diff options
Diffstat (limited to 'actionmailer/lib/action_mailer/base.rb')
| -rw-r--r-- | actionmailer/lib/action_mailer/base.rb | 126 |
1 files changed, 91 insertions, 35 deletions
diff --git a/actionmailer/lib/action_mailer/base.rb b/actionmailer/lib/action_mailer/base.rb index 501fee55aa..135cf35ac0 100644 --- a/actionmailer/lib/action_mailer/base.rb +++ b/actionmailer/lib/action_mailer/base.rb @@ -50,8 +50,8 @@ module ActionMailer # # * <tt>mail</tt> - Allows you to specify email to be sent. # - # The hash passed to the mail method allows you to specify any header that a Mail::Message - # will accept (any valid Email header including optional fields). + # The hash passed to the mail method allows you to specify any header that a <tt>Mail::Message</tt> + # will accept (any valid email header including optional fields). # # 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 @@ -94,7 +94,7 @@ module ActionMailer # Hi <%= @account.name %>, # Thanks for joining our service! Please check back often. # - # You can even use Action Pack helpers in these views. For example: + # You can even use Action View helpers in these views. For example: # # You got a new note! # <%= truncate(@note.body, length: 25) %> @@ -154,7 +154,7 @@ module ActionMailer # * signup_notification.text.erb # * signup_notification.html.erb # * signup_notification.xml.builder - # * signup_notification.yaml.erb + # * signup_notification.yml.erb # # Each would be rendered and added as a separate part to the message, with the corresponding content # type. The content type for the entire message is automatically set to <tt>multipart/alternative</tt>, @@ -229,7 +229,7 @@ module ActionMailer # An interceptor class must implement the <tt>:delivering_email(message)</tt> method which will be # called before the email is sent, allowing you to make modifications to the email before it hits # the delivery agents. Your class should make any needed modifications directly to the passed - # in Mail::Message instance. + # in <tt>Mail::Message</tt> instance. # # = Default Hash # @@ -301,12 +301,50 @@ module ActionMailer # end # end # - # Callbacks in ActionMailer are implemented using AbstractController::Callbacks, so you - # can define and configure callbacks in the same manner that you would use callbacks in - # classes that inherit from ActionController::Base. + # Callbacks in Action Mailer are implemented using + # <tt>AbstractController::Callbacks</tt>, so you can define and configure + # callbacks in the same manner that you would use callbacks in classes that + # inherit from <tt>ActionController::Base</tt>. # # Note that unless you have a specific reason to do so, you should prefer using before_action - # rather than after_action in your ActionMailer classes so that headers are parsed properly. + # rather than after_action in your Action Mailer classes so that headers are parsed properly. + # + # = Previewing emails + # + # You can preview your email templates visually by adding a mailer preview file to the + # <tt>ActionMailer::Base.preview_path</tt>. Since most emails do something interesting + # with database data, you'll need to write some scenarios to load messages with fake data: + # + # class NotifierPreview < ActionMailer::Preview + # def welcome + # Notifier.welcome(User.first) + # end + # end + # + # Methods must return a <tt>Mail::Message</tt> object which can be generated by calling the mailer + # method without the additional <tt>deliver</tt>. The location of the mailer previews + # directory can be configured using the <tt>preview_path</tt> option which has a default + # of <tt>test/mailers/previews</tt>: + # + # config.action_mailer.preview_path = "#{Rails.root}/lib/mailer_previews" + # + # An overview of all previews is accessible at <tt>http://localhost:3000/rails/mailers</tt> + # on a running development server instance. + # + # Previews can also be intercepted in a similar manner as deliveries can be by registering + # a preview interceptor that has a <tt>previewing_email</tt> method: + # + # class CssInlineStyler + # def self.previewing_email(message) + # # inline