6 files changed, 43 insertions, 2 deletions
diff --git a/app/models/cart.rb b/app/models/cart.rb
index f9e5ea0..4bccd67 100644
--- a/app/models/cart.rb
+++ b/app/models/cart.rb
@@ -2,5 +2,7 @@
 
 # Cart
 class Cart < ApplicationRecord
-  has_one :user_account
+  has_one :user_account, dependent: :destroy
+  has_many :product_carts
+  has_many :products, through: :product_carts
 end
diff --git a/app/models/product.rb b/app/models/product.rb
index b9ca828..c4514a2 100644
--- a/app/models/product.rb
+++ b/app/models/product.rb
@@ -12,6 +12,8 @@ class Product < ApplicationRecord
   belongs_to :company
 
   has_many :product_reviews
+  has_many :product_carts
+  has_many :carts, through: :product_carts
 
   validates :name, presence: true
   validates :unitary_price, presence: true
diff --git a/app/models/product_cart.rb b/app/models/product_cart.rb
new file mode 100644
index 0000000..10d4a4c
--- /dev/null
+++ b/app/models/product_cart.rb
@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+# ProductCart
+# quantity: integer
+class ProductCart < ApplicationRecord
+  belongs_to :cart
+  belongs_to :product
+end
diff --git a/db/migrate/20230405015505_create_product_carts.rb b/db/migrate/20230405015505_create_product_carts.rb
new file mode 100644
index 0000000..4cafb27
--- /dev/null
+++ b/db/migrate/20230405015505_create_product_carts.rb
@@ -0,0 +1,13 @@
+class CreateProductCarts < ActiveRecord::Migration[7.0]
+  def change
+    create_table :product_carts do |t|
+      t.integer :quantity
+      t.belongs_to :cart, index: true
+      t.belongs_to :product, index: true
+
+      t.timestamps
+    end
+
+    add_index(:product_carts, [:product_id, :cart_id], unique: true)
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 5c4292f..b974771 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_04_05_013826) do
+ActiveRecord::Schema[7.0].define(version: 2023_04_05_015505) do
   create_table "active_storage_attachments", charset: "utf8mb4", collation: "utf8mb4_general_ci", force: :cascade do |t|
     t.string "name", null: false
     t.string "record_type", null: false
@@ -76,6 +76,17 @@ ActiveRecord::Schema[7.0].define(version: 2023_04_05_013826) do
     t.datetime "updated_at", null: false
   end
 
+  create_table "product_carts", charset: "utf8mb4", collation: "utf8mb4_general_ci", force: :cascade do |t|
+    t.integer "quantity"
+    t.bigint "cart_id"
+    t.bigint "product_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["cart_id"], name: "index_product_carts_on_cart_id"
+    t.index ["product_id", "cart_id"], name: "index_product_carts_on_product_id_and_cart_id", unique: true
+    t.index ["product_id"], name: "index_product_carts_on_product_id"
+  end
+
   create_table "product_reviews", charset: "utf8mb4", collation: "utf8mb4_general_ci", force: :cascade do |t|
     t.bigint "user_account_id", null: false
     t.bigint "product_id", null: false
diff --git a/spec/models/product_cart_spec.rb b/spec/models/product_cart_spec.rb
new file mode 100644
index 0000000..7a1a676
--- /dev/null
+++ b/spec/models/product_cart_spec.rb
@@ -0,0 +1,5 @@
+require 'rails_helper'
+
+RSpec.describe ProductCart, type: :model do
+  pending "add some examples to (or delete) #{__FILE__}"
+end