Adding orders endpoints

app/controllers/v2/order_products_controller.rb

@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+module V2
+  class OrderProductsController < ResourcesController
+  end
+end

app/controllers/v2/orders_controller.rb

@@ -2,13 +2,15 @@
 
 module V2
   class OrdersController < ResourcesController
-    def cancel
-      authorize @record, :update?
+    %i[order deliver withdraw cancel].each do |action|
+      define_method(action) do
+        authorize @record, :update?
 
-      if @record.update(status: :canceled)
-        render json: @record
-      else
-        render json: @record.errors, status: :unprocessable_entity
+        if @record.send(:"#{action}!")
+          render json: @record
+        else
+          render json: @record.errors, status: :unprocessable_entity
+        end
       end
     end
   end

app/machines/order/state_machine.rb

@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+class Order
+  module StateMachine
+    extend ActiveSupport::Concern
+
+    included do
+      include AASM
+
+      # enum :status, { pending: 0, delivered: 1, cancelled: 2 }
+      aasm column: :state, timestamps: true do
+        state :pending, initial: true
+        state :ordered
+        state :delivered
+        state :withdrawn
+        state :cancelled
+
+        event :order do
+          transitions from: :pending, to: :ordered
+        end
+
+        event :deliver do
+          transitions from: :ordered, to: :delivered
+        end
+
+        event :withdraw do
+          transitions from: :delivered, to: :withdrawn
+        end
+
+        event :cancel do
+          transitions from: %i[ordered delivered], to: :cancelled
+        end
+      end
+    end
+  end
+end

app/models/order.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 class Order < ApplicationRecord
-  enum :status, { pending: 0, delivered: 1, canceled: 2 }
+  include Order::StateMachine
 
   belongs_to :customer, optional: false
   belongs_to :store, optional: false

app/policies/order_product_policy.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class OrderProductPolicy < Presets::UserEditablePolicy
+  class Scope < ApplicationPolicy::Scope
+    def resolve
+      scope.where(order: OrderPolicy::Scope.new(user, Order).resolve)
+    end
+  end
+end

app/serializers/order_product_serializer.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class OrderProductSerializer < ActiveModel::Serializer
+  attributes :id, :quantity
+
+  belongs_to :product
+end

app/serializers/order_serializer.rb

@@ -1,6 +1,13 @@
 # frozen_string_literal: true
 
 class OrderSerializer < ActiveModel::Serializer
-  attributes :id, :status, :created_at
+  attributes :id,
+             :state,
+             :created_at,
+             :updated_at,
+             :ordered_at,
+             :delivered_at,
+             :withdrawn_at,
+             :cancelled_at
   belongs_to :customer
 end

config/routes.rb

@@ -61,7 +61,11 @@
     resources :manufacturers
     resources :orders, except: :destroy do
       patch :cancel, on: :member
+      patch :deliver, on: :member
+      patch :order, on: :member
+      patch :withdraw, on: :member
     end
+    resources :order_products, only: :index
     resources :payment_types
     resources :products
     resources :providers

db/migrate/20250201110103_change_order_status_to_state.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+class ChangeOrderStatusToState < ActiveRecord::Migration[8.0]
+  def change
+    change_table :orders, bulk: true do |t|
+      t.remove :status, type: :integer, default: 0
+      t.string :state
+      t.datetime :ordered_at
+      t.datetime :delivered_at
+      t.datetime :withdrawn_at
+      t.datetime :cancelled_at
+    end
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2025_01_27_201932) do
+ActiveRecord::Schema[8.0].define(version: 2025_02_01_110103) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_catalog.plpgsql"
   enable_extension "pgcrypto"
@@ -192,12 +192,16 @@
   end
 
   create_table "orders", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
-    t.integer "status", default: 0
     t.uuid "customer_id"
     t.uuid "store_id"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.datetime "deleted_at", precision: nil
+    t.string "state"
+    t.datetime "ordered_at"
+    t.datetime "delivered_at"
+    t.datetime "withdrawn_at"
+    t.datetime "cancelled_at"
     t.index ["customer_id"], name: "index_orders_on_customer_id"
     t.index ["deleted_at"], name: "index_orders_on_deleted_at"
     t.index ["store_id"], name: "index_orders_on_store_id"