CSS styles + # end + # end + # + # config.action_mailer.preview_interceptors :css_inline_styler + # + # Note that interceptors need to be registered both with <tt>register_interceptor</tt> + # and <tt>register_preview_interceptor</tt> if they should operate on both sending and + # previewing emails. # # = Configuration options # @@ -317,7 +355,7 @@ module ActionMailer # per the above section. # # * <tt>logger</tt> - the logger is used for generating information on the mailing run if available. - # Can be set to nil for no logging. Compatible with both Ruby's own Logger and Log4r loggers. + # Can be set to +nil+ for no logging. Compatible with both Ruby's own +Logger+ and Log4r loggers. # # * <tt>smtp_settings</tt> - Allows detailed configuration for <tt>:smtp</tt> delivery method: # * <tt>:address</tt> - Allows you to use a remote mail server. Just change it from its default @@ -331,12 +369,13 @@ module ActionMailer # This is a symbol and one of <tt>:plain</tt> (will send the password in the clear), <tt>:login</tt> (will # send password Base64 encoded) or <tt>:cram_md5</tt> (combines a Challenge/Response mechanism to exchange # information and a cryptographic Message Digest 5 algorithm to hash important information) - # * <tt>:enable_starttls_auto</tt> - When set to true, detects if STARTTLS is enabled in your SMTP server - # and starts to use it. + # * <tt>:enable_starttls_auto</tt> - Detects if STARTTLS is enabled in your SMTP server and starts + # to use it. Defaults to <tt>true</tt>. # * <tt>:openssl_verify_mode</tt> - When using TLS, you can set how OpenSSL checks the certificate. This is # really useful if you need to validate a self-signed and/or a wildcard certificate. You can use the name - # of an OpenSSL verify constant ('none', 'peer', 'client_once', 'fail_if_no_peer_cert') or directly the - # constant (OpenSSL::SSL::VERIFY_NONE, OpenSSL::SSL::VERIFY_PEER, ...). + # of an OpenSSL verify constant (<tt>'none'</tt>, <tt>'peer'</tt>, <tt>'client_once'</tt>, + # <tt>'fail_if_no_peer_cert'</tt>) or directly the constant (<tt>OpenSSL::SSL::VERIFY_NONE</tt>, + # <tt>OpenSSL::SSL::VERIFY_PEER</tt>, ...). # # * <tt>sendmail_settings</tt> - Allows you to override options for the <tt>:sendmail</tt> delivery method. # * <tt>:location</tt> - The location of the sendmail executable. Defaults to <tt>/usr/sbin/sendmail</tt>. @@ -351,7 +390,7 @@ module ActionMailer # # * <tt>delivery_method</tt> - Defines a delivery method. Possible values are <tt>:smtp</tt> (default), # <tt>:sendmail</tt>, <tt>:test</tt>, and <tt>:file</tt>. Or you may provide a custom delivery method - # object e.g. MyOwnDeliveryMethodClass. See the Mail gem documentation on the interface you need to + # object e.g. +MyOwnDeliveryMethodClass+. See the Mail gem documentation on the interface you need to # implement for a custom delivery agent. # # * <tt>perform_deliveries</tt> - Determines whether emails are actually sent from Action Mailer when you @@ -362,6 +401,7 @@ module ActionMailer # <tt>delivery_method :test</tt>. Most useful for unit and functional testing. class Base < AbstractController::Base include DeliveryMethods + include Previews abstract! @@ -373,6 +413,8 @@ module ActionMailer include AbstractController::AssetPaths include AbstractController::Callbacks + include ActionView::Layouts + PROTECTED_IVARS = AbstractController::Rendering::DEFAULT_PROTECTED_INSTANCE_VARIABLES + [:@_action_has_layout] def _protected_ivars # :nodoc: @@ -403,18 +445,30 @@ module ActionMailer end # Register an Observer which will be notified when mail is delivered. - # Either a class or a string can be passed in as the Observer. If a string is passed in - # it will be +constantize+d. + # Either a class, string or symbol can be passed in as the Observer. + # If a string or symbol is passed in it will be camelized and constantized. def register_observer(observer) - delivery_observer = (observer.is_a?