instance method `set_content_type`

Ruby on Rails 5.2.8.1

Since v3.0.20 Private

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

set_content_type(m, user_content_type, class_default)

Used by #mail to set the content type of the message.

It will use the given user_content_type, or multipart if the mail message has any attachments. If the attachments are inline, the content type will be “multipart/related”, otherwise “multipart/mixed”.

If there is no content type passed in via headers, and there are no attachments, or the message is multipart, then the default content type is used.

Parameters

m req
user_content_type req
class_default req

Source

# File actionmailer/lib/action_mailer/base.rb, line 856
      def set_content_type(m, user_content_type, class_default) # :doc:
        params = m.content_type_parameters || {}
        case
        when user_content_type.present?
          user_content_type
        when m.has_attachments?
          if m.attachments.detect(&:inline?)
            ["multipart", "related", params]
          else
            ["multipart", "mixed", params]
          end
        when m.multipart?
          ["multipart", "alternative", params]
        else
          m.content_type || class_default
        end
      end

Defined in actionmailer/lib/action_mailer/base.rb line 856 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActionMailer::Base

Signature

Parameters