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-rw-r--r--actionmailer/CHANGELOG.md7
-rw-r--r--actionmailer/lib/action_mailer/base.rb39
-rw-r--r--actionmailer/lib/action_mailer/preview.rb32
-rw-r--r--actionmailer/test/base_test.rb78
4 files changed, 137 insertions, 19 deletions
diff --git a/actionmailer/CHANGELOG.md b/actionmailer/CHANGELOG.md
index 0ecb0235bc..2280688cbc 100644
--- a/actionmailer/CHANGELOG.md
+++ b/actionmailer/CHANGELOG.md
@@ -1,3 +1,10 @@
+* Add `Base.unregister_interceptor`, `Base.unregister_interceptors`,
+ `Base.unregister_preview_interceptor` and `Base.unregister_preview_interceptors`.
+ This makes it possible to dynamically add and remove email interceptors
+ at runtime in the same way they're registered.
+
+ *Claudio Ortolina*
+
* `config.force_ssl = true` will set
`config.action_mailer.default_url_options = { protocol: 'https' }`
diff --git a/actionmailer/lib/action_mailer/base.rb b/actionmailer/lib/action_mailer/base.rb
index cbd7cec70f..4c5d959e32 100644
--- a/actionmailer/lib/action_mailer/base.rb
+++ b/actionmailer/lib/action_mailer/base.rb
@@ -441,6 +441,8 @@ module ActionMailer
helper ActionMailer::MailHelper
+ private_class_method :find_class #:nodoc:
+
class_attribute :default_params
self.default_params = {
mime_version: "1.0",
@@ -460,16 +462,16 @@ module ActionMailer
interceptors.flatten.compact.each { |interceptor| register_interceptor(interceptor) }
end
+ # Unregister one or more Interceptors which would be called before mail is sent.
+ def unregister_interceptors(*interceptors)
+ interceptors.flatten.compact.each { |interceptor| unregister_interceptor(interceptor) }
+ end
+
# Register an Observer which will be notified when mail is delivered.
# 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 = case observer
- when String, Symbol
- observer.to_s.camelize.constantize
- else
- observer
- end
+ delivery_observer = find_class(observer)
Mail.register_observer(delivery_observer)
end
@@ -478,16 +480,20 @@ module ActionMailer
# 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 = case interceptor
- when String, Symbol
- interceptor.to_s.camelize.constantize
- else
- interceptor
- end
+ delivery_interceptor = find_class(interceptor)
Mail.register_interceptor(delivery_interceptor)
end
+ # Unregister a previously registered interceptor.
+ # 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 unregister_interceptor(interceptor)
+ delivery_interceptor = find_class(interceptor)
+
+ Mail.unregister_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
@@ -841,6 +847,15 @@ module ActionMailer
m
end
+ def self.find_class(klass_or_string_or_symbol)
+ case klass_or_string_or_symbol
+ when String, Symbol
+ klass_or_string_or_symbol.to_s.camelize.constantize
+ else
+ klass_or_string_or_symbol
+ end
+ end
+
protected
# Used by #mail to set the content type of the message.
diff --git a/actionmailer/lib/action_mailer/preview.rb b/actionmailer/lib/action_mailer/preview.rb
index aab92fe8db..0b37f405ee 100644
--- a/actionmailer/lib/action_mailer/preview.rb
+++ b/actionmailer/lib/action_mailer/preview.rb
@@ -30,21 +30,39 @@ module ActionMailer
interceptors.flatten.compact.each { |interceptor| register_preview_interceptor(interceptor) }
end
+ # Unregister one or more previously registered Interceptors.
+ def unregister_preview_interceptors(*interceptors)
+ interceptors.flatten.compact.each { |interceptor| unregister_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
-
+ preview_interceptor = find_class(interceptor)
unless preview_interceptors.include?(preview_interceptor)
preview_interceptors << preview_interceptor
end
end
+
+ # Unregister a previously registered Interceptor.
