diff options
Diffstat (limited to 'actionmailer/lib/action_mailer/base.rb')
-rw-r--r-- | actionmailer/lib/action_mailer/base.rb | 73 |
1 files changed, 45 insertions, 28 deletions
diff --git a/actionmailer/lib/action_mailer/base.rb b/actionmailer/lib/action_mailer/base.rb index 1ab68d2953..7eae76f93b 100644 --- a/actionmailer/lib/action_mailer/base.rb +++ b/actionmailer/lib/action_mailer/base.rb @@ -15,11 +15,17 @@ module ActionMailer # # $ rails generate mailer Notifier # - # The generated model inherits from <tt>ActionMailer::Base</tt>. A mailer model defines methods + # The generated model inherits from <tt>ApplicationMailer</tt> which in turn + # inherits from <tt>ActionMailer::Base</tt>. A mailer model defines methods # used to generate an email message. In these methods, you can setup variables to be used in # the mailer views, options on the mail itself such as the <tt>:from</tt> address, and attachments. # - # class Notifier < ActionMailer::Base + # class ApplicationMailer < ActionMailer::Base + # default from: 'from@exmaple.com' + # layout 'mailer' + # end + # + # class Notifier < ApplicationMailer # default from: 'no-reply@example.com', # return_path: 'system@example.com' # @@ -39,11 +45,8 @@ module ActionMailer # in the same manner as <tt>attachments[]=</tt> # # * <tt>headers[]=</tt> - Allows you to specify any header field in your email such - # as <tt>headers['X-No-Spam'] = 'True'</tt>. Note, while most fields like <tt>To:</tt> - # <tt>From:</tt> can only appear once in an email header, other fields like <tt>X-Anything</tt> - # can appear multiple times. If you want to change a field that can appear multiple times, - # you need to set it to nil first so that Mail knows you are replacing it and not adding - # another field of the same name. + # as <tt>headers['X-No-Spam'] = 'True'</tt>. Note that declaring a header multiple times + # will add many fields of the same name. Read #headers doc for more information. # # * <tt>headers(hash)</tt> - Allows you to specify multiple headers in your email such # as <tt>headers({'X-No-Spam' => 'True', 'In-Reply-To' => '1234@message.id'})</tt> @@ -55,7 +58,7 @@ module ActionMailer # # The mail method, if not passed a block, will inspect your views and send all the views with # the same name as the method, so the above action would send the +welcome.text.erb+ view - # file as well as the +welcome.text.html.erb+ view file in a +multipart/alternative+ email. + # file as well as the +welcome.html.erb+ view file in a +multipart/alternative+ email. # # If you want to explicitly render only certain templates, pass a block: # @@ -87,7 +90,8 @@ module ActionMailer # name as the method in your mailer model. For example, in the mailer defined above, the template at # <tt>app/views/notifier/welcome.text.erb</tt> would be used to generate the email. # - # Variables defined in the model are accessible as instance variables in the view. + # Variables defined in the methods of your mailer model are accessible as instance variables in their + # corresponding view. # # Emails by default are sent in plain text, so a sample view for our model example might look like this: # @@ -128,11 +132,6 @@ module ActionMailer # # config.action_mailer.default_url_options = { host: "example.com" } # - # When you decide to set a default <tt>:host</tt> for your mailers, then you need to make sure to use the - # <tt>only_path: false</tt> option when using <tt>url_for</tt>. Since the <tt>url_for</tt> view helper - # will generate relative URLs by default when a <tt>:host</tt> option isn't explicitly provided, passing - # <tt>only_path: false</tt> will ensure that absolute URLs are generated. - # # = Sending mail # # Once a mailer action and template are defined, you can deliver your message or create it and save it @@ -180,7 +179,7 @@ module ActionMailer # # Sending attachment in emails is easy: # - # class ApplicationMailer < ActionMailer::Base + # class Notifier < ApplicationMailer # def welcome(recipient) # attachments['free_book.pdf'] = File.read('path/to/file.pdf') # mail(to: recipient, subject: "New account information") @@ -196,7 +195,7 @@ module ActionMailer # If you need to send attachments with no content, you need to create an empty view for it, # or add an empty body parameter like this: # - # class ApplicationMailer < ActionMailer::Base + # class Notifier < ApplicationMailer # def welcome(recipient) # attachments['free_book.pdf'] = File.read('path/to/file.pdf') # mail(to: recipient, subject: "New account information", body: "") @@ -208,7 +207,7 @@ module ActionMailer # You can also specify that a file should be displayed inline with other HTML. This is useful # if you want to display a corporate logo or a photo. # - # class ApplicationMailer < ActionMailer::Base + # class Notifier < ApplicationMailer # def welcome(recipient) # attachments.inline['photo.png'] = File.read('path/to/photo.png') # mail(to: recipient, subject: "Here is what we look like") @@ -247,7 +246,7 @@ module ActionMailer # Action Mailer provides some intelligent defaults for your emails, these are usually specified in a # default method inside the class definition: # - # class Notifier < ActionMailer::Base + # class Notifier < ApplicationMailer # default sender: 'system@example.com' # end # @@ -265,7 +264,7 @@ module ActionMailer # As you can pass in any header, you need to either quote the header as a string, or pass it in as # an underscored symbol, so the following will work: # - # class Notifier < ActionMailer::Base + # class Notifier < ApplicationMailer # default 'Content-Transfer-Encoding' => '7bit', # content_description: 'This is a description' # end @@ -273,7 +272,7 @@ module ActionMailer # Finally, Action Mailer also supports passing <tt>Proc</tt> objects into the default hash, so you # can define methods that evaluate as the message is being generated: # - # class Notifier < ActionMailer::Base + # class Notifier < ApplicationMailer # default 'X-Special-Header' => Proc.new { my_method } # # private @@ -298,7 +297,7 @@ module ActionMailer # This may be useful, for example, when you want to add default inline attachments for all # messages sent out by a certain mailer class: # - # class Notifier < ActionMailer::Base + # class Notifier < ApplicationMailer # before_action :add_inline_attachment! # # def welcome @@ -494,7 +493,7 @@ module ActionMailer # Sets the defaults through app configuration: # - # config.action_mailer.default { from: "no-reply@example.org" } + # config.action_mailer.default(from: "no-reply@example.org") # # Aliased by ::default_options= def default(value = nil) @@ -587,8 +586,6 @@ module ActionMailer } ActiveSupport::Notifications.instrument("process.action_mailer", payload) do - lookup_context.skip_default_locale! - super @_message = NullMail.new unless @_mail_was_called end @@ -625,6 +622,26 @@ module ActionMailer # The resulting <tt>Mail::Message</tt> will have the following in its header: # # X-Special-Domain-Specific-Header: SecretValue + # + # Note about replacing already defined headers: + # + # * +subject+ + # * +sender+ + # * +from+ + # * +to+ + # * +cc+ + # * +bcc+ + # * +reply-to+ + # * +orig-date+ + # * +message-id+ + # * +references+ + # + # Fields can only appear once in email headers while other fields such as + # <tt>X-Anything</tt> can appear multiple times. + # + # If you want to replace any header which already exists, first set it to + # +nil+ in order to reset the value otherwise another field will be added + # for the same header. def headers(args = nil) if args @_message.headers(args) @@ -685,8 +702,8 @@ module ActionMailer # The main method that creates the message and renders the email templates. There are # two ways to call this method, with a block, or without a block. # - # Both methods accept a headers hash. This hash allows you to specify the most used headers - # in an email message, these are: + # It accepts a headers hash. This hash allows you to specify + # the most used headers in an email message, these are: # # * +:subject+ - The subject of the message, if this is omitted, Action Mailer will # ask the Rails I18n class for a translated +:subject+ in the scope of @@ -835,7 +852,7 @@ module ActionMailer when user_content_type.present? user_content_type when m.has_attachments? - if m.attachments.detect { |a| a.inline? } + if m.attachments.detect(&:inline?) ["multipart", "related", params] else ["multipart", "mixed", params] @@ -890,7 +907,7 @@ module ActionMailer if templates.empty? raise ActionView::MissingTemplate.new(paths, name, paths, false, 'mailer') else - templates.uniq { |t| t.formats }.each(&block) + templates.uniq(&:formats).each(&block) end end |