Let people choose which payment methods are available to customers on order cycles

app/services/order_available_payment_methods.rb

@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+class OrderAvailablePaymentMethods
+  attr_reader :order, :customer
+
+  delegate :distributor,
+           :order_cycle,
+           to: :order
+
+  def initialize(order, customer = nil)
+    @order, @customer = order, customer
+  end
+
+  def to_a
+    return [] if distributor.blank?
+
+    payment_methods = payment_methods_before_tag_rules_applied
+
+    applicator = OpenFoodNetwork::TagRuleApplicator.new(distributor,
+                                                        "FilterPaymentMethods", customer&.tag_list)
+    applicator.filter!(payment_methods)
+
+    payment_methods.uniq
+  end
+
+  private
+
+  def payment_methods_before_tag_rules_applied
+    if order_cycle.nil? || order_cycle.simple?
+      distributor.payment_methods
+    else
+      distributor.payment_methods.where(
+        id: order_cycle.distributor_payment_methods.select(:payment_method_id)
+      )
+    end.available.select(&:configured?)
+  end
+end

app/services/order_cycle_form.rb

@@ -12,6 +12,9 @@ class OrderCycleForm
     @user = user
     @permissions = OpenFoodNetwork::Permissions.new(user)
     @schedule_ids = order_cycle_params.delete(:schedule_ids)
+    @selected_distributor_payment_method_ids = order_cycle_params.delete(
+      :selected_distributor_payment_method_ids
+    )
     @selected_distributor_shipping_method_ids = order_cycle_params.delete(
       :selected_distributor_shipping_method_ids
     )
@@ -27,6 +30,7 @@ class OrderCycleForm
       order_cycle.schedule_ids = schedule_ids if parameter_specified?(:schedule_ids)
       order_cycle.save!
       apply_exchange_changes
+      attach_selected_distributor_payment_methods
       attach_selected_distributor_shipping_methods
       sync_subscriptions
       true
@@ -49,16 +53,29 @@ class OrderCycleForm
     return if exchanges_unchanged?
 
     OpenFoodNetwork::OrderCycleFormApplicator.new(order_cycle, user).go!
+
+    # reload so outgoing exchanges are up-to-date for shipping/payment method validations
+    order_cycle.reload
+  end
+
+  def attach_selected_distributor_payment_methods
+    return if @selected_distributor_payment_method_ids.nil?
+
+    order_cycle.selected_distributor_payment_method_ids = selected_distributor_payment_method_ids
+    order_cycle.save!
   end
 
   def attach_selected_distributor_shipping_methods
     return if @selected_distributor_shipping_method_ids.nil?
 
-    order_cycle.reload # so outgoing exchanges are up-to-date for shipping method validations
     order_cycle.selected_distributor_shipping_method_ids = selected_distributor_shipping_method_ids
     order_cycle.save!
   end
 
+  def attachable_distributor_payment_method_ids
+    @attachable_distributor_payment_method_ids ||= order_cycle.attachable_distributor_payment_methods.map(&:id)
+  end
+
   def attachable_distributor_shipping_method_ids
     @attachable_distributor_shipping_method_ids ||= order_cycle.attachable_distributor_shipping_methods.map(&:id)
   end
@@ -69,6 +86,19 @@ class OrderCycleForm
     end
   end
 
+  def selected_distributor_payment_method_ids
+    @selected_distributor_payment_method_ids = (
+      attachable_distributor_payment_method_ids &
+      @selected_distributor_payment_method_ids.reject(&:blank?).map(&:to_i)
+    )
+
+    if attachable_distributor_payment_method_ids.sort == @selected_distributor_payment_method_ids.sort
+      @selected_distributor_payment_method_ids = []
+    end
+
+    @selected_distributor_payment_method_ids
+  end
+
   def selected_distributor_shipping_method_ids
     @selected_distributor_shipping_method_ids = (
       attachable_distributor_shipping_method_ids &

app/services/permitted_attributes/order_cycle.rb

@@ -17,7 +17,8 @@ module PermittedAttributes
         :name, :orders_open_at, :orders_close_at, :coordinator_id,
         :preferred_product_selection_from_coordinator_inventory_only,
         :automatic_notifications,
-        { schedule_ids: [], selected_distributor_shipping_method_ids: [], coordinator_fee_ids: [] }
+        { schedule_ids: [], selected_distributor_payment_method_ids: [],
+          selected_distributor_shipping_method_ids: [], coordinator_fee_ids: [] }
       ]
     end