Update all locales with the latest Transifex translations

Transifex

.rubocop_manual_todo.yml

@@ -42,7 +42,6 @@ Layout/LineLength:
   - app/helpers/angular_form_helper.rb
   - app/helpers/checkout_helper.rb
   - app/helpers/enterprises_helper.rb
-  - app/helpers/injection_helper.rb
   - app/helpers/markdown_helper.rb
   - app/helpers/order_cycles_helper.rb
   - app/helpers/spree/orders_helper.rb
@@ -62,11 +61,10 @@ Layout/LineLength:
   - app/models/product_import/unit_converter.rb
   - app/models/proxy_order.rb
   - app/models/schedule.rb
-  - app/models/spree/app_configuration_decorator.rb
+  - app/models/spree/app_configuration.rb
   - app/models/spree/gateway/stripe_connect.rb
   - app/models/spree/image.rb
-  - app/models/spree/line_item_decorator.rb
-  - app/models/spree/order_decorator.rb
+  - app/models/spree/order.rb
   - app/models/spree/payment_method.rb
   - app/models/spree/product_decorator.rb
   - app/models/spree/user.rb
@@ -75,6 +73,7 @@ Layout/LineLength:
   - app/models/variant_override_set.rb
   - app/serializers/api/admin/subscription_line_item_serializer.rb
   - app/services/cart_service.rb
+  - app/services/checkout/post_checkout_actions.rb
   - app/services/default_stock_location.rb
   - app/services/embedded_page_service.rb
   - app/services/order_cycle_form.rb
@@ -88,6 +87,7 @@ Layout/LineLength:
   - Gemfile
   - lib/discourse/single_sign_on.rb
   - lib/open_food_network/available_payment_method_filter.rb
+  - lib/open_food_network/bulk_coop_report.rb
   - lib/open_food_network/customers_report.rb
   - lib/open_food_network/enterprise_fee_applicator.rb
   - lib/open_food_network/enterprise_fee_calculator.rb
@@ -101,7 +101,6 @@ Layout/LineLength:
   - lib/open_food_network/scope_variants_for_search.rb
   - lib/open_food_network/xero_invoices_report.rb
   - lib/spree/localized_number.rb
-  - lib/spree/product_filters.rb
   - lib/tasks/data.rake
   - lib/tasks/enterprises.rake
   - spec/controllers/admin/bulk_line_items_controller_spec.rb
@@ -263,12 +262,17 @@ Layout/LineLength:
   - spec/models/spree/adjustment_spec.rb
   - spec/models/spree/classification_spec.rb
   - spec/models/spree/gateway/stripe_connect_spec.rb
+  - spec/models/spree/inventory_unit_spec.rb
   - spec/models/spree/line_item_spec.rb
+  - spec/models/spree/order/checkout_spec.rb
+  - spec/models/spree/order_inventory_spec.rb
   - spec/models/spree/order_spec.rb
+  - spec/models/spree/order/state_machine_spec.rb
   - spec/models/spree/payment_method_spec.rb
   - spec/models/spree/payment_spec.rb
   - spec/models/spree/product_set_spec.rb
   - spec/models/spree/product_spec.rb
+  - spec/models/spree/return_authorization_spec.rb
   - spec/models/spree/shipping_method_spec.rb
   - spec/models/spree/stock_item_spec.rb
   - spec/models/spree/taxon_spec.rb
@@ -298,6 +302,7 @@ Layout/LineLength:
   - spec/serializers/api/order_serializer_spec.rb
   - spec/services/cart_service_spec.rb
   - spec/services/checkout/form_data_adapter_spec.rb
+  - spec/services/checkout/post_checkout_actions_spec.rb
   - spec/services/embedded_page_service_spec.rb
   - spec/services/exchange_products_renderer_spec.rb
   - spec/services/order_cycle_distributed_products_spec.rb
@@ -384,17 +389,22 @@ Metrics/AbcSize:
   - app/models/proxy_order.rb
   - app/models/spree/ability.rb
   - app/models/spree/address.rb
-  - app/models/spree/line_item_decorator.rb
+  - app/models/spree/line_item.rb
   - app/models/spree/order/checkout.rb
-  - app/models/spree/order_decorator.rb
+  - app/models/spree/order_contents.rb
+  - app/models/spree/order_inventory.rb
+  - app/models/spree/order.rb
   - app/models/spree/payment/processing.rb
   - app/models/spree/payment.rb
+  - app/models/spree/preference.rb
+  - app/models/spree/preferences/preferable_class_methods.rb
+  - app/models/spree/preferences/preferable.rb
   - app/models/spree/product_decorator.rb
+  - app/models/spree/return_authorization.rb
   - app/models/spree/shipment.rb
   - app/models/spree/taxon.rb
   - app/models/spree/tax_rate.rb
   - app/models/spree/zone.rb
-  - app/serializers/api/admin/enterprise_serializer.rb
   - app/serializers/api/product_serializer.rb
   - app/serializers/api/variant_serializer.rb
   - app/services/cart_service.rb
@@ -452,6 +462,7 @@ Metrics/AbcSize:
   - spec/services/order_checkout_restart_spec.rb
   - spec/support/i18n_translations_checker.rb
   - spec/support/performance_helper.rb
+  - spec/support/request/web_helper.rb
 
 Metrics/BlockLength:
   Max: 25
@@ -516,7 +527,11 @@ Metrics/CyclomaticComplexity:
   - app/models/spree/order/checkout.rb
   - app/models/spree/payment_method.rb
   - app/models/spree/payment.rb
+  - app/models/spree/preference.rb
+  - app/models/spree/preferences/preferable.rb
+  - app/models/spree/preferences/preferable_class_methods.rb
   - app/models/spree/product_decorator.rb
+  - app/models/spree/return_authorization.rb
   - app/models/spree/zone.rb
   - app/models/variant_override_set.rb
   - app/services/cart_service.rb
@@ -550,7 +565,10 @@ Metrics/PerceivedComplexity:
   - app/models/spree/order/checkout.rb
   - app/models/spree/payment_method.rb
   - app/models/spree/payment.rb
+  - app/models/spree/preferences/preferable.rb
+  - app/models/spree/preferences/preferable_class_methods.rb
   - app/models/spree/product_decorator.rb
+  - app/models/spree/return_authorization.rb
   - app/models/spree/zone.rb
   - app/models/variant_override_set.rb
   - app/services/cart_service.rb
@@ -576,7 +594,7 @@ Metrics/PerceivedComplexity:
   - app/models/spree/ability.rb
   - app/models/spree/address.rb
   - app/models/spree/order/checkout.rb
-  - app/models/spree/order_decorator.rb
+  - app/models/spree/order.rb
   - app/models/spree/product_decorator.rb
   - app/models/spree/zone.rb
   - engines/order_management/app/services/order_management/reports/bulk_coop/bulk_coop_report.rb
@@ -594,61 +612,6 @@ Metrics/PerceivedComplexity:
 Metrics/MethodLength:
   Max: 10
   Exclude:
-  - app/controllers/admin/enterprise_fees_controller.rb
-  - app/controllers/admin/enterprises_controller.rb
-  - app/controllers/spree/admin/taxons_controller.rb
-  - app/controllers/spree/orders_controller.rb
-  - app/helpers/checkout_helper.rb
-  - app/helpers/order_cycles_helper.rb
-  - app/helpers/spree/admin/base_helper.rb
-  - app/helpers/spree/admin/navigation_helper.rb
-  - app/models/enterprise.rb
-  - app/models/enterprise_relationship.rb
-  - app/models/spree/ability.rb
-  - app/models/spree/address.rb
-  - app/models/spree/order/checkout.rb
-  - app/models/spree/payment_method.rb
-  - app/models/spree/payment.rb
-  - app/models/spree/product_decorator.rb
-  - app/models/spree/zone.rb
-  - app/models/variant_override_set.rb
-  - app/services/cart_service.rb
-  - engines/order_management/app/services/order_management/reports/bulk_coop/bulk_coop_report.rb
-  - engines/order_management/app/services/order_management/stock/estimator.rb
-  - lib/active_merchant/billing/gateways/stripe_payment_intents.rb
-  - lib/discourse/single_sign_on.rb
-  - lib/open_food_network/enterprise_issue_validator.rb
-  - lib/spree/core/calculated_adjustments.rb
-  - lib/spree/core/controller_helpers/order.rb
-  - lib/spree/core/controller_helpers/respond_with.rb
-  - lib/spree/core/controller_helpers/ssl.rb
-  - lib/spree/localized_number.rb
-  - spec/models/product_importer_spec.rb
-  - app/controllers/admin/enterprises_controller.rb
-  - app/controllers/api/variants_controller.rb
-  - app/controllers/spree/admin/taxons_controller.rb
-  - app/controllers/spree/orders_controller.rb
-  - app/helpers/checkout_helper.rb
-  - app/helpers/order_cycles_helper.rb
-  - app/helpers/spree/admin/navigation_helper.rb
-  - app/models/enterprise_relationship.rb
-  - app/models/spree/ability.rb
-  - app/models/spree/address.rb
-  - app/models/spree/order/checkout.rb
-  - app/models/spree/order_decorator.rb
-  - app/models/spree/product_decorator.rb
-  - app/models/spree/zone.rb
-  - engines/order_management/app/services/order_management/reports/bulk_coop/bulk_coop_report.rb
-  - engines/order_management/app/services/order_management/stock/estimator.rb
-  - lib/active_merchant/billing/gateways/stripe_payment_intents.rb
-  - lib/discourse/single_sign_on.rb
-  - lib/open_food_network/enterprise_issue_validator.rb
-  - lib/spree/core/calculated_adjustments.rb
-  - lib/spree/core/controller_helpers/order.rb
-  - lib/spree/core/controller_helpers/respond_with.rb
-  - lib/spree/core/controller_helpers/ssl.rb
-  - lib/spree/localized_number.rb
-  - spec/models/product_importer_spec.rb
   - app/controllers/admin/contents_controller.rb
   - app/controllers/admin/customers_controller.rb
   - app/controllers/admin/enterprise_fees_controller.rb
@@ -698,10 +661,17 @@ Metrics/MethodLength:
   - app/models/spree/address.rb
   - app/models/spree/credit_card.rb
   - app/models/spree/order/checkout.rb
-  - app/models/spree/order_decorator.rb
+  - app/models/spree/order_contents.rb
+  - app/models/spree/order_inventory.rb
+  - app/models/spree/order.rb
   - app/models/spree/payment_method.rb
   - app/models/spree/payment/processing.rb
+  - app/models/spree/preference.rb
+  - app/models/spree/preferences/preferable_class_methods.rb
+  - app/models/spree/preferences/preferable.rb
+  - app/models/spree/preferences/store.rb
   - app/models/spree/product_decorator.rb
+  - app/models/spree/return_authorization.rb
   - app/models/spree/shipment.rb
   - app/models/spree/taxon.rb
   - app/models/spree/tax_rate.rb
@@ -782,6 +752,8 @@ Metrics/ClassLength:
   - app/models/spree/ability.rb
   - app/models/spree/address.rb
   - app/models/spree/credit_card.rb
+  - app/models/spree/line_item.rb
+  - app/models/spree/order.rb
   - app/models/spree/payment.rb
   - app/models/spree/shipment.rb
   - app/models/spree/user.rb
@@ -811,40 +783,18 @@ Metrics/ModuleLength:
   - app/helpers/spree/admin/navigation_helper.rb
   - app/models/spree/order/checkout.rb
   - app/models/spree/payment/processing.rb
-  - engines/order_management/spec/services/order_management/order/updater_spec.rb
-  - engines/order_management/spec/services/order_management/stock/package_spec.rb
-  - engines/order_management/spec/services/order_management/subscriptions/estimator_spec.rb
-  - engines/order_management/spec/services/order_management/subscriptions/form_spec.rb
   - engines/order_management/spec/services/order_management/subscriptions/proxy_order_syncer_spec.rb
-  - engines/order_management/spec/services/order_management/subscriptions/summarizer_spec.rb
   - engines/order_management/spec/services/order_management/subscriptions/validator_spec.rb
-  - engines/order_management/spec/services/order_management/subscriptions/variants_list_spec.rb
   - lib/open_food_network/column_preference_defaults.rb
   - spec/controllers/admin/order_cycles_controller_spec.rb
-  - spec/controllers/api/order_cycles_controller_spec.rb
   - spec/controllers/api/orders_controller_spec.rb
-  - spec/controllers/spree/admin/payment_methods_controller_spec.rb
-  - spec/lib/open_food_network/address_finder_spec.rb
-  - spec/lib/open_food_network/customers_report_spec.rb
-  - spec/lib/open_food_network/enterprise_fee_calculator_spec.rb
   - spec/lib/open_food_network/order_cycle_form_applicator_spec.rb
   - spec/lib/open_food_network/order_cycle_permissions_spec.rb
-  - spec/lib/open_food_network/order_grouper_spec.rb
-  - spec/lib/open_food_network/packing_report_spec.rb
-  - spec/lib/open_food_network/permissions_spec.rb
-  - spec/lib/open_food_network/products_and_inventory_report_spec.rb
-  - spec/lib/open_food_network/scope_variant_to_hub_spec.rb
-  - spec/lib/open_food_network/tag_rule_applicator_spec.rb
-  - spec/lib/open_food_network/user_balance_calculator_spec.rb
-  - spec/lib/open_food_network/users_and_enterprises_report_spec.rb
   - spec/models/spree/adjustment_spec.rb
   - spec/models/spree/credit_card_spec.rb
   - spec/models/spree/line_item_spec.rb
   - spec/models/spree/product_spec.rb
-  - spec/models/spree/shipping_method_spec.rb
   - spec/models/spree/variant_spec.rb
-  - spec/services/permissions/order_spec.rb
-  - spec/services/variant_units/option_value_namer_spec.rb
 
 Metrics/ParameterLists:
   Max: 5
@@ -853,3 +803,9 @@ Metrics/ParameterLists:
   - app/models/product_import/entry_processor.rb
   - lib/open_food_network/xero_invoices_report.rb
   - spec/features/admin/reports_spec.rb
+
+Lint/UselessAssignment:
+  Exclude:
+  - 'spec/**/*'
+  - 'app/models/spree/taxon.rb'
+  - 'lib/spree/core/controller_helpers/common.rb'

.rubocop_specs.yml

@@ -0,0 +1,7 @@
+inherit_from:
+  - .rubocop.yml
+
+# This rubocop config file is only used for specs
+# Here we allow specs to be 300 lines long
+Metrics/ModuleLength:
+  Max: 300

.rubocop_todo.yml

@@ -1,144 +1,11 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config --exclude-limit 1400`
-# on 2020-10-14 09:49:36 +0100 using RuboCop version 0.81.0.
+# on 2020-10-30 17:18:53 +0000 using RuboCop version 0.81.0.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
 # versions of RuboCop, may require this file to be generated again.
 
-# Offense count: 3
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle, IndentationWidth.
-# SupportedStyles: with_first_argument, with_fixed_indentation
-Layout/ArgumentAlignment:
-  Exclude:
-    - 'spec/models/spree/address_spec.rb'
-    - 'spec/models/spree/order/checkout_spec.rb'
-
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyleAlignWith.
-# SupportedStylesAlignWith: either, start_of_block, start_of_line
-Layout/BlockAlignment:
-  Exclude:
-    - 'spec/models/spree/order/checkout_spec.rb'
-
-# Offense count: 3
-# Cop supports --auto-correct.
-Layout/EmptyLines:
-  Exclude:
-    - 'spec/features/admin/variants_spec.rb'
-    - 'spec/models/spree/payment_spec.rb'
-
-# Offense count: 4
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle.
-# SupportedStyles: empty_lines, no_empty_lines
-Layout/EmptyLinesAroundBlockBody:
-  Exclude:
-    - 'spec/models/spree/payment_spec.rb'
-    - 'spec/models/spree/zone_spec.rb'
-
-# Offense count: 3
-# Cop supports --auto-correct.
-# Configuration parameters: AllowForAlignment, AllowBeforeTrailingComments, ForceEqualSignAlignment.
-Layout/ExtraSpacing:
-  Exclude:
-    - 'spec/models/spree/payment_spec.rb'
-    - 'spec/requests/api/orders_spec.rb'
-
-# Offense count: 2
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle, IndentationWidth.
-# SupportedStyles: special_inside_parentheses, consistent, align_brackets
-Layout/FirstArrayElementIndentation:
-  Exclude:
-    - 'spec/views/spree/admin/payment_methods/index.html.haml_spec.rb'
-
-# Offense count: 3
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle, IndentationWidth.
-# SupportedStyles: special_inside_parentheses, consistent, align_braces
-Layout/FirstHashElementIndentation:
-  Exclude:
-    - 'spec/models/spree/payment_spec.rb'
-    - 'spec/swagger_helper.rb'
-
-# Offense count: 8
-# Cop supports --auto-correct.
-# Configuration parameters: AllowMultipleStyles, EnforcedHashRocketStyle, EnforcedColonStyle, EnforcedLastArgumentHashStyle.
-# SupportedHashRocketStyles: key, separator, table
-# SupportedColonStyles: key, separator, table
-# SupportedLastArgumentHashStyles: always_inspect, always_ignore, ignore_implicit, ignore_explicit
-Layout/HashAlignment:
-  Exclude:
-    - 'spec/lib/open_food_network/packing_report_spec.rb'
-    - 'spec/models/spree/payment_spec.rb'
-
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle.
-# SupportedStyles: normal, indented_internal_methods
-Layout/IndentationConsistency:
-  Exclude:
-    - 'spec/models/spree/order/checkout_spec.rb'
-
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle.
-# SupportedStyles: symmetrical, new_line, same_line
-Layout/MultilineHashBraceLayout:
-  Exclude:
-    - 'spec/models/spree/payment_spec.rb'
-
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: AllowForAlignment, EnforcedStyleForExponentOperator.
-# SupportedStylesForExponentOperator: space, no_space
-Layout/SpaceAroundOperators:
-  Exclude:
-    - 'spec/models/spree/payment_spec.rb'
-
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle, EnforcedStyleForEmptyBraces, SpaceBeforeBlockParameters.
-# SupportedStyles: space, no_space
-# SupportedStylesForEmptyBraces: space, no_space
-Layout/SpaceInsideBlockBraces:
-  Exclude:
-    - 'spec/models/spree/payment_spec.rb'
-
-# Offense count: 11
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle, EnforcedStyleForEmptyBraces.
-# SupportedStyles: space, no_space, compact
-# SupportedStylesForEmptyBraces: space, no_space
-Layout/SpaceInsideHashLiteralBraces:
-  Exclude:
-    - 'spec/models/spree/payment_spec.rb'
-    - 'spec/requests/api/orders_spec.rb'
-    - 'spec/services/checkout/form_data_adapter_spec.rb'
-    - 'spec/services/user_locale_setter_spec.rb'
-
-# Offense count: 3
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle.
-# SupportedStyles: final_newline, final_blank_line
-Layout/TrailingEmptyLines:
-  Exclude:
-    - 'spec/factories.rb'
-    - 'spec/factories/address_factory.rb'
-    - 'spec/support/request/stripe_helper.rb'
-
-# Offense count: 6
-# Cop supports --auto-correct.
-# Configuration parameters: AllowInHeredoc.
-Layout/TrailingWhitespace:
-  Exclude:
-    - 'spec/features/consumer/shopping/shopping_spec.rb'
-    - 'spec/lib/open_food_network/orders_and_fulfillments_report/customer_totals_report_spec.rb'
-    - 'spec/requests/api/orders_spec.rb'
-
 # Offense count: 2
 Lint/DuplicateMethods:
   Exclude:
@@ -152,20 +19,6 @@ Lint/IneffectiveAccessModifier:
     - 'app/services/mail_configuration.rb'
     - 'lib/open_food_network/feature_toggle.rb'
 
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: IgnoreEmptyBlocks, AllowUnusedKeywordArguments.
-Lint/UnusedBlockArgument:
-  Exclude:
-    - 'spec/factories/stock_location_factory.rb'
-
-# Offense count: 4
-# Cop supports --auto-correct.
-# Configuration parameters: AllowUnusedKeywordArguments, IgnoreEmptyMethods, IgnoreNotImplementedMethods.
-Lint/UnusedMethodArgument:
-  Exclude:
-    - 'spec/views/spree/admin/payment_methods/index.html.haml_spec.rb'
-
 # Offense count: 3
 # Configuration parameters: ContextCreatingMethods, MethodCreatingMethods.
 Lint/UselessAccessModifier:
@@ -174,19 +27,20 @@ Lint/UselessAccessModifier:
     - 'app/services/mail_configuration.rb'
     - 'lib/open_food_network/feature_toggle.rb'
 
-# Offense count: 1
+# Offense count: 2
 Lint/UselessAssignment:
   Exclude:
     - 'spec/**/*'
-    - 'lib/spree/core/controller_helpers/common.rb'
     - 'app/models/spree/taxon.rb'
+    - 'lib/spree/core/controller_helpers/common.rb'
 
-# Offense count: 9
+# Offense count: 10
 Naming/AccessorMethodName:
   Exclude:
     - 'app/controllers/spree/admin/taxonomies_controller.rb'
     - 'app/models/spree/adjustment.rb'
-    - 'app/models/spree/order_decorator.rb'
+    - 'app/models/spree/order.rb'
+    - 'app/services/checkout/post_checkout_actions.rb'
     - 'lib/spree/core/controller_helpers/common.rb'
     - 'spec/support/request/shop_workflow.rb'
     - 'spec/support/request/web_helper.rb'
@@ -206,7 +60,7 @@ Naming/MemoizedInstanceVariableName:
     - 'app/mailers/producer_mailer.rb'
     - 'lib/open_food_network/address_finder.rb'
 
-# Offense count: 20
+# Offense count: 24
 # Configuration parameters: NamePrefix, ForbiddenPrefixes, AllowedMethods, MethodDefinitionMacros.
 # NamePrefix: is_, has_, have_
 # ForbiddenPrefixes: is_, has_, have_
@@ -220,10 +74,11 @@ Naming/PredicateName:
     - 'app/models/order_cycle.rb'
     - 'app/models/spree/adjustment.rb'
     - 'app/models/spree/credit_card.rb'
-    - 'app/models/spree/line_item_decorator.rb'
-    - 'app/models/spree/order_decorator.rb'
+    - 'app/models/spree/line_item.rb'
+    - 'app/models/spree/order.rb'
     - 'app/models/spree/payment_method.rb'
     - 'app/models/spree/preferences/file_configuration.rb'
+    - 'app/models/spree/preferences/preferable.rb'
     - 'app/models/spree/shipping_method.rb'
     - 'app/models/spree/user.rb'
     - 'lib/open_food_network/customers_report.rb'
@@ -262,21 +117,14 @@ Rails/Date:
     - 'app/models/order_cycle.rb'
     - 'app/models/spree/credit_card.rb'
 