(String) ? observer.constantize : observer) + delivery_observer = case observer + when String, Symbol + observer.to_s.camelize.constantize + else + observer + end + Mail.register_observer(delivery_observer) end # Register an Interceptor which will be called before mail is sent. - # Either a class or a string can be passed in as the Interceptor. If a string is passed in - # it will be <tt>constantize</tt>d. + # Either a class, string or symbol can be passed in as the Interceptor. + # If a string or symbol is passed in it will be camelized and constantized. def register_interceptor(interceptor) - delivery_interceptor = (interceptor.is_a?(String) ? interceptor.constantize : interceptor) + delivery_interceptor = case interceptor + when String, Symbol + interceptor.to_s.camelize.constantize + else + interceptor + end + Mail.register_interceptor(delivery_interceptor) end @@ -462,11 +516,11 @@ module ActionMailer end end - # Wraps an email delivery inside of ActiveSupport::Notifications instrumentation. + # Wraps an email delivery inside of <tt>ActiveSupport::Notifications</tt> instrumentation. # - # This method is actually called by the Mail::Message object itself - # through a callback when you call +:deliver+ on the Mail::Message, - # calling +deliver_mail+ directly and passing a Mail::Message will do + # This method is actually called by the <tt>Mail::Message</tt> object itself + # through a callback when you call <tt>:deliver</tt> on the <tt>Mail::Message</tt>, + # calling +deliver_mail+ directly and passing a <tt>Mail::Message</tt> will do # nothing except tell the logger you sent the email. def deliver_mail(mail) #:nodoc: ActiveSupport::Notifications.instrument("deliver.action_mailer") do |payload| @@ -542,18 +596,18 @@ module ActionMailer self.class.mailer_name end - # Allows you to pass random and unusual headers to the new Mail::Message + # Allows you to pass random and unusual headers to the new <tt>Mail::Message</tt> # object which will add them to itself. # # headers['X-Special-Domain-Specific-Header'] = "SecretValue" # # You can also pass a hash into headers of header field names and values, - # which will then be set on the Mail::Message object: + # which will then be set on the <tt>Mail::Message</tt> object: # # headers 'X-Special-Domain-Specific-Header' => "SecretValue", # 'In-Reply-To' => incoming.message_id # - # The resulting Mail::Message will have the following in its header: + # The resulting <tt>Mail::Message</tt> will have the following in its header: # # X-Special-Domain-Specific-Header: SecretValue def headers(args = nil) @@ -642,13 +696,13 @@ module ActionMailer # templates in the view paths using by default the mailer name and the # method name that it is being called from, it will then create parts for # each of these templates intelligently, making educated guesses on correct - # content type and sequence, and return a fully prepared Mail::Message - # ready to call +:deliver+ on to send. + # content type and sequence, and return a fully prepared <tt>Mail::Message</tt> + # ready to call <tt>:deliver</tt> on to send. # # For example: # # class Notifier < ActionMailer::Base - # default from: 'no-reply@test.lindsaar.net', + # default from: 'no-reply@test.lindsaar.net' # # def welcome # mail(to: 'mikel@test.lindsaar.net') @@ -671,11 +725,11 @@ module ActionMailer # format.html # end # - # You can even render text directly without using a template: + # You can even render plain text directly without using a template: # # mail(to: 'mikel@test.lindsaar.net') do |format| - # format.text { render text: "Hello Mikel!" } - # format.html { render text: "<h1>Hello Mikel!</h1>" } + # format.text { render plain: "Hello Mikel!" } + # format.html { render html: "<h1>Hello Mikel!</h1>".html_safe } # end # # Which will render a +multipart/alternative+ email with +text/plain+ and @@ -689,6 +743,8 @@ module ActionMailer # end # def mail(headers = {}, &block) + return @_message if @_mail_was_called && headers.blank? && !block + @_mail_was_called = true m = @_message @@ -709,7 +765,7 @@ module ActionMailer m.charset = charset = headers[:charset] # Set configure delivery behavior - wrap_delivery_behavior!(headers.delete(:delivery_method),headers.delete(:delivery_method_options)) + 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) |