我指的是使用 Rails 第 4 版书进行敏捷 Web 开发。我创建了两个电子邮件通知,第一个用于确认订单,第二个用于发货订单。现在我想在向用户发送“订单确认”邮件后添加 5 分钟的延迟,然后发送第二封“已发货订单”电子邮件。目前我有这两个文件,告诉我应该进行哪些更改以添加所需的延迟。
提前致谢。
订单控制器.rb
def create
@order = Order.new(params[:order])
@order.add_line_items_from_cart(current_cart)
respond_to do |format|
if @order.save
Cart.destroy(session[:cart_id])
session[:cart_id] = nil
OrderNotifier.received(@order).deliver
#Mail after 5 miutes to inform order is Shipped
OrderNotifier.delay.shipped(@order)
format.html { redirect_to store_url, notice: I18n.t('.thanks') }
format.json { render json: @order, status: :created, location: @order }
else
@cart = current_cart
format.html { render action: "new" }
format.json { render json: @order.errors, status: :unprocessable_entity }
end
end
end
order_notifier.rb
class OrderNotifier < ActionMailer::Base
default from: 'sam ruby <depot@example.com>'
def received(order)
@order = order
mail to: order.email, subject: 'Pragmatic Store Order Confirmation'
end
def shipped(order)
@order = order
mail to: order.email, subject: 'Pragmatic Store Order Shipped'
end
handle_asynchronously :shipped, :run_at => Proc.new { 5.minutes.from_now }
end
我对我的代码进行了上述更改,
它会引发 rake 作业的错误:工作
[Worker(pid:8300)] 开始工作工作者 [Worker(pid:8300)] Job OrderNotifier#shipped_without_delay (id=31) RUNNING [Worker(pid:8300)] Job OrderNotifier#shipped_without_delay (id=31) FAILED (0 prior尝试)与 NoMethodError: undefined method
[]' for nil:NilClass [Worker(id:8300)] 1 jobs processed at 1.5796 j/s, 1 failed [Worker(pid:8300)] Job OrderNotifier#shipped_without_delay (id=31) RUNNING [Worker(pid:8300)] Job OrderNotifier#shipped_without_delay (id=31) FAILED (1 prior attempts) with NoMethodError: undefined method
[]' for nil:NilClass [Worker(pid:8300)] 1 个作业以 6.3007 j/s 处理,1 个失败