diff --git a/actionmailer/lib/action_mailer/base.rb b/actionmailer/lib/action_mailer/base.rb index a70bf1544a..23139bcbe8 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 ActionMailer::Base. A mailer model defines methods + # The generated model inherits from ApplicationMailer which in turn + # inherits from ActionMailer::Base. 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 :from 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' # @@ -84,7 +90,7 @@ module ActionMailer # name as the method in your mailer model. For example, in the mailer defined above, the template at # app/views/notifier/welcome.text.erb would be used to generate the email. # - # Variables defined in the methods of your mailer model are accessible as instance variables in their + # 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: @@ -178,7 +184,7 @@ 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") @@ -194,7 +200,7 @@ 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: "") @@ -206,7 +212,7 @@ 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") @@ -245,7 +251,7 @@ 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 # @@ -263,7 +269,7 @@ 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 @@ -271,7 +277,7 @@ module ActionMailer # Finally, Action Mailer also supports passing Proc 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 @@ -296,7 +302,7 @@ 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 @@ -703,7 +709,7 @@ 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. # - # It accepts a headers hash. This hash allows you to specify + # 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 diff --git a/guides/source/action_mailer_basics.md b/guides/source/action_mailer_basics.md index f6c974c87a..2e8ab83241 100644 --- a/guides/source/action_mailer_basics.md +++ b/guides/source/action_mailer_basics.md @@ -35,10 +35,26 @@ views. ```bash $ bin/rails generate mailer UserMailer create app/mailers/user_mailer.rb +create app/mailers/application_mailer.rb invoke erb create app/views/user_mailer +create app/views/layouts/mailer.text.erb +create app/views/layouts/mailer.html.erb invoke test_unit create test/mailers/user_mailer_test.rb +create test/mailers/previews/user_mailer_preview.rb +``` + +```ruby +# app/mailers/application_mailer.rb +class ApplicationMailer < ActionMailer::Base + default "from@example.com" + layout 'mailer' +end + +# app/mailers/user_mailer.rb +class UserMailer < ApplicationMailer +end ``` As you can see, you can generate mailers just like you use other generators with @@ -63,8 +79,7 @@ delivered via email. `app/mailers/user_mailer.rb` contains an empty mailer: ```ruby -class UserMailer < ActionMailer::Base - default from: 'from@example.com' +class UserMailer < ApplicationMailer end ``` @@ -72,7 +87,7 @@ Let's add a method called `welcome_email`, that will send an email to the user's registered email address: ```ruby -class UserMailer < ActionMailer::Base +class UserMailer < ApplicationMailer default from: 'notifications@example.com' def welcome_email(user) @@ -348,7 +363,7 @@ for the HTML version and `welcome_email.text.erb` for the plain text version. To change the default mailer view for your action you do something like: ```ruby -class UserMailer < ActionMailer::Base +class UserMailer < ApplicationMailer default from: 'notifications@example.com' def welcome_email(user) @@ -370,7 +385,7 @@ If you want more flexibility you can also pass a block and render specific templates or even render inline or text without using a template file: ```ruby -class UserMailer < ActionMailer::Base +class UserMailer < ApplicationMailer default from: 'notifications@example.com' def welcome_email(user) @@ -400,7 +415,7 @@ layout. In order to use a different file, call `layout` in your mailer: ```ruby -class UserMailer < ActionMailer::Base +class UserMailer < ApplicationMailer layout 'awesome' # use awesome.(html|text).erb as the layout end ``` @@ -412,7 +427,7 @@ You can also pass in a `layout: 'layout_name'` option to the render call inside the format block to specify different layouts for different formats: ```ruby -class UserMailer < ActionMailer::Base +class UserMailer < ApplicationMailer def welcome_email(user) mail(to: user.email) do |format| format.html { render layout: 'my_layout' } @@ -510,7 +525,7 @@ while delivering emails, you can do this using `delivery_method_options` in the mailer action. ```ruby -class UserMailer < ActionMailer::Base +class UserMailer < ApplicationMailer def welcome_email(user, company) @user = user @url = user_url(@user) @@ -532,7 +547,7 @@ option. In such cases don't forget to add the `:content_type` option. Rails will default to `text/plain` otherwise. ```ruby -class UserMailer < ActionMailer::Base +class UserMailer < ApplicationMailer def welcome_email(user, email_body) mail(to: user.email, body: email_body, @@ -562,7 +577,7 @@ mailer, and pass the email object to the mailer `receive` instance method. Here's an example: ```ruby -class UserMailer < ActionMailer::Base +class UserMailer < ApplicationMailer def receive(email) page = Page.find_by(address: email.to.first) page.emails.create( @@ -598,7 +613,7 @@ Action Mailer allows for you to specify a `before_action`, `after_action` and using instance variables set in your mailer action. ```ruby -class UserMailer < ActionMailer::Base +class UserMailer < ApplicationMailer after_action :set_delivery_options, :prevent_delivery_to_guests, :set_business_headers