diff options
Diffstat (limited to 'actionmailer/lib/action_mailer')
| -rw-r--r-- | actionmailer/lib/action_mailer/base.rb | 383 | ||||
| -rw-r--r-- | actionmailer/lib/action_mailer/collector.rb | 2 | ||||
| -rw-r--r-- | actionmailer/lib/action_mailer/delivery_job.rb | 13 | ||||
| -rw-r--r-- | actionmailer/lib/action_mailer/delivery_methods.rb | 3 | ||||
| -rw-r--r-- | actionmailer/lib/action_mailer/gem_version.rb | 15 | ||||
| -rw-r--r-- | actionmailer/lib/action_mailer/log_subscriber.rb | 31 | ||||
| -rw-r--r-- | actionmailer/lib/action_mailer/mail_helper.rb | 14 | ||||
| -rw-r--r-- | actionmailer/lib/action_mailer/message_delivery.rb | 115 | ||||
| -rw-r--r-- | actionmailer/lib/action_mailer/preview.rb | 118 | ||||
| -rw-r--r-- | actionmailer/lib/action_mailer/railtie.rb | 22 | ||||
| -rw-r--r-- | actionmailer/lib/action_mailer/test_case.rb | 21 | ||||
| -rw-r--r-- | actionmailer/lib/action_mailer/test_helper.rb | 14 | ||||
| -rw-r--r-- | actionmailer/lib/action_mailer/version.rb | 13 |
13 files changed, 617 insertions, 147 deletions
diff --git a/actionmailer/lib/action_mailer/base.rb b/actionmailer/lib/action_mailer/base.rb index a3c0b2c6bd..53cc1fdb31 100644 --- a/actionmailer/lib/action_mailer/base.rb +++ b/actionmailer/lib/action_mailer/base.rb @@ -3,6 +3,7 @@ require 'action_mailer/collector' require 'active_support/core_ext/string/inflections' require 'active_support/core_ext/hash/except' require 'active_support/core_ext/module/anonymous' + require 'action_mailer/log_subscriber' module ActionMailer @@ -14,11 +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' # @@ -38,19 +45,16 @@ 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> # # * <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 @@ -86,14 +90,15 @@ 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: # # 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) %> @@ -127,19 +132,25 @@ 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 # for delivery later: # - # Notifier.welcome(david).deliver # sends the email - # mail = Notifier.welcome(david) # => a Mail::Message object - # mail.deliver # sends the email + # Notifier.welcome(User.first).deliver_now # sends the email + # mail = Notifier.welcome(User.first) # => an ActionMailer::MessageDelivery object + # mail.deliver_now # sends the email + # + # The <tt>ActionMailer::MessageDelivery</tt> class is a wrapper around a <tt>Mail::Message</tt> object. If + # you want direct access to the <tt>Mail::Message</tt> object you can call the <tt>message</tt> method on + # the <tt>ActionMailer::MessageDelivery</tt> object. + # + # Notifier.welcome(User.first).message # => a Mail::Message object + # + # Action Mailer is nicely integrated with Active Job so you can send emails in the background (example: outside + # of the request-response cycle, so the user doesn't have to wait on it): + # + # Notifier.welcome(User.first).deliver_later # enqueue the email sending to Active Job # # You never instantiate your mailer class. Rather, you just call the method you defined on the class itself. # @@ -151,9 +162,9 @@ module ActionMailer # # For example, if the following templates exist: # * signup_notification.text.erb - # * signup_notification.text.html.erb - # * signup_notification.text.xml.builder - # * signup_notification.text.yaml.erb + # * signup_notification.html.erb + # * signup_notification.xml.builder + # * 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>, @@ -168,14 +179,14 @@ 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") # end # end # - # Which will (if it had both a <tt>welcome.text.erb</tt> and <tt>welcome.text.html.erb</tt> + # Which will (if it had both a <tt>welcome.text.erb</tt> and <tt>welcome.html.erb</tt> # template in the view directory), send a complete <tt>multipart/mixed</tt> email with two parts, # the first part being a <tt>multipart/alternative</tt> with the text and HTML email parts inside, # and the second being a <tt>application/pdf</tt> with a Base64 encoded copy of the file.pdf book @@ -184,7 +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: "") @@ -196,7 +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") @@ -228,14 +239,14 @@ 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 # # 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 # @@ -253,7 +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 @@ -261,7 +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 @@ -286,7 +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 @@ -300,12 +311,50 @@ 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_now</tt> / <tt>deliver_later</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 # @@ -316,7 +365,7 @@ 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 @@ -330,12 +379,13 @@ 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>. @@ -350,28 +400,36 @@ 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 - # call <tt>.deliver</tt> on an mail message or on an Action Mailer method. This is on by default but can + # call <tt>.deliver</tt> on an email message or on an Action Mailer method. This is on by default but can # be turned off to aid in functional testing. # # * <tt>deliveries</tt> - Keeps an array of all the emails sent out through the Action Mailer with # <tt>delivery_method :test</tt>. Most useful for unit and functional testing. class Base < AbstractController::Base include DeliveryMethods + include Previews + abstract! - include AbstractController::Logger include AbstractController::Rendering - include AbstractController::Layouts + + include AbstractController::Logger include AbstractController::Helpers include AbstractController::Translation include AbstractController::AssetPaths include AbstractController::Callbacks - self.protected_instance_variables = [:@_action_has_layout] + include ActionView::Layouts + + PROTECTED_IVARS = AbstractController::Rendering::DEFAULT_PROTECTED_INSTANCE_VARIABLES + [:@_action_has_layout] + + def _protected_ivars # :nodoc: + PROTECTED_IVARS + end helper ActionMailer::MailHelper @@ -397,27 +455,47 @@ 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 <tt>constantize</tt>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 + # Returns the name of current mailer. This method is also being used as a path for a view lookup. + # If this is an anonymous mailer, this method will return +anonymous+ instead. def mailer_name @mailer_name ||= anonymous? ? "anonymous" : name.underscore end + # Allows to set the name of current mailer. attr_writer :mailer_name alias :controller_path :mailer_name + # Sets the defaults through app configuration: + # + # config.action_mailer.default(from: "no-reply@example.org") + # + # Aliased by ::default_options= def default(value = nil) self.default_params = default_params.merge(value).freeze if value default_params @@ -429,13 +507,15 @@ module ActionMailer # Receives a raw email, parses it into an email object, decodes it, # instantiates a new mailer, and passes the email object to the mailer - # object's +receive+ method. If you want your mailer to be able to - # process incoming messages, you'll need to implement a +receive+ - # method that accepts the raw email string as a parameter: + # object's +receive+ method. + # + # If you want your mailer to be able to process incoming messages, you'll + # need to implement a +receive+ method that accepts the raw email string + # as a parameter: # # class MyMailer < ActionMailer::Base # def receive(mail) - # ... + # # ... # end # end def receive(raw_mail) @@ -446,10 +526,12 @@ module ActionMailer end end - # Wraps an email delivery inside of Active Support Notifications instrumentation. This - # method is actually called by the <tt>Mail::Message</tt> object itself through a callback - # when you call <tt>:deliver</tt> on the Mail::Message, calling +deliver_mail+ directly - # and passing a Mail::Message will do nothing except tell the logger you sent the email. + # Wraps an email delivery inside of <tt>ActiveSupport::Notifications</tt> instrumentation. + # + # 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| set_payload_for_mail(payload, mail) @@ -475,9 +557,9 @@ module ActionMailer payload[:mail] = mail.encoded end - def method_missing(method_name, *args) - if respond_to?(method_name) - new(method_name, *args).message + def method_missing(method_name, *args) # :nodoc: + if action_methods.include?(method_name.to_s) + MessageDelivery.new(self, method_name, *args) else super end @@ -497,40 +579,70 @@ module ActionMailer process(method_name, *args) if method_name end - def process(*args) #:nodoc: - lookup_context.skip_default_locale! + def process(method_name, *args) #:nodoc: + payload = { + mailer: self.class.name, + action: method_name + } - super - @_message = NullMail.new unless @_mail_was_called + ActiveSupport::Notifications.instrument("process.action_mailer", payload) do + super + @_message = NullMail.new unless @_mail_was_called + end end class NullMail #:nodoc: def body; '' end + def respond_to?