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Diffstat (limited to 'guides/source/action_mailer_basics.md')
| -rw-r--r-- | guides/source/action_mailer_basics.md | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/guides/source/action_mailer_basics.md b/guides/source/action_mailer_basics.md index 041a427f7c..1acb993cad 100644 --- a/guides/source/action_mailer_basics.md +++ b/guides/source/action_mailer_basics.md @@ -839,13 +839,14 @@ Mailer Testing You can find detailed instructions on how to test your mailers in the [testing guide](testing.html#testing-your-mailers). -Intercepting Emails +Intercepting and Observing Emails ------------------- -There are situations where you need to edit an email before it's -delivered. Fortunately Action Mailer provides hooks to intercept every -email. You can register an interceptor to make modifications to mail messages -right before they are handed to the delivery agents. +Action Mailer provides hooks into the Mail observer and interceptor methods. These allow you to register classes that are called during the mail delivery life cycle of every email sent. + +### Intercepting Emails + +Interceptors allow you to make modifications to emails before they are handed off to the delivery agents. An interceptor class must implement the `:delivering_email(message)` method which will be called before the email is sent. ```ruby class SandboxEmailInterceptor @@ -869,3 +870,21 @@ NOTE: The example above uses a custom environment called "staging" for a production like server but for testing purposes. You can read [Creating Rails environments](configuring.html#creating-rails-environments) for more information about custom Rails environments. + +### Observing Emails + +Observers give you access to the email message after it has been sent. An observer class must implement the `:delivered_email(message)` method, which will be called after the email is sent. + +```ruby +class EmailDeliveryObserver + def self.delivered_email(message) + EmailDelivery.log(message) + end +end +``` +Like interceptors, you need to register observers with the Action Mailer framework. You can do this in an initializer file +`config/initializers/email_delivery_observer.rb` + +```ruby +ActionMailer::Base.register_observer(EmailDeliveryObserver) +``` |