Add reverse_charge_status on store

Store model now has an enum for reverse_charge_status which let's user choose
whether it is enabled, disabled or not validated.

Author: JustShah

core/app/models/spree/store.rb

@@ -27,6 +27,12 @@ class Store < Spree::Base
     before_save :ensure_default_exists_and_is_unique
     before_destroy :validate_not_default
 
+    enum :reverse_charge_status, {
+      disabled: 0,
+      enabled: 1,
+      not_validated: 2
+    }, prefix: true
+
     def available_locales
       locales = super()
       if locales

core/config/locales/en.yml

@@ -2081,6 +2081,10 @@ en:
     return_quantity: Return Quantity
     return_reasons: Return Reasons
     returned: Returned
+    reverse_charge_statuses:
+      disabled: Disabled
+      enabled: Enabled
+      not_validated: Not Validated
     review: Review
     risk: Risk
     risk_analysis: Risk Analysis

core/db/migrate/20250214094207_add_reverse_charge_status_to_store.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+class AddReverseChargeStatusToStore < ActiveRecord::Migration[7.2]
+  def change
+    add_column :spree_stores, :reverse_charge_status, :integer, default: 0, null: false,
+                comment: "Enum values: 0 = disabled, 1 = enabled, 2 = not_validated"
+  end
+end

core/spec/models/spree/store_spec.rb

@@ -106,4 +106,34 @@
       end
     end
   end
+
+  describe 'enum reverse_charge_status' do
+    it 'defines the expected enum values' do
+      expect(Spree::Store.reverse_charge_statuses).to eq({
+        'disabled' => 0,
+        'enabled' => 1,
+        'not_validated' => 2
+      })
+    end
+
+    it 'allows valid values' do
+      store = build(:store)
+      # Updates the reverse_charge_status to "not_validated"
+      expect(store).to be_valid
+      store.reverse_charge_status_not_validated!
+
+      # Updates the reverse_charge_status to "disabled"
+      expect(store).to be_valid
+      store.reverse_charge_status_disabled!
+      expect(store).to be_valid
+
+      # Updates the reverse_charge_status to "enabled"
+      store.reverse_charge_status_enabled!
+      expect(store).to be_valid
+    end
+
+    it 'raises an error for invalid values' do
+      expect { Spree::Store.new(reverse_charge_status: :invalid_status) }.to raise_error(ArgumentError)
+    end
+  end
 end