(string, include_all=false) + true + end + def method_missing(*args) nil end end + # Returns the name of the mailer object. def mailer_name self.class.mailer_name end - # Allows you to pass random and unusual headers to the new <tt>Mail::Message</tt> object - # which will add them to itself. + # 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: + # You can also pass a hash into headers of header field names and values, + # 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) + # + # 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) else @@ -569,58 +681,75 @@ module ActionMailer # mail.attachments[0] # => Mail::Part (first attachment) # def attachments - @_message.attachments + if @_mail_was_called + LateAttachmentsProxy.new(@_message.attachments) + else + @_message.attachments + end + end + + class LateAttachmentsProxy < SimpleDelegator + def inline; _raise_error end + def []=(_name, _content); _raise_error end + + private + def _raise_error + raise RuntimeError, "Can't add attachments after `mail` was called.\n" \ + "Make sure to use `attachments[]=` before calling `mail`." + end end # 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: # - # * <tt>:subject</tt> - The subject of the message, if this is omitted, Action Mailer will - # ask the Rails I18n class for a translated <tt>:subject</tt> in the scope of + # * +: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 # <tt>[mailer_scope, action_name]</tt> or if this is missing, will translate the - # humanized version of the <tt>action_name</tt> - # * <tt>:to</tt> - Who the message is destined for, can be a string of addresses, or an array + # humanized version of the +action_name+ + # * +:to+ - Who the message is destined for, can be a string of addresses, or an array # of addresses. - # * <tt>:from</tt> - Who the message is from - # * <tt>:cc</tt> - Who you would like to Carbon-Copy on this email, can be a string of addresses, + # * +:from+ - Who the message is from + # * +:cc+ - Who you would like to Carbon-Copy on this email, can be a string of addresses, # or an array of addresses. - # * <tt>:bcc</tt> - Who you would like to Blind-Carbon-Copy on this email, can be a string of + # * +:bcc+ - Who you would like to Blind-Carbon-Copy on this email, can be a string of # addresses, or an array of addresses. - # * <tt>:reply_to</tt> - Who to set the Reply-To header of the email to. - # * <tt>:date</tt> - The date to say the email was sent on. + # * +:reply_to+ - Who to set the Reply-To header of the email to. + # * +:date+ - The date to say the email was sent on. # - # You can set default values for any of the above headers (except :date) by using the <tt>default</tt> - # class method: + # You can set default values for any of the above headers (except +:date+) + # by using the ::default class method: # # class Notifier < ActionMailer::Base - # self.default from: 'no-reply@test.lindsaar.net', - # bcc: 'email_logger@test.lindsaar.net', - # reply_to: 'bounces@test.lindsaar.net' + # default from: 'no-reply@test.lindsaar.net', + # bcc: 'email_logger@test.lindsaar.net', + # reply_to: 'bounces@test.lindsaar.net' # end # # If you need other headers not listed above, you can either pass them in # as part of the headers hash or use the <tt>headers['name'] = value</tt> # method. # - # When a <tt>:return_path</tt> is specified as header, that value will be used as the 'envelope from' - # address for the Mail message. Setting this is useful when you want delivery notifications - # sent to a different address than the one in <tt>:from</tt>. Mail will actually use the - # <tt>:return_path</tt> in preference to the <tt>:sender</tt> in preference to the <tt>:from</tt> - # field for the 'envelope from' value. + # When a +:return_path+ is specified as header, that value will be used as + # the 'envelope from' address for the Mail message. Setting this is useful + # when you want delivery notifications sent to a different address than the + # one in +:from+. Mail will actually use the +:return_path+ in preference + # to the +:sender+ in preference to the +:from+ field for the 'envelope + # from' value. # - # If you do not pass a block to the +mail+ method, it will find all 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 <tt>:deliver</tt> on to send. + # If you do not pass a block to the +mail+ method, it will find all + # 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 <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') @@ -643,15 +772,15 @@ 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 <tt>multipart/alternative</tt> email with <tt>text/plain</tt> and - # <tt>text/html</tt> parts. + # Which will render a +multipart/alternative+ email with +text/plain+ and + # +text/html+ parts. # # The block syntax also allows you to customize the part headers if desired: # @@ -660,17 +789,18 @@ module ActionMailer # format.html # end # - def mail(headers={}, &block) - @_mail_was_called = true + def mail(headers = {}, &block) + return @_message if @_mail_was_called && headers.blank? && !block + m = @_message # At the beginning, do not consider class default for content_type content_type = headers[:content_type] # Call all the procs (if any) - class_default = self.class.default - default_values = class_default.merge(class_default) do |k,v| - v.respond_to?(:to_proc) ? instance_eval(&v) : v + default_values = {} + self.class.default.each do |k,v| + default_values[k] = v.is_a?(Proc) ? instance_eval(&v) : v end # Handle defaults @@ -681,7 +811,7 @@ 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) @@ -689,6 +819,8 @@ module ActionMailer # Render the templates and blocks responses = collect_responses(headers, &block) + @_mail_was_called = true + create_parts_from_responses(m, responses) # Setup content type, reapply charset and handle parts order @@ -705,13 +837,22 @@ module ActionMailer protected + # 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. def set_content_type(m, user_content_type, class_default) params = m.content_type_parameters || {} case 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] @@ -726,9 +867,10 @@ module ActionMailer # Translates the +subject+ using Rails I18n class under <tt>[mailer_scope, action_name]</tt> scope. # If it does not find a translation for the +subject+ under the specified scope it will default to a # humanized version of the <tt>action_name</tt>. - def default_i18n_subject #:nodoc: + # If the subject has interpolations, you can pass them through the +interpolations+ parameter. + def default_i18n_subject(interpolations = {}) mailer_scope = self.class.mailer_name.tr('/', '.') - I18n.t(:subject, scope: [mailer_scope, action_name], default: action_name.humanize) + I18n.t(:subject, interpolations.merge(scope: [mailer_scope, action_name], default: action_name.humanize)) end def collect_responses(headers) #:nodoc: @@ -747,7 +889,7 @@ module ActionMailer templates_path = headers.delete(:template_path) || self.class.mailer_name templates_name = headers.delete(:template_name) || action_name - each_template(templates_path, templates_name) do |template| + each_template(Array(templates_path), templates_name) do |template| self.formats = template.formats responses << { @@ -761,11 +903,11 @@ module ActionMailer end def each_template(paths, name, &block) #:nodoc: - templates = lookup_context.find_all(name, Array(paths)) + templates = lookup_context.find_all(name, paths) if templates.empty? - raise ActionView::MissingTemplate.new([paths], name, [paths], false, 'mailer') + raise ActionView::MissingTemplate.new(paths, name, paths, false, 'mailer') else - templates.uniq { |t| t.formats }.each(&block) + templates.uniq(&:formats).each(&block) end end @@ -788,6 +930,11 @@ module ActionMailer container.add_part(part) end + # Emails do not support relative path links. + def self.supports_path? + false + end + ActiveSupport.run_load_hooks(:action_mailer, self) end end diff --git a/actionmailer/lib/action_mailer/collector.rb b/actionmailer/lib/action_mailer/collector.rb index cbb2778fae..e8883a8235 100644 --- a/actionmailer/lib/action_mailer/collector.rb +++ b/actionmailer/lib/action_mailer/collector.rb @@ -20,7 +20,7 @@ module ActionMailer end alias :all :any - def custom(mime, options={}) + def custom(mime, options = {}) options.reverse_merge!