instance method
set_content_type
Ruby on Rails edge
Since v3.0.20 Private — implementation detail, not part of the public APISignature
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
-
mreq -
user_content_typereq -
class_defaultreq
Source
# File actionmailer/lib/action_mailer/base.rb, line 923
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.all?(&: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 923
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Defined in ActionMailer::Base