add payment_method function

app/controllers/orders_controller.rb

@@ -28,6 +28,25 @@ def show
     @product_lists = @order.product_lists
   end
 
+
+  def pay_with_alipay
+    @order = Order.find_by_token(params[:id])
+    @order.set_payment_with!("alipay")
+    @order.pay!
+
+    redirect_to order_path(@order.token), notice: "使用支付宝成功完成付款"
+  end
+
+  def pay_with_wechat
+    @order = Order.find_by_token(params[:id])
+    @order.set_payment_with!("wechat")
+    @order.pay!
+
+    redirect_to order_path(@order.token), notice: "使用微信成功完成付款"
+  end
+
+
+
   private
 
   def order_params

app/models/order.rb

@@ -5,6 +5,14 @@ def generate_token
     self.token = SecureRandom.uuid
   end
 
+  def set_payment_with!(method)
+    self.update_columns(payment_method: method)
+  end
+
+  def pay!
+    self.update_columns(is_paid: true )
+  end
+
   validates :billing_name, presence: true
   validates :billing_address, presence: true
   validates :shipping_name, presence: true

app/views/orders/show.html.erb

@@ -60,5 +60,17 @@
         </tr>
       </tbody>
     </table>
+
+
+    <% if !@order.is_paid? %>
+      <div class="group pull-right">
+        <%= link_to("支付寶", pay_with_alipay_order_path(@order.token), :method => :post, :class => "btn btn-danger") %>
+        <%= link_to("以微信支付", pay_with_wechat_order_path(@order.token), :method => :post, :class => "btn btn-danger") %>
+      </div>
+    <% else %>
+      <p class="text-center">此訂單已完成付款</p>
+    <% end %>
+
+
   </div>
 </div>

config/routes.rb

@@ -27,6 +27,12 @@
   end
 
   resources :cart_items
-  resources :orders
+
+  resources :orders do
+    member do
+      post :pay_with_alipay
+      post :pay_with_wechat
+    end
+  end
 
 end

db/migrate/20170517033551_add_is_paid_to_order.rb

@@ -0,0 +1,5 @@
+class AddIsPaidToOrder < ActiveRecord::Migration[5.0]
+  def change
+    add_column :orders, :is_paid, :boolean, default: false
+  end
+end

db/migrate/20170517033724_add_payment_method_to_order.rb

@@ -0,0 +1,5 @@
+class AddPaymentMethodToOrder < ActiveRecord::Migration[5.0]
+  def change
+    add_column :orders, :payment_method, :string
+  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.define(version: 20170516115526) do
+ActiveRecord::Schema.define(version: 20170517033724) do
 
   create_table "cart_items", force: :cascade do |t|
     t.integer  "cart_id"
@@ -32,9 +32,11 @@
     t.string   "billing_address"
     t.string   "shipping_name"
     t.string   "shipping_address"
-    t.datetime "created_at",                   null: false
-    t.datetime "updated_at",                   null: false
+    t.datetime "created_at",                       null: false
+    t.datetime "updated_at",                       null: false
     t.string   "token"
+    t.boolean  "is_paid",          default: false
+    t.string   "payment_method"
   end
 
   create_table "product_lists", force: :cascade do |t|