Add rake exception notification to mailchimp hooks

Author: jordanbyron

Gemfile.lock

@@ -126,10 +126,9 @@ GEM
       rails (>= 3.1.0)
       redcarpet (>= 2.0.0)
     metaclass (0.0.1)
-    minitest (2.12.1)
-    mocha (0.11.4)
     mime-types (1.19)
     minitest (2.12.1)
+    mocha (0.11.4)
     multi_json (1.3.6)
     multi_xml (0.2.2)
     multipart-post (1.1.5)

Rakefile

@@ -3,5 +3,6 @@
 
 require File.expand_path('../config/application', __FILE__)
 require 'rake'
+require File.expand_path('../lib/rake_exception_notification', __FILE__)
 
 PracticingRubyWeb::Application.load_tasks

lib/rake_exception_notification.rb

@@ -0,0 +1,26 @@
+module RakeExceptionNotification
+  # Exception notification (rails3) only works as a rack middleware,
+  # but what if you need notifications inside a rake task or a script?
+  # This is a quick hack around that.
+  #
+  # Source: https://gist.github.com/551136
+  #
+  # Wrap your code inside an exception_notify block and you will be notified of exceptions
+  #
+  # exception_notify { # Dangerous Code Here }
+  def exception_notify
+    yield
+  rescue Exception => exception
+    if Rails.env.production?
+      env = {}
+      env['exception_notifier.options'] = {
+        # TODO: DRY this configuration up
+        :email_prefix => '[Practicing Ruby Rake] ',
+        :exception_recipients => %w{[email protected] [email protected]},
+        :sections => ['backtrace']
+      }
+      ExceptionNotifier::Notifier.exception_notification(env, exception).deliver
+    end
+    raise exception
+  end
+end

lib/tasks/mailchimp.rake

@@ -1,13 +1,17 @@
 include ActionView::Helpers::TextHelper
+include RakeExceptionNotification
 
 namespace :mailchimp do
   desc 'Disable accounts which have been unsubscribed in mailchimp'
   task :disable_unsubscribed => :environment do
 
     puts "== Running mailchip:update_subscribers at #{Time.now} =="
 
-    user_manager = UserManager.new
+    exception_notify do
+      user_manager = UserManager.new
+      user_manager.disable_unsubscribed_users
 
-    user_manager.disable_unsubscribed_users
+      raise "Wow"
+    end
   end
 end