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mailer guide: fixes indentation, and use fixed width fonts wherever necessary

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Vijay Dev 2011-08-20 00:17:37 +05:30
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railties/guides/source/action_mailer_basics.textile
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@ -8,7 +8,7 @@ WARNING. This Guide is based on Rails 3.0. Some of the code shown here will not
h3. Introduction h3. Introduction
Action Mailer allows you to send emails from your application using a mailer model and views. So, in Rails, emails are used by creating mailers that inherit from +ActionMailer::Base+ and live in +app/mailers+. Those mailers have associated views that appear alongside controller views in +app/views+. Action Mailer allows you to send emails from your application using a mailer model and views. So, in Rails, emails are used by creating mailers that inherit from +ActionMailer::Base+ and live in +app/mailers+. Those mailers have associated views that appear alongside controller views in +app/views+.
h3. Sending Emails h3. Sending Emails
@ -48,10 +48,8 @@ class UserMailer < ActionMailer::Base
def welcome_email(user) def welcome_email(user)
@user = user @user = user
@url = "http://example.com/login" @url = "http://example.com/login"
mail(:to => user.email, mail(:to => user.email, :subject => "Welcome to My Awesome Site")
:subject => "Welcome to My Awesome Site")
end end
end end
</ruby> </ruby>
@ -142,17 +140,17 @@ end
This provides a much simpler implementation that does not require the registering of observers and the like. This provides a much simpler implementation that does not require the registering of observers and the like.
The method +welcome_email+ returns a Mail::Message object which can then just be told +deliver+ to send itself out. The method +welcome_email+ returns a <tt>Mail::Message</tt> object which can then just be told +deliver+ to send itself out.
NOTE: In previous versions of Rails, you would call +deliver_welcome_email+ or +create_welcome_email+. This has been deprecated in Rails 3.0 in favour of just calling the method name itself. NOTE: In previous versions of Rails, you would call +deliver_welcome_email+ or +create_welcome_email+. This has been deprecated in Rails 3.0 in favour of just calling the method name itself.
WARNING: Sending out one email should only take a fraction of a second, if you are planning on sending out many emails, or you have a slow domain resolution service, you might want to investigate using a background process like delayed job. WARNING: Sending out an email should only take a fraction of a second, but if you are planning on sending out many emails, or you have a slow domain resolution service, you might want to investigate using a background process like Delayed Job.
h4. Auto encoding header values h4. Auto encoding header values
Action Mailer now handles the auto encoding of multibyte characters inside of headers and bodies. Action Mailer now handles the auto encoding of multibyte characters inside of headers and bodies.
If you are using UTF-8 as your character set, you do not have to do anything special, just go ahead and send in UTF-8 data to the address fields, subject, keywords, filenames or body of the email and ActionMailer will auto encode it into quoted printable for you in the case of a header field or Base64 encode any body parts that are non US-ASCII. If you are using UTF-8 as your character set, you do not have to do anything special, just go ahead and send in UTF-8 data to the address fields, subject, keywords, filenames or body of the email and Action Mailer will auto encode it into quoted printable for you in the case of a header field or Base64 encode any body parts that are non US-ASCII.
For more complex examples such as defining alternate character sets or self encoding text first, please refer to the Mail library. For more complex examples such as defining alternate character sets or self encoding text first, please refer to the Mail library.
@ -213,7 +211,7 @@ NOTE: If you specify an encoding, Mail will assume that your content is already
h5. Making Inline Attachments h5. Making Inline Attachments
ActionMailer 3.0 makes inline attachments, which involved a lot of hacking in pre 3.0 versions, much simpler and trivial as they should be. Action Mailer 3.0 makes inline attachments, which involved a lot of hacking in pre 3.0 versions, much simpler and trivial as they should be.
* Firstly, to tell Mail to turn an attachment into an inline attachment, you just call <tt>#inline</tt> on the attachments method within your Mailer: * Firstly, to tell Mail to turn an attachment into an inline attachment, you just call <tt>#inline</tt> on the attachments method within your Mailer:
@ -245,15 +243,15 @@ h5. Sending Email To Multiple Recipients
It is possible to send email to one or more recipients in one email (for e.g. informing all admins of a new signup) by setting the list of emails to the <tt>:to</tt> key. The list of emails can be an array of email addresses or a single string with the addresses separated by commas. It is possible to send email to one or more recipients in one email (for e.g. informing all admins of a new signup) by setting the list of emails to the <tt>:to</tt> key. The list of emails can be an array of email addresses or a single string with the addresses separated by commas.
<ruby> <ruby>
class AdminMailer < ActionMailer::Base class AdminMailer < ActionMailer::Base
default :to => Admin.all.map(&:email), default :to => Admin.all.map(&:email),
:from => "notification@example.com" :from => "notification@example.com"
def new_registration(user) def new_registration(user)
@user = user @user = user
mail(:subject => "New User Signup: #{@user.email}") mail(:subject => "New User Signup: #{@user.email}")
end
end end
end
</ruby> </ruby>
The same format can be used to set carbon copy (Cc:) and blind carbon copy (Bcc:) recipients, by using the <tt>:cc</tt> and <tt>:bcc</tt> keys respectively. The same format can be used to set carbon copy (Cc:) and blind carbon copy (Bcc:) recipients, by using the <tt>:cc</tt> and <tt>:bcc</tt> keys respectively.
