Module: MailAlternativesWithAttachments::ActionMailerPrepareMessage

Defined in:
lib/mail_alternatives_with_attachments/action_mailer_prepare_message.rb

Instance Method Summary collapse

Instance Method Details

#prepare_message(headers = {}, &block) ⇒ Object

Copied directly from ActionMailer::Base#mail but without the automatic rendering of templates.



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# File 'lib/mail_alternatives_with_attachments/action_mailer_prepare_message.rb', line 5

def prepare_message(headers = {}, &block)
  return @_message if @_mail_was_called && headers.blank? && !block

  @_mail_was_called = true
  m = @_message

  # At the beginning, do not consider class default for content_type
  content_type = headers[:content_type]

  # Call all the procs (if any)
  default_values = {}
  self.class.default.each do |k,v|
    default_values[k] = v.is_a?(Proc) ? instance_eval(&v) : v
  end

  # Handle defaults
  headers = headers.reverse_merge(default_values)
  headers[:subject] ||= default_i18n_subject

  # Apply charset at the beginning so all fields are properly quoted
  m.charset = charset = headers[:charset]

  # Set configure delivery behavior
  wrap_delivery_behavior!(headers.delete(:delivery_method), headers.delete(:delivery_method_options))

  # Assign all headers except parts_order, content_type and body
  assignable = headers.except(:parts_order, :content_type, :body, :template_name, :template_path)
  assignable.each { |k, v| m[k] = v }

  # Setup content type, reapply charset and handle parts order
  m.content_type = set_content_type(m, content_type, headers[:content_type])
  m.charset      = charset

  if m.multipart?
    m.body.set_sort_order(headers[:parts_order])
    m.body.sort_parts!
  end

  m
end