cart

app/controllers/cart_products_controller.rb

 class CartProductsController < ApplicationController
   before_action :call_category , only: [:new, :index]
   include CategoriesHelper
+
   def add
     id = params[:id]
     if session[:cart] then

app/controllers/carts_controller.rb

 class CartsController < ApplicationController
+
   include CategoriesHelper
   def show
+    if user_signed_in?
+      @show_cart = Cart.where(user_id: current_user.id)
+    end
   end
 
   def create
+    if !session[:cart].nil?
       new_cart = Cart.new(cart_params)
+      new_cart.total_price = calculate_total_price
+      new_cart.status = "In process"
+      if user_signed_in?
+        new_cart.user_id = current_user.id
+      end
       new_cart.save
       byebug
+      session[:cart].each do |id, quantity|
+        cart_product = CartProduct.new
+        cart_product.cart_id = new_cart.id
+        cart_product.product_id = id
+        cart_product.price = Product.find_by_id(id).price
+        cart_product.quantity = quantity
+        cart_product.save
       end
-
-  def info
-    @cart = Cart.new
+      flash[:success] = "Success!"
+      session[:cart] = nil
+    end
+    redirect_to :action => "show"
   end
 
-  def user_params
-    params.require(:cart).permit(:name, :email, :address)
+  def info
   end
 
   def cart_params
     params.require(:session).permit(:name, :mail, :address)
   end
+
+  private
+
+  def calculate_total_price
+    total = 0
+    if !session[:cart].nil?
+      session[:cart].each do |id, quantity|
+      product = Product.find_by_id(id)
+      if !product.nil?
+        total = total + product.price * quantity
+      end
+    end
+    end
+    total
+  end
+
 end

app/controllers/products_controller.rb

 class ProductsController < ApplicationController
+
   include CategoriesHelper
+
   def index
     @products = Product.paginate(page: params[:page], :per_page => 50)
-
   end
 
   def show

app/models/cart.rb

 class Cart < ActiveRecord::Base
+  validates :name,  presence: true, length: { maximum: 50 }
+  VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
+  validates :mail, presence: true, length: { maximum: 255 },
+            format: { with: VALID_EMAIL_REGEX }
+  belongs_to :user
   has_many :cart_product
 end

app/models/user.rb

 class User < ActiveRecord::Base
+  has_many :carts
   # Include default devise modules. Others available are:
   # :confirmable, :lockable, :timeoutable and :omniauthable
   devise :database_authenticatable, :registerable,

app/views/cart_products/_new.html.erb

 
-<h1>Cart Product</h1>
+<h1>Cart Products</h1>
 <ul>
   <% total = 0 %>
+  <% if !cart_product.nil? %>
     <% cart_product.each do |id, quantity| %>
       <% product = Product.find_by_id(id) %>
       <% if !product.nil? %>
@@ -10,7 +11,10 @@
           <%= link_to truncate(product.name, length:15), "/products/#{product.id}" %>
           <%= quantity %>
         </li>
+      <% end %>
     <% end -%>
+  <% else %>
+      <h3>Empty</h3>
   <% end -%>
   <br>
   <br>

app/views/cart_products/index.html.erb

 <h1>Your Cart</h1>
-<%= link_to "Empty Cart" ,cart_products_clear_path %>
+<%= link_to "Empty Cart" ,'/cart_products/clear' %>
 <ul>
   <% total = 0 %>
+  <% if !@cart_product.nil? %>
     <% @cart_product.each do |id, quantity| %>
       <% product = Product.find_by_id(id) %>
       <% if !product.nil? %>
@@ -13,6 +14,9 @@
         </div>
       <% end %>
     <% end -%>
+    <% else %>
+      <h3>Empty</h3>
+    <% end -%>
 </ul>
 <div class="col-md-12">
   <nav>

app/views/carts/info.html.erb

 <h1>Cart info</h1>
 <ul>
-  <% total = 0 %>
+  <% @total = 0 %>
   <% cart_product.each do |id, quantity| %>
     <% product = Product.find_by_id(id) %>
     <% if !product.nil? %>
-      <% total = total + product.price * quantity %>
+      <% @total = @total + product.price * quantity %>
       <li>
         <%= link_to product.name, "/products/#{product.id}" %>
         </br>
@@ -13,22 +13,21 @@
     <% end -%>
   <% end -%>
   <br>
-  <h2> <%= number_to_currency(total/100.to_f, :unit => '$')%> </h2>
+  <h2> <%= number_to_currency(@total/100.to_f, :unit => '$')%> </h2>
 </ul>
 <div class="row">
   <div class="col-md-10 ">
     <%= form_for(:session, url: create_cart_path) do |f| %>
 
-      <%= f.label :email %>
-      <%= f.email_field :email, class: 'form-control' %>
+      <%= f.label :mail %>
+      <%= f.email_field :mail, class: 'form-control' %>
 
       <%= f.label :name %>
       <%= f.text_field :name, class: 'form-control' %>
-
       <%= f.label :address %>
       <%= f.text_field :address, class: 'form-control' %>
       </br>
-      <%= f.submit "Log in", class: "btn btn-primary" %>
+      <%= f.submit "Submit" , class: "btn btn-primary" %>
     <% end %>
   </div>
 </div>

app/views/carts/show.html.erb

+<h1>show cart</h1>
+<ul>
+  <% if !@show_cart.nil? %>
+    <% @show_cart.each do |cart| %>
+    <h4>
+      <%= cart.id.to_s + "   |   "%>
+      <%= cart.mail.to_s + "   |   " %>
+      <%= cart.name.to_s + "   |   " %>
+      <%= cart.total_price.to_s + "   |   " %>
+      <%= cart.status.to_s + "   |   " %>
+      <%= cart.address %>
+    </h4>
+    <% end -%>
+  <% else -%>
+    <h2> Your cart Empty </h2>
+  <% end -%>
+
+</ul>

config/routes.rb

@@ -4,17 +4,18 @@
   get 'login' => 'sessions#new'
 
   get 'category/:id' => 'category#show'
-  get 'categories/products/:id' => 'products#show'
+  get 'products/:id' => 'products#show'
 
   get 'cart_products/:id' => 'cart_products#add'
   get 'cart_products/clear' => 'cart_products#clear_cart_product'
   get 'cart' => 'carts#info'
   get 'carts' => 'carts#new'
+  get 'carts/show' =>'carts#show'
   post 'carts/create' => 'carts#create', as: 'create_cart'
 
   resources :categories, only: [:index, :show]
   resources :products, only: [:index, :show]
-  resources :carts, only: [:info]
+  resources :carts, only: [:info,:destroy]
   resources :cart_products, only: [:new, :edit, :update, :index]
   root "products#index"
   # get 'cate/:id' => 'cacate#show'