-# Offense count: 1
+# Offense count: 2
 # Cop supports --auto-correct.
 # Configuration parameters: EnforceForPrefixed.
 Rails/Delegate:
   Exclude:
+    - 'app/models/spree/line_item.rb'
     - 'engines/order_management/app/services/order_management/reports/bulk_coop/renderers/html_renderer.rb'
 
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: Whitelist.
-# Whitelist: find_by_sql
-Rails/DynamicFindBy:
-  Exclude:
-    - 'spec/factories/state_factory.rb'
-
 # Offense count: 16
 # Configuration parameters: EnforcedStyle.
 # SupportedStyles: slashes, arguments
@@ -307,13 +155,12 @@ Rails/FindBy:
     - 'app/models/product_import/spreadsheet_data.rb'
     - 'app/models/spree/user.rb'
 
-# Offense count: 2
+# Offense count: 1
 # Cop supports --auto-correct.
 # Configuration parameters: Include.
 # Include: app/models/**/*.rb
 Rails/FindEach:
   Exclude:
-    - 'app/models/spree/order_decorator.rb'
     - 'app/models/spree/shipment.rb'
 
 # Offense count: 9
@@ -324,13 +171,13 @@ Rails/HasAndBelongsToMany:
     - 'app/models/concerns/payment_method_distributors.rb'
     - 'app/models/enterprise.rb'
     - 'app/models/enterprise_group.rb'
-    - 'app/models/spree/line_item_decorator.rb'
+    - 'app/models/spree/line_item.rb'
     - 'app/models/spree/role.rb'
     - 'app/models/spree/shipping_method.rb'
     - 'app/models/spree/user.rb'
     - 'app/models/spree/zone.rb'
 
-# Offense count: 35
+# Offense count: 38
 # Configuration parameters: Include.
 # Include: app/models/**/*.rb
 Rails/HasManyOrHasOneDependent:
@@ -341,9 +188,10 @@ Rails/HasManyOrHasOneDependent:
     - 'app/models/spree/address.rb'
     - 'app/models/spree/adjustment.rb'
     - 'app/models/spree/credit_card.rb'
-    - 'app/models/spree/order_decorator.rb'
+    - 'app/models/spree/order.rb'
     - 'app/models/spree/payment_method.rb'
     - 'app/models/spree/property.rb'
+    - 'app/models/spree/return_authorization.rb'
     - 'app/models/spree/shipment.rb'
     - 'app/models/spree/shipping_category.rb'
     - 'app/models/spree/shipping_method.rb'
@@ -392,7 +240,7 @@ Rails/LexicallyScopedActionFilter:
     - 'app/controllers/spree/users_controller.rb'
     - 'app/controllers/user_passwords_controller.rb'
 
-# Offense count: 13
+# Offense count: 14
 Rails/OutputSafety:
   Exclude:
     - 'app/controllers/spree/admin/reports_controller.rb'
@@ -415,15 +263,16 @@ Rails/RakeEnvironment:
     - 'lib/capistrano/tasks/**/*.rake'
     - 'lib/tasks/specs.rake'
 
-# Offense count: 9
+# Offense count: 11
 Rails/ReflectionClassName:
   Exclude:
     - 'app/models/customer.rb'
     - 'app/models/distributor_shipping_method.rb'
     - 'app/models/enterprise_role.rb'
+    - 'app/models/spree/order.rb'
     - 'app/models/subscription.rb'
 
-# Offense count: 243
+# Offense count: 247
 # Configuration parameters: Blacklist, Whitelist.
 # Blacklist: decrement!, decrement_counter, increment!, increment_counter, toggle!, touch, update_all, update_attribute, update_column, update_columns, update_counters
 Rails/SkipsModelValidations:
@@ -442,7 +291,8 @@ Rails/SkipsModelValidations:
     - 'app/models/spree/address.rb'
     - 'app/models/spree/adjustment.rb'
     - 'app/models/spree/credit_card.rb'
-    - 'app/models/spree/order_decorator.rb'
+    - 'app/models/spree/inventory_unit.rb'
+    - 'app/models/spree/order.rb'
     - 'app/models/spree/payment.rb'
     - 'app/models/spree/shipment.rb'
     - 'app/models/spree/shipping_method.rb'
@@ -480,7 +330,6 @@ Rails/SkipsModelValidations:
     - 'spec/features/admin/order_cycles/complex_editing_spec.rb'
     - 'spec/features/admin/order_cycles/simple_spec.rb'
     - 'spec/features/admin/order_spec.rb'
-    - 'spec/features/admin/payments_spec.rb'
     - 'spec/features/admin/reports_spec.rb'
     - 'spec/features/consumer/caching/shops_caching_spec.rb'
     - 'spec/features/consumer/shopping/checkout_spec.rb'
@@ -501,6 +350,7 @@ Rails/SkipsModelValidations:
     - 'spec/models/spree/adjustment_spec.rb'
     - 'spec/models/spree/asset_spec.rb'
     - 'spec/models/spree/line_item_spec.rb'
+    - 'spec/models/spree/order_inventory_spec.rb'
     - 'spec/models/spree/order_spec.rb'
     - 'spec/models/spree/tax_category_spec.rb'
     - 'spec/models/spree/variant_spec.rb'
@@ -533,7 +383,7 @@ Rails/UniqueValidationWithoutIndex:
 # Environments: development, test, production
 Rails/UnknownEnv:
   Exclude:
-    - 'app/models/spree/app_configuration_decorator.rb'
+    - 'app/models/spree/app_configuration.rb'
     - 'lib/spree/core/controller_helpers/ssl.rb'
 
 # Offense count: 2
@@ -542,7 +392,7 @@ Style/CaseEquality:
     - 'app/helpers/angular_form_helper.rb'
     - 'spec/models/spree/payment_spec.rb'
 
-# Offense count: 64
+# Offense count: 29
 # Cop supports --auto-correct.
 # Configuration parameters: AutoCorrect, EnforcedStyle.
 # SupportedStyles: nested, compact
@@ -557,40 +407,6 @@ Style/ClassAndModuleChildren:
     - 'app/models/tag_rule/filter_payment_methods.rb'
     - 'app/models/tag_rule/filter_shipping_methods.rb'
     - 'app/serializers/api/address_serializer.rb'
-    - 'app/serializers/api/admin/basic_enterprise_fee_serializer.rb'
-    - 'app/serializers/api/admin/basic_enterprise_serializer.rb'
-    - 'app/serializers/api/admin/basic_order_cycle_serializer.rb'
-    - 'app/serializers/api/admin/calculator/flat_percent_item_total_serializer.rb'
-    - 'app/serializers/api/admin/calculator_serializer.rb'
-    - 'app/serializers/api/admin/column_preference_serializer.rb'
-    - 'app/serializers/api/admin/customer_serializer.rb'
-    - 'app/serializers/api/admin/enterprise_fee_serializer.rb'
-    - 'app/serializers/api/admin/enterprise_relationship_permission_serializer.rb'
-    - 'app/serializers/api/admin/enterprise_relationship_serializer.rb'
-    - 'app/serializers/api/admin/enterprise_role_serializer.rb'
-    - 'app/serializers/api/admin/enterprise_serializer.rb'
-    - 'app/serializers/api/admin/exchange_serializer.rb'
-    - 'app/serializers/api/admin/for_order_cycle/enterprise_serializer.rb'
-    - 'app/serializers/api/admin/for_order_cycle/supplied_product_serializer.rb'
-    - 'app/serializers/api/admin/id_name_serializer.rb'
-    - 'app/serializers/api/admin/id_serializer.rb'
-    - 'app/serializers/api/admin/index_enterprise_serializer.rb'
-    - 'app/serializers/api/admin/inventory_item_serializer.rb'
-    - 'app/serializers/api/admin/line_item_serializer.rb'
-    - 'app/serializers/api/admin/order_cycle_serializer.rb'
-    - 'app/serializers/api/admin/order_serializer.rb'
-    - 'app/serializers/api/admin/payment_method/base_serializer.rb'
-    - 'app/serializers/api/admin/payment_method/stripe_serializer.rb'
-    - 'app/serializers/api/admin/product_serializer.rb'
-    - 'app/serializers/api/admin/shipping_method_serializer.rb'
-    - 'app/serializers/api/admin/tag_rule_serializer.rb'
-    - 'app/serializers/api/admin/tax_category_serializer.rb'
-    - 'app/serializers/api/admin/taxon_serializer.rb'
-    - 'app/serializers/api/admin/units_product_serializer.rb'
-    - 'app/serializers/api/admin/units_variant_serializer.rb'
-    - 'app/serializers/api/admin/user_serializer.rb'
-    - 'app/serializers/api/admin/variant_override_serializer.rb'
-    - 'app/serializers/api/admin/variant_serializer.rb'
     - 'app/serializers/api/country_serializer.rb'
     - 'app/serializers/api/currency_config_serializer.rb'
     - 'app/serializers/api/current_order_serializer.rb'
@@ -624,7 +440,7 @@ Style/FormatStringToken:
     - 'lib/open_food_network/sales_tax_report.rb'
     - 'spec/features/admin/bulk_order_management_spec.rb'
 
-# Offense count: 818
+# Offense count: 765
 # Cop supports --auto-correct.
 # Configuration parameters: EnforcedStyle.
 # SupportedStyles: always, always_true, never
@@ -816,13 +632,10 @@ Style/FrozenStringLiteralComment:
     - 'app/models/product_import/unit_converter.rb'
     - 'app/models/proxy_order.rb'
     - 'app/models/schedule.rb'
-    - 'app/models/spree/app_configuration_decorator.rb'
     - 'app/models/spree/gateway/migs.rb'
     - 'app/models/spree/gateway/pin.rb'
     - 'app/models/spree/gateway/stripe_connect.rb'
-    - 'app/models/spree/line_item_decorator.rb'
     - 'app/models/spree/option_type_decorator.rb'
-    - 'app/models/spree/order_decorator.rb'
     - 'app/models/spree/preferences/file_configuration.rb'
     - 'app/models/spree/price_decorator.rb'
     - 'app/models/spree/product_decorator.rb'
@@ -845,48 +658,6 @@ Style/FrozenStringLiteralComment:
     - 'app/models/variant_override_set.rb'
     - 'app/serializers/api/address_serializer.rb'
     - 'app/serializers/api/adjustment_serializer.rb'
-    - 'app/serializers/api/admin/basic_enterprise_fee_serializer.rb'
-    - 'app/serializers/api/admin/basic_enterprise_serializer.rb'
-    - 'app/serializers/api/admin/basic_order_cycle_serializer.rb'
-    - 'app/serializers/api/admin/calculator/flat_percent_item_total_serializer.rb'
-    - 'app/serializers/api/admin/calculator_serializer.rb'
-    - 'app/serializers/api/admin/column_preference_serializer.rb'
-    - 'app/serializers/api/admin/customer_serializer.rb'
-    - 'app/serializers/api/admin/enterprise_fee_serializer.rb'
-    - 'app/serializers/api/admin/enterprise_relationship_permission_serializer.rb'
-    - 'app/serializers/api/admin/enterprise_relationship_serializer.rb'
-    - 'app/serializers/api/admin/enterprise_role_serializer.rb'
-    - 'app/serializers/api/admin/enterprise_serializer.rb'
-    - 'app/serializers/api/admin/exchange_serializer.rb'
-    - 'app/serializers/api/admin/for_order_cycle/enterprise_serializer.rb'
-    - 'app/serializers/api/admin/for_order_cycle/supplied_product_serializer.rb'
-    - 'app/serializers/api/admin/id_email_serializer.rb'
-    - 'app/serializers/api/admin/id_name_serializer.rb'
-    - 'app/serializers/api/admin/id_serializer.rb'
-    - 'app/serializers/api/admin/index_enterprise_serializer.rb'
-    - 'app/serializers/api/admin/index_order_cycle_serializer.rb'
-    - 'app/serializers/api/admin/inventory_item_serializer.rb'
-    - 'app/serializers/api/admin/line_item_serializer.rb'
-    - 'app/serializers/api/admin/order_cycle_serializer.rb'
-    - 'app/serializers/api/admin/order_serializer.rb'
-    - 'app/serializers/api/admin/payment_method/base_serializer.rb'
-    - 'app/serializers/api/admin/payment_method/stripe_serializer.rb'
-    - 'app/serializers/api/admin/payment_method_serializer.rb'
-    - 'app/serializers/api/admin/product_serializer.rb'
-    - 'app/serializers/api/admin/proxy_order_serializer.rb'
-    - 'app/serializers/api/admin/schedule_serializer.rb'
-    - 'app/serializers/api/admin/shipping_method_serializer.rb'
-    - 'app/serializers/api/admin/subscription_customer_serializer.rb'
-    - 'app/serializers/api/admin/subscription_line_item_serializer.rb'
-    - 'app/serializers/api/admin/subscription_serializer.rb'
-    - 'app/serializers/api/admin/tag_rule_serializer.rb'
-    - 'app/serializers/api/admin/tax_category_serializer.rb'
-    - 'app/serializers/api/admin/taxon_serializer.rb'
-    - 'app/serializers/api/admin/units_product_serializer.rb'
-    - 'app/serializers/api/admin/units_variant_serializer.rb'
-    - 'app/serializers/api/admin/user_serializer.rb'
-    - 'app/serializers/api/admin/variant_override_serializer.rb'
-    - 'app/serializers/api/admin/variant_serializer.rb'
     - 'app/serializers/api/cached_enterprise_serializer.rb'
     - 'app/serializers/api/country_serializer.rb'
     - 'app/serializers/api/credit_card_serializer.rb'
@@ -1053,7 +824,6 @@ Style/FrozenStringLiteralComment:
     - 'lib/spree/authentication_helpers.rb'
     - 'lib/spree/localized_number.rb'
     - 'lib/spree/money_decorator.rb'
-    - 'lib/spree/product_filters.rb'
     - 'lib/stripe/account_connector.rb'
     - 'lib/stripe/profile_storer.rb'
     - 'lib/stripe/webhook_handler.rb'
@@ -1121,6 +891,7 @@ Style/FrozenStringLiteralComment:
     - 'spec/controllers/shops_controller_spec.rb'
     - 'spec/controllers/spree/admin/adjustments_controller_spec.rb'
     - 'spec/controllers/spree/admin/base_controller_spec.rb'
+    - 'spec/controllers/spree/admin/general_settings_controller_spec.rb'
     - 'spec/controllers/spree/admin/invoices_controller_spec.rb'
     - 'spec/controllers/spree/admin/mail_methods_controller_spec.rb'
     - 'spec/controllers/spree/admin/orders/customer_details_controller_spec.rb'
@@ -1274,7 +1045,6 @@ Style/FrozenStringLiteralComment:
     - 'spec/lib/open_food_network/users_and_enterprises_report_spec.rb'
     - 'spec/lib/open_food_network/xero_invoices_report_spec.rb'
     - 'spec/lib/spree/localized_number_spec.rb'
-    - 'spec/lib/spree/product_filters_spec.rb'
     - 'spec/lib/stripe/account_connector_spec.rb'
     - 'spec/lib/stripe/webhook_handler_spec.rb'
     - 'spec/lib/tasks/enterprises_rake_spec.rb'
@@ -1318,7 +1088,6 @@ Style/FrozenStringLiteralComment:
     - 'spec/models/spree/classification_spec.rb'
     - 'spec/models/spree/credit_card_spec.rb'
     - 'spec/models/spree/gateway/stripe_connect_spec.rb'
-    - 'spec/models/spree/image_spec.rb'
     - 'spec/models/spree/line_item_spec.rb'
     - 'spec/models/spree/order/checkout_spec.rb'
     - 'spec/models/spree/order_spec.rb'
@@ -1425,7 +1194,6 @@ Style/FrozenStringLiteralComment:
     - 'spec/support/products_helper.rb'
     - 'spec/support/request/admin_helper.rb'
     - 'spec/support/request/authentication_helper.rb'
-    - 'spec/support/request/checkout_helper.rb'
     - 'spec/support/request/cookie_helper.rb'
     - 'spec/support/request/distribution_helper.rb'
     - 'spec/support/request/menu_helper.rb'
@@ -1444,7 +1212,7 @@ Style/FrozenStringLiteralComment:
     - 'spec/views/spree/admin/payment_methods/index.html.haml_spec.rb'
     - 'spec/views/spree/admin/shared/_order_links.html.haml_spec.rb'
 
-# Offense count: 48
+# Offense count: 44
 # Configuration parameters: MinBodyLength.
 Style/GuardClause:
   Exclude:
@@ -1460,7 +1228,7 @@ Style/GuardClause:
     - 'app/models/enterprise.rb'
     - 'app/models/enterprise_group.rb'
     - 'app/models/producer_property.rb'
-    - 'app/models/spree/order_decorator.rb'
+    - 'app/models/spree/preferences/preferable_class_methods.rb'
     - 'app/models/spree/price_decorator.rb'
     - 'app/models/spree/product_decorator.rb'
     - 'app/services/order_syncer.rb'
@@ -1469,25 +1237,15 @@ Style/GuardClause:
     - 'lib/open_food_network/order_cycle_form_applicator.rb'
     - 'lib/open_food_network/rack_request_blocker.rb'
     - 'spec/support/delayed_job_helper.rb'
-    - 'spec/support/request/checkout_helper.rb'
     - 'spec/support/request/distribution_helper.rb'
     - 'spec/support/request/shop_workflow.rb'
 
-# Offense count: 66
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle, UseHashRocketsWithSymbolValues, PreferHashRocketsForNonAlnumEndingSymbols.
-# SupportedStyles: ruby19, hash_rockets, no_mixed_keys, ruby19_no_mixed_keys
-Style/HashSyntax:
-  Exclude:
-    - 'spec/factories/stock_location_factory.rb'
-    - 'spec/models/spree/credit_card_spec.rb'
-    - 'spec/models/spree/payment_spec.rb'
-
-# Offense count: 2
+# Offense count: 3
 Style/MissingRespondToMissing:
   Exclude:
     - 'app/helpers/application_helper.rb'
     - 'app/models/spree/gateway.rb'
+    - 'app/models/spree/preferences/configuration.rb'
 
 # Offense count: 2
 Style/MixinUsage:
@@ -1495,7 +1253,7 @@ Style/MixinUsage:
     - 'lib/open_food_network/orders_and_fulfillments_report.rb'
     - 'spec/lib/open_food_network/packing_report_spec.rb'
 
-# Offense count: 36
+# Offense count: 43
 # Cop supports --auto-correct.
 # Configuration parameters: AutoCorrect, EnforcedStyle, IgnoredMethods.
 # SupportedStyles: predicate, comparison
@@ -1509,8 +1267,11 @@ Style/NumericPredicate:
     - 'app/models/product_import/product_importer.rb'
     - 'app/models/product_import/spreadsheet_entry.rb'
     - 'app/models/spree/gateway/stripe_connect.rb'
-    - 'app/models/spree/line_item_decorator.rb'
-    - 'app/models/spree/order_decorator.rb'
+    - 'app/models/spree/line_item.rb'
+    - 'app/models/spree/order.rb'
+    - 'app/models/spree/order_contents.rb'
+    - 'app/models/spree/order_inventory.rb'
+    - 'app/models/spree/preferences/preferable.rb'
     - 'app/models/spree/user.rb'
     - 'app/models/variant_override.rb'
     - 'app/services/cart_service.rb'
@@ -1523,37 +1284,7 @@ Style/NumericPredicate:
     - 'lib/spree/money_decorator.rb'
     - 'lib/tasks/sample_data.rake'
 
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle.
-# SupportedStyles: compact, exploded
-Style/RaiseArgs:
-  Exclude:
-    - 'spec/controllers/checkout_controller_spec.rb'
-
-# Offense count: 1
-# Cop supports --auto-correct.
-Style/RandomWithOffset:
-  Exclude:
-    - 'spec/factories.rb'
-
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle, AllowInnerSlashes.
-# SupportedStyles: slashes, percent_r, mixed
-Style/RegexpLiteral:
-  Exclude:
-    - 'lib/spree/core/controller_helpers/auth.rb'
-
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle.
-# SupportedStyles: implicit, explicit
-Style/RescueStandardError:
-  Exclude:
-    - 'lib/spree/core/delegate_belongs_to.rb'
-
-# Offense count: 231
+# Offense count: 241
 Style/Send:
   Exclude:
     - 'spec/controllers/admin/subscriptions_controller_spec.rb'
@@ -1578,8 +1309,10 @@ Style/Send:
     - 'spec/models/enterprise_spec.rb'
     - 'spec/models/exchange_spec.rb'
     - 'spec/models/spree/gateway/stripe_connect_spec.rb'
+    - 'spec/models/spree/order_inventory_spec.rb'
     - 'spec/models/spree/order_spec.rb'
     - 'spec/models/spree/payment_spec.rb'
+    - 'spec/models/spree/return_authorization_spec.rb'
     - 'spec/models/spree/tax_rate_spec.rb'
     - 'spec/models/tag_rule/discount_order_spec.rb'
     - 'spec/models/tag_rule/filter_order_cycles_spec.rb'
@@ -1597,3 +1330,11 @@ Style/Send:
 Style/StructInheritance:
   Exclude:
     - 'lib/open_food_network/enterprise_fee_applicator.rb'
+
+# Offense count: 2
+# Cop supports --auto-correct.
+# Configuration parameters: IgnoredMethods.
+# IgnoredMethods: respond_to, define_method
+Style/SymbolProc:
+  Exclude:
+    - 'app/models/spree/preferences/preferable.rb'

Gemfile

@@ -18,18 +18,11 @@ gem 'web', path: './engines/web'
 gem 'activerecord-postgresql-adapter'
 gem 'pg', '~> 0.21.0'
 