(content_type: mime.to_s) @context.formats = [mime.to_sym] options[:body] = block_given? ? yield : @default_render.call diff --git a/actionmailer/lib/action_mailer/delivery_job.rb b/actionmailer/lib/action_mailer/delivery_job.rb new file mode 100644 index 0000000000..e864ab7a4d --- /dev/null +++ b/actionmailer/lib/action_mailer/delivery_job.rb @@ -0,0 +1,13 @@ +require 'active_job' + +module ActionMailer + # The <tt>ActionMailer::DeliveryJob</tt> class is used when you + # want to send emails outside of the request-response cycle. + class DeliveryJob < ActiveJob::Base # :nodoc: + queue_as :mailers + + def perform(mailer, mail_method, delivery_method, *args) #:nodoc: + mailer.constantize.public_send(mail_method, *args).send(delivery_method) + end + end +end diff --git a/actionmailer/lib/action_mailer/delivery_methods.rb b/actionmailer/lib/action_mailer/delivery_methods.rb index caea3d7535..aedcd81e52 100644 --- a/actionmailer/lib/action_mailer/delivery_methods.rb +++ b/actionmailer/lib/action_mailer/delivery_methods.rb @@ -38,6 +38,7 @@ module ActionMailer add_delivery_method :test, Mail::TestMailer end + # Helpers for creating and wrapping delivery behavior, used by DeliveryMethods. module ClassMethods # Provides a list of emails that have been delivered by Mail::TestMailer delegate :deliveries, :deliveries=, to: Mail::TestMailer @@ -63,7 +64,7 @@ module ActionMailer raise "Delivery method cannot be nil" when Symbol if klass = delivery_methods[method] - mail.delivery_method(klass,(send(:"#{method}_settings") || {}).merge!(options || {})) + mail.delivery_method(klass, (send(:"#{method}_settings") || {}).merge(options || {})) else raise "Invalid delivery method #{method.inspect}" end diff --git a/actionmailer/lib/action_mailer/gem_version.rb b/actionmailer/lib/action_mailer/gem_version.rb new file mode 100644 index 0000000000..ac79788cf0 --- /dev/null +++ b/actionmailer/lib/action_mailer/gem_version.rb @@ -0,0 +1,15 @@ +module ActionMailer + # Returns the version of the currently loaded Action Mailer as a <tt>Gem::Version</tt> + def self.gem_version + Gem::Version.new VERSION::STRING + end + + module VERSION + MAJOR = 5 + MINOR = 0 + TINY = 0 + PRE = "alpha" + + STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".") + end +end diff --git a/actionmailer/lib/action_mailer/log_subscriber.rb b/actionmailer/lib/action_mailer/log_subscriber.rb index 3fe64759ac..5b57c75ec3 100644 --- a/actionmailer/lib/action_mailer/log_subscriber.rb +++ b/actionmailer/lib/action_mailer/log_subscriber.rb @@ -1,18 +1,35 @@ +require 'active_support/log_subscriber' + module ActionMailer + # Implements the ActiveSupport::LogSubscriber for logging notifications when + # email is delivered and received. class LogSubscriber < ActiveSupport::LogSubscriber + # An email was delivered. def deliver(event) - return unless logger.info? - recipients = Array(event.payload[:to]).join(', ') - info("\nSent mail to #{recipients} (#{event.duration.round(1)}ms)") - debug(event.payload[:mail]) + info do + recipients = Array(event.payload[:to]).join(', ') + "\nSent mail to #{recipients} (#{event.duration.round(1)}ms)" + end + + debug { event.payload[:mail] } end + # An email was received. def receive(event) - return unless logger.info? - info("\nReceived mail (#{event.duration.round(1)}ms)") - debug(event.payload[:mail]) + info { "\nReceived mail (#{event.duration.round(1)}ms)" } + debug { event.payload[:mail] } + end + + # An email was generated. + def process(event) + debug do + mailer = event.payload[:mailer] + action = event.payload[:action] + "\n#{mailer}##{action}: processed outbound mail in #{event.duration.round(1)}ms" + end end + # Use the logger configured for ActionMailer::Base def logger ActionMailer::Base.logger end diff --git a/actionmailer/lib/action_mailer/mail_helper.rb b/actionmailer/lib/action_mailer/mail_helper.rb index ec84256491..cc7935a7e0 100644 --- a/actionmailer/lib/action_mailer/mail_helper.rb +++ b/actionmailer/lib/action_mailer/mail_helper.rb @@ -1,4 +1,7 @@ module ActionMailer + # Provides helper methods for ActionMailer::Base that can be used for easily + # formatting messages, accessing mailer or message instances, and the + # attachments list. module MailHelper # Take the text and format it, indented two spaces for each line, and # wrapped at 72 columns. @@ -8,8 +11,8 @@ module ActionMailer }.join("\n\n") # Make list points stand on their own line - formatted.gsub!(/[ ]*([*]+) ([^*]*)/) { |s| " #{$1} #{$2.strip}\n" } - formatted.gsub!