ornerymoose/charges_controller.rb

## charges_controller.rb
class ChargesController < ApplicationController
  after_filter :destroy_cart, :only => [:show]

  def new
    @cart = Cart.find(params[:id])
  end

  def create

  begin
    email = params.delete(:stripeEmail)
    @customer = Customer.new(email: email)
    @cart = Cart.find(params[:id])
    @current_cart = current_cart

    stripe_customer = Stripe::Customer.create(
      :email => email,
      :card => params[:stripeToken]
    )

    @customer.stripe_customer_id = stripe_customer.id
    @customer.save!

    charge = Stripe::Charge.create(
      :customer    => stripe_customer.id,
      :amount      => @cart.total_price * 100,
      :description => 'Customer',
      :currency    => 'usd'
    )

    rescue Stripe::CardError => e
      flash[:error] = e.message
      redirect_to charges_path
    end

    respond_to do |format|
      CustomerMailer.registration_confirmation(@customer.email).deliver
      format.html { redirect_to charge_path(@cart, {customer_id: @customer.id}) }
      format.json { head :ok }
    end

  end

  def show
    @cart = current_cart
    @customer_id = Customer.find(params[:customer_id])
  end

  private

  def destroy_cart
    @cart = current_cart
    @cart.destroy
    session[:cart_id] = nil
  end
end


## customer_mailer.rb
   class CustomerMailer < ActionMailer::Base
     default from: "emailsender@gmail.com"

     def registration_confirmation(user)
       @customer = user
       @cart = current_cart
       #attachments["rails.png"] = File.read("#{Rails.root}/public/images/rails.png")
       mail(:to => "#{user}", :subject => "Your Order Love Order")
     end
   end

## registration_confirmation.html.erb
<!DOCTYPE html>
<html>
<head>
<meta content='text/html; charset=UTF-8' http-equiv='Content-Type' />
</head>
<body>
<p>
Dear <%= @customer %>,
<p> Here's what you bought:</p>
<ul>
  <% @cart.line_items.each do |item| %>
    <li><%= item.quantity %> &times; <%= item.size %> <%= item.color %> <%= item.product.name %><br>
    at $<%= item.product.price %> each</li>
  <% end %>
</ul>
</p>
<p>Have a great day!</p>
</body>
</html>


## setup_mail.rb
ActionMailer::Base.smtp_settings = {
  :address              => "smtp.gmail.com",
  :port                 => 587,
  :domain               => "gmail.com",
  :user_name            => "mygmailaddress",
  :password             => "mygmailpassword",
  :authentication       => "plain",
  :enable_starttls_auto => true
}

ActionMailer::Base.default_url_options[:host] = "localhost:3000"
#Mail.register_interceptor(DevelopmentMailInterceptor) if Rails.env.development?
	class ChargesController < ApplicationController
	after_filter :destroy_cart, :only => [:show]

	def new
	@cart = Cart.find(params[:id])
	end

	def create

	begin
	email = params.delete(:stripeEmail)
	@customer = Customer.new(email: email)
	@cart = Cart.find(params[:id])
	@current_cart = current_cart

	stripe_customer = Stripe::Customer.create(
	:email => email,
	:card => params[:stripeToken]
	)

	@customer.stripe_customer_id = stripe_customer.id
	@customer.save!

	charge = Stripe::Charge.create(
	:customer => stripe_customer.id,
	:amount => @cart.total_price * 100,
	:description => 'Customer',
	:currency => 'usd'
	)

	rescue Stripe::CardError => e
	flash[:error] = e.message
	redirect_to charges_path
	end

	respond_to do \|format\|
	CustomerMailer.registration_confirmation(@customer.email).deliver
	format.html { redirect_to charge_path(@cart, {customer_id: @customer.id}) }
	format.json { head :ok }
	end

	end

	def show
	@cart = current_cart
	@customer_id = Customer.find(params[:customer_id])
	end

	private

	def destroy_cart
	@cart = current_cart
	@cart.destroy
	session[:cart_id] = nil
	end
	end
	class CustomerMailer < ActionMailer::Base
	default from: "emailsender@gmail.com"

	def registration_confirmation(user)
	@customer = user
	@cart = current_cart
	#attachments["rails.png"] = File.read("#{Rails.root}/public/images/rails.png")
	mail(:to => "#{user}", :subject => "Your Order Love Order")
	end
	end
	<!DOCTYPE html>
	<html>
	<head>
	<meta content='text/html; charset=UTF-8' http-equiv='Content-Type' />
	</head>
	<body>
	<p>
	Dear <%= @customer %>,
	<p> Here's what you bought:</p>
	<ul>
	<% @cart.line_items.each do \|item\| %>
	<li><%= item.quantity %> × <%= item.size %> <%= item.color %> <%= item.product.name %><br>
	at $<%= item.product.price %> each</li>
	<% end %>
	</ul>
	</p>
	<p>Have a great day!</p>
	</body>
	</html>
	ActionMailer::Base.smtp_settings = {
	:address => "smtp.gmail.com",
	:port => 587,
	:domain => "gmail.com",
	:user_name => "mygmailaddress",
	:password => "mygmailpassword",
	:authentication => "plain",
	:enable_starttls_auto => true
	}

	ActionMailer::Base.default_url_options[:host] = "localhost:3000"
	#Mail.register_interceptor(DevelopmentMailInterceptor) if Rails.env.development?