New rake task vip:gc_exercises.

Delete old exercises. You have to edit the task file to change the time from
when the exercises will be deleted.

1 files changed, 24 insertions, 0 deletions

diff --git a/lib/tasks/vip_garbage_collect_exercises.rake b/lib/tasks/vip_garbage_collect_exercises.rake
new file mode 100644
index 0000000..c7a0b31
--- /dev/null
+++ b/lib/tasks/vip_garbage_collect_exercises.rake
@@ -0,0 +1,24 @@
+namespace :vip do
+  desc "Delete old exercises."
+  task :gc_exercises => :environment  do
+    # ttl= 20*60 # 20 minutes
+    ttl= 30*