-# OFN-maintained and patched version of Spree v2.0.4. See
-# https://github.com/openfoodfoundation/openfoodnetwork/wiki/Tech-Doc:-OFN's-Spree-fork%F0%9F%8D%B4
-# for details.
-gem 'spree_core', github: 'openfoodfoundation/spree', branch: '2-1-0-stable'
-
-### Dependencies brought from spree core
-gem 'acts_as_list', '= 0.2.0'
+gem 'acts_as_list', '= 0.3.0'
 gem 'awesome_nested_set', '~> 3.0.0.rc.1'
 gem 'cancan', '~> 1.6.10'
 gem 'ffaker', '~> 1.16'
 gem 'highline', '= 1.6.18' # Necessary for the install generator
-gem 'httparty', '~> 0.18' # Used to check alerts in spree_core, this is not used in OFN.
 gem 'json', '>= 1.7.7'
 gem 'money', '5.1.1'
 gem 'paranoia', '~> 2.0'
@@ -37,7 +30,7 @@ gem 'ransack', '~> 1.8.10'
 gem 'state_machine', '1.2.0'
 gem 'stringex', '~> 1.5.1'
 
-gem 'spree_i18n', github: 'spree/spree_i18n', branch: '1-3-stable'
+gem 'spree_i18n', github: 'openfoodfoundation/spree_i18n', branch: '1-3-stable'
 
 # Our branch contains the following changes:
 # - Pass customer email and phone number to PayPal (merged to upstream master)
@@ -61,8 +54,6 @@ gem 'daemons'
 gem 'delayed_job_active_record'
 gem 'delayed_job_web'
 
-# Spree's default pagination gem (locked to the current version used by Spree)
-# We use it's methods in OFN code as well, so this is a direct dependency
 gem 'kaminari', '~> 0.14.1'
 
 gem 'andand'

Gemfile.lock

@@ -6,12 +6,11 @@ GIT
 
 GIT
   remote: https://github.com/openfoodfoundation/better_spree_paypal_express.git
-  revision: 1736e3268239a841576d2719a1f276cf9b74c5c5
+  revision: 1a477e9f7763297944cc99b6f4dd3d962aa963e9
   branch: 2-1-0-stable
   specs:
     spree_paypal_express (2.0.3)
       paypal-sdk-merchant (= 1.106.1)
-      spree_core (~> 2.1.0)
 
 GIT
   remote: https://github.com/openfoodfoundation/ofn-qz.git
@@ -21,39 +20,13 @@ GIT
     ofn-qz (0.1.0)
 
 GIT
-  remote: https://github.com/openfoodfoundation/spree.git
-  revision: cbb24a6ed701166ffaf2ab60a402154100d74766
-  branch: 2-1-0-stable
-  specs:
-    spree_core (2.1.0)
-      activemerchant (= 1.78.0)
-      acts_as_list (= 0.2.0)
-      awesome_nested_set (~> 3.0.0.rc.1)
-      aws-sdk (= 1.11.1)
-      cancan (~> 1.6.10)
-      ffaker (~> 1.16)
-      highline (= 1.6.18)
-      httparty (~> 0.11)
-      json (>= 1.7.7)
-      kaminari (~> 0.14.1)
-      money (= 5.1.1)
-      paperclip (~> 3.4.1)
-      paranoia (~> 2.0)
-      rails (~> 4.0)
-      ransack (~> 1.0)
-      state_machine (= 1.2.0)
-      stringex (~> 1.5.1)
-      truncate_html (= 0.9.2)
-
-GIT
-  remote: https://github.com/spree/spree_i18n.git
-  revision: 752eb67204e9c5a4e22b62591a8fd55fe2285e43
+  remote: https://github.com/openfoodfoundation/spree_i18n.git
+  revision: 12f18312232f0ce70270d47859d2951d12f7791c
   branch: 1-3-stable
   specs:
     spree_i18n (1.0.0)
       i18n (~> 0.5)
       rails-i18n
-      spree_core (>= 1.1)
 
 PATH
   remote: engines/catalog
@@ -127,7 +100,7 @@ GEM
       tzinfo (~> 0.3.37)
     acts-as-taggable-on (4.0.0)
       activerecord (>= 4.0)
-    acts_as_list (0.2.0)
+    acts_as_list (0.3.0)
       activerecord (>= 3.0)
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
@@ -149,7 +122,7 @@ GEM
       nokogiri (>= 1.4.4)
       uuidtools (~> 2.1)
     bcrypt (3.1.13)
-    bugsnag (6.17.0)
+    bugsnag (6.18.0)
       concurrent-ruby (~> 1.0)
     builder (3.1.4)
     byebug (11.0.1)
@@ -417,9 +390,6 @@ GEM
     hashdiff (1.0.1)
     highline (1.6.18)
     hike (1.2.3)
-    httparty (0.18.1)
-      mime-types (~> 3.0)
-      multi_xml (>= 0.5.2)
     i18n (0.6.11)
     i18n-js (3.8.0)
       i18n (>= 0.6.6)
@@ -710,7 +680,7 @@ DEPENDENCIES
   activerecord-postgresql-adapter
   activerecord-session_store
   acts-as-taggable-on (~> 4.0)
-  acts_as_list (= 0.2.0)
+  acts_as_list (= 0.3.0)
   andand
   angular-rails-templates (~> 0.3.0)
   angularjs-file-upload-rails (~> 2.4.1)
@@ -752,7 +722,6 @@ DEPENDENCIES
   gmaps4rails
   haml
   highline (= 1.6.18)
-  httparty (~> 0.18)
   i18n (~> 0.6.11)
   i18n-js (~> 3.8.0)
   immigrant
@@ -799,7 +768,6 @@ DEPENDENCIES
   selenium-webdriver
   shoulda-matchers
   simplecov
-  spree_core!
   spree_i18n!
   spree_paypal_express!
   spring

README.md

@@ -16,7 +16,7 @@ We're part of global movement - get involved!
 
 ## Contributing
 
-If you are interested in contributing to the OFN in any capacity, please introduce yourself [on Slack][slack-invite], and have a look through our [Contributor Guide][contributor-guide].
+If you are interested in contributing to the OFN in any capacity, please introduce yourself [on Slack][slack-invite], and have a look through the [OFN Handbook][ofn-handbook].
 
 Our [GETTING_STARTED](GETTING_STARTED.md) and [CONTRIBUTING](CONTRIBUTING.md) guides are the best place to start for developers looking to set up a development environment and make contributions to the codebase.
 
@@ -41,7 +41,7 @@ Copyright (c) 2012 - 2020 Open Food Foundation, released under the AGPL licence.
 
 [survey]: https://docs.google.com/a/eaterprises.com.au/forms/d/1zxR5vSiU9CigJ9cEaC8-eJLgYid8CR8er7PPH9Mc-30/edit#
 [slack-invite]: https://join.slack.com/t/openfoodnetwork/shared_invite/zt-9sjkjdlu-r02kUMP1zbrTgUhZhYPF~A
-[contributor-guide]: https://ofn-user-guide.gitbook.io/ofn-contributor-guide/who-are-we
+[ofn-handbook]: https://ofn-user-guide.gitbook.io/ofn-handbook/
 [ofn-install]: https://github.com/openfoodfoundation/ofn-install
 [super-admin-guide]: https://ofn-user-guide.gitbook.io/ofn-super-admin-guide
 [welcome-dev]: https://github.com/openfoodfoundation/openfoodnetwork/projects/27

app/assets/javascripts/admin/all.js

@@ -34,7 +34,7 @@
 //= require css_browser_selector_dev
 //= require responsive-tables
 //= require admin/spree_paypal_express
-//= require handlebars
+//= require admin/spree/handlebar_extensions
 
 // OFN specific
 //= require_tree ../templates/admin

app/assets/javascripts/admin/bulk_product_update.js.coffee

@@ -104,7 +104,7 @@ angular.module("ofn.admin").controller "AdminProductEditCtrl", ($scope, $timeout
   $scope.$watch 'sortOptions', (sort) ->
     return unless sort && sort.predicate != ""
 
-    $scope.sorting = sort.getSortingExpr()
+    $scope.q.sorting = sort.getSortingExpr()
     $scope.fetchProducts()
   , true
 

app/assets/javascripts/admin/customers/controllers/customers_controller.js.coffee

@@ -47,3 +47,8 @@ angular.module("admin.customers").controller "customersCtrl", ($scope, $q, $filt
         tag.text.toLowerCase().indexOf(query.toLowerCase()) != -1
       defer.resolve filtered
     defer.promise
+
+  $scope.displayBalanceStatus = (customer) ->
+    return unless customer.balance_status
+
+    t('admin.customers.index.' + customer.balance_status)

app/assets/javascripts/admin/enterprises/directives/terms_and_conditions_warning.js.coffee

@@ -0,0 +1,30 @@
+angular.module("admin.enterprises").directive 'termsAndConditionsWarning', ($compile, $templateCache, DialogDefaults, $timeout) ->
+  restrict: 'A'
+  scope: true
+
+  link: (scope, element, attr) ->
+    # This file input click handler will hold the browser file input dialog and show a warning modal
+    scope.hold_file_input_and_show_warning_modal = (event) ->
+      event.preventDefault()
+      scope.template = $compile($templateCache.get('admin/modals/terms_and_conditions_warning.html'))(scope)
+      if scope.template.dialog
+        scope.template.dialog(DialogDefaults)
+        scope.template.dialog('open')
+      scope.$apply()
+
+    element.bind 'click', scope.hold_file_input_and_show_warning_modal
+
+    # When the user presses continue in the warning modal, we open the browser file input dialog
+    scope.continue = ->
+      scope.template.dialog('close')
+
+      # unbind warning modal handler and click file input again to open the browser file input dialog
+      element.unbind('click').trigger('click')
+      # afterwards, bind warning modal handler again so that the warning is shown the next time
+      $timeout ->
+        element.bind 'click', scope.hold_file_input_and_show_warning_modal
+      return
+
+    scope.close = ->
+      scope.template.dialog('close')
+      return

app/assets/javascripts/admin/products/services/variant_unit_manager.js.coffee

@@ -1,4 +1,4 @@
-angular.module("admin.products").factory "VariantUnitManager", ->
+angular.module("admin.products").factory "VariantUnitManager", (availableUnits) ->
   class VariantUnitManager
     @units:
       'weight':
@@ -29,12 +29,13 @@ angular.module("admin.products").factory "VariantUnitManager", ->
           system: 'metric'
 
     @variantUnitOptions: ->
+      available = availableUnits.split(",")
       options = for unit_type, _ of @units
-        for scale in @unitScales(unit_type)
+        for scale in @unitScales(unit_type, available)
           name = @getUnitName(scale, unit_type)
           ["#{I18n.t(unit_type)} (#{name})", "#{unit_type}_#{scale}"]
       options.push [[I18n.t('items'), 'items']]
-      [].concat options...
+      options = [].concat options...
 
     @getScale: (value, unitType) ->
       scaledValue = null
@@ -53,8 +54,13 @@ angular.module("admin.products").factory "VariantUnitManager", ->
       else
         ''
 
-    @unitScales: (unitType) ->
-      (parseFloat(scale) for scale in Object.keys(@units[unitType])).sort (a, b) ->
+    @unitScales: (unitType, availableUnits = null) ->
+      scales = Object.keys(@units[unitType])
+      if availableUnits
+        scales = scales.filter (scale) ->
+          availableUnits.includes(VariantUnitManager.getUnitName(scale, unitType))
+
+      (parseFloat(scale) for scale in scales).sort (a, b) ->
          a - b
 
     @compatibleUnitScales: (scale, unitType) ->

app/assets/javascripts/admin/spree/base.js.erb

@@ -1,5 +1,4 @@
 //= require_self
-//= require admin/handlebar_extensions
 //= require admin/spree/orders/variant_autocomplete
 
 /**

app/assets/javascripts/admin/spree/handlebar_extensions.js

@@ -0,0 +1,9 @@
+//= require handlebars
+
+Handlebars.registerHelper("t", function(key) {
+  if (Spree.translations[key]) {
+    return Spree.translations[key]
+  } else {
+    console.error("No translation found for " + key + ". Does it exist within spree/admin/shared/_translations.html.erb?")
+  }
+});

app/assets/javascripts/darkswarm/services/checkout.js.coffee

@@ -95,6 +95,10 @@ Darkswarm.factory 'Checkout', ($injector, CurrentOrder, ShippingMethods, StripeE
               last_name: @order.bill_address.lastname
               save_requested_by_customer: @secrets.save_requested_by_customer
           }
+
+      if @terms_and_conditions_accepted()
+        munged_order["terms_and_conditions_accepted"] = true
+
       munged_order
 
     shippingMethod: ->
@@ -114,3 +118,7 @@ Darkswarm.factory 'Checkout', ($injector, CurrentOrder, ShippingMethods, StripeE
 
     cartTotal: ->
       @order.display_total + @shippingPrice() + @paymentPrice()
+
+    terms_and_conditions_accepted: ->
+      terms_and_conditions_checkbox = angular.element("#accept_terms")[0]
+      terms_and_conditions_checkbox? && terms_and_conditions_checkbox.checked

app/assets/javascripts/templates/admin/modals/terms_and_conditions_info.html.haml

@@ -0,0 +1,13 @@
+%div
+  .margin-bottom-30.text-center
+    .text-big
+      {{ 'js.admin.modals.terms_and_conditions_info.title' | t }}
+  .margin-bottom-30
+    %p
+      {{ 'js.admin.modals.terms_and_conditions_info.message_1' | t }}
+  .margin-bottom-30
+    %p
+      {{ 'js.admin.modals.terms_and_conditions_info.message_2' | t }}
+
+  .text-center
+    %input.button.red.icon-plus{ type: 'button', value: t('js.admin.modals.got_it'), ng: { click: 'close()' } }

app/assets/javascripts/templates/admin/modals/terms_and_conditions_warning.html.haml

@@ -0,0 +1,14 @@
+%div
+  .margin-bottom-30.text-center
+    .text-big
+      {{ 'js.admin.modals.terms_and_conditions_warning.title' | t }}
+  .margin-bottom-30
+    %p
+      {{ 'js.admin.modals.terms_and_conditions_warning.message_1' | t }}
+  .margin-bottom-30
+    %p
+      {{ 'js.admin.modals.terms_and_conditions_warning.message_2' | t }}
+
+  .text-center
+    %input.button.red{ type: 'button', value: t('js.admin.modals.close'), ng: { click: 'close()' } }
+    %input.button.red{ type: 'button', value: t('js.admin.modals.continue'), ng: { click: 'continue()' } }

app/assets/stylesheets/admin/products.scss

@@ -121,3 +121,10 @@ form#image_upload {
   }
 }
 
+form.edit_image {
+  .field {
+    img {
+      max-width: 150px;
+    }
+  }
+}

app/assets/stylesheets/admin/shared/typography.scss

@@ -154,3 +154,7 @@ input.text-big {
 .pad-top {
   padding-top: 1em;
 }
+
+.white-space-nowrap {
+  white-space: nowrap;
+}

app/controllers/admin/enterprises_controller.rb

@@ -181,10 +181,10 @@ module Admin
       enterprise_payment_methods = @enterprise.payment_methods.to_a
       enterprise_shipping_methods = @enterprise.shipping_methods.to_a
       # rubocop:disable Style/TernaryParentheses
-      @payment_methods = Spree::PaymentMethod.managed_by(spree_current_user).sort_by! do |pm|
+      @payment_methods = Spree::PaymentMethod.managed_by(spree_current_user).to_a.sort_by! do |pm|
         [(enterprise_payment_methods.include? pm) ? 0 : 1, pm.name]
       end
-      @shipping_methods = Spree::ShippingMethod.managed_by(spree_current_user).sort_by! do |sm|
+      @shipping_methods = Spree::ShippingMethod.managed_by(spree_current_user).to_a.sort_by! do |sm|
         [(enterprise_shipping_methods.include? sm) ? 0 : 1, sm.name]
       end
       # rubocop:enable Style/TernaryParentheses

app/controllers/api/products_controller.rb

@@ -1,4 +1,5 @@
 require 'open_food_network/permissions'
+require 'spree/core/product_duplicator'
 
 module Api
   class ProductsController < Api::BaseController

app/controllers/spree/admin/general_settings_controller.rb

@@ -10,6 +10,7 @@ module Spree
       end
 
       def update
+        merge_available_units_params unless params[:available_units].nil?
         params.each do |name, value|
           next unless Spree::Config.has_preference? name
 
@@ -19,6 +20,13 @@ module Spree
 
         redirect_to spree.edit_admin_general_settings_path
       end
+
+      private
+
+      def merge_available_units_params
+        params[:available_units] =
+          params[:available_units].select { |_unit, checked| checked == "1" }.keys.join(",")
+      end
     end
   end
 end

app/controllers/spree/admin/images_controller.rb

@@ -25,7 +25,7 @@ module Spree
         @object.attributes = permitted_resource_params
         if @object.save
           flash[:success] = flash_message_for(@object, :successfully_created)
-          redirect_to admin_product_images_url(params[:product_id], @url_filters)
+          redirect_to spree.admin_product_images_url(params[:product_id], @url_filters)
         else
           respond_with(@object)
         end
@@ -41,7 +41,7 @@ module Spree
 
         if @object.update(permitted_resource_params)
           flash[:success] = flash_message_for(@object, :successfully_updated)
-          redirect_to admin_product_images_url(params[:product_id], @url_filters)
+          redirect_to spree.admin_product_images_url(params[:product_id], @url_filters)
         else
           respond_with(@object)
         end
@@ -55,7 +55,7 @@ module Spree
           flash[:success] = flash_message_for(@object, :successfully_removed)
         end
 
-        redirect_to admin_product_images_url(params[:product_id], @url_filters)
+        redirect_to spree.admin_product_images_url(params[:product_id], @url_filters)
       end
 
       private

app/controllers/spree/admin/payment_methods_controller.rb

@@ -127,7 +127,7 @@ module Spree
 
       def load_hubs
         # rubocop:disable Style/TernaryParentheses
-        @hubs = Enterprise.managed_by(spree_current_user).is_distributor.sort_by! do |d|
+        @hubs = Enterprise.managed_by(spree_current_user).is_distributor.to_a.sort_by! do |d|
           [(@payment_method.has_distributor? d) ? 0 : 1, d.name]
         end
         # rubocop:enable Style/TernaryParentheses

app/controllers/spree/admin/product_properties_controller.rb

@@ -16,7 +16,7 @@ module Spree
           flash[:success] = flash_message_for(@object, :successfully_removed)
         end
         # if destroy fails it won't show any errors to the user
-        redirect_to admin_product_product_properties_url(params[:product_id], @url_filters)
+        redirect_to spree.admin_product_product_properties_url(params[:product_id], @url_filters)
       end
 
       private

app/controllers/spree/admin/reports_controller.rb

@@ -294,7 +294,7 @@ module Spree
         if report_in_order_management_engine?(report)
           main_app.public_send("new_order_management_reports_#{report}_url".to_sym)
         else
-          public_send("#{report}_admin_reports_url".to_sym)
+          spree.public_send("#{report}_admin_reports_url".to_sym)
         end
       rescue NoMethodError
         url_for([:new, :admin, :reports, report.to_s.singularize])

app/controllers/spree/admin/shipping_methods_controller.rb

@@ -50,7 +50,7 @@ module Spree
 
       def load_hubs
         # rubocop:disable Style/TernaryParentheses
-        @hubs = Enterprise.managed_by(spree_current_user).is_distributor.sort_by! do |d|
+        @hubs = Enterprise.managed_by(spree_current_user).is_distributor.to_a.sort_by! do |d|
           [(@shipping_method.has_distributor? d) ? 0 : 1, d.name]
         end
         # rubocop:enable Style/TernaryParentheses

app/controllers/spree/admin/variants_controller.rb

@@ -21,9 +21,9 @@ module Spree
 
         if @object.update(permitted_resource_params)
           flash[:success] = flash_message_for(@object, :successfully_updated)
-          redirect_to admin_product_variants_url(params[:product_id], @url_filters)
+          redirect_to spree.admin_product_variants_url(params[:product_id], @url_filters)
         else
-          redirect_to edit_admin_product_variant_url(params[:product_id], @object, @url_filters)
+          redirect_to spree.edit_admin_product_variant_url(params[:product_id], @object, @url_filters)
         end
       end
 
@@ -40,9 +40,9 @@ module Spree
         @object.attributes = permitted_resource_params
         if @object.save
           flash[:success] = flash_message_for(@object, :successfully_created)
-          redirect_to admin_product_variants_url(params[:product_id], @url_filters)
+          redirect_to spree.admin_product_variants_url(params[:product_id], @url_filters)
         else
-          redirect_to new_admin_product_variant_url(params[:product_id], @url_filters)
+          redirect_to spree.new_admin_product_variant_url(params[:product_id], @url_filters)
         end
 
         return unless @object.present? && @object.valid?

app/controllers/spree/paypal_controller_decorator.rb

@@ -6,6 +6,51 @@ Spree::PaypalController.class_eval do
   after_action :reset_order_when_complete, only: :confirm
   before_action :permit_parameters!
 
