Merge pull request #6839 from bcardarella/async-actionmailer

Async actionmailer

1 files changed, 39 insertions, 0 deletions

diff --git a/actionmailer/lib/action_mailer/async.rb b/actionmailer/lib/action_mailer/async.rb
new file mode 100644
index 0000000000..86a5b0d035
--- /dev/null
+++ b/actionmailer/lib/action_mailer/async.rb
@@ -0,0 +1,39 @@
+require 'delegate'
+
+module ActionMailer::Async
+  def method_missing(method_name, *args)
+    if action_methods.include?(method_name.to_s)
+      QueuedMessage.new(queue, self, method_name, *args)
+    else
+      super
+    end
+  end
+
+  def queue
+    Rails.queue
+  end
+
+  class QueuedMessage < ::Delegator
+    attr_reader :queue
+
+    def initialize(queue, mailer_class, method_name, *args)
+      @queue        = queue
+      @mailer_class = mailer_class
+      @method_name  = method_name
+      @args         = args
+    end
+
+    def __getobj__
+      @actual_message ||= @mailer_class.send(:new, @method_name, *@args).message
+    end
+
+    def run
+      __getobj__.deliver
+    end
+
+    # Will push the message onto the Queue to be processed
+    def deliver
+      @queue << self
+    end
+  end
+end