@ -264,12 +262,11 @@ Sometimes you wish to show the name of the person instead of just their email ad
to format the email address in the format <tt>"Name &lt;email&gt;"</tt>. to format the email address in the format <tt>"Name &lt;email&gt;"</tt>.
<ruby> <ruby>
def welcome_email(user) def welcome_email(user)
@user = user @user = user
email_with_name = "#{@user.name} <#{@user.email}>" email_with_name = "#{@user.name} <#{@user.email}>"
mail(:to => email_with_name, mail(:to => email_with_name, :subject => "Welcome to My Awesome Site")
:subject => "Welcome to My Awesome Site") end
end
</ruby> </ruby>
h4. Mailer Views h4. Mailer Views
@ -289,9 +286,7 @@ class UserMailer < ActionMailer::Base
:subject => "Welcome to My Awesome Site", :subject => "Welcome to My Awesome Site",
:template_path => 'notifications', :template_path => 'notifications',
:template_name => 'another') :template_name => 'another')
end
end end
end end
</ruby> </ruby>
@ -461,14 +456,14 @@ h3. Action Mailer Configuration
The following configuration options are best made in one of the environment files (environment.rb, production.rb, etc...) The following configuration options are best made in one of the environment files (environment.rb, production.rb, etc...)
|template_root|Determines the base from which template references will be made.| |+template_root+|Determines the base from which template references will be made.|
|logger|Generates 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.| |+logger+|Generates 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.|
|smtp_settings|Allows detailed configuration for :smtp delivery method:<ul><li>:address - Allows you to use a remote mail server. Just change it from its default "localhost" setting.</li><li>:port - On the off chance that your mail server doesn't run on port 25, you can change it.</li><li>:domain - If you need to specify a HELO domain, you can do it here.</li><li>:user_name - If your mail server requires authentication, set the username in this setting.</li><li>:password - If your mail server requires authentication, set the password in this setting.</li><li>:authentication - If your mail server requires authentication, you need to specify the authentication type here. This is a symbol and one of :plain, :login, :cram_md5.</li></ul>| |+smtp_settings+|Allows detailed configuration for <tt>:smtp</tt> delivery method:<ul><li><tt>:address</tt> - Allows you to use a remote mail server. Just change it from its default "localhost" setting.</li><li><tt>:port</tt> - On the off chance that your mail server doesn't run on port 25, you can change it.</li><li><tt>:domain</tt> - If you need to specify a HELO domain, you can do it here.</li><li><tt>:user_name</tt> - If your mail server requires authentication, set the username in this setting.</li><li><tt>:password</tt> - If your mail server requires authentication, set the password in this setting.</li><li><tt>:authentication</tt> - If your mail server requires authentication, you need to specify the authentication type here. This is a symbol and one of <tt>:plain</tt>, <tt>:login</tt>, <tt>:cram_md5</tt>.</li></ul>|
|sendmail_settings|Allows you to override options for the :sendmail delivery method.<ul><li>:location - The location of the sendmail executable. Defaults to /usr/sbin/sendmail.</li><li>:arguments - The command line arguments to be passed to sendmail. Defaults to -i -t.</li></ul>| |+sendmail_settings+|Allows you to override options for the <tt>:sendmail</tt> delivery method.<ul><li><tt>:location</tt> - The location of the sendmail executable. Defaults to <tt>/usr/sbin/sendmail</tt>.</li><li><tt>:arguments</tt> - The command line arguments to be passed to sendmail. Defaults to <tt>-i -t</tt>.</li></ul>|
|raise_delivery_errors|Whether or not errors should be raised if the email fails to be delivered.| |+raise_delivery_errors+|Whether or not errors should be raised if the email fails to be delivered.|
|delivery_method|Defines a delivery method. Possible values are :smtp (default), :sendmail, :file and :test.| |+delivery_method+|Defines a delivery method. Possible values are <tt>:smtp</tt> (default), <tt>:sendmail</tt>, <tt>:file</tt> and <tt>:test</tt>.|
|perform_deliveries|Determines whether deliveries are actually carried out when the +deliver+ method is invoked on the Mail message. By default they are, but this can be turned off to help functional testing.| |+perform_deliveries+|Determines whether deliveries are actually carried out when the +deliver+ method is invoked on the Mail message. By default they are, but this can be turned off to help functional testing.|
|deliveries|Keeps an array of all the emails sent out through the Action Mailer with delivery_method :test. Most useful for unit and functional testing.| |+deliveries+|Keeps an array of all the emails sent out through the Action Mailer with delivery_method :test. Most useful for unit and functional testing.|
h4. Example Action Mailer Configuration h4. Example Action Mailer Configuration