+  def express
+    order = current_order || raise(ActiveRecord::RecordNotFound)
+    items = order.line_items.map(&method(:line_item))
+
+    tax_adjustments = order.adjustments.tax
+    # TODO: Remove in Spree 2.2
+    tax_adjustments = tax_adjustments.additional if tax_adjustments.respond_to?(:additional)
+    shipping_adjustments = order.adjustments.shipping
+
+    order.adjustments.eligible.each do |adjustment|
+      next if (tax_adjustments + shipping_adjustments).include?(adjustment)
+
+      items << {
+        Name: adjustment.label,
+        Quantity: 1,
+        Amount: {
+          currencyID: order.currency,
+          value: adjustment.amount
+        }
+      }
+    end
+
+    # Because PayPal doesn't accept $0 items at all.
+    # See #10
+    # https://cms.paypal.com/uk/cgi-bin/?cmd=_render-content&content_ID=developer/e_howto_api_ECCustomizing
+    # "It can be a positive or negative value but not zero."
+    items.reject! do |item|
+      item[:Amount][:value].zero?
+    end
+    pp_request = provider.build_set_express_checkout(express_checkout_request_details(order, items))
+
+    begin
+      pp_response = provider.set_express_checkout(pp_request)
+      if pp_response.success?
+        redirect_to provider.express_checkout_url(pp_response, useraction: 'commit')
+      else
+        flash[:error] = Spree.t('flash.generic_error', scope: 'paypal', reasons: pp_response.errors.map(&:long_message).join(" "))
+        redirect_to spree.checkout_state_path(:payment)
+      end
+    rescue SocketError
+      flash[:error] = Spree.t('flash.connection_failed', scope: 'paypal')
+      redirect_to spree.checkout_state_path(:payment)
+    end
+  end
+
   def cancel
     flash[:notice] = Spree.t('flash.cancel', scope: 'paypal')
     redirect_to main_app.checkout_path
@@ -49,4 +94,24 @@ Spree::PaypalController.class_eval do
     orphaned_payments = current_order.payments.where(payment_method_id: payment_method.id, source_id: nil)
     orphaned_payments.each(&:destroy)
   end
+
+  def completion_route(order)
+    spree.order_path(order, token: order.token)
+  end
+
+  def express_checkout_request_details(order, items)
+    {
+      SetExpressCheckoutRequestDetails: {
+        InvoiceID: order.number,
+        BuyerEmail: order.email,
+        ReturnURL: spree.confirm_paypal_url(payment_method_id: params[:payment_method_id], utm_nooverride: 1),
+        CancelURL: spree.cancel_paypal_url,
+        SolutionType: payment_method.preferred_solution.presence || "Mark",
+        LandingPage: payment_method.preferred_landing_page.presence || "Billing",
+        cppheaderimage: payment_method.preferred_logourl.presence || "",
+        NoShipping: 1,
+        PaymentDetails: [payment_details(items)]
+      }
+    }
+  end
 end

app/helpers/admin/injection_helper.rb

@@ -184,6 +184,12 @@ module Admin
                        json: "'#{@spree_api_key}'" }
     end
 
+    def admin_inject_available_units
+      admin_inject_json "admin.products",
+                        "availableUnits",
+                        Spree::Config.available_units
+    end
+
     def admin_inject_json(ng_module, name, data)
       json = data.to_json
       render partial: "admin/json/injection_ams",

app/helpers/checkout_helper.rb

@@ -7,6 +7,8 @@ module CheckoutHelper
     adjustments = order.adjustments.eligible
     exclude = opts[:exclude] || {}
 
+    adjustments = adjustments.to_a
+
     # Remove empty tax adjustments and (optionally) shipping fees
     adjustments.reject! { |a| a.originator_type == 'Spree::TaxRate' && a.amount == 0 }
     adjustments.reject! { |a| a.originator_type == 'Spree::ShippingMethod' } if exclude.include? :shipping

app/helpers/injection_helper.rb

@@ -4,7 +4,7 @@ module InjectionHelper
   include SerializerHelper
 
   def inject_enterprises(enterprises = nil)
-    inject_json_ams(
+    inject_json_array(
       "enterprises",
       enterprises || default_enterprise_query,
       Api::EnterpriseSerializer,
@@ -15,7 +15,7 @@ module InjectionHelper
   def inject_groups
     select_only = required_attributes EnterpriseGroup, Api::GroupListSerializer
 
-    inject_json_ams(
+    inject_json_array(
       "groups",
       EnterpriseGroup.on_front_page.by_position.select(select_only).
         includes(enterprises: [:shipping_methods, { address: [:state, :country] }],
@@ -26,7 +26,7 @@ module InjectionHelper
   end
 
   def inject_enterprise_shopfront(enterprise)
-    inject_json_ams(
+    inject_json(
       "shopfront",
       enterprise,
       Api::EnterpriseShopfrontSerializer
@@ -36,7 +36,7 @@ module InjectionHelper
   def inject_enterprise_shopfront_list
     select_only = required_attributes Enterprise, Api::EnterpriseShopfrontListSerializer
 
-    inject_json_ams(
+    inject_json_array(
       "enterprises",
       Enterprise.activated.visible.select(select_only).includes(address: [:state, :country]).all,
       Api::EnterpriseShopfrontListSerializer
@@ -50,13 +50,13 @@ module InjectionHelper
       includes(:properties, address: [:state, :country], supplied_products: :properties).
       all
 
-    inject_json_ams "enterprises",
-                    enterprises_and_relatives,
-                    Api::EnterpriseSerializer, enterprise_injection_data
+    inject_json_array "enterprises",
+                      enterprises_and_relatives,
+                      Api::EnterpriseSerializer, enterprise_injection_data
   end
 
   def inject_group_enterprises
-    inject_json_ams(
+    inject_json_array(
       "enterprises",
       @group.enterprises.activated.all,
       Api::EnterpriseSerializer,
@@ -65,11 +65,18 @@ module InjectionHelper
   end
 
   def inject_current_hub
-    inject_json_ams "currentHub", current_distributor, Api::EnterpriseSerializer, enterprise_injection_data
+    inject_json "currentHub",
+                current_distributor,
+                Api::EnterpriseSerializer,
+                enterprise_injection_data
   end
 
   def inject_current_order
-    inject_json_ams "currentOrder", current_order, Api::CurrentOrderSerializer, current_distributor: current_distributor, current_order_cycle: current_order_cycle
+    inject_json "currentOrder",
+                current_order,
+                Api::CurrentOrderSerializer,
+                current_distributor: current_distributor,
+                current_order_cycle: current_order_cycle
   end
 
   def inject_current_order_cycle
@@ -79,73 +86,78 @@ module InjectionHelper
   end
 
   def inject_available_shipping_methods
-    inject_json_ams "shippingMethods", available_shipping_methods,
-                    Api::ShippingMethodSerializer, current_order: current_order
+    inject_json_array "shippingMethods", available_shipping_methods,
+                      Api::ShippingMethodSerializer, current_order: current_order
   end
 
   def inject_available_payment_methods
-    inject_json_ams "paymentMethods", available_payment_methods,
-                    Api::PaymentMethodSerializer, current_order: current_order
+    inject_json_array "paymentMethods", available_payment_methods,
+                      Api::PaymentMethodSerializer, current_order: current_order
   end
 
   def inject_taxons
-    inject_json_ams "taxons", Spree::Taxon.all.to_a, Api::TaxonSerializer
+    inject_json_array "taxons", Spree::Taxon.all.to_a, Api::TaxonSerializer
   end
 
   def inject_properties
-    inject_json_ams "properties", Spree::Property.all.to_a, Api::PropertySerializer
+    inject_json_array "properties", Spree::Property.all.to_a, Api::PropertySerializer
   end
 
   def inject_currency_config
-    inject_json_ams "currencyConfig", {}, Api::CurrencyConfigSerializer
+    inject_json "currencyConfig", {}, Api::CurrencyConfigSerializer
   end
 
   def inject_open_street_map_config
-    inject_json_ams "openStreetMapConfig", {}, Api::OpenStreetMapConfigSerializer
+    inject_json "openStreetMapConfig", {}, Api::OpenStreetMapConfigSerializer
   end
 
   def inject_spree_api_key
-    render partial: "json/injection_ams", locals: { name: 'spreeApiKey', json: "'#{@spree_api_key}'" }
+    render partial: "json/injection_ams",
+           locals: { name: 'spreeApiKey', json: "'#{@spree_api_key}'" }
   end
 
   def inject_available_countries
-    inject_json_ams "availableCountries", available_countries, Api::CountrySerializer
+    inject_json_array "availableCountries", available_countries, Api::CountrySerializer
   end
 
   def inject_enterprise_attributes
-    render partial: "json/injection_ams", locals: { name: 'enterpriseAttributes', json: @enterprise_attributes.to_json.to_s }
+    render partial: "json/injection_ams",
+           locals: { name: 'enterpriseAttributes', json: @enterprise_attributes.to_json.to_s }
   end
 
   def inject_orders
-    inject_json_ams "orders", @orders.all, Api::OrderSerializer
+    inject_json_array "orders", @orders.all, Api::OrderSerializer
   end
 
   def inject_shops
     customers = spree_current_user.customers
-    shops = Enterprise.where(id: @orders.pluck(:distributor_id).uniq | customers.pluck(:enterprise_id))
-    inject_json_ams "shops", shops.all, Api::ShopForOrdersSerializer
+    shops = Enterprise.where(id: @orders.pluck(:distributor_id).uniq |
+                                 customers.pluck(:enterprise_id))
+    inject_json_array "shops", shops.all, Api::ShopForOrdersSerializer
   end
 
   def inject_saved_credit_cards
     data = spree_current_user ? spree_current_user.credit_cards.with_payment_profile.all : []
 
-    inject_json_ams "savedCreditCards", data, Api::CreditCardSerializer
+    inject_json_array "savedCreditCards", data, Api::CreditCardSerializer
   end
 
   def inject_current_user
-    inject_json_ams "user", spree_current_user, Api::UserSerializer
+    inject_json "user", spree_current_user, Api::UserSerializer
   end
 
   def inject_rails_flash
-    inject_json_ams "railsFlash", OpenStruct.new(flash.to_hash), Api::RailsFlashSerializer
+    inject_json "railsFlash", OpenStruct.new(flash.to_hash), Api::RailsFlashSerializer
   end
 
-  def inject_json_ams(name, data, serializer, opts = {})
-    if data.is_a?(Array)
-      opts = { each_serializer: serializer }.merge(opts)
-      serializer = ActiveModel::ArraySerializer
-    end
+  def inject_json_array(name, data, serializer, opts = {})
+    opts = { each_serializer: serializer }.merge(opts)
+    serializer = ActiveModel::ArraySerializer
 
+    inject_json(name, data, serializer, opts)
+  end
+
+  def inject_json(name, data, serializer, opts = {})
     serializer_instance = serializer.new(data, opts)
     json = serializer_instance.to_json
     render partial: "json/injection_ams", locals: { name: name, json: json }

app/helpers/spree/admin/general_settings_helper.rb

@@ -8,6 +8,10 @@ module Spree
         end
         options_from_collection_for_select(currencies, :first, :last, Spree::Config[:currency])
       end
+
+      def all_units
+        ["g", "oz", "lb", "kg", "T", "mL", "L", "kL"]
+      end
     end
   end
 end

app/helpers/spree/admin/navigation_helper.rb

@@ -86,9 +86,9 @@ module Spree
 
       def link_to_delete(resource, options = {})
         url = options[:url] || object_url(resource)
-        name = options[:name] || Spree.t(:delete)
+        name = options[:name] || I18n.t(:delete)
         options[:class] = "delete-resource"
-        options[:data] = { confirm: Spree.t(:are_you_sure), action: 'remove' }
+        options[:data] = { confirm: I18n.t(:are_you_sure), action: 'remove' }
         link_to_with_icon 'icon-trash', name, url, options
       end
 

app/helpers/spree/admin/orders_helper.rb

@@ -113,11 +113,12 @@ module Spree
       end
 
       def event_link(event)
-        button_link_to(Spree.t(event),
+        event_label = I18n.t(event, scope: "actions")
+        confirm_message = I18n.t("admin.orders.edit.order_sure_want_to", event: event_label)
+        button_link_to(event_label,
                        fire_admin_order_url(@order, e: event),
-                       method: :put,
-                       icon: "icon-#{event}",
-                       data: { confirm: Spree.t(:order_sure_want_to, event: Spree.t(event)) })
+                       method: :put, icon: "icon-#{event}",
+                       data: { confirm: confirm_message })
       end
     end
   end

app/helpers/terms_and_conditions_helper.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+module TermsAndConditionsHelper
+  def terms_and_conditions_activated?
+    current_order.distributor.terms_and_conditions.file?
+  end
+
+  def terms_and_conditions_already_accepted?
+    customer_terms_and_conditions_accepted_at = spree_current_user&.
+      customer_of(current_order.distributor)&.terms_and_conditions_accepted_at
+
+    customer_terms_and_conditions_accepted_at.present? &&
+      (customer_terms_and_conditions_accepted_at >
+        current_order.distributor.terms_and_conditions_updated_at)
+  end
+end

app/mailers/producer_mailer.rb

@@ -60,11 +60,11 @@ class ProducerMailer < Spree::BaseMailer
   end
 
   def total_from_line_items(line_items)
-    Spree::Money.new line_items.sum(&:total)
+    Spree::Money.new line_items.to_a.sum(&:total)
   end
 
   def tax_total_from_line_items(line_items)
-    Spree::Money.new line_items.sum(&:included_tax)
+    Spree::Money.new line_items.to_a.sum(&:included_tax)
   end
 
   # This hack makes ActiveRecord skip the default_scope (deleted_at IS NULL)

app/mailers/spree/user_mailer.rb

@@ -8,10 +8,12 @@ module Spree
     def reset_password_instructions(user, token, _opts = {})
       @edit_password_reset_url = spree.
         edit_spree_user_password_url(reset_password_token: token)
+      subject = "#{Spree::Config[:site_name]} " \
+        "#{I18n.t('spree.user_mailer.reset_password_instructions.subject')}"
 
-      mail(to: user.email, from: from_address,
-           subject: Spree::Config[:site_name] + ' ' +
-             I18n.t(:subject, scope: [:devise, :mailer, :reset_password_instructions]))
+      I18n.with_locale valid_locale(user) do
+        mail(to: user.email, from: from_address, subject: subject)
+      end
     end
 
     # This is a OFN specific email, not from Devise::Mailer

app/models/calculator/default_tax.rb

@@ -49,7 +49,7 @@ module Calculator
     # Finds relevant fees for each line_item,
     #   calculates the tax on them, and returns the total tax
     def per_item_fees_total(order, calculator)
-      order.line_items.sum do |line_item|
+      order.line_items.to_a.sum do |line_item|
         calculator.per_item_enterprise_fee_applicators_for(line_item.variant)
           .select { |applicator| applicable_rate?(applicator, line_item) }
           .sum { |applicator| applicator.enterprise_fee.compute_amount(line_item) }

app/models/calculator/flat_percent_per_item.rb

@@ -18,7 +18,7 @@ class Calculator::FlatPercentPerItem < Spree::Calculator
   end
 
   def compute(object)
-    line_items_for(object).sum do |li|
+    line_items_for(object).to_a.sum do |li|
       unless li.price.present? && li.quantity.present?
         raise ArgumentError, "object must respond to #price and #quantity"
       end

app/models/calculator/weight.rb

@@ -32,7 +32,7 @@ module Calculator
     private
 
     def total_weight(line_items)
-      line_items.sum do |line_item|
+      line_items.to_a.sum do |line_item|
         line_item_weight(line_item)
       end
     end

app/models/concerns/product_stock.rb

@@ -4,7 +4,7 @@ module ProductStock
   extend ActiveSupport::Concern
 
   def on_demand
-    if has_variants?
+    if variants?
       raise 'Cannot determine product on_demand value of product with multiple variants' if variants.size > 1
 
       variants.first.on_demand
@@ -14,7 +14,7 @@ module ProductStock
   end
 
   def on_hand
-    if has_variants?
+    if variants?
       variants.map(&:on_hand).reduce(:+)
     else
       master.on_hand

app/models/enterprise.rb

@@ -470,6 +470,8 @@ class Enterprise < ActiveRecord::Base
   end
 
   def initialize_permalink
+    return unless name
+
     self.permalink = Enterprise.find_available_permalink(name)
   end
 

app/models/model_set.rb

@@ -50,6 +50,7 @@ class ModelSet
     # Remove all elements to be deleted from collection and return them
     # Allows us to render @model_set.collection without deleted elements
     deleted = []
+    @collection = collection.to_a
     collection.delete_if { |e| deleted << e if @delete_if.andand.call(e.attributes) }
     deleted
   end

app/models/spree/ability.rb

@@ -47,7 +47,7 @@ module Spree
       end
 
       add_shopping_abilities user
-      add_base_abilities user if new_user? user
+      add_base_abilities user if is_new_user? user
       add_enterprise_management_abilities user if can_manage_enterprises? user
       add_group_management_abilities user if can_manage_groups? user
       add_product_management_abilities user if can_manage_products? user
@@ -57,7 +57,7 @@ module Spree
     end
 
     # New users have no enterprises.
-    def new_user?(user)
+    def is_new_user?(user)
       user.enterprises.blank?
     end
 

app/models/spree/app_configuration.rb

@@ -21,6 +21,8 @@
 # a.get :color
 # a.preferred_color
 #
+require 'spree/core/mail_settings'
+
 module Spree
   class AppConfiguration < Preferences::Configuration
     # Should state/state_name be required
@@ -144,5 +146,8 @@ module Spree
     # Enable cache
     preference :enable_products_cache?, :boolean,
                default: (Rails.env.production? || Rails.env.staging?)
+
+    # Available units
+    preference :available_units, :string, default: "g,kg,T,mL,L,kL"
   end
 end

app/models/spree/image.rb

@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require 'spree/core/s3_support'
+
 module Spree
   class Image < Asset
     validates_attachment_presence :attachment

app/models/spree/line_item.rb

@@ -192,7 +192,7 @@ module Spree
 
       line_item_adjustments = OrderAdjustmentsFetcher.new(order).line_item_adjustments(self)
 
-      (price + line_item_adjustments.sum(&:amount) / quantity).round(2)
+      (price + line_item_adjustments.to_a.sum(&:amount) / quantity).round(2)
     end
 
     def single_display_amount_with_adjustments

app/models/spree/option_type.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module Spree
+  class OptionType < ActiveRecord::Base
+    has_many :products, through: :product_option_types
+    has_many :option_values, -> { order(:position) }, dependent: :destroy
+    has_many :product_option_types, dependent: :destroy
+
+    validates :name, :presentation, presence: true
+    default_scope -> { order("#{table_name}.position") }
+
+    accepts_nested_attributes_for :option_values,
+                                  reject_if: lambda { |ov|
+                                    ov[:name].blank? || ov[:presentation].blank?
+                                  },
+                                  allow_destroy: true
+  end
+end

app/models/spree/option_type_decorator.rb

@@ -1,5 +0,0 @@
-module Spree
-  OptionType.class_eval do
-    has_many :products, through: :product_option_types
-  end
-end

app/models/spree/option_value.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+module Spree
+  class OptionValue < ActiveRecord::Base
+    belongs_to :option_type
+    acts_as_list scope: :option_type
+    has_and_belongs_to_many :variants, join_table: 'spree_option_values_variants',
+                                       class_name: "Spree::Variant"
+
+    validates :name, :presentation, presence: true
+  end
+end

app/models/spree/preferences/preferable.rb

@@ -10,6 +10,9 @@
 # inherited hook will assign a new hash for the subclass definitions
 # and copy all the definitions allowing the subclass to add
 # additional defintions without affecting the base
+
+require 'spree/preferences/store'
+
 module Spree
   module Preferences
     module Preferable

app/models/spree/price.rb

@@ -0,0 +1,57 @@
+# frozen_string_literal: true
+
+module Spree
+  class Price < ActiveRecord::Base
+    acts_as_paranoid without_default_scope: true
+
+    belongs_to :variant, class_name: 'Spree::Variant'
+
+    validate :check_price
+    validates :amount, numericality: { greater_than_or_equal_to: 0 }, allow_nil: true
+
+    def display_amount
+      money
+    end
+    alias :display_price :display_amount
+
+    def money
+      Spree::Money.new(amount || 0, currency: currency)
+    end
+
+    def price
+      amount
+    end
+
+    def price=(price)
+      self[:amount] = parse_price(price)
+    end
+
+    # Allow prices to access associated soft-deleted variants.
+    def variant
+      Spree::Variant.unscoped { super }
+    end
+
+    private
+
+    def check_price
+      return unless currency.nil?
+
+      self.currency = Spree::Config[:currency]
+    end
+
+    # strips all non-price-like characters from the price, taking into account locale settings
+    def parse_price(price)
+      return price unless price.is_a?(String)
+
+      separator, _delimiter = I18n.t([:'number.currency.format.separator',
+                                      :'number.currency.format.delimiter'])
+      non_price_characters = /[^0-9\-#{separator}]/
+      # Strip everything else first
+      price.gsub!(non_price_characters, '')
+      # Then replace the locale-specific decimal separator with the standard separator if necessary
+      price.gsub!(separator, '.') unless separator == '.'
+
+      price.to_d
+    end
+  end
+end

app/models/spree/price_decorator.rb

@@ -1,18 +0,0 @@
-module Spree
-  Price.class_eval do
-    acts_as_paranoid without_default_scope: true
-
-    # Allow prices to access associated soft-deleted variants.
-    def variant
-      Spree::Variant.unscoped { super }
-    end
-
-    private
-
-    def check_price
-      if currency.nil?
-        self.currency = Spree::Config[:currency]
-      end
-    end
-  end
-end

