From 50ce84bfa9bc96a23cd6a590829123d7e4f4119d Mon Sep 17 00:00:00 2001
From: Alexander Machehin <alexander.machehin@gmail.com>
Date: Thu, 15 Nov 2012 00:10:03 +0600
Subject: [PATCH] remove old activity feeds

---
 app/models/activity_feed.rb   |  1 +
 config/schedule.rb            |  4 ++++
 lib/tasks/activity_feeds.rake | 12 ++++++++++++
 3 files changed, 17 insertions(+)
 create mode 100644 lib/tasks/activity_feeds.rake

diff --git a/app/models/activity_feed.rb b/app/models/activity_feed.rb
index 3b2b74e3e..aec51f088 100644
--- a/app/models/activity_feed.rb
+++ b/app/models/activity_feed.rb
@@ -10,6 +10,7 @@ class ActivityFeed < ActiveRecord::Base
   serialize :data
 
   default_scope order('created_at DESC')
+  scope :outdated, offset(100)
 
   self.per_page = 10
 
diff --git a/config/schedule.rb b/config/schedule.rb
index ff5f58ce7..dc4327b80 100644
--- a/config/schedule.rb
+++ b/config/schedule.rb
@@ -18,3 +18,7 @@ end
 every 1.day, :at => '3:30 am' do
   rake "pull_requests:clear", :output => 'log/pull_requests_clear.log'
 end
+
+every 1.day, :at => '3:00 am' do
+  rake "activity_feeds:clear", :output => 'log/activity_feeds.log'
+end
diff --git a/lib/tasks/activity_feeds.rake b/lib/tasks/activity_feeds.rake
new file mode 100644
index 000000000..89e08b357
--- /dev/null
+++ b/lib/tasks/activity_feeds.rake
@@ -0,0 +1,12 @@
+namespace :activity_feeds do
+  desc 'Remove outdated activity feeds'
+  task :clear => :environment do
+    say "Removing outdated Activity Feed"
+    User.all.each do |user|
+      outdated = ActivityFeed.outdated
+      say "User #{user.uname} has #{outdated.count} outdated ActivityFeed."
+      user.activity_feeds.outdated.destroy_all if outdated.count > 0
+    end
+    say "Outdated activity feeds was successfully removed."
+  end
+end