From b7455b581022059a87633864c2ac2751b035e1e1 Mon Sep 17 00:00:00 2001
From: HombreLaser <sebastian-440@live.com>
Date: Thu, 6 Apr 2023 13:29:17 -0600
Subject: Añadido controlador de carrito
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---
 app/controllers/api/carts_controller.rb    | 47 ++++++++++++++++++++++++++++++
 app/serializers/cart_serializer.rb         | 11 +++++++
 app/serializers/product_cart_serializer.rb |  6 ++++
 app/serializers/product_serializer.rb      |  6 +++-
 config/routes.rb                           |  3 ++
 5 files changed, 72 insertions(+), 1 deletion(-)
 create mode 100644 app/controllers/api/carts_controller.rb
 create mode 100644 app/serializers/cart_serializer.rb
 create mode 100644 app/serializers/product_cart_serializer.rb

diff --git a/app/controllers/api/carts_controller.rb b/app/controllers/api/carts_controller.rb
new file mode 100644
index 0000000..c33f76e
--- /dev/null
+++ b/app/controllers/api/carts_controller.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+module Api
+  # CartsController
+  class CartsController < AuthenticatedController
+    append_before_action :initialize_cart
+
+    def show
+      render json: serialized_object.serializable_hash, status: :ok
+    end
+
+    def create
+      product_cart = @cart.product_carts.new(product_id: permitted_params[:product_id],
+                                             quantity: permitted_params[:quantity])
+
+      if product_cart.save
+        render json: serialized_object.serializable_hash, status: :ok
+      else
+        render json: { errors: product_cart.as_json }, status: :unprocessable_entity
+      end
+    end
+
+    def destroy
+      product = @cart.product_carts.products.find_by(public_id: params[:id])
+
+      render status: :not_found and return if product.nil?
+
+      @cart.product_carts.find_by(cart_id: @cart.id, product_id: product.id).destroy
+
+      render status: :no_content
+    end
+
+    private
+
+    def serialized_object
+      CartSerializer.new(@cart)
+    end
+
+    def permitted_params
+      params.permit(:product_id, :quantity)
+    end
+
+    def initialize_cart
+      @cart = current_user_account.cart
+    end
+  end
+end
diff --git a/app/serializers/cart_serializer.rb b/app/serializers/cart_serializer.rb
new file mode 100644
index 0000000..cbe46d8
--- /dev/null
+++ b/app/serializers/cart_serializer.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+# CartSerializer
+class CartSerializer < BaseSerializer
+  attribute :products do |object|
+    ProductSerializer.new(
+      Product.joins(:product_carts).select('products.*', 'product_carts.quantity AS quantity')
+                                   .includes(picture_attachment: :blob).where('product_carts.cart_id = ?', object.id)
+    ).serializable_hash
+  end
+end
diff --git a/app/serializers/product_cart_serializer.rb b/app/serializers/product_cart_serializer.rb
new file mode 100644
index 0000000..a82715f
--- /dev/null
+++ b/app/serializers/product_cart_serializer.rb
@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+# ProductCartSerializer
+class ProductCartSerializer < BaseSerializer
+  attributes :quantity
+end
diff --git a/app/serializers/product_serializer.rb b/app/serializers/product_serializer.rb
index ab23d01..0104ba4 100644
--- a/app/serializers/product_serializer.rb
+++ b/app/serializers/product_serializer.rb
@@ -11,7 +11,11 @@ class ProductSerializer < BaseSerializer
     object.picture.url
   end
 
-  attribute :company do |object|
+  attribute :quantity, if: Proc.new { |object| object.respond_to?(:quantity) } do |object|
+    object.quantity
+  end
+
+  attribute :company, if: Proc.new { |object| object.respond_to?(:company_short_name) } do |object|
     { name: object.company_name, short_name: object.company_short_name }
   end
 end
diff --git a/config/routes.rb b/config/routes.rb
index 8c671ff..af97ac4 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -13,6 +13,9 @@ Rails.application.routes.draw do
     post '/account/addresses', to: 'addresses#create'
     put '/account/addresses/:id', to: 'addresses#update'
     delete '/account/addresses/:id', to: 'addresses#destroy'
+    get '/account/cart', to: 'carts#show'
+    post '/account/cart', to: 'carts#create'
+    delete '/account/cart/:id', to: 'carts#destroy'
     get '/account/cards', to: 'cards#index'
     post '/account/cards', to: 'cards#create'
     put '/account/cards/:id', to: 'cards#update'
-- 
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