move card remove function to new action

venshop_app/app/controllers/cards_controller.rb

@@ -8,26 +8,9 @@ class CardsController < ApplicationController
     end
     unless params[:product_id].blank?
       if Product.where(id: params[:product_id]).exists?
-        # if remove a product from card
+
         if !params[:card_action].blank? && params[:card_action] == 'remove'
-          # Nothing to delete
-          if @card_infos.empty?
-            redirect_to cards_path and return
-          else
-            card_items = @card_infos[:card_items]
-            found = false
-            card_items.each do |card_item|
-              # if a product exist in card
-              if card_item[:product_id] == params[:product_id]
-                card_items.delete(card_item)
-                @card_infos = { card_items: card_items, customer_info: @card_infos[:customer_info] }
-                session[:SHOPPING_CARD_SESSION_NAME] = @card_infos
-                found = true
-              end
-              flash[:error] = "Invalid request (product not exist in card)" unless found
-              redirect_to cards_path and return
-            end
-          end
+
         elsif !params[:card_action].blank? && params[:card_action] == 'update'
            # Nothing to update
           if @card_infos.empty?
@@ -91,6 +74,34 @@ class CardsController < ApplicationController
     end
   end
 
+  # if remove a product from card
+  def remove
+    @card_infos = {}
+    unless session[:SHOPPING_CARD_SESSION_NAME].blank?
+      @card_infos = session[:SHOPPING_CARD_SESSION_NAME]
+    end
+    unless params[:product_id].blank?
+      # Nothing to delete
+      if @card_infos.empty?
+        redirect_to cards_path and return
+      else
+        card_items = @card_infos[:card_items]
+        found = false
+        card_items.each do |card_item|
+          # if a product exist in card
+          if card_item[:product_id] == params[:product_id]
+            card_items.delete(card_item)
+            @card_infos = { card_items: card_items, customer_info: @card_infos[:customer_info] }
+            session[:SHOPPING_CARD_SESSION_NAME] = @card_infos
+            found = true
+          end
+          flash[:error] = "Invalid request (product not exist in card)" unless found
+          redirect_to cards_path and return
+        end
+      end
+    end
+    redirect_to cards_path and return
+  end
   def checkout
     add_breadcrumb "Checkout", url_for(action: 'checkout')
     @card_infos = {}

venshop_app/app/views/cards/_item_list.html.erb

@@ -41,7 +41,7 @@
                 <%= link_to(cards_path(product_id: card_item[:product_id], card_action: 'update'), class: 'btn btn-info btn-update-card-quantity') do %>
                   <span class="glyphicon glyphicon-plus"></span> Update quantity
                 <% end %>
-                <%= link_to(cards_path(product_id: card_item[:product_id], card_action: 'remove'), class: 'btn btn-danger', dada: '{:confirm=>"Do you want to remove this product?"}') do %>
+                <%= link_to(url_for(controller: 'cards', action: 'remove', product_id: card_item[:product_id]), class: 'btn btn-danger', dada: '{:confirm=>"Do you want to remove this product?"}') do %>
                   <span class="glyphicon glyphicon-remove"></span> Remove
                 <% end %>
               </div>

venshop_app/config/routes.rb

@@ -10,6 +10,7 @@ VenshopApp::Application.routes.draw do
   get "cards/confirm_checkout"
   post "cards/confirm_checkout"
   get "cards/thankyou"
+  get "cards/remove"
   resources :users
   resources :sessions, only: [:new, :create, :destroy]
   resources :products
@@ -61,7 +62,7 @@ VenshopApp::Application.routes.draw do
   #       get 'recent', on: :collection
   #     end
   #   end
-  
+
   # Example resource route with concerns:
   #   concern :toggleable do
   #     post 'toggle'