Revert Complicated Rails/HasManyOrHasOneDependent Errors

app/models/enterprise.rb

@@ -43,26 +43,25 @@ class Enterprise < ApplicationRecord
                                foreign_key: 'supplier_id',
                                dependent: :destroy
   has_many :supplied_variants, through: :supplied_products, source: :variants
-  has_many :distributed_orders, class_name: 'Spree::Order', foreign_key: 'distributor_id',
-                                dependent: :nullify
+  has_many :distributed_orders, class_name: 'Spree::Order', foreign_key: 'distributor_id'
   belongs_to :address, class_name: 'Spree::Address'
   belongs_to :business_address, optional: true, class_name: 'Spree::Address', dependent: :destroy
-  has_many :enterprise_fees, dependent: :nullify
+  has_many :enterprise_fees
   has_many :enterprise_roles, dependent: :destroy
   has_many :users, through: :enterprise_roles
   belongs_to :owner, class_name: 'Spree::User',
                      inverse_of: :owned_enterprises
   has_many :distributor_payment_methods,
-           inverse_of: :distributor, foreign_key: :distributor_id, dependent: :destroy
+           inverse_of: :distributor, foreign_key: :distributor_id
   has_many :distributor_shipping_methods,
-           inverse_of: :distributor, foreign_key: :distributor_id, dependent: :destroy
+           inverse_of: :distributor, foreign_key: :distributor_id
   has_many :payment_methods, through: :distributor_payment_methods
   has_many :shipping_methods, through: :distributor_shipping_methods
   has_many :customers, dependent: :destroy
   has_many :inventory_items, dependent: :destroy
   has_many :tag_rules, dependent: :destroy
   has_one :stripe_account, dependent: :destroy
-  has_many :vouchers, dependent: :destroy
+  has_many :vouchers
   has_one :custom_tab, dependent: :destroy
 
   delegate :latitude, :longitude, :city, :state_name, to: :address

app/models/spree/address.rb

@@ -13,7 +13,7 @@ module Spree
     belongs_to :state, class_name: "Spree::State"
 
     has_one :enterprise, dependent: :restrict_with_exception
-    has_many :shipments, dependent: :nullify
+    has_many :shipments
 
     validates :address1, :city, :country, :phone, presence: true
     validates :company, presence: true, unless: -> { first_name.blank? || last_name.blank? }

app/models/spree/stock_item.rb

@@ -8,7 +8,7 @@ module Spree
 
     belongs_to :stock_location, class_name: 'Spree::StockLocation', inverse_of: :stock_items
     belongs_to :variant, -> { with_deleted }, class_name: 'Spree::Variant'
-    has_many :stock_movements, dependent: :delete_all # delete_all required to avoid ReadOnlyError
+    has_many :stock_movements
 
     validates :stock_location, :variant, presence: true
     validates :variant_id, uniqueness: { scope: [:stock_location_id, :deleted_at] }

app/models/spree/tax_rate.rb

@@ -21,7 +21,7 @@ module Spree
 
     belongs_to :zone, class_name: "Spree::Zone", inverse_of: :tax_rates
     belongs_to :tax_category, class_name: "Spree::TaxCategory", inverse_of: :tax_rates
-    has_many :adjustments, as: :originator, dependent: nil
+    has_many :adjustments, as: :originator
 
     validates :amount, presence: true, numericality: true
     validates :tax_category, presence: true

app/models/spree/variant.rb

@@ -33,8 +33,8 @@ module Spree
 
     delegate :name, :name=, :description, :description=, :meta_keywords, to: :product
 
-    has_many :inventory_units, inverse_of: :variant, dependent: nil
-    has_many :line_items, inverse_of: :variant, dependent: nil
+    has_many :inventory_units, inverse_of: :variant
+    has_many :line_items, inverse_of: :variant
 
     has_many :stock_items, dependent: :destroy, inverse_of: :variant
     has_many :stock_locations, through: :stock_items
@@ -54,7 +54,7 @@ module Spree
     delegate :display_price, :display_amount, :price, :price=, :currency, :currency=,
              to: :find_or_build_default_price
 
-    has_many :exchange_variants, dependent: :destroy
+    has_many :exchange_variants
     has_many :exchanges, through: :exchange_variants
     has_many :variant_overrides, dependent: :destroy
     has_many :inventory_items, dependent: :destroy