(/[ ]*([#]+) ([^#]*)/) { |s| " #{$1} #{$2.strip}\n" } + formatted.gsub!(/[ ]*([*]+) ([^*]*)/) { " #{$1} #{$2.strip}\n" } + formatted.gsub!(/[ ]*([#]+) ([^#]*)/) { " #{$1} #{$2.strip}\n" } formatted end @@ -26,7 +29,7 @@ module ActionMailer # Access the message attachments list. def attachments - @_message.attachments + mailer.attachments end # Returns +text+ wrapped at +len+ columns and indented +indent+ spaces. @@ -46,8 +49,9 @@ module ActionMailer end end - sentences.map { |sentence| - "#{" " * indent}#{sentence.join(' ')}" + indentation = " " * indent + sentences.map! { |sentence| + "#{indentation}#{sentence.join(' ')}" }.join "\n" end end diff --git a/actionmailer/lib/action_mailer/message_delivery.rb b/actionmailer/lib/action_mailer/message_delivery.rb new file mode 100644 index 0000000000..b5dc2d7497 --- /dev/null +++ b/actionmailer/lib/action_mailer/message_delivery.rb @@ -0,0 +1,115 @@ +require 'delegate' +require 'active_support/core_ext/string/filters' + +module ActionMailer + + # The <tt>ActionMailer::MessageDelivery</tt> class is used by + # <tt>ActionMailer::Base</tt> when creating a new mailer. + # <tt>MessageDelivery</tt> is a wrapper (+Delegator+ subclass) around a lazy + # created <tt>Mail::Message</tt>. You can get direct access to the + # <tt>Mail::Message</tt>, deliver the email or schedule the email to be sent + # through Active Job. + # + # Notifier.welcome(User.first) # an ActionMailer::MessageDelivery object + # Notifier.welcome(User.first).deliver_now # sends the email + # Notifier.welcome(User.first).deliver_later # enqueue email delivery as a job through Active Job + # Notifier.welcome(User.first).message # a Mail::Message object + class MessageDelivery < Delegator + def initialize(mailer, mail_method, *args) #:nodoc: + @mailer = mailer + @mail_method = mail_method + @args = args + end + + def __getobj__ #:nodoc: + @obj ||= @mailer.send(:new, @mail_method, *@args).message + end + + def __setobj__(obj) #:nodoc: + @obj = obj + end + + # Returns the Mail::Message object + def message + __getobj__ + end + + # Enqueues the email to be delivered through Active Job. When the + # job runs it will send the email using +deliver_now!+. That means + # that the message will be sent bypassing checking +perform_deliveries+ + # and +raise_delivery_errors+, so use with caution. + # + # Notifier.welcome(User.first).deliver_later! + # Notifier.welcome(User.first).deliver_later!(wait: 1.hour) + # Notifier.welcome(User.first).deliver_later!(wait_until: 10.hours.from_now) + # + # Options: + # + # * <tt>:wait</tt> - Enqueue the email to be delivered with a delay + # * <tt>:wait_until</tt> - Enqueue the email to be delivered at (after) a specific date / time + # * <tt>:queue</tt> - Enqueue the email on the specified queue + def deliver_later!(options={}) + enqueue_delivery :deliver_now!, options + end + + # Enqueues the email to be delivered through Active Job. When the + # job runs it will send the email using +deliver_now+. + # + # Notifier.welcome(User.first).deliver_later + # Notifier.welcome(User.first).deliver_later(wait: 1.hour) + # Notifier.welcome(User.first).deliver_later(wait_until: 10.hours.from_now) + # + # Options: + # + # * <tt>:wait</tt> - Enqueue the email to be delivered with a delay + # * <tt>:wait_until</tt> - Enqueue the email to be delivered at (after) a specific date / time + # * <tt>:queue</tt> - Enqueue the email on the specified queue + def deliver_later(options={}) + enqueue_delivery :deliver_now, options + end + + # Delivers an email without checking +perform_deliveries+ and +raise_delivery_errors+, + # so use with caution. + # + # Notifier.welcome(User.first).deliver_now! + # + def deliver_now! + message.deliver! + end + + # Delivers an email: + # + # Notifier.welcome(User.first).deliver_now + # + def deliver_now + message.deliver + end + + def deliver! #:nodoc: + ActiveSupport::Deprecation.warn(<<-MSG.squish) + `#deliver!` is deprecated and will be removed in Rails 5. Use + `#deliver_now!` to deliver immediately or `#deliver_later!