app/models/spree/product.rb

@@ -0,0 +1,485 @@
+# frozen_string_literal: true
+
+require 'open_food_network/permalink_generator'
+require 'open_food_network/property_merge'
+require 'concerns/product_stock'
+
+# PRODUCTS
+# Products represent an entity for sale in a store.
+# Products can have variations, called variants
+# Products properties include description, permalink, availability,
+#   shipping category, etc. that do not change by variant.
+#
+# MASTER VARIANT
+# Every product has one master variant, which stores master price and sku, size and weight, etc.
+# The master variant does not have option values associated with it.
+# Price, SKU, size, weight, etc. are all delegated to the master variant.
+# Contains on_hand inventory levels only when there are no variants for the product.
+#
+# VARIANTS
+# All variants can access the product properties directly (via reverse delegation).
+# Inventory units are tied to Variant.
+# The master variant can have inventory units, but not option values.
+# All other variants have option values and may have inventory units.
+# Sum of on_hand each variant's inventory level determine "on_hand" level for the product.
+#
+module Spree
+  class Product < ActiveRecord::Base
+    include PermalinkGenerator
+    include ProductStock
+
+    acts_as_paranoid
+
+    has_many :product_option_types, dependent: :destroy
+    # We have an after_destroy callback on Spree::ProductOptionType. However, if we
+    # don't specify dependent => destroy on this association, it is not called. See:
+    # https://github.com/rails/rails/issues/7618
+    has_many :option_types, through: :product_option_types, dependent: :destroy
+    has_many :product_properties, dependent: :destroy
+    has_many :properties, through: :product_properties
+
+    has_many :classifications, dependent: :delete_all
+    has_many :taxons, through: :classifications
+
+    belongs_to :tax_category, class_name: 'Spree::TaxCategory'
+    belongs_to :shipping_category, class_name: 'Spree::ShippingCategory'
+    belongs_to :supplier, class_name: 'Enterprise', touch: true
+    belongs_to :primary_taxon, class_name: 'Spree::Taxon', touch: true
+
+    has_one :master,
+            -> { where is_master: true },
+            class_name: 'Spree::Variant',
+            dependent: :destroy
+
+    has_many :variants, -> {
+      where(is_master: false).order("#{::Spree::Variant.quoted_table_name}.position ASC")
+    }, class_name: 'Spree::Variant'
+
+    has_many :variants_including_master,
+             -> { order("#{::Spree::Variant.quoted_table_name}.position ASC") },
+             class_name: 'Spree::Variant',
+             dependent: :destroy
+
+    has_many :prices, -> {
+      order('spree_variants.position, spree_variants.id, currency')
+    }, through: :variants
+
+    has_many :stock_items, through: :variants
+
+    delegate_belongs_to :master, :sku, :price, :currency, :display_amount, :display_price, :weight,
+                        :height, :width, :depth, :is_master, :default_price?, :cost_currency,
+                        :price_in, :amount_in, :unit_value, :unit_description
+    delegate_belongs_to :master, :cost_price if Variant.table_exists? &&
+                                                Variant.column_names.include?('cost_price')
+    delegate :images_attributes=, :display_as=, to: :master
+
+    after_create :set_master_variant_defaults
+    after_create :build_variants_from_option_values_hash, if: :option_values_hash
+    after_save :save_master
+
+    delegate :images, to: :master, prefix: true
+    alias_method :images, :master_images
+
+    has_many :variant_images, -> { order(:position) }, source: :images,
+                                                       through: :variants_including_master
+
+    accepts_nested_attributes_for :variants, allow_destroy: true
+
+    validates :name, presence: true
+    validates :permalink, presence: true
+    validates :price, presence: true, if: proc { Spree::Config[:require_master_price] }
+    validates :shipping_category_id, presence: true
+
+    validates :supplier, presence: true
+    validates :primary_taxon, presence: true
+    validates :tax_category_id, presence: true, if: "Spree::Config.products_require_tax_category"
+
+    validates :variant_unit, presence: true
+    validates :variant_unit_scale,
+              presence: { if: ->(p) { %w(weight volume).include? p.variant_unit } }
+    validates :variant_unit_name,
+              presence: { if: ->(p) { p.variant_unit == 'items' } }
+
+    attr_accessor :option_values_hash
+
+    accepts_nested_attributes_for :product_properties,
+                                  allow_destroy: true,
+                                  reject_if: lambda { |pp| pp[:property_name].blank? }
+
+    make_permalink order: :name
+
+    alias :options :product_option_types
+
+    after_initialize :ensure_master
+    after_initialize :set_available_on_to_now, if: :new_record?
+
+    before_validation :sanitize_permalink
+    before_save :add_primary_taxon_to_taxons
+    after_save :remove_previous_primary_taxon_from_taxons
+    after_save :ensure_standard_variant
+    after_save :update_units
+
+    before_destroy :punch_permalink
+
+    # -- Joins
+    scope :with_order_cycles_outer, -> {
+      joins("
+        LEFT OUTER JOIN spree_variants AS o_spree_variants
+          ON (o_spree_variants.product_id = spree_products.id)").
+        joins("
+          LEFT OUTER JOIN exchange_variants AS o_exchange_variants
+            ON (o_exchange_variants.variant_id = o_spree_variants.id)").
+        joins("
+          LEFT OUTER JOIN exchanges AS o_exchanges
+            ON (o_exchanges.id = o_exchange_variants.exchange_id)").
+        joins("
+          LEFT OUTER JOIN order_cycles AS o_order_cycles
+            ON (o_order_cycles.id = o_exchanges.order_cycle_id)")
+    }
+
+    scope :imported_on, lambda { |import_date|
+      import_date = Time.zone.parse import_date if import_date.is_a? String
+      import_date = import_date.to_date
+      joins(:variants).merge(Spree::Variant.
+        where(import_date: import_date.beginning_of_day..import_date.end_of_day))
+    }
+
+    scope :with_order_cycles_inner, -> {
+      joins(variants_including_master: { exchanges: :order_cycle })
+    }
+
+    scope :visible_for, lambda { |enterprise|
+      joins('
+        LEFT OUTER JOIN spree_variants AS o_spree_variants
+          ON (o_spree_variants.product_id = spree_products.id)').
+        joins('
+          LEFT OUTER JOIN inventory_items AS o_inventory_items
+            ON (o_spree_variants.id = o_inventory_items.variant_id)').
+        where('o_inventory_items.enterprise_id = (?) AND visible = (?)', enterprise, true)
+    }
+
+    # -- Scopes
+    scope :in_supplier, lambda { |supplier| where(supplier_id: supplier) }
+
+    # Products distributed via the given distributor through an OC
+    scope :in_distributor, lambda { |distributor|
+      distributor = distributor.respond_to?(:id) ? distributor.id : distributor.to_i
+
+      with_order_cycles_outer.
+        where('(o_exchanges.incoming = ? AND o_exchanges.receiver_id = ?)', false, distributor).
+        select('distinct spree_products.*')
+    }
+
+    scope :in_distributors, lambda { |distributors|
+      with_order_cycles_outer.
+        where('(o_exchanges.incoming = ? AND o_exchanges.receiver_id IN (?))', false, distributors).
+        uniq
+    }
+
+    # Products supplied by a given enterprise or distributed via that enterprise through an OC
+    scope :in_supplier_or_distributor, lambda { |enterprise|
+      enterprise = enterprise.respond_to?(:id) ? enterprise.id : enterprise.to_i
+
+      with_order_cycles_outer.
+        where("
+          spree_products.supplier_id = ?
+          OR (o_exchanges.incoming = ? AND o_exchanges.receiver_id = ?)
+        ", enterprise, false, enterprise).
+        select('distinct spree_products.*')
+    }
+
+    # Products distributed by the given order cycle
+    scope :in_order_cycle, lambda { |order_cycle|
+      with_order_cycles_inner.
+        merge(Exchange.outgoing).
+        where('order_cycles.id = ?', order_cycle)
+    }
+
+    scope :in_an_active_order_cycle, lambda {
+      with_order_cycles_inner.
+        merge(OrderCycle.active).
+        merge(Exchange.outgoing).
+        where('order_cycles.id IS NOT NULL')
+    }
+
+    scope :by_producer, -> { joins(:supplier).order('enterprises.name') }
+    scope :by_name, -> { order('name') }
+
+    scope :managed_by, lambda { |user|
+      if user.has_spree_role?('admin')
+        where(nil)
+      else
+        where('supplier_id IN (?)', user.enterprises.select("enterprises.id"))
+      end
+    }
+
+    scope :stockable_by, lambda { |enterprise|
+      return where('1=0') if enterprise.blank?
+
+      permitted_producer_ids = EnterpriseRelationship.joins(:parent).permitting(enterprise.id)
+        .with_permission(:add_to_order_cycle)
+        .where(enterprises: { is_primary_producer: true })
+        .pluck(:parent_id)
+      return where('spree_products.supplier_id IN (?)', [enterprise.id] | permitted_producer_ids)
+    }
+
+    scope :active, lambda {
+      where("spree_products.deleted_at IS NULL AND spree_products.available_on <= ?", Time.zone.now)
+    }
+
+    def self.group_by_products_id
+      group(column_names.map { |col_name| "#{table_name}.#{col_name}" })
+    end
+
+    def to_param
+      permalink.present? ? permalink : (permalink_was || name.to_s.to_url)
+    end
+
+    # the master variant is not a member of the variants array
+    def variants?
+      variants.any?
+    end
+
+    def tax_category
+      if self[:tax_category_id].nil?
+        TaxCategory.find_by(is_default: true)
+      else
+        TaxCategory.find(self[:tax_category_id])
+      end
+    end
+
+    # Ensures option_types and product_option_types exist for keys in option_values_hash
+    def ensure_option_types_exist_for_values_hash
+      return if option_values_hash.nil?
+
+      option_values_hash.keys.map(&:to_i).each do |id|
+        option_type_ids << id unless option_type_ids.include?(id)
+        unless product_option_types.pluck(:option_type_id).include?(id)
+          product_option_types.create(option_type_id: id)
+        end
+      end
+    end
+
+    # for adding products which are closely related to existing ones
+    def duplicate
+      duplicator = Spree::Core::ProductDuplicator.new(self)
+      duplicator.duplicate
+    end
+
+    # use deleted? rather than checking the attribute directly. this
+    # allows extensions to override deleted? if they want to provide
+    # their own definition.
+    def deleted?
+      !!deleted_at
+    end
+
+    def available?
+      !(available_on.nil? || available_on.future?)
+    end
+
+    # split variants list into hash which shows mapping of opt value onto matching variants
+    # eg categorise_variants_from_option(color) => {"red" -> [...], "blue" -> [...]}
+    def categorise_variants_from_option(opt_type)
+      return {} unless option_types.include?(opt_type)
+
+      variants.active.group_by { |v| v.option_values.detect { |o| o.option_type == opt_type } }
+    end
+
+    def self.like_any(fields, values)
+      where fields.map { |field|
+        values.map { |value|
+          arel_table[field].matches("%#{value}%")
+        }.inject(:or)
+      }.inject(:or)
+    end
+
+    def empty_option_values?
+      options.empty? || options.any? do |opt|
+        opt.option_type.option_values.empty?
+      end
+    end
+
+    def property(property_name)
+      return nil unless prop = properties.find_by(name: property_name)
+
+      product_properties.find_by(property: prop).try(:value)
+    end
+
+    def set_property(property_name, property_value)
+      ActiveRecord::Base.transaction do
+        property = Property.where(name: property_name).first_or_create!(presentation: property_name)
+        product_property = ProductProperty.where(product: self,
+                                                 property: property).first_or_initialize
+        product_property.value = property_value
+        product_property.save!
+      end
+    end
+
+    def total_on_hand
+      stock_items.sum(&:count_on_hand)
+    end
+
+    # Master variant may be deleted (i.e. when the product is deleted)
+    # which would make AR's default finder return nil.
+    # This is a stopgap for that little problem.
+    def master
+      super || variants_including_master.with_deleted.find_by(is_master: true)
+    end
+
+    def properties_including_inherited
+      # Product properties override producer properties
+      ps = product_properties.all
+
+      if inherits_properties
+        ps = OpenFoodNetwork::PropertyMerge.merge(ps, supplier.producer_properties)
+      end
+
+      ps.
+        sort_by(&:position).
+        map { |pp| { id: pp.property.id, name: pp.property.presentation, value: pp.value } }
+    end
+
+    def in_distributor?(distributor)
+      self.class.in_distributor(distributor).include? self
+    end
+
+    def in_order_cycle?(order_cycle)
+      self.class.in_order_cycle(order_cycle).include? self
+    end
+
+    def variants_distributed_by(order_cycle, distributor)
+      order_cycle.variants_distributed_by(distributor).where(product_id: self)
+    end
+
+    # Get the most recent import_date of a product's variants
+    def import_date
+      variants.map(&:import_date).compact.max
+    end
+
+    def variant_unit_option_type
+      return if variant_unit.blank?
+
+      option_type_name = "unit_#{variant_unit}"
+      option_type_presentation = variant_unit.capitalize
+
+      Spree::OptionType.find_by(name: option_type_name) ||
+        Spree::OptionType.create!(name: option_type_name,
+                                  presentation: option_type_presentation)
+    end
+
+    def self.all_variant_unit_option_types
+      Spree::OptionType.where('name LIKE ?', 'unit_%%')
+    end
+
+    def destroy_with_delete_from_order_cycles
+      transaction do
+        touch_distributors
+
+        ExchangeVariant.
+          where('exchange_variants.variant_id IN (?)', variants_including_master.with_deleted.
+          select(:id)).destroy_all
+
+        destroy_without_delete_from_order_cycles
+      end
+    end
+    alias_method_chain :destroy, :delete_from_order_cycles
+
+    private
+
+    # Builds variants from a hash of option types & values
+    def build_variants_from_option_values_hash
+      ensure_option_types_exist_for_values_hash
+      values = option_values_hash.values
+      values = values.inject(values.shift) { |memo, value| memo.product(value).map(&:flatten) }
+
+      values.each do |ids|
+        variants.create(
+          option_value_ids: ids,
+          price: master.price
+        )
+      end
+      save
+    end
+
+    # ensures the master variant is flagged as such
+    def set_master_variant_defaults
+      master.is_master = true
+    end
+
+    # Here we rescue errors when saving master variants (without the need for a
+    #   validates_associated on master) and we get more specific data about the errors
+    def save_master
+      if master && (
+          master.changed? || master.new_record? || (
+            master.default_price && (
+              master.default_price.changed? || master.default_price.new_record?
+            )
+          )
+        )
+        master.save!
+      end
+
+      # If the master cannot be saved, the Product object will get its errors
+      # and will be destroyed
+    rescue ActiveRecord::RecordInvalid
+      master.errors.each do |att, error|
+        errors.add(att, error)
+      end
+      raise
+    end
+
+    def ensure_master
+      return unless new_record?
+
+      self.master ||= Variant.new
+    end
+
+    def punch_permalink
+      # Punch permalink with date prefix
+      update_attribute :permalink, "#{Time.now.to_i}_#{permalink}"
+    end
+
+    def set_available_on_to_now
+      self.available_on ||= Time.zone.now
+    end
+
+    def update_units
+      return unless variant_unit_changed?
+
+      option_types.delete self.class.all_variant_unit_option_types
+      option_types << variant_unit_option_type if variant_unit.present?
+      variants_including_master.each(&:update_units)
+    end
+
+    def touch_distributors
+      Enterprise.distributing_products(id).each(&:touch)
+    end
+
+    def add_primary_taxon_to_taxons
+      taxons << primary_taxon unless taxons.include? primary_taxon
+    end
+
+    def remove_previous_primary_taxon_from_taxons
+      return unless primary_taxon_id_changed? && primary_taxon_id_was
+
+      taxons.destroy(primary_taxon_id_was)
+    end
+
+    def ensure_standard_variant
+      return unless master.valid? && variants.empty?
+
+      variant = master.dup
+      variant.product = self
+      variant.is_master = false
+      variants << variant
+    end
+
+    # Spree creates a permalink already but our implementation fixes an edge case.
+    def sanitize_permalink
+      return unless permalink.blank? || permalink_changed?
+
+      requested = permalink.presence || permalink_was.presence || name.presence || 'product'
+      self.permalink = create_unique_permalink(requested.parameterize)
+    end
+  end
+end

app/models/spree/product_decorator.rb

@@ -1,265 +0,0 @@
-require 'open_food_network/permalink_generator'
-require 'open_food_network/property_merge'
-require 'concerns/product_stock'
-
-Spree::Product.class_eval do
-  include PermalinkGenerator
-  include ProductStock
-
-  # We have an after_destroy callback on Spree::ProductOptionType. However, if we
-  # don't specify dependent => destroy on this association, it is not called. See:
-  # https://github.com/rails/rails/issues/7618
-  has_many :option_types, through: :product_option_types, dependent: :destroy
-
-  belongs_to :supplier, class_name: 'Enterprise', touch: true
-  belongs_to :primary_taxon, class_name: 'Spree::Taxon', touch: true
-
-  delegate_belongs_to :master, :unit_value, :unit_description
-  delegate :images_attributes=, :display_as=, to: :master
-
-  validates :supplier, presence: true
-  validates :primary_taxon, presence: true
-  validates :tax_category_id, presence: true, if: "Spree::Config.products_require_tax_category"
-
-  validates :variant_unit, presence: true
-  validates :variant_unit_scale,
-            presence: { if: ->(p) { %w(weight volume).include? p.variant_unit } }
-  validates :variant_unit_name,
-            presence: { if: ->(p) { p.variant_unit == 'items' } }
-
-  after_initialize :set_available_on_to_now, if: :new_record?
-  before_validation :sanitize_permalink
-  before_save :add_primary_taxon_to_taxons
-  after_save :remove_previous_primary_taxon_from_taxons
-  after_save :ensure_standard_variant
-  after_save :update_units
-
-  # -- Joins
-  scope :with_order_cycles_outer, -> {
-    joins("
-      LEFT OUTER JOIN spree_variants AS o_spree_variants
-        ON (o_spree_variants.product_id = spree_products.id)").
-      joins("
-        LEFT OUTER JOIN exchange_variants AS o_exchange_variants
-          ON (o_exchange_variants.variant_id = o_spree_variants.id)").
-      joins("
-        LEFT OUTER JOIN exchanges AS o_exchanges
-          ON (o_exchanges.id = o_exchange_variants.exchange_id)").
-      joins("
-        LEFT OUTER JOIN order_cycles AS o_order_cycles
-          ON (o_order_cycles.id = o_exchanges.order_cycle_id)")
-  }
-
-  scope :imported_on, lambda { |import_date|
-    import_date = Time.zone.parse import_date if import_date.is_a? String
-    import_date = import_date.to_date
-    joins(:variants).merge(Spree::Variant.where(import_date: import_date.beginning_of_day..import_date.end_of_day))
-  }
-
-  scope :with_order_cycles_inner, -> {
-    joins(variants_including_master: { exchanges: :order_cycle })
-  }
-
-  scope :visible_for, lambda { |enterprise|
-    joins('LEFT OUTER JOIN spree_variants AS o_spree_variants ON (o_spree_variants.product_id = spree_products.id)').
-      joins('LEFT OUTER JOIN inventory_items AS o_inventory_items ON (o_spree_variants.id = o_inventory_items.variant_id)').
-      where('o_inventory_items.enterprise_id = (?) AND visible = (?)', enterprise, true)
-  }
-
-  # -- Scopes
-  scope :in_supplier, lambda { |supplier| where(supplier_id: supplier) }
-
-  # Products distributed via the given distributor through an OC
-  scope :in_distributor, lambda { |distributor|
-    distributor = distributor.respond_to?(:id) ? distributor.id : distributor.to_i
-
-    with_order_cycles_outer.
-      where('(o_exchanges.incoming = ? AND o_exchanges.receiver_id = ?)', false, distributor).
-      select('distinct spree_products.*')
-  }
-
-  scope :in_distributors, lambda { |distributors|
-    with_order_cycles_outer.
-      where('(o_exchanges.incoming = ? AND o_exchanges.receiver_id IN (?))', false, distributors).
-      uniq
-  }
-
-  # Products supplied by a given enterprise or distributed via that enterprise through an OC
-  scope :in_supplier_or_distributor, lambda { |enterprise|
-    enterprise = enterprise.respond_to?(:id) ? enterprise.id : enterprise.to_i
-
-    with_order_cycles_outer.
-      where("
-        spree_products.supplier_id = ?
-        OR (o_exchanges.incoming = ? AND o_exchanges.receiver_id = ?)
-      ", enterprise, false, enterprise).
-      select('distinct spree_products.*')
-  }
-
-  # Products distributed by the given order cycle
-  scope :in_order_cycle, lambda { |order_cycle|
-    with_order_cycles_inner.
-      merge(Exchange.outgoing).
-      where('order_cycles.id = ?', order_cycle)
-  }
-
-  scope :in_an_active_order_cycle, lambda {
-    with_order_cycles_inner.
-      merge(OrderCycle.active).
-      merge(Exchange.outgoing).
-      where('order_cycles.id IS NOT NULL')
-  }
-
-  scope :by_producer, -> { joins(:supplier).order('enterprises.name') }
-  scope :by_name, -> { order('name') }
-
-  scope :managed_by, lambda { |user|
-    if user.has_spree_role?('admin')
-      where(nil)
-    else
-      where('supplier_id IN (?)', user.enterprises.select("enterprises.id"))
-    end
-  }
-
-  scope :stockable_by, lambda { |enterprise|
-    return where('1=0') if enterprise.blank?
-
-    permitted_producer_ids = EnterpriseRelationship.joins(:parent).permitting(enterprise.id)
-      .with_permission(:add_to_order_cycle).where(enterprises: { is_primary_producer: true }).pluck(:parent_id)
-    return where('spree_products.supplier_id IN (?)', [enterprise.id] | permitted_producer_ids)
-  }
-
-  # -- Methods
-
-  # Called by Spree::Product::duplicate before saving.
-  def duplicate_extra(_parent)
-    # Spree sets the SKU to "COPY OF #{parent sku}".
-    master.sku = ''
-  end
-
-  def properties_including_inherited
-    # Product properties override producer properties
-    ps = product_properties.all
-
-    if inherits_properties
-      ps = OpenFoodNetwork::PropertyMerge.merge(ps, supplier.producer_properties)
-    end
-
-    ps.
-      sort_by(&:position).
-      map { |pp| { id: pp.property.id, name: pp.property.presentation, value: pp.value } }
-  end
-
-  def in_distributor?(distributor)
-    self.class.in_distributor(distributor).include? self
-  end
-
-  def in_order_cycle?(order_cycle)
-    self.class.in_order_cycle(order_cycle).include? self
-  end
-
-  def variants_distributed_by(order_cycle, distributor)
-    order_cycle.variants_distributed_by(distributor).where(product_id: self)
-  end
-
-  # Get the most recent import_date of a product's variants
-  def import_date
-    variants.map(&:import_date).compact.max
-  end
-
-  def variant_unit_option_type
-    if variant_unit.present?
-      option_type_name = "unit_#{variant_unit}"
-      option_type_presentation = variant_unit.capitalize
-
-      Spree::OptionType.find_by(name: option_type_name) ||
-        Spree::OptionType.create!(name: option_type_name,
-                                  presentation: option_type_presentation)
-    end
-  end
-
-  def destroy_with_delete_from_order_cycles
-    transaction do
-      touch_distributors
-
-      ExchangeVariant.
-        where('exchange_variants.variant_id IN (?)', variants_including_master.with_deleted.
-        select(:id)).destroy_all
-
-      destroy_without_delete_from_order_cycles
-    end
-  end
-  alias_method_chain :destroy, :delete_from_order_cycles
-
-  private
-
-  def set_available_on_to_now
-    self.available_on ||= Time.zone.now
-  end
-
-  def update_units
-    if variant_unit_changed?
-      option_types.delete self.class.all_variant_unit_option_types
-      option_types << variant_unit_option_type if variant_unit.present?
-      variants_including_master.each(&:update_units)
-    end
-  end
-
-  def touch_distributors
-    Enterprise.distributing_products(id).each(&:touch)
-  end
-
-  def add_primary_taxon_to_taxons
-    taxons << primary_taxon unless taxons.include? primary_taxon
-  end
-
-  def remove_previous_primary_taxon_from_taxons
-    return unless primary_taxon_id_changed? && primary_taxon_id_was
-
-    taxons.destroy(primary_taxon_id_was)
-  end
-
-  def self.all_variant_unit_option_types
-    Spree::OptionType.where('name LIKE ?', 'unit_%%')
-  end
-
-  def ensure_standard_variant
-    if master.valid? && variants.empty?
-      variant = master.dup
-      variant.product = self
-      variant.is_master = false
-      variants << variant
-    end
-  end
-
-  # Override Spree's old save_master method and replace it with the most recent method from spree repository
-  # This fixes any problems arising from failing master saves, without the need for a validates_associated on
-  # master, while giving us more specific errors as to why saving failed
-  def save_master
-    if master && (
-        master.changed? || master.new_record? || (
-          master.default_price && (
-            master.default_price.changed? || master.default_price.new_record?
-          )
-        )
-      )
-      master.save!
-    end
-
-    # If the master cannot be saved, the Product object will get its errors
-    # and will be destroyed
-  rescue ActiveRecord::RecordInvalid
-    master.errors.each do |att, error|
-      errors.add(att, error)
-    end
-    raise
-  end
-
-  # Spree creates a permalink already but our implementation fixes an edge case.
-  def sanitize_permalink
-    if permalink.blank? || permalink_changed?
-      requested = permalink.presence || permalink_was.presence || name.presence || 'product'
-      self.permalink = create_unique_permalink(requested.parameterize)
-    end
-  end
-end

app/models/spree/product_option_type.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module Spree
+  class ProductOptionType < ActiveRecord::Base
+    after_destroy :remove_option_values
+
+    belongs_to :product, class_name: 'Spree::Product'
+    belongs_to :option_type, class_name: 'Spree::OptionType'
+    acts_as_list scope: :product
+
+    def remove_option_values
+      product.variants_including_master.each do |variant|
+        option_values = variant.option_values.where(option_type_id: option_type)
+        variant.option_values.destroy(*option_values)
+      end
+    end
+  end
+end

app/models/spree/product_option_type_decorator.rb

@@ -1,10 +0,0 @@
-Spree::ProductOptionType.class_eval do
-  after_destroy :remove_option_values
-
-  def remove_option_values
-    product.variants_including_master.each do |variant|
-      option_values = variant.option_values.where(option_type_id: option_type)
-      variant.option_values.destroy(*option_values)
-    end
-  end
-end

app/models/spree/product_property.rb

@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+module Spree
+  class ProductProperty < ActiveRecord::Base
+    belongs_to :product, class_name: "Spree::Product", touch: true
+    belongs_to :property, class_name: 'Spree::Property'
+
+    validates :property, presence: true
+    validates :value, length: { maximum: 255 }
+
+    default_scope -> { order("#{table_name}.position") }
+
+    # virtual attributes for use with AJAX completion stuff
+    def property_name
+      property&.name
+    end
+
+    def property_name=(name)
+      return if name.blank?
+
+      unless property = Property.find_by(name: name)
+        property = Property.create(name: name, presentation: name)
+      end
+      self.property = property
+    end
+  end
+end

app/models/spree/product_property_decorator.rb

@@ -1,5 +0,0 @@
-module Spree
-  ProductProperty.class_eval do
-    belongs_to :product, class_name: "Spree::Product", touch: true
-  end
-end

app/models/spree/stock/quantifier.rb

@@ -30,7 +30,7 @@ module Spree
 
       def fetch_stock_items
         # Don't re-fetch associated stock items from the DB if we've already eager-loaded them
-        return @variant.stock_items.to_a if @variant.stock_items.loaded?
+        return @variant.stock_items if @variant.stock_items.loaded?
 
