Class: Premailer::Rails::Hook

Inherits:
Object
  • Object
show all
Defined in:
lib/premailer/rails/hook.rb

Class Method Summary collapse

Class Method Details

.delivering_email(message) ⇒ Object 



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# File 'lib/premailer/rails/hook.rb', line 4

def self.delivering_email(message)
  # If the mail only has one part, it may be stored in message.body. In that
  # case, if the mail content type is text/html, the body part will be the
  # html body.
  if message.html_part
    html_body       = message.html_part.body.to_s
    needs_multipart = true
    message.parts.delete(message.html_part)
  elsif message.content_type =~ /text\/html/
    html_body       = message.body.to_s
    message.body    = nil
    needs_multipart = Rails.config[:generate_text_part]
  end

  if html_body
    premailer = CustomizedPremailer.new(html_body)
    charset   = message.charset

    if needs_multipart
      # IMPORTANT: Plain text part must be generated before CSS is inlined.
      # Not doing so results in CSS declarations visible in the plain text
      # part.
      if Rails.config[:generate_text_part] \
      and not message.text_part
        message.text_part do
          content_type "text/plain; charset=#{charset}"
          body premailer.to_plain_text
        end
      end

      message.html_part do
        content_type "text/html; charset=#{charset}"
        body premailer.to_inline_css
      end
    else
      message.body = premailer.to_inline_css
    end
  end
end