Send email when client order once.

app/controllers/orders_controller.rb

 class OrdersController < ApplicationController
 class OrdersController < ApplicationController
-  before_action :authenticate_user!
+  before_action :authenticate_user!, only: [:show, :edit, :update, :destroy, :index]
   before_action :set_order, only: [:show, :edit, :update, :destroy]
   before_action :set_order, only: [:show, :edit, :update, :destroy]
 
 
   def index
   def index
@@ -25,6 +25,7 @@ class OrdersController < ApplicationController
     if @order.save
     if @order.save
       current_cart.destroy
       current_cart.destroy
       session[:cart_id] = nil
       session[:cart_id] = nil
+      Notifier.order_received(@order).deliver
       flash[:success] = 'Successfully. Thank you for your order.'
       flash[:success] = 'Successfully. Thank you for your order.'
       redirect_to root_path
       redirect_to root_path
     else
     else

app/mailers/notifier.rb

+class Notifier < ActionMailer::Base
+  default from: 'bigforest20@gmail.com'
+
+  def order_received(order)
+    @order = order
+
+    mail to: order.email, subject: 'Venshop Store Order Confirmation'
+  end
+end
\ No newline at end of file

app/views/notifier/order_received.html.erb

+<p>Dear <b><%= @order.name %></b>
+<br/>
+<div>Thank you for your recent order from The Venshop Store.</div>
+<br/>
+<div>You ordered the following items:</div>
+<br/>
+<table style='border: 1px solid; border-collapse: collapse;'>
+  <tr>
+    <th style='border: 1px solid;'>Title</th>
+    <th style='border: 1px solid;'>Category</th>
+    <th style='border: 1px solid;'>Quantity/Price</th>
+    <th style='border: 1px solid;'>Price Item</th>
+  </tr>
+  <%= render @order.line_items %>
+  <tr>
+    <td colspan='3' style='border: 1px solid;'>Total</td>
+    <td style='border: 1px solid;'>$<%= @order.total_price %></td>
+  </tr>
+</table>
+<br/>
+<div>We'll send you a separate e-mail when your order ships.</div>

app/views/notifier/order_received.text.erb

+Dear <%= @order.name %>
+
+Thank you for your recent order from The Venshop Store.
+
+You ordered the following items:
+
+We'll send you a separate e-mail when your order ships.

config/environments/development.rb

@@ -15,6 +15,17 @@ Rails.application.configure do
 
 
   # Don't care if the mailer can't send.
   # Don't care if the mailer can't send.
   config.action_mailer.raise_delivery_errors = false
   config.action_mailer.raise_delivery_errors = false
+  config.action_mailer.delivery_method = :smtp
+
+  config.action_mailer.smtp_settings = {
+    address: 'smtp.gmail.com',
+    port: 587,
+    domain: 'gmail.com',
+    authentication: 'plain',
+    user_name: ENV['pusher_email_user'],
+    password: ENV['pusher_email_password'],
+    enable_starttls_auto: true
+  }
 
 
   # Print deprecation notices to the Rails logger.
   # Print deprecation notices to the Rails logger.
   config.active_support.deprecation = :log
   config.active_support.deprecation = :log

test/helpers/amazon_helper_test.rb

-require 'test_helper'
-
-class AmazonHelperTest < ActionView::TestCase
-end

test/mailers/notifier_test.rb

+require 'test_helper'
+
+class NotifierTest < ActionMailer::TestCase
+  test "order_received" do
+    mail = Notifier.order_received
+    assert_equal "Order received", mail.subject
+    assert_equal ["to@example.org"], mail.to
+    assert_equal ["from@example.com"], mail.from
+    assert_match "Hi", mail.body.encoded
+  end
+end

test/mailers/previews/notifier_preview.rb

+# Preview all emails at http://localhost:3000/rails/mailers/notifier
+class NotifierPreview < ActionMailer::Preview
+
+  # Preview this email at http://localhost:3000/rails/mailers/notifier/order_received
+  def order_received
+    Notifier.order_received
+  end
+end

[Nguyen Ngoc Lan]

@phatnt I think you should specify name more clearly. mailer class should be 'Order' and method should be 'confirm'

[Nguyen Ngoc Lan]

@phatnt why do you need prefix 'pusher'? I think you should remove it