` to + deliver through Active Job. + MSG + + deliver_now! + end + + def deliver #:nodoc: + ActiveSupport::Deprecation.warn(<<-MSG.squish) + `#deliver` is deprecated and will be removed in Rails 5. Use + `#deliver_now` to deliver immediately or `#deliver_later` to + deliver through Active Job. + MSG + + deliver_now + end + + private + + def enqueue_delivery(delivery_method, options={}) + args = @mailer.name, @mail_method.to_s, delivery_method.to_s, *@args + ActionMailer::DeliveryJob.set(options).perform_later(*args) + end + end +end diff --git a/actionmailer/lib/action_mailer/preview.rb b/actionmailer/lib/action_mailer/preview.rb new file mode 100644 index 0000000000..44cf6665ba --- /dev/null +++ b/actionmailer/lib/action_mailer/preview.rb @@ -0,0 +1,118 @@ +require 'active_support/descendants_tracker' + +module ActionMailer + module Previews #:nodoc: + extend ActiveSupport::Concern + + included do + # Set the location of mailer previews through app configuration: + # + # config.action_mailer.preview_path = "#{Rails.root}/lib/mailer_previews" + # + mattr_accessor :preview_path, instance_writer: false + + # Enable or disable mailer previews through app configuration: + # + # config.action_mailer.show_previews = true + # + # Defaults to true for development environment + # + mattr_accessor :show_previews, instance_writer: false + + # :nodoc: + mattr_accessor :preview_interceptors, instance_writer: false + self.preview_interceptors = [] + end + + module ClassMethods + # Register one or more Interceptors which will be called before mail is previewed. + def register_preview_interceptors(*interceptors) + interceptors.flatten.compact.each { |interceptor| register_preview_interceptor(interceptor) } + end + + # Register an Interceptor which will be called before mail is previewed. + # 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. + def register_preview_interceptor(interceptor) + preview_interceptor = case interceptor + when String, Symbol + interceptor.to_s.camelize.constantize + else + interceptor + end + + unless preview_interceptors.include?(preview_interceptor) + preview_interceptors << preview_interceptor + end + end + end + end + + class Preview + extend ActiveSupport::DescendantsTracker + + class << self + # Returns all mailer preview classes + def all + load_previews if descendants.empty? + descendants + end + + # Returns the mail object for the given email name. The registered preview + # interceptors will be informed so that they can transform the message + # as they would if the mail was actually being delivered. + def call(email) + preview = self.new + message = preview.public_send(email) + inform_preview_interceptors(message) + message + end + + # Returns all of the available email previews + def emails + public_instance_methods(false).map(&:to_s).sort + end + + # Returns true if the email exists + def email_exists?(email) + emails.include?(email) + end + + # Returns true if the preview exists + def exists?(preview) + all.any?{ |p| p.preview_name == preview } + end + + # Find a mailer preview by its underscored class name + def find(preview) + all.find{ |p| p.preview_name == preview } + end + + # Returns the underscored name of the mailer preview without the suffix + def preview_name + name.sub(/Preview$/, '').underscore + end + + protected + def load_previews #:nodoc: + if preview_path + Dir["#{preview_path}/**/*_preview.rb"].each{ |file| require_dependency file } + end + end + + def preview_path #:nodoc: + Base.preview_path + end + + def show_previews #:nodoc: + Base.show_previews + end + + def inform_preview_interceptors(message) #:nodoc: + Base.preview_interceptors.each do |interceptor| + interceptor.previewing_email(message) + end + end + end + end +end diff --git a/actionmailer/lib/action_mailer/railtie.rb b/actionmailer/lib/action_mailer/railtie.rb index 7677ff3a7c..bebcf4de01 100644 --- a/actionmailer/lib/action_mailer/railtie.rb +++ b/actionmailer/lib/action_mailer/railtie.rb @@ -1,3 +1,4 @@ +require 'active_job/railtie' require "action_mailer" require "rails" require "abstract_controller/railties/routes_helpers" @@ -18,6 +19,11 @@ module ActionMailer options.assets_dir ||= paths["public"].first options.javascripts_dir ||= paths["public/javascripts"].first options.stylesheets_dir ||= paths["public/stylesheets"].first + options.show_previews = Rails.env.development? if options.show_previews.nil? + + if options.show_previews + options.preview_path ||= defined?