如何将'premailer'与Rails集成 [英] How to Integrate 'premailer' with Rails

问题描述

如何将‘ premailer ’gem与Rails（3.0.7）项目集成在一起？我目前在邮件中：

How does one integrate the 'premailer' gem with a Rails (3.0.7) project? I currently have in my mailer:

def welcome(user)
  @user = user

  mail to: user.email, subject: "Welcome"
end

但是我无法弄清楚如何集成库。我需要致电：

But I can't figure out how to integrate the library. I need to call:

premailer = Premailer.new(html)
html = premailer.to_inline_css

但是，我不确定如何通过邮件操作访问电子邮件内容。

However, I'm not sure how to access the contents of my email from a mailer action.

推荐答案

尝试：

def premailer(message)
  message.text_part.body = Premailer.new(message.text_part.body.to_s, with_html_string: true).to_plain_text
  message.html_part.body = Premailer.new(message.html_part.body.to_s, with_html_string: true).to_inline_css

  return message
end

def welcome(user)
  @user = user

  message = mail to: user.email, subject: "Welcome"
end

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