         Spree::StockItem.joins(:stock_location).
           where(:variant_id => @variant, Spree::StockLocation.table_name => { active: true })

app/models/spree/variant.rb

@@ -0,0 +1,301 @@
+# frozen_string_literal: true
+
+require 'open_food_network/enterprise_fee_calculator'
+require 'variant_units/variant_and_line_item_naming'
+require 'concerns/variant_stock'
+require 'spree/localized_number'
+
+module Spree
+  class Variant < ActiveRecord::Base
+    extend Spree::LocalizedNumber
+    include VariantUnits::VariantAndLineItemNaming
+    include VariantStock
+
+    acts_as_paranoid
+
+    belongs_to :product, touch: true, class_name: 'Spree::Product'
+    delegate_belongs_to :product, :name, :description, :permalink, :available_on,
+                        :tax_category_id, :shipping_category_id, :meta_description,
+                        :meta_keywords, :tax_category, :shipping_category
+
+    has_many :inventory_units
+    has_many :line_items
+
+    has_many :stock_items, dependent: :destroy
+    has_many :stock_locations, through: :stock_items
+    has_many :stock_movements
+
+    has_and_belongs_to_many :option_values, join_table: :spree_option_values_variants
+
+    has_many :images, -> { order(:position) }, as: :viewable,
+                                               dependent: :destroy,
+                                               class_name: "Spree::Image"
+    accepts_nested_attributes_for :images
+
+    has_one :default_price,
+            -> { where currency: Spree::Config[:currency] },
+            class_name: 'Spree::Price',
+            dependent: :destroy
+    has_many :prices,
+             class_name: 'Spree::Price',
+             dependent: :destroy
+    delegate_belongs_to :default_price, :display_price, :display_amount,
+                        :price, :price=, :currency
+
+    has_many :exchange_variants
+    has_many :exchanges, through: :exchange_variants
+    has_many :variant_overrides
+    has_many :inventory_items
+
+    localize_number :price, :cost_price, :weight
+
+    validate :check_price
+    validates :price, numericality: { greater_than_or_equal_to: 0 },
+                      presence: true,
+                      if: proc { Spree::Config[:require_master_price] }
+    validates :cost_price, numericality: { greater_than_or_equal_to: 0, allow_nil: true }
+
+    validates :unit_value, presence: true, if: ->(variant) {
+      %w(weight volume).include?(variant.product.andand.variant_unit)
+    }
+
+    validates :unit_description, presence: true, if: ->(variant) {
+      variant.product.andand.variant_unit.present? && variant.unit_value.nil?
+    }
+
+    before_validation :set_cost_currency
+    before_validation :update_weight_from_unit_value, if: ->(v) { v.product.present? }
+
+    after_save :save_default_price
+    after_save :update_units
+
+    after_create :create_stock_items
+    after_create :set_position
+
+    around_destroy :destruction
+
+    # default variant scope only lists non-deleted variants
+    scope :deleted, lambda { where('deleted_at IS NOT NULL') }
+
+    scope :with_order_cycles_inner, -> { joins(exchanges: :order_cycle) }
+
+    scope :not_master, -> { where(is_master: false) }
+    scope :in_order_cycle, lambda { |order_cycle|
+      with_order_cycles_inner.
+        merge(Exchange.outgoing).
+        where('order_cycles.id = ?', order_cycle).
+        select('DISTINCT spree_variants.*')
+    }
+
+    scope :in_schedule, lambda { |schedule|
+      joins(exchanges: { order_cycle: :schedules }).
+        merge(Exchange.outgoing).
+        where(schedules: { id: schedule }).
+        select('DISTINCT spree_variants.*')
+    }
+
+    scope :for_distribution, lambda { |order_cycle, distributor|
+      where('spree_variants.id IN (?)', order_cycle.variants_distributed_by(distributor).
+        select(&:id))
+    }
+
+    scope :visible_for, lambda { |enterprise|
+      joins(:inventory_items).
+        where(
+          'inventory_items.enterprise_id = (?) AND inventory_items.visible = (?)',
+          enterprise,
+          true
+        )
+    }
+
+    scope :not_hidden_for, lambda { |enterprise|
+      return where("1=0") if enterprise.blank?
+
+      joins("
+        LEFT OUTER JOIN (SELECT *
+                           FROM inventory_items
+                           WHERE enterprise_id = #{sanitize enterprise.andand.id})
+          AS o_inventory_items
+          ON o_inventory_items.variant_id = spree_variants.id")
+        .where("o_inventory_items.id IS NULL OR o_inventory_items.visible = (?)", true)
+    }
+
+    scope :stockable_by, lambda { |enterprise|
+      return where("1=0") if enterprise.blank?
+
+      joins(:product).
+        where(spree_products: { id: Spree::Product.stockable_by(enterprise).pluck(:id) })
+    }
+
+    # Define sope as class method to allow chaining with other scopes filtering id.
+    # In Rails 3, merging two scopes on the same column will consider only the last scope.
+    def self.in_distributor(distributor)
+      where(id: ExchangeVariant.select(:variant_id).
+                joins(:exchange).
+                where('exchanges.incoming = ? AND exchanges.receiver_id = ?', false, distributor))
+    end
+
+    def self.indexed
+      scoped.index_by(&:id)
+    end
+
+    def self.active(currency = nil)
+      # "where(id:" is necessary so that the returned relation has no includes
+      # The relation without includes will not be readonly and allow updates on it
+      where("spree_variants.id in (?)", joins(:prices).
+                                          where(deleted_at: nil).
+                                          where('spree_prices.currency' =>
+                                            currency || Spree::Config[:currency]).
+                                          where('spree_prices.amount IS NOT NULL').
+                                          select("spree_variants.id"))
+    end
+
+    # Allow variant to access associated soft-deleted prices.
+    def default_price
+      Spree::Price.unscoped { super }
+    end
+
+    def price_with_fees(distributor, order_cycle)
+      price + fees_for(distributor, order_cycle)
+    end
+
+    def fees_for(distributor, order_cycle)
+      OpenFoodNetwork::EnterpriseFeeCalculator.new(distributor, order_cycle).fees_for self
+    end
+
+    def fees_by_type_for(distributor, order_cycle)
+      OpenFoodNetwork::EnterpriseFeeCalculator.new(distributor, order_cycle).fees_by_type_for self
+    end
+
+    # returns number of units currently on backorder for this variant.
+    def on_backorder
+      inventory_units.with_state('backordered').size
+    end
+
+    def gross_profit
+      cost_price.nil? ? 0 : (price - cost_price)
+    end
+
+    # use deleted? rather than checking the attribute directly. this
+    # allows extensions to override deleted? if they want to provide
+    # their own definition.
+    def deleted?
+      deleted_at
+    end
+
+    def set_option_value(opt_name, opt_value)
+      # no option values on master
+      return if is_master
+
+      option_type = Spree::OptionType.where(name: opt_name).first_or_initialize do |o|
+        o.presentation = opt_name
+        o.save!
+      end
+
+      current_value = option_values.detect { |o| o.option_type.name == opt_name }
+
+      if current_value.nil?
+        # then we have to check to make sure that the product has the option type
+        unless product.option_types.include? option_type
+          product.option_types << option_type
+          product.save
+        end
+      else
+        return if current_value.name == opt_value
+
+        option_values.delete(current_value)
+      end
+
+      option_value = Spree::OptionValue.where(option_type_id: option_type.id,
+                                              name: opt_value).first_or_initialize do |o|
+        o.presentation = opt_value
+        o.save!
+      end
+
+      option_values << option_value
+      save
+    end
+
+    def option_value(opt_name)
+      option_values.detect { |o| o.option_type.name == opt_name }.try(:presentation)
+    end
+
+    def default_price?
+      !default_price.nil?
+    end
+
+    def price_in(currency)
+      prices.select{ |price| price.currency == currency }.first ||
+        Spree::Price.new(variant_id: id, currency: currency)
+    end
+
+    def amount_in(currency)
+      price_in(currency).try(:amount)
+    end
+
+    def name_and_sku
+      "#{name} - #{sku}"
+    end
+
+    # Product may be created with deleted_at already set,
+    # which would make AR's default finder return nil.
+    # This is a stopgap for that little problem.
+    def product
+      Spree::Product.unscoped { super }
+    end
+
+    # can_supply? is implemented in VariantStock
+    def in_stock?(quantity = 1)
+      can_supply?(quantity)
+    end
+
+    def total_on_hand
+      Spree::Stock::Quantifier.new(self).total_on_hand
+    end
+
+    private
+
+    # Ensures a new variant takes the product master price when price is not supplied
+    def check_price
+      if price.nil? && Spree::Config[:require_master_price]
+        raise 'No master variant found to infer price' unless product&.master
+        raise 'Must supply price for variant or master.price for product.' if self == product.master
+
+        self.price = product.master.price
+      end
+
+      return unless currency.nil?
+
+      self.currency = Spree::Config[:currency]
+    end
+
+    def save_default_price
+      default_price.save if default_price && (default_price.changed? || default_price.new_record?)
+    end
+
+    def set_cost_currency
+      self.cost_currency = Spree::Config[:currency] if cost_currency.blank?
+    end
+
+    def create_stock_items
+      StockLocation.all.find_each do |stock_location|
+        stock_location.propagate_variant(self)
+      end
+    end
+
+    def set_position
+      update_column(:position, product.variants.maximum(:position).to_i + 1)
+    end
+
+    def update_weight_from_unit_value
+      return unless product.variant_unit == 'weight' && unit_value.present?
+
+      self.weight = weight_from_unit_value
+    end
+
+    def destruction
+      exchange_variants(:reload).destroy_all
+      yield
+    end
+  end
+end

app/models/spree/variant_decorator.rb

@@ -1,141 +0,0 @@
-require 'open_food_network/enterprise_fee_calculator'
-require 'variant_units/variant_and_line_item_naming'
-require 'concerns/variant_stock'
-
-Spree::Variant.class_eval do
-  extend Spree::LocalizedNumber
-  # Remove method From Spree, so method from the naming module is used instead
-  # This file may be double-loaded in delayed job environment, so we check before
-  # removing the Spree method to prevent error.
-  remove_method :options_text if instance_methods(false).include? :options_text
-  include VariantUnits::VariantAndLineItemNaming
-  include VariantStock
-
-  has_many :exchange_variants
-  has_many :exchanges, through: :exchange_variants
-  has_many :variant_overrides
-  has_many :inventory_items
-
-  accepts_nested_attributes_for :images
-
-  validates :unit_value, presence: true, if: ->(variant) {
-    %w(weight volume).include?(variant.product.andand.variant_unit)
-  }
-
-  validates :unit_description, presence: true, if: ->(variant) {
-    variant.product.andand.variant_unit.present? && variant.unit_value.nil?
-  }
-
-  before_validation :update_weight_from_unit_value, if: ->(v) { v.product.present? }
-  after_save :update_units
-  around_destroy :destruction
-
-  scope :with_order_cycles_inner, -> { joins(exchanges: :order_cycle) }
-
-  scope :not_master, -> { where(is_master: false) }
-  scope :in_order_cycle, lambda { |order_cycle|
-    with_order_cycles_inner.
-      merge(Exchange.outgoing).
-      where('order_cycles.id = ?', order_cycle).
-      select('DISTINCT spree_variants.*')
-  }
-
-  scope :in_schedule, lambda { |schedule|
-    joins(exchanges: { order_cycle: :schedules }).
-      merge(Exchange.outgoing).
-      where(schedules: { id: schedule }).
-      select('DISTINCT spree_variants.*')
-  }
-
-  scope :for_distribution, lambda { |order_cycle, distributor|
-    where('spree_variants.id IN (?)', order_cycle.variants_distributed_by(distributor).select(&:id))
-  }
-
-  scope :visible_for, lambda { |enterprise|
-    joins(:inventory_items).
-      where(
-        'inventory_items.enterprise_id = (?) AND inventory_items.visible = (?)',
-        enterprise,
-        true
-      )
-  }
-
-  scope :not_hidden_for, lambda { |enterprise|
-    return where("1=0") if enterprise.blank?
-
-    joins("
-      LEFT OUTER JOIN (SELECT *
-                         FROM inventory_items
-                         WHERE enterprise_id = #{sanitize enterprise.andand.id})
-        AS o_inventory_items
-        ON o_inventory_items.variant_id = spree_variants.id")
-      .where("o_inventory_items.id IS NULL OR o_inventory_items.visible = (?)", true)
-  }
-
-  localize_number :price, :cost_price, :weight
-
-  scope :stockable_by, lambda { |enterprise|
-    return where("1=0") if enterprise.blank?
-
-    joins(:product).
-      where(spree_products: { id: Spree::Product.stockable_by(enterprise).pluck(:id) })
-  }
-
-  # Define sope as class method to allow chaining with other scopes filtering id.
-  # In Rails 3, merging two scopes on the same column will consider only the last scope.
-  def self.in_distributor(distributor)
-    where(id: ExchangeVariant.select(:variant_id).
-              joins(:exchange).
-              where('exchanges.incoming = ? AND exchanges.receiver_id = ?', false, distributor))
-  end
-
-  def self.indexed
-    scoped.index_by(&:id)
-  end
-
-  def self.active(currency = nil)
-    # "where(id:" is necessary so that the returned relation has no includes
-    # The relation without includes will not be readonly and allow updates on it
-    where("spree_variants.id in (?)", joins(:prices).
-                                        where(deleted_at: nil).
-                                        where('spree_prices.currency' =>
-                                          currency || Spree::Config[:currency]).
-                                        where('spree_prices.amount IS NOT NULL').
-                                        select("spree_variants.id"))
-  end
-
-  # We override in_stock? to avoid depending
-  #   on the non-overridable method Spree::Stock::Quantifier.can_supply?
-  #   VariantStock implements can_supply? itself which depends on overridable methods
-  def in_stock?(quantity = 1)
-    can_supply?(quantity)
-  end
-
-  # Allow variant to access associated soft-deleted prices.
-  def default_price
-    Spree::Price.unscoped { super }
-  end
-
-  def price_with_fees(distributor, order_cycle)
-    price + fees_for(distributor, order_cycle)
-  end
-
-  def fees_for(distributor, order_cycle)
-    OpenFoodNetwork::EnterpriseFeeCalculator.new(distributor, order_cycle).fees_for self
-  end
-
-  def fees_by_type_for(distributor, order_cycle)
-    OpenFoodNetwork::EnterpriseFeeCalculator.new(distributor, order_cycle).fees_by_type_for self
-  end
-
-  private
-
-  def update_weight_from_unit_value
-    self.weight = weight_from_unit_value if product.variant_unit == 'weight' && unit_value.present?
-  end
-
-  def destruction
-    exchange_variants(:reload).destroy_all
-    yield
-  end
-end

app/serializers/api/admin/basic_enterprise_fee_serializer.rb

@@ -1,3 +1,9 @@
-class Api::Admin::BasicEnterpriseFeeSerializer < ActiveModel::Serializer
-  attributes :id, :enterprise_id
+# frozen_string_literal: true
+
+module Api
+  module Admin
+    class BasicEnterpriseFeeSerializer < ActiveModel::Serializer
+      attributes :id, :enterprise_id
+    end
+  end
 end

app/serializers/api/admin/basic_enterprise_serializer.rb

@@ -1,12 +1,18 @@
-class Api::Admin::BasicEnterpriseSerializer < ActiveModel::Serializer
-  attributes :name, :id, :is_primary_producer, :is_distributor, :sells, :category,
-             :payment_method_ids, :shipping_method_ids, :producer_profile_only, :permalink
+# frozen_string_literal: true
 
-  def payment_method_ids
-    object.payment_methods.map(&:id)
-  end
+module Api
+  module Admin
+    class BasicEnterpriseSerializer < ActiveModel::Serializer
+      attributes :name, :id, :is_primary_producer, :is_distributor, :sells, :category,
+                 :payment_method_ids, :shipping_method_ids, :producer_profile_only, :permalink
 
-  def shipping_method_ids
-    object.shipping_methods.map(&:id)
+      def payment_method_ids
+        object.payment_methods.map(&:id)
+      end
+
+      def shipping_method_ids
+        object.shipping_methods.map(&:id)
+      end
+    end
   end
 end

app/serializers/api/admin/basic_order_cycle_serializer.rb

@@ -1,20 +1,26 @@
-class Api::Admin::BasicOrderCycleSerializer < ActiveModel::Serializer
-  include OrderCyclesHelper
+# frozen_string_literal: true
 
-  attributes :id, :name, :status, :orders_open_at, :orders_close_at
+module Api
+  module Admin
+    class BasicOrderCycleSerializer < ActiveModel::Serializer
+      include OrderCyclesHelper
 
-  has_many :suppliers, serializer: Api::Admin::IdNameSerializer
-  has_many :distributors, serializer: Api::Admin::IdNameSerializer
+      attributes :id, :name, :status, :orders_open_at, :orders_close_at
 
-  def status
-    order_cycle_status_class object
-  end
+      has_many :suppliers, serializer: Api::Admin::IdNameSerializer
+      has_many :distributors, serializer: Api::Admin::IdNameSerializer
 
-  def orders_open_at
-    object.orders_open_at.andand.strftime("%F %T %z")
-  end
+      def status
+        order_cycle_status_class object
+      end
 
-  def orders_close_at
-    object.orders_close_at.andand.strftime("%F %T %z")
+      def orders_open_at
+        object.orders_open_at.andand.strftime("%F %T %z")
+      end
+
+      def orders_close_at
+        object.orders_close_at.andand.strftime("%F %T %z")
+      end
+    end
   end
 end

app/serializers/api/admin/calculator/flat_percent_item_total_serializer.rb

@@ -1,7 +1,15 @@
-class Api::Admin::Calculator::FlatPercentItemTotalSerializer < ActiveModel::Serializer
-  attributes :id, :preferred_flat_percent
+# frozen_string_literal: true
 
-  def preferred_flat_percent
-    object.preferred_flat_percent.to_i
+module Api
+  module Admin
+    module Calculator
+      class FlatPercentItemTotalSerializer < ActiveModel::Serializer
+        attributes :id, :preferred_flat_percent
+
+        def preferred_flat_percent
+          object.preferred_flat_percent.to_i
+        end
+      end
+    end
   end
 end

app/serializers/api/admin/calculator_serializer.rb

@@ -1,7 +1,13 @@
-class Api::Admin::CalculatorSerializer < ActiveModel::Serializer
-  attributes :name, :description
+# frozen_string_literal: true
 
-  delegate :name, to: :object
+module Api
+  module Admin
+    class CalculatorSerializer < ActiveModel::Serializer
+      attributes :name, :description
 
-  delegate :description, to: :object
+      delegate :name, to: :object
+
+      delegate :description, to: :object
+    end
+  end
 end

app/serializers/api/admin/column_preference_serializer.rb

@@ -1,3 +1,9 @@
-class Api::Admin::ColumnPreferenceSerializer < ActiveModel::Serializer
-  attributes :id, :user_id, :action_name, :column_name, :name, :visible
+# frozen_string_literal: true
+
+module Api
+  module Admin
+    class ColumnPreferenceSerializer < ActiveModel::Serializer
+      attributes :id, :user_id, :action_name, :column_name, :name, :visible
+    end
+  end
 end

app/serializers/api/admin/customer_serializer.rb

@@ -1,36 +1,61 @@
-class Api::Admin::CustomerSerializer < ActiveModel::Serializer
-  attributes :id, :email, :enterprise_id, :user_id, :code, :tags, :tag_list, :name,
-             :allow_charges, :default_card_present?
+# frozen_string_literal: true
 