(Rails.root) ? "#{Rails.root}/test/mailers/previews" : nil + end # make sure readers methods get compiled options.asset_host ||= app.config.asset_host @@ -25,13 +31,21 @@ module ActionMailer ActiveSupport.on_load(:action_mailer) do include AbstractController::UrlFor - extend ::AbstractController::Railties::RoutesHelpers.with(app.routes) + extend ::AbstractController::Railties::RoutesHelpers.with(app.routes, false) include app.routes.mounted_helpers register_interceptors(options.delete(:interceptors)) + register_preview_interceptors(options.delete(:preview_interceptors)) register_observers(options.delete(:observers)) options.each { |k,v| send("#{k}=", v) } + + if options.show_previews + app.routes.prepend do + get '/rails/mailers' => "rails/mailers#index" + get '/rails/mailers/*path' => "rails/mailers#preview" + end + end end end @@ -40,5 +54,11 @@ module ActionMailer config.compile_methods! if config.respond_to?(:compile_methods!) end end + + config.after_initialize do + if ActionMailer::Base.preview_path + ActiveSupport::Dependencies.autoload_paths << ActionMailer::Base.preview_path + end + end end end diff --git a/actionmailer/lib/action_mailer/test_case.rb b/actionmailer/lib/action_mailer/test_case.rb index 207f949fe2..766215ce96 100644 --- a/actionmailer/lib/action_mailer/test_case.rb +++ b/actionmailer/lib/action_mailer/test_case.rb @@ -1,4 +1,5 @@ require 'active_support/test_case' +require 'rails-dom-testing' module ActionMailer class NonInferrableMailerError < ::StandardError @@ -15,11 +16,14 @@ module ActionMailer include ActiveSupport::Testing::ConstantLookup include TestHelper + include Rails::Dom::Testing::Assertions::SelectorAssertions + include Rails::Dom::Testing::Assertions::DomAssertions included do class_attribute :_mailer_class setup :initialize_test_deliveries setup :set_expected_mail + teardown :restore_test_deliveries end module ClassMethods @@ -54,11 +58,26 @@ module ActionMailer protected def initialize_test_deliveries - ActionMailer::Base.delivery_method = :test + set_delivery_method :test + @old_perform_deliveries = ActionMailer::Base.perform_deliveries ActionMailer::Base.perform_deliveries = true + end + + def restore_test_deliveries + restore_delivery_method + ActionMailer::Base.perform_deliveries = @old_perform_deliveries ActionMailer::Base.deliveries.clear end + def set_delivery_method(method) + @old_delivery_method = ActionMailer::Base.delivery_method + ActionMailer::Base.delivery_method = method + end + + def restore_delivery_method + ActionMailer::Base.delivery_method = @old_delivery_method + end + def set_expected_mail @expected = Mail.new @expected.content_type ["text", "plain", { "charset" => charset }] diff --git a/actionmailer/lib/action_mailer/test_helper.rb b/actionmailer/lib/action_mailer/test_helper.rb index 3ab37d8142..6ddacf7b79 100644 --- a/actionmailer/lib/action_mailer/test_helper.rb +++ b/actionmailer/lib/action_mailer/test_helper.rb @@ -1,12 +1,14 @@ module ActionMailer + # Provides helper methods for testing Action Mailer, including #assert_emails + # and #assert_no_emails module TestHelper # Asserts that the number of emails sent matches the given number. # # def test_emails # assert_emails 0 - # ContactMailer.deliver_contact + # ContactMailer.welcome.deliver_now # assert_emails 1 - # ContactMailer.deliver_contact + # ContactMailer.welcome.deliver_now # assert_emails 2 # end # @@ -15,12 +17,12 @@ module ActionMailer # # def test_emails_again # assert_emails 1 do - # ContactMailer.deliver_contact + # ContactMailer.welcome.deliver_now # end # # assert_emails 2 do - # ContactMailer.deliver_contact - # ContactMailer.deliver_contact + # ContactMailer.welcome.deliver_now + # ContactMailer.welcome.deliver_now # end # end def assert_emails(number) @@ -38,7 +40,7 @@ module ActionMailer # # def test_emails # assert_no_emails - # ContactMailer.deliver_contact + # ContactMailer.welcome.deliver_now # assert_emails 1 # end # diff --git a/actionmailer/lib/action_mailer/version.rb b/actionmailer/lib/action_mailer/version.rb index 0cb5dc6d64..06f80a8fdc 100644 --- a/actionmailer/lib/action_mailer/version.rb +++ b/actionmailer/lib/action_mailer/version.rb @@ -1,10 +1,9 @@ -module ActionMailer - module VERSION #:nodoc: - MAJOR = 4 - MINOR = 0 - TINY = 0 - PRE = "beta" +require_relative 'gem_version' - STRING = [MAJOR, MINOR, TINY, PRE].compact.join('.') +module ActionMailer + # Returns the version of the currently loaded Action Mailer as a + # <tt>Gem::Version</tt>. + def self.version + gem_version end end |