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我基本上是通过ActionMailer的帮助自动生成附件(报告)文件给用户发送电子邮件。如何(通过邮件观察者)在电子邮件发送后删除临时(生成的附件)文件?
这是我的应用程序/邮件/ report_mailer.rb:
...
t = Time.now
file_name = "#{generated_name}_#{t.strftime("%Y-%m-%d_%HH-%M-%Ssec")}_#{t.usec}.xls"
file_path = '/tmp/' + file_name
ReportMailer.generated_report(current_user, file_name, generated_name, file_path).deliver
...
我的应用程序/模型/ generated_report_observer.rb:
class GeneratedReportObserver < ActiveRecord::Observer
def self.delivered_email(message)
file_path = ????
File.delete file_path if File.exist? file_path
end
end
class ReportMailer < ActionMailer::Base
default from: "[email protected]_domaine.com"
def generated_report(user, file_name, report_name, file_path)
@user = user
@report_name = report_name
attachments[file_name] = File.read(file_path)
mail(:to => user.email, :subject => "Generated report #{report_name} (automatic message)")
end
end
从我的控制器调用
我的邮件程序在config/initilizer/my_mailer_observer_initializer.rb中初始化我的观察者:
ReportMailer.register_observer(GeneratedReportObserver)
感谢您的帮助