-  has_one :ship_address, serializer: Api::AddressSerializer
-  has_one :bill_address, serializer: Api::AddressSerializer
+module Api
+  module Admin
+    class CustomerSerializer < ActiveModel::Serializer
+      attributes :id, :email, :enterprise_id, :user_id, :code, :tags, :tag_list, :name,
+                 :allow_charges, :default_card_present?, :balance, :balance_status
 
-  def tag_list
-    customer_tag_list.join(",")
-  end
+      has_one :ship_address, serializer: Api::AddressSerializer
+      has_one :bill_address, serializer: Api::AddressSerializer
 
-  def name
-    object.name.presence || object.bill_address.andand.full_name
-  end
+      def name
+        object.name.presence || object.bill_address.andand.full_name
+      end
 
-  def tags
-    customer_tag_list.map do |tag|
-      tag_rule_map = options[:tag_rule_mapping].andand[tag]
-      tag_rule_map || { text: tag, rules: nil }
+      def tag_list
+        customer_tag_list.join(",")
+      end
+
+      def balance
+        Spree::Money.new(balance_value, currency: Spree::Config[:currency]).to_s
+      end
+
+      def balance_status
+        if balance_value.positive?
+          "credit_owed"
+        elsif balance_value.negative?
+          "balance_due"
+        else
+          ""
+        end
+      end
+
+      def tags
+        customer_tag_list.map do |tag|
+          tag_rule_map = options[:tag_rule_mapping].andand[tag]
+          tag_rule_map || { text: tag, rules: nil }
+        end
+      end
+
+      def default_card_present?
+        return unless object.user
+
+        object.user.default_card.present?
+      end
+
+      private
+
+      def customer_tag_list
+        return object.tag_list unless options[:customer_tags]
+
+        options[:customer_tags].andand[object.id] || []
+      end
+
+      def balance_value
+        @balance_value ||=
+          OpenFoodNetwork::UserBalanceCalculator.new(object.email, object.enterprise).balance
+      end
     end
   end
-
-  def default_card_present?
-    return unless object.user
-
-    object.user.default_card.present?
-  end
-
-  private
-
-  def customer_tag_list
-    return object.tag_list unless options[:customer_tags]
-
-    options[:customer_tags].andand[object.id] || []
-  end
 end

app/serializers/api/admin/enterprise_fee_serializer.rb

@@ -1,26 +1,32 @@
-class Api::Admin::EnterpriseFeeSerializer < ActiveModel::Serializer
-  attributes :id, :enterprise_id, :fee_type, :name, :tax_category_id, :inherits_tax_category,
-             :calculator_type, :enterprise_name, :calculator_description, :calculator_settings
+# frozen_string_literal: true
 
-  def enterprise_name
-    object.enterprise.andand.name
-  end
+module Api
+  module Admin
+    class EnterpriseFeeSerializer < ActiveModel::Serializer
+      attributes :id, :enterprise_id, :fee_type, :name, :tax_category_id, :inherits_tax_category,
+                 :calculator_type, :enterprise_name, :calculator_description, :calculator_settings
 
-  def calculator_description
-    object.calculator.andand.description
-  end
+      def enterprise_name
+        object.enterprise.andand.name
+      end
 
-  def calculator_settings
-    return nil unless options[:include_calculators]
+      def calculator_description
+        object.calculator.andand.description
+      end
 
-    result = nil
+      def calculator_settings
+        return nil unless options[:include_calculators]
 
-    options[:controller].__send__(:with_format, :html) do
-      result = options[:controller].
-        render_to_string(partial: 'admin/enterprise_fees/calculator_settings',
-                         locals: { enterprise_fee: object })
+        result = nil
+
+        options[:controller].__send__(:with_format, :html) do
+          result = options[:controller].
+            render_to_string(partial: 'admin/enterprise_fees/calculator_settings',
+                             locals: { enterprise_fee: object })
+        end
+
+        result.gsub('[0]', '[{{ $index }}]').gsub('_0_', '_{{ $index }}_')
+      end
     end
-
-    result.gsub('[0]', '[{{ $index }}]').gsub('_0_', '_{{ $index }}_')
   end
 end

app/serializers/api/admin/enterprise_relationship_permission_serializer.rb

@@ -1,3 +1,9 @@
-class Api::Admin::EnterpriseRelationshipPermissionSerializer < ActiveModel::Serializer
-  attributes :id, :name
+# frozen_string_literal: true
+
+module Api
+  module Admin
+    class EnterpriseRelationshipPermissionSerializer < ActiveModel::Serializer
+      attributes :id, :name
+    end
+  end
 end

app/serializers/api/admin/enterprise_relationship_serializer.rb

@@ -1,13 +1,19 @@
-class Api::Admin::EnterpriseRelationshipSerializer < ActiveModel::Serializer
-  attributes :id, :parent_id, :parent_name, :child_id, :child_name
+# frozen_string_literal: true
 
-  has_many :permissions
+module Api
+  module Admin
+    class EnterpriseRelationshipSerializer < ActiveModel::Serializer
+      attributes :id, :parent_id, :parent_name, :child_id, :child_name
 
-  def parent_name
-    object.parent.name
-  end
+      has_many :permissions
 
-  def child_name
-    object.child.name
+      def parent_name
+        object.parent.name
+      end
+
+      def child_name
+        object.child.name
+      end
+    end
   end
 end

app/serializers/api/admin/enterprise_role_serializer.rb

@@ -1,11 +1,17 @@
-class Api::Admin::EnterpriseRoleSerializer < ActiveModel::Serializer
-  attributes :id, :user_id, :enterprise_id, :user_email, :enterprise_name
+# frozen_string_literal: true
 
-  def user_email
-    object.user.email
-  end
+module Api
+  module Admin
+    class EnterpriseRoleSerializer < ActiveModel::Serializer
+      attributes :id, :user_id, :enterprise_id, :user_email, :enterprise_name
 
-  def enterprise_name
-    object.enterprise.name
+      def user_email
+        object.user.email
+      end
+
+      def enterprise_name
+        object.enterprise.name
+      end
+    end
   end
 end

app/serializers/api/admin/enterprise_serializer.rb

@@ -1,77 +1,92 @@
-class Api::Admin::EnterpriseSerializer < ActiveModel::Serializer
-  attributes :name, :id, :is_primary_producer, :is_distributor, :sells, :category, :permalink,
-             :payment_method_ids, :shipping_method_ids, :producer_profile_only, :long_description,
-             :preferred_shopfront_message, :preferred_shopfront_closed_message,
-             :preferred_shopfront_taxon_order, :preferred_shopfront_order_cycle_order,
-             :preferred_product_selection_from_inventory_only,
-             :preferred_show_customer_names_to_suppliers, :owner, :contact, :users, :tag_groups,
-             :default_tag_group, :require_login, :allow_guest_orders, :allow_order_changes,
-             :logo, :promo_image, :terms_and_conditions, :terms_and_conditions_file_name
+# frozen_string_literal: true
 
-  has_one :owner, serializer: Api::Admin::UserSerializer
-  has_many :users, serializer: Api::Admin::UserSerializer
-  has_one :address, serializer: Api::AddressSerializer
+module Api
+  module Admin
+    class EnterpriseSerializer < ActiveModel::Serializer
+      attributes :name, :id, :is_primary_producer, :is_distributor, :sells, :category, :permalink,
+                 :payment_method_ids, :shipping_method_ids, :producer_profile_only,
+                 :long_description, :preferred_product_selection_from_inventory_only,
+                 :preferred_shopfront_message, :preferred_shopfront_closed_message,
+                 :preferred_shopfront_taxon_order, :preferred_shopfront_order_cycle_order,
+                 :preferred_show_customer_names_to_suppliers, :owner, :contact, :users, :tag_groups,
+                 :default_tag_group, :require_login, :allow_guest_orders, :allow_order_changes,
+                 :logo, :promo_image, :terms_and_conditions,
+                 :terms_and_conditions_file_name, :terms_and_conditions_updated_at
 
-  def logo
-    attachment_urls(object.logo, [:thumb, :small, :medium])
-  end
+      has_one :owner, serializer: Api::Admin::UserSerializer
+      has_many :users, serializer: Api::Admin::UserSerializer
+      has_one :address, serializer: Api::AddressSerializer
 
-  def promo_image
-    attachment_urls(object.promo_image, [:thumb, :medium, :large])
-  end
-
-  def terms_and_conditions
-    return unless @object.terms_and_conditions.file?
-
-    @object.terms_and_conditions.url
-  end
-
-  def tag_groups
-    object.tag_rules.prioritised.reject(&:is_default).each_with_object([]) do |tag_rule, tag_groups|
-      tag_group = find_match(tag_groups, tag_rule.preferred_customer_tags.
-                                           split(",").
-                                           map{ |t| { text: t } })
-      if tag_group[:rules].blank?
-        tag_groups << tag_group
-        tag_group[:position] = tag_groups.count
+      def logo
+        attachment_urls(object.logo, [:thumb, :small, :medium])
       end
-      tag_group[:rules] << Api::Admin::TagRuleSerializer.new(tag_rule).serializable_hash
-    end
-  end
 
-  def default_tag_group
-    default_rules = object.tag_rules.select(&:is_default)
-    serialized_rules =
-      ActiveModel::ArraySerializer.new(default_rules,
-                                       each_serializer: Api::Admin::TagRuleSerializer)
-    { tags: [], rules: serialized_rules }
-  end
+      def promo_image
+        attachment_urls(object.promo_image, [:thumb, :medium, :large])
+      end
 
-  def find_match(tag_groups, tags)
-    tag_groups.each do |tag_group|
-      return tag_group if tag_group[:tags].length == tags.length &&
-                          (tag_group[:tags] & tags) == tag_group[:tags]
-    end
-    { tags: tags, rules: [] }
-  end
+      def terms_and_conditions
+        return unless object.terms_and_conditions.file?
 
-  private
+        object.terms_and_conditions.url
+      end
 
-  # Returns a hash of URLs for specified versions of an attachment.
-  #
-  # Example:
-  #
-  #   attachment_urls(object.logo, [:thumb, :small, :medium])
-  #   # {
-  #   #   thumb: LOGO_THUMB_URL,
-  #   #   small: LOGO_SMALL_URL,
-  #   #   medium: LOGO_MEDIUM_URL
-  #   # }
-  def attachment_urls(attachment, versions)
-    return unless attachment.file?
+      def terms_and_conditions_updated_at
+        object.terms_and_conditions_updated_at&.to_s
+      end
 
-    versions.each_with_object({}) do |version, urls|
-      urls[version] = attachment.url(version)
+      def tag_groups
+        prioritized_tag_rules.each_with_object([]) do |tag_rule, tag_groups|
+          tag_group = find_match(tag_groups, tag_rule.preferred_customer_tags.
+                                               split(",").
+                                               map{ |t| { text: t } })
+          if tag_group[:rules].blank?
+            tag_groups << tag_group
+            tag_group[:position] = tag_groups.count
+          end
+          tag_group[:rules] << Api::Admin::TagRuleSerializer.new(tag_rule).serializable_hash
+        end
+      end
+
+      def default_tag_group
+        default_rules = object.tag_rules.select(&:is_default)
+        serialized_rules =
+          ActiveModel::ArraySerializer.new(default_rules,
+                                           each_serializer: Api::Admin::TagRuleSerializer)
+        { tags: [], rules: serialized_rules }
+      end
+
+      def find_match(tag_groups, tags)
+        tag_groups.each do |tag_group|
+          return tag_group if tag_group[:tags].length == tags.length &&
+                              (tag_group[:tags] & tags) == tag_group[:tags]
+        end
+        { tags: tags, rules: [] }
+      end
+
+      private
+
+      def prioritized_tag_rules
+        object.tag_rules.prioritised.reject(&:is_default)
+      end
+
+      # Returns a hash of URLs for specified versions of an attachment.
+      #
+      # Example:
+      #
+      #   attachment_urls(object.logo, [:thumb, :small, :medium])
+      #   # {
+      #   #   thumb: LOGO_THUMB_URL,
+      #   #   small: LOGO_SMALL_URL,
+      #   #   medium: LOGO_MEDIUM_URL
+      #   # }
+      def attachment_urls(attachment, versions)
+        return unless attachment.file?
+
+        versions.each_with_object({}) do |version, urls|
+          urls[version] = attachment.url(version)
+        end
+      end
     end
   end
 end

app/serializers/api/admin/exchange_serializer.rb

@@ -1,48 +1,54 @@
-class Api::Admin::ExchangeSerializer < ActiveModel::Serializer
-  attributes :id, :sender_id, :receiver_id, :incoming, :variants,
-             :receival_instructions, :pickup_time, :pickup_instructions,
-             :tags, :tag_list
+# frozen_string_literal: true
 
-  has_many :enterprise_fees, serializer: Api::Admin::BasicEnterpriseFeeSerializer
+module Api
+  module Admin
+    class ExchangeSerializer < ActiveModel::Serializer
+      attributes :id, :sender_id, :receiver_id, :incoming, :variants,
+                 :receival_instructions, :pickup_time, :pickup_instructions,
+                 :tags, :tag_list
 
-  def variants
-    variants = object.incoming? ? visible_incoming_variants : visible_outgoing_variants
-    Hash[object.variants.merge(variants).map { |v| [v.id, true] }]
-  end
+      has_many :enterprise_fees, serializer: Api::Admin::BasicEnterpriseFeeSerializer
 
-  private
+      def variants
+        variants = object.incoming? ? visible_incoming_variants : visible_outgoing_variants
+        Hash[object.variants.merge(variants).map { |v| [v.id, true] }]
+      end
 
-  def visible_incoming_variants
-    if object.order_cycle.prefers_product_selection_from_coordinator_inventory_only?
-      permitted_incoming_variants.visible_for(object.order_cycle.coordinator)
-    else
-      permitted_incoming_variants
+      private
+
+      def visible_incoming_variants
+        if object.order_cycle.prefers_product_selection_from_coordinator_inventory_only?
+          permitted_incoming_variants.visible_for(object.order_cycle.coordinator)
+        else
+          permitted_incoming_variants
+        end
+      end
+
+      def visible_outgoing_variants
+        if object.receiver.prefers_product_selection_from_inventory_only?
+          permitted_outgoing_variants.visible_for(object.receiver)
+        else
+          permitted_outgoing_variants.not_hidden_for(object.receiver)
+        end
+      end
+
+      def permitted_incoming_variants
+        OpenFoodNetwork::OrderCyclePermissions.new(options[:current_user], object.order_cycle).
+          visible_variants_for_incoming_exchanges_from(object.sender)
+      end
+
+      def permitted_outgoing_variants
+        OpenFoodNetwork::OrderCyclePermissions.new(options[:current_user], object.order_cycle)
+          .visible_variants_for_outgoing_exchanges_to(object.receiver)
+      end
+
+      def tag_list
+        object.tag_list.join(",")
+      end
+
+      def tags
+        object.tag_list.map{ |t| { text: t } }
+      end
     end
   end
-
-  def visible_outgoing_variants
-    if object.receiver.prefers_product_selection_from_inventory_only?
-      permitted_outgoing_variants.visible_for(object.receiver)
-    else
-      permitted_outgoing_variants.not_hidden_for(object.receiver)
-    end
-  end
-
-  def permitted_incoming_variants
-    OpenFoodNetwork::OrderCyclePermissions.new(options[:current_user], object.order_cycle).
-      visible_variants_for_incoming_exchanges_from(object.sender)
-  end
-
-  def permitted_outgoing_variants
-    OpenFoodNetwork::OrderCyclePermissions.new(options[:current_user], object.order_cycle)
-      .visible_variants_for_outgoing_exchanges_to(object.receiver)
-  end
-
-  def tag_list
-    object.tag_list.join(",")
-  end
-
-  def tags
-    object.tag_list.map{ |t| { text: t } }
-  end
 end

app/serializers/api/admin/for_order_cycle/enterprise_serializer.rb

@@ -1,46 +1,54 @@
+# frozen_string_literal: true
+
 require 'open_food_network/enterprise_issue_validator'
 
-class Api::Admin::ForOrderCycle::EnterpriseSerializer < ActiveModel::Serializer
-  attributes :id, :name, :managed,
-             :issues_summary_supplier, :issues_summary_distributor,
-             :is_primary_producer, :is_distributor, :sells
+module Api
+  module Admin
+    module ForOrderCycle
+      class EnterpriseSerializer < ActiveModel::Serializer
+        attributes :id, :name, :managed,
+                   :issues_summary_supplier, :issues_summary_distributor,
+                   :is_primary_producer, :is_distributor, :sells
 
-  def issues_summary_supplier
-    issues =
-      OpenFoodNetwork::EnterpriseIssueValidator.
-        new(object).
-        issues_summary(confirmation_only: true)
+        def issues_summary_supplier
+          issues =
+            OpenFoodNetwork::EnterpriseIssueValidator.
+              new(object).
+              issues_summary(confirmation_only: true)
 
-    if issues.nil? && products.empty?
-      issues = "no products in inventory"
+          if issues.nil? && products.empty?
+            issues = "no products in inventory"
+          end
+          issues
+        end
+
+        def issues_summary_distributor
+          OpenFoodNetwork::EnterpriseIssueValidator.new(object).issues_summary
+        end
+
+        def managed
+          Enterprise.managed_by(options[:spree_current_user]).include? object
+        end
+
+        private
+
+        def products_scope
+          products_relation = object.supplied_products
+          if order_cycle.prefers_product_selection_from_coordinator_inventory_only?
+            products_relation = products_relation.
+              visible_for(order_cycle.coordinator)
+          end
+          products_relation
+        end
+
+        def products
+          @products ||= products_scope
+        end
+
+        def order_cycle
+          options[:order_cycle]
+        end
+      end
     end
-    issues
-  end
-
-  def issues_summary_distributor
-    OpenFoodNetwork::EnterpriseIssueValidator.new(object).issues_summary
-  end
-
-  def managed
-    Enterprise.managed_by(options[:spree_current_user]).include? object
-  end
-
-  private
-
-  def products_scope
-    products_relation = object.supplied_products
-    if order_cycle.prefers_product_selection_from_coordinator_inventory_only?
-      products_relation = products_relation.
-        visible_for(order_cycle.coordinator)
-    end
-    products_relation
-  end
-
-  def products
-    @products ||= products_scope
-  end
-
-  def order_cycle
-    options[:order_cycle]
   end
 end

app/serializers/api/admin/for_order_cycle/supplied_product_serializer.rb

@@ -1,31 +1,39 @@
-class Api::Admin::ForOrderCycle::SuppliedProductSerializer < ActiveModel::Serializer
-  attributes :name, :supplier_name, :image_url, :master_id, :variants
+# frozen_string_literal: true
 
-  def supplier_name
-    object.supplier.andand.name
-  end
+module Api
+  module Admin
+    module ForOrderCycle
+      class SuppliedProductSerializer < ActiveModel::Serializer
+        attributes :name, :supplier_name, :image_url, :master_id, :variants
 
-  def image_url
-    object.images.present? ? object.images.first.attachment.url(:mini) : nil
-  end
+        def supplier_name
+          object.supplier.andand.name
+        end
 
-  def master_id
-    object.master.id
-  end
+        def image_url
+          object.images.present? ? object.images.first.attachment.url(:mini) : nil
+        end
 
-  def variants
-    variants = if order_cycle.present? &&
-                  order_cycle.prefers_product_selection_from_coordinator_inventory_only?
-                 object.variants.visible_for(order_cycle.coordinator)
-               else
-                 object.variants
-               end
-    variants.map { |variant| { id: variant.id, label: variant.full_name } }
-  end
+        def master_id
+          object.master.id
+        end
 
-  private
+        def variants
+          variants = if order_cycle.present? &&
+                        order_cycle.prefers_product_selection_from_coordinator_inventory_only?
+                       object.variants.visible_for(order_cycle.coordinator)
+                     else
+                       object.variants
+                     end
+          variants.map { |variant| { id: variant.id, label: variant.full_name } }
+        end
 
-  def order_cycle
-    options[:order_cycle]
+        private
+
+        def order_cycle
+          options[:order_cycle]
+        end
+      end
+    end
   end
 end

app/serializers/api/admin/id_email_serializer.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Api
   module Admin
     class IdEmailSerializer < ActiveModel::Serializer

app/serializers/api/admin/id_name_serializer.rb

@@ -1,3 +1,9 @@
-class Api::Admin::IdNameSerializer < ActiveModel::Serializer
-  attributes :id, :name
+# frozen_string_literal: true
+
+module Api
+  module Admin
+    class IdNameSerializer < ActiveModel::Serializer
+      attributes :id, :name
+    end
+  end
 end

app/serializers/api/admin/id_serializer.rb

@@ -1,3 +1,9 @@
-class Api::Admin::IdSerializer < ActiveModel::Serializer
-  attributes :id
+# frozen_string_literal: true
+
+module Api
+  module Admin
+    class IdSerializer < ActiveModel::Serializer
+      attributes :id
+    end
+  end
 end

app/serializers/api/admin/index_enterprise_serializer.rb

@@ -1,24 +1,30 @@
+# frozen_string_literal: true
+
 require 'open_food_network/enterprise_issue_validator'
 
-class Api::Admin::IndexEnterpriseSerializer < ActiveModel::Serializer
-  attributes :name, :id, :permalink, :is_primary_producer, :sells, :producer_profile_only, :owned,
-             :edit_path, :issues, :warnings
+module Api
+  module Admin
+    class IndexEnterpriseSerializer < ActiveModel::Serializer
+      attributes :name, :id, :permalink, :is_primary_producer, :sells,
+                 :producer_profile_only, :owned, :edit_path, :issues, :warnings
 
-  def owned
-    return true if options[:spree_current_user].admin?
+      def owned
+        return true if options[:spree_current_user].admin?
 