+ # 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 unregister_preview_interceptor(interceptor)
+ preview_interceptor = find_class(interceptor)
+ preview_interceptors.delete(preview_interceptor)
+ end
+
+ private
+
+ def find_class(klass_or_string_or_symbol) #:nodoc:
+ case klass_or_string_or_symbol
+ when String, Symbol
+ klass_or_string_or_symbol.to_s.camelize.constantize
+ else
+ klass_or_string_or_symbol
+ end
+ end
end
end
diff --git a/actionmailer/test/base_test.rb b/actionmailer/test/base_test.rb
index 50f2c71737..9828d80044 100644
--- a/actionmailer/test/base_test.rb
+++ b/actionmailer/test/base_test.rb
@@ -707,6 +707,47 @@ class BaseTest < ActiveSupport::TestCase
end
end
+ test "you can unregister an interceptor to the mail object that gets passed the mail object before delivery" do
+ mail_side_effects do
+ ActionMailer::Base.register_interceptor(MyInterceptor)
+ ActionMailer::Base.unregister_interceptor(MyInterceptor)
+ mail = BaseMailer.welcome
+ MyInterceptor.expects(:delivering_email).with(mail).never
+ mail.deliver_now
+ end
+ end
+
+ test "you can unregister an interceptor using its stringified name to the mail object that gets passed the mail object before delivery" do
+ mail_side_effects do
+ ActionMailer::Base.register_interceptor("BaseTest::MyInterceptor")
+ ActionMailer::Base.unregister_interceptor("BaseTest::MyInterceptor")
+ mail = BaseMailer.welcome
+ MyInterceptor.expects(:delivering_email).with(mail).never
+ mail.deliver_now
+ end
+ end
+
+ test "you can unregister an interceptor using its symbolized underscored name to the mail object that gets passed the mail object before delivery" do
+ mail_side_effects do
+ ActionMailer::Base.register_interceptor(:"base_test/my_interceptor")
+ ActionMailer::Base.unregister_interceptor(:"base_test/my_interceptor")
+ mail = BaseMailer.welcome
+ MyInterceptor.expects(:delivering_email).with(mail).never
+ mail.deliver_now
+ end
+ end
+
+ test "you can unregister multiple interceptors to the mail object that both get passed the mail object before delivery" do
+ mail_side_effects do
+ ActionMailer::Base.register_interceptors("BaseTest::MyInterceptor", MySecondInterceptor)
+ ActionMailer::Base.unregister_interceptors("BaseTest::MyInterceptor", MySecondInterceptor)
+ mail = BaseMailer.welcome
+ MyInterceptor.expects(:delivering_email).with(mail).never
+ MySecondInterceptor.expects(:delivering_email).with(mail).never
+ mail.deliver_now
+ end
+ end
+
test "being able to put proc's into the defaults hash and they get evaluated on mail sending" do
mail1 = ProcMailer.welcome['X-Proc-Method']
yesterday = 1.day.ago
@@ -944,4 +985,41 @@ class BasePreviewInterceptorsTest < ActiveSupport::TestCase
end
end
end
+
+ test "you can unregister a preview interceptor to the mail object that gets passed the mail object before previewing" do
+ ActionMailer::Base.register_preview_interceptor(MyInterceptor)
+ ActionMailer::Base.unregister_preview_interceptor(MyInterceptor)
+ mail = BaseMailer.welcome
+ BaseMailerPreview.any_instance.stubs(:welcome).returns(mail)
+ MyInterceptor.expects(:previewing_email).with(mail).never
+ BaseMailerPreview.call(:welcome)
+ end
+
+ test "you can unregister a preview interceptor using its stringified name to the mail object that gets passed the mail object before previewing" do
+ ActionMailer::Base.register_preview_interceptor("BasePreviewInterceptorsTest::MyInterceptor")
+ ActionMailer::Base.unregister_preview_interceptor("BasePreviewInterceptorsTest::MyInterceptor")
+ mail = BaseMailer.welcome
+ BaseMailerPreview.any_instance.stubs(:welcome).returns(mail)
+ MyInterceptor.expects(:previewing_email).with(mail).never
+ BaseMailerPreview.call(:welcome)
+ end
+
+ test "you can unregister an interceptor using its symbolized underscored name to the mail object that gets passed the mail object before previewing" do
+ ActionMailer::Base.register_preview_interceptor(:"base_preview_interceptors_test/my_interceptor")
+ ActionMailer::Base.unregister_preview_interceptor(:"base_preview_interceptors_test/my_interceptor")
+ mail = BaseMailer.welcome
+ BaseMailerPreview.any_instance.stubs(:welcome).returns(mail)
+ MyInterceptor.expects(:previewing_email).with(mail).never
+ BaseMailerPreview.call(:welcome)
+ end
+
+ test "you can unregister multiple preview interceptors to the mail object that both get passed the mail object before previewing" do
+ ActionMailer::Base.register_preview_interceptors("BasePreviewInterceptorsTest::MyInterceptor", MySecondInterceptor)
+ ActionMailer::Base.unregister_preview_interceptors("BasePreviewInterceptorsTest::MyInterceptor", MySecondInterceptor)
+ mail = BaseMailer.welcome
+ BaseMailerPreview.any_instance.stubs(:welcome).returns(mail)
+ MyInterceptor.expects(:previewing_email).with(mail).never
+ MySecondInterceptor.expects(:previewing_email).with(mail).never
+ BaseMailerPreview.call(:welcome)
+ end
end