-    object.owner == options[:spree_current_user]
-  end
+        object.owner == options[:spree_current_user]
+      end
 
-  def edit_path
-    edit_admin_enterprise_path(object)
-  end
+      def edit_path
+        edit_admin_enterprise_path(object)
+      end
 
-  def issues
-    OpenFoodNetwork::EnterpriseIssueValidator.new(object).issues
-  end
+      def issues
+        OpenFoodNetwork::EnterpriseIssueValidator.new(object).issues
+      end
 
-  def warnings
-    OpenFoodNetwork::EnterpriseIssueValidator.new(object).warnings
+      def warnings
+        OpenFoodNetwork::EnterpriseIssueValidator.new(object).warnings
+      end
+    end
   end
 end

app/serializers/api/admin/index_order_cycle_serializer.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'open_food_network/order_cycle_permissions'
 
 module Api

app/serializers/api/admin/inventory_item_serializer.rb

@@ -1,3 +1,9 @@
-class Api::Admin::InventoryItemSerializer < ActiveModel::Serializer
-  attributes :id, :enterprise_id, :variant_id, :visible
+# frozen_string_literal: true
+
+module Api
+  module Admin
+    class InventoryItemSerializer < ActiveModel::Serializer
+      attributes :id, :enterprise_id, :variant_id, :visible
+    end
+  end
 end

app/serializers/api/admin/line_item_serializer.rb

@@ -1,29 +1,35 @@
-class Api::Admin::LineItemSerializer < ActiveModel::Serializer
-  attributes :id, :quantity, :max_quantity, :price, :supplier, :final_weight_volume,
-             :units_product, :units_variant
+# frozen_string_literal: true
 
-  has_one :order, serializer: Api::Admin::IdSerializer
+module Api
+  module Admin
+    class LineItemSerializer < ActiveModel::Serializer
+      attributes :id, :quantity, :max_quantity, :price, :supplier, :final_weight_volume,
+                 :units_product, :units_variant
 
-  def supplier
-    { id: object.product.supplier_id }
-  end
+      has_one :order, serializer: Api::Admin::IdSerializer
 
-  def units_product
-    Api::Admin::UnitsProductSerializer.new(object.product).serializable_hash
-  end
+      def supplier
+        { id: object.product.supplier_id }
+      end
 
-  def units_variant
-    Api::Admin::UnitsVariantSerializer.new(object.variant).serializable_hash
-  end
+      def units_product
+        Api::Admin::UnitsProductSerializer.new(object.product).serializable_hash
+      end
 
-  def final_weight_volume
-    object.final_weight_volume.to_f
-  end
+      def units_variant
+        Api::Admin::UnitsVariantSerializer.new(object.variant).serializable_hash
+      end
 
-  def max_quantity
-    return object.quantity unless object.max_quantity.present? &&
-                                  object.max_quantity > object.quantity
+      def final_weight_volume
+        object.final_weight_volume.to_f
+      end
 
-    object.max_quantity
+      def max_quantity
+        return object.quantity unless object.max_quantity.present? &&
+                                      object.max_quantity > object.quantity
+
+        object.max_quantity
+      end
+    end
   end
 end

app/serializers/api/admin/order_cycle_serializer.rb

@@ -1,88 +1,95 @@
+# frozen_string_literal: true
+
 require 'open_food_network/order_cycle_permissions'
 
-class Api::Admin::OrderCycleSerializer < ActiveModel::Serializer
-  attributes :id, :name, :orders_open_at, :orders_close_at, :coordinator_id, :exchanges,
-             :editable_variants_for_incoming_exchanges, :editable_variants_for_outgoing_exchanges,
-             :visible_variants_for_outgoing_exchanges,
-             :viewing_as_coordinator, :schedule_ids, :subscriptions_count
+module Api
+  module Admin
+    class OrderCycleSerializer < ActiveModel::Serializer
+      attributes :id, :name, :orders_open_at, :orders_close_at, :coordinator_id, :exchanges,
+                 :editable_variants_for_incoming_exchanges,
+                 :editable_variants_for_outgoing_exchanges,
+                 :visible_variants_for_outgoing_exchanges,
+                 :viewing_as_coordinator, :schedule_ids, :subscriptions_count
 
-  has_many :coordinator_fees, serializer: Api::IdSerializer
+      has_many :coordinator_fees, serializer: Api::IdSerializer
 
-  def orders_open_at
-    object.orders_open_at.to_s
-  end
+      def orders_open_at
+        object.orders_open_at.to_s
+      end
 
-  def orders_close_at
-    object.orders_close_at.to_s
-  end
+      def orders_close_at
+        object.orders_close_at.to_s
+      end
 
-  def viewing_as_coordinator
-    Enterprise.managed_by(options[:current_user]).include? object.coordinator
-  end
+      def viewing_as_coordinator
+        Enterprise.managed_by(options[:current_user]).include? object.coordinator
+      end
 
-  def subscriptions_count
-    ProxyOrder.not_canceled.where(order_cycle_id: object.id).count
-  end
+      def subscriptions_count
+        ProxyOrder.not_canceled.where(order_cycle_id: object.id).count
+      end
 
-  def exchanges
-    scoped_exchanges = permissions.visible_exchanges.by_enterprise_name
+      def exchanges
+        scoped_exchanges = permissions.visible_exchanges.by_enterprise_name
 
-    ActiveModel::ArraySerializer.
-      new(scoped_exchanges, each_serializer: Api::Admin::ExchangeSerializer,
-                            current_user: options[:current_user])
-  end
+        ActiveModel::ArraySerializer.
+          new(scoped_exchanges, each_serializer: Api::Admin::ExchangeSerializer,
+                                current_user: options[:current_user])
+      end
 
-  def editable_variants_for_incoming_exchanges
-    variant_ids_by_supplier_id(permissions.all_incoming_editable_variants.all)
-  end
+      def editable_variants_for_incoming_exchanges
+        variant_ids_by_supplier_id(permissions.all_incoming_editable_variants.all)
+      end
 
-  def editable_variants_for_outgoing_exchanges
-    # For each enterprise that the current user is able to see in this order cycle,
-    # work out which variants should be editable within incoming exchanges from that enterprise
-    editable = {}
-    visible_enterprises.each do |enterprise|
-      variants = permissions.editable_variants_for_outgoing_exchanges_to(enterprise).pluck(:id)
-      editable[enterprise.id] = variants if variants.any?
-    end
-    editable
-  end
+      def editable_variants_for_outgoing_exchanges
+        # For each enterprise that the current user is able to see in this order cycle,
+        # work out which variants should be editable within incoming exchanges from that enterprise
+        editable = {}
+        visible_enterprises.each do |enterprise|
+          variants = permissions.editable_variants_for_outgoing_exchanges_to(enterprise).pluck(:id)
+          editable[enterprise.id] = variants if variants.any?
+        end
+        editable
+      end
 
-  def visible_variants_for_outgoing_exchanges
-    # For each enterprise that the current user is able to see in this order cycle,
-    # work out which variants should be visible within outgoing exchanges from that enterprise
-    visible = {}
-    visible_enterprises.each do |enterprise|
-      # This is hopefully a temporary measure, pending the arrival of multiple named inventories
-      # for shops. We need this here to allow hubs to restrict visible variants to only those in
-      # their inventory if they so choose
-      variants = if enterprise.prefers_product_selection_from_inventory_only?
-                   permissions.
-                     visible_variants_for_outgoing_exchanges_to(enterprise).
-                     visible_for(enterprise)
-                 else
-                   permissions.
-                     visible_variants_for_outgoing_exchanges_to(enterprise).
-                     not_hidden_for(enterprise)
-                 end.pluck(:id)
-      visible[enterprise.id] = variants if variants.any?
-    end
-    visible
-  end
+      def visible_variants_for_outgoing_exchanges
+        # For each enterprise that the current user is able to see in this order cycle,
+        # work out which variants should be visible within outgoing exchanges from that enterprise
+        visible = {}
+        visible_enterprises.each do |enterprise|
+          # This is hopefully a temporary measure, pending the arrival of multiple named inventories
+          # for shops. We need this here to allow hubs to restrict visible variants to only those in
+          # their inventory if they so choose
+          variants = if enterprise.prefers_product_selection_from_inventory_only?
+                       permissions.
+                         visible_variants_for_outgoing_exchanges_to(enterprise).
+                         visible_for(enterprise)
+                     else
+                       permissions.
+                         visible_variants_for_outgoing_exchanges_to(enterprise).
+                         not_hidden_for(enterprise)
+                     end.pluck(:id)
+          visible[enterprise.id] = variants if variants.any?
+        end
+        visible
+      end
 
-  private
+      private
 
-  def permissions
-    @permissions ||= OpenFoodNetwork::OrderCyclePermissions.new(options[:current_user], object)
-  end
+      def permissions
+        @permissions ||= OpenFoodNetwork::OrderCyclePermissions.new(options[:current_user], object)
+      end
 
-  def visible_enterprises
-    @visible_enterprises ||= permissions.visible_enterprises
-  end
+      def visible_enterprises
+        @visible_enterprises ||= permissions.visible_enterprises
+      end
 
-  def variant_ids_by_supplier_id(variants)
-    grouped_by_supplier = variants.group_by(&:supplier_id)
-    grouped_by_supplier.each do |supplier_id, grouped_variants|
-      grouped_by_supplier[supplier_id] = grouped_variants.map(&:id)
+      def variant_ids_by_supplier_id(variants)
+        grouped_by_supplier = variants.group_by(&:supplier_id)
+        grouped_by_supplier.each do |supplier_id, grouped_variants|
+          grouped_by_supplier[supplier_id] = grouped_variants.map(&:id)
+        end
+      end
     end
   end
 end

app/serializers/api/admin/order_serializer.rb

@@ -1,71 +1,77 @@
-class Api::Admin::OrderSerializer < ActiveModel::Serializer
-  attributes :id, :number, :user_id, :full_name, :email, :phone, :completed_at, :display_total,
-             :edit_path, :state, :payment_state, :shipment_state,
-             :payments_path, :ready_to_ship, :ready_to_capture, :created_at,
-             :distributor_name, :special_instructions,
-             :item_total, :adjustment_total, :payment_total, :total, :display_outstanding_balance
+# frozen_string_literal: true
 
-  has_one :distributor, serializer: Api::Admin::IdSerializer
-  has_one :order_cycle, serializer: Api::Admin::IdSerializer
+module Api
+  module Admin
+    class OrderSerializer < ActiveModel::Serializer
+      attributes :id, :number, :user_id, :full_name, :email, :phone, :completed_at, :display_total,
+                 :edit_path, :state, :payment_state, :shipment_state,
+                 :payments_path, :ready_to_ship, :ready_to_capture, :created_at,
+                 :distributor_name, :special_instructions, :display_outstanding_balance,
+                 :item_total, :adjustment_total, :payment_total, :total
 
-  def full_name
-    object.billing_address.nil? ? "" : ( object.billing_address.full_name || "" )
-  end
+      has_one :distributor, serializer: Api::Admin::IdSerializer
+      has_one :order_cycle, serializer: Api::Admin::IdSerializer
 
-  def distributor_name
-    object.distributor.andand.name
-  end
+      def full_name
+        object.billing_address.nil? ? "" : ( object.billing_address.full_name || "" )
+      end
 
-  def display_outstanding_balance
-    return "" if object.outstanding_balance.zero?
+      def distributor_name
+        object.distributor.andand.name
+      end
 
-    object.display_outstanding_balance.to_s
-  end
+      def display_outstanding_balance
+        return "" if object.outstanding_balance.zero?
 
-  def edit_path
-    return '' unless object.id
+        object.display_outstanding_balance.to_s
+      end
 
-    spree_routes_helper.edit_admin_order_path(object)
-  end
+      def edit_path
+        return '' unless object.id
 
-  def payments_path
-    return '' unless object.payment_state
+        spree_routes_helper.edit_admin_order_path(object)
+      end
 
-    spree_routes_helper.admin_order_payments_path(object)
-  end
+      def payments_path
+        return '' unless object.payment_state
 
-  def ready_to_capture
-    pending_payment = object.pending_payments.first
-    object.payment_required? && pending_payment
-  end
+        spree_routes_helper.admin_order_payments_path(object)
+      end
 
-  def ready_to_ship
-    object.ready_to_ship?
-  end
+      def ready_to_capture
+        pending_payment = object.pending_payments.first
+        object.payment_required? && pending_payment
+      end
 
-  def display_total
-    object.display_total.to_html
-  end
+      def ready_to_ship
+        object.ready_to_ship?
+      end
 
-  def email
-    object.email || ""
-  end
+      def display_total
+        object.display_total.to_html
+      end
 
-  def phone
-    object.billing_address.nil? ? "a" : ( object.billing_address.phone || "" )
-  end
+      def email
+        object.email || ""
+      end
 
-  def created_at
-    object.created_at.blank? ? "" : I18n.l(object.created_at, format: '%B %d, %Y')
-  end
+      def phone
+        object.billing_address.nil? ? "a" : ( object.billing_address.phone || "" )
+      end
 
-  def completed_at
-    object.completed_at.blank? ? "" : I18n.l(object.completed_at, format: '%B %d, %Y')
-  end
+      def created_at
+        object.created_at.blank? ? "" : I18n.l(object.created_at, format: '%B %d, %Y')
+      end
 
-  private
+      def completed_at
+        object.completed_at.blank? ? "" : I18n.l(object.completed_at, format: '%B %d, %Y')
+      end
 
-  def spree_routes_helper
-    Spree::Core::Engine.routes.url_helpers
+      private
+
+      def spree_routes_helper
+        Spree::Core::Engine.routes.url_helpers
+      end
+    end
   end
 end

app/serializers/api/admin/payment_method/base_serializer.rb

@@ -1,13 +1,19 @@
-module Api::Admin::PaymentMethod
-  class BaseSerializer < ActiveModel::Serializer
-    attributes :id, :name, :type, :tag_list, :tags
+# frozen_string_literal: true
 
-    def tag_list
-      object.tag_list.join(",")
-    end
+module Api
+  module Admin
+    module PaymentMethod
+      class BaseSerializer < ActiveModel::Serializer
+        attributes :id, :name, :type, :tag_list, :tags
 
-    def tags
-      object.tag_list.map{ |t| { text: t } }
+        def tag_list
+          object.tag_list.join(",")
+        end
+
+        def tags
+          object.tag_list.map{ |t| { text: t } }
+        end
+      end
     end
   end
 end

app/serializers/api/admin/payment_method/stripe_serializer.rb

@@ -1,5 +1,11 @@
-module Api::Admin::PaymentMethod
-  class StripeSerializer < BaseSerializer
-    attributes :preferred_enterprise_id
+# frozen_string_literal: true
+
+module Api
+  module Admin
+    module PaymentMethod
+      class StripeSerializer < BaseSerializer
+        attributes :preferred_enterprise_id
+      end
+    end
   end
 end

app/serializers/api/admin/payment_method_serializer.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Api
   module Admin
     class PaymentMethodSerializer < ActiveModel::Serializer

app/serializers/api/admin/product_serializer.rb

@@ -1,44 +1,50 @@
-class Api::Admin::ProductSerializer < ActiveModel::Serializer
-  attributes :id, :name, :sku, :variant_unit, :variant_unit_scale, :variant_unit_name,
-             :inherits_properties, :on_hand, :price, :available_on, :permalink_live,
-             :tax_category_id, :import_date, :image_url, :thumb_url
+# frozen_string_literal: true
 
-  has_one :supplier, key: :producer_id, embed: :id
-  has_one :primary_taxon, key: :category_id, embed: :id
-  has_many :variants, key: :variants, serializer: Api::Admin::VariantSerializer
-  has_one :master, serializer: Api::Admin::VariantSerializer
+module Api
+  module Admin
+    class ProductSerializer < ActiveModel::Serializer
+      attributes :id, :name, :sku, :variant_unit, :variant_unit_scale, :variant_unit_name,
+                 :inherits_properties, :on_hand, :price, :available_on, :permalink_live,
+                 :tax_category_id, :import_date, :image_url, :thumb_url
 
-  def image_url
-    if object.images.present?
-      object.images.first.attachment.url(:product)
-    else
-      "/noimage/product.png"
+      has_one :supplier, key: :producer_id, embed: :id
+      has_one :primary_taxon, key: :category_id, embed: :id
+      has_many :variants, key: :variants, serializer: Api::Admin::VariantSerializer
+      has_one :master, serializer: Api::Admin::VariantSerializer
+
+      def image_url
+        if object.images.present?
+          object.images.first.attachment.url(:product)
+        else
+          "/noimage/product.png"
+        end
+      end
+
+      def thumb_url
+        if object.images.present?
+          object.images.first.attachment.url(:mini)
+        else
+          "/noimage/mini.png"
+        end
+      end
+
+      def on_hand
+        return 0 if object.on_hand.nil?
+
+        object.on_hand
+      end
+
+      def price
+        object.price.nil? ? '0.0' : object.price
+      end
+
+      def available_on
+        object.available_on.blank? ? "" : object.available_on.strftime("%F %T")
+      end
+
+      def permalink_live
+        object.permalink
+      end
     end
   end
-
-  def thumb_url
-    if object.images.present?
-      object.images.first.attachment.url(:mini)
-    else
-      "/noimage/mini.png"
-    end
-  end
-
-  def on_hand
-    return 0 if object.on_hand.nil?
-
-    object.on_hand
-  end
-
-  def price
-    object.price.nil? ? '0.0' : object.price
-  end
-
-  def available_on
-    object.available_on.blank? ? "" : object.available_on.strftime("%F %T")
-  end
-
-  def permalink_live
-    object.permalink
-  end
 end

app/serializers/api/admin/proxy_order_serializer.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Api
   module Admin
     class ProxyOrderSerializer < ActiveModel::Serializer

app/serializers/api/admin/schedule_serializer.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Api
   module Admin
     class ScheduleSerializer < ActiveModel::Serializer

app/serializers/api/admin/shipping_method_serializer.rb

@@ -1,11 +1,17 @@
-class Api::Admin::ShippingMethodSerializer < ActiveModel::Serializer
-  attributes :id, :name, :tag_list, :tags
+# frozen_string_literal: true
 
-  def tag_list
-    object.tag_list.join(",")
-  end
+module Api
+  module Admin
+    class ShippingMethodSerializer < ActiveModel::Serializer
+      attributes :id, :name, :tag_list, :tags
 
-  def tags
-    object.tag_list.map{ |t| { text: t } }
+      def tag_list
+        object.tag_list.join(",")
+      end
+
+      def tags
+        object.tag_list.map{ |t| { text: t } }
+      end
+    end
   end
 end

app/serializers/api/admin/subscription_customer_serializer.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Api
   module Admin
     # Used by admin subscription form

app/serializers/api/admin/subscription_line_item_serializer.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Api
   module Admin
     class SubscriptionLineItemSerializer < ActiveModel::Serializer

app/serializers/api/admin/subscription_serializer.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Api
   module Admin
     class SubscriptionSerializer < ActiveModel::Serializer

app/serializers/api/admin/tag_rule_serializer.rb

@@ -1,51 +1,63 @@
-class Api::Admin::TagRuleSerializer < ActiveModel::Serializer
-  delegate :serializable_hash, to: :rule_specific_serializer
+# frozen_string_literal: true
 
-  def rule_specific_serializer
-    "Api::Admin::#{object.class}Serializer".constantize.new(object)
-  end
-end
+module Api
+  module Admin
+    class TagRuleSerializer < ActiveModel::Serializer
+      delegate :serializable_hash, to: :rule_specific_serializer
 
-module Api::Admin::TagRule
-  class BaseSerializer < ActiveModel::Serializer
-    attributes :id, :enterprise_id, :type, :is_default, :preferred_customer_tags
-  end
-
-  class DiscountOrderSerializer < BaseSerializer
-    has_one :calculator, serializer: Api::Admin::Calculator::FlatPercentItemTotalSerializer
-  end
-
-  class FilterShippingMethodsSerializer < BaseSerializer
-    attributes :preferred_matched_shipping_methods_visibility, :preferred_shipping_method_tags,
-               :shipping_method_tags
-
-    def shipping_method_tags
-      object.preferred_shipping_method_tags.split(",")
-    end
-  end
-
-  class FilterPaymentMethodsSerializer < BaseSerializer
-    attributes :preferred_matched_payment_methods_visibility, :preferred_payment_method_tags,
-               :payment_method_tags
-
-    def payment_method_tags
-      object.preferred_payment_method_tags.split(",")
-    end
-  end
-
-  class FilterProductsSerializer < BaseSerializer
-    attributes :preferred_matched_variants_visibility, :preferred_variant_tags, :variant_tags
-
-    def variant_tags
-      object.preferred_variant_tags.split(",")
-    end
-  end
-
-  class FilterOrderCyclesSerializer < BaseSerializer
-    attributes :preferred_matched_order_cycles_visibility, :preferred_exchange_tags, :exchange_tags
-
-    def exchange_tags
-      object.preferred_exchange_tags.split(",")
+      def rule_specific_serializer
+        "Api::Admin::#{object.class}Serializer".constantize.new(object)
+      end
+    end
+  end
+end
+
+module Api
+  module Admin
+    module TagRule
+      class BaseSerializer < ActiveModel::Serializer
+        attributes :id, :enterprise_id, :type, :is_default, :preferred_customer_tags
+      end
+
+      class DiscountOrderSerializer < BaseSerializer
+        has_one :calculator, serializer: Api::Admin::Calculator::FlatPercentItemTotalSerializer
+      end
+
+      class FilterShippingMethodsSerializer < BaseSerializer
+        attributes :preferred_matched_shipping_methods_visibility, :preferred_shipping_method_tags,
+                   :shipping_method_tags
+
+        def shipping_method_tags
+          object.preferred_shipping_method_tags.split(",")
+        end
+      end
+
+      class FilterPaymentMethodsSerializer < BaseSerializer
+        attributes :preferred_matched_payment_methods_visibility, :preferred_payment_method_tags,
+                   :payment_method_tags
+
+        def payment_method_tags
+          object.preferred_payment_method_tags.split(",")
+        end
+      end
+
+      class FilterProductsSerializer < BaseSerializer
+        attributes :preferred_matched_variants_visibility, :preferred_variant_tags, :variant_tags
+
+        def variant_tags
+          object.preferred_variant_tags.split(",")
+        end
+      end
+
+      class FilterOrderCyclesSerializer < BaseSerializer
+        attributes :preferred_matched_order_cycles_visibility,
+                   :preferred_exchange_tags,
+                   :exchange_tags
+
+        def exchange_tags
+          object.preferred_exchange_tags.split(",")
+        end
+      end
     end
   end
 end

app/serializers/api/admin/tax_category_serializer.rb

@@ -1,3 +1,9 @@
-class Api::Admin::TaxCategorySerializer < ActiveModel::Serializer
-  attributes :id, :name
+# frozen_string_literal: true
+
+module Api
+  module Admin
+    class TaxCategorySerializer < ActiveModel::Serializer
+      attributes :id, :name
+    end
+  end
 end

app/serializers/api/admin/taxon_serializer.rb

@@ -1,3 +1,9 @@
-class Api::Admin::TaxonSerializer < ActiveModel::Serializer
-  attributes :id, :name, :pretty_name
+# frozen_string_literal: true
+
+module Api
+  module Admin
+    class TaxonSerializer < ActiveModel::Serializer
+      attributes :id, :name, :pretty_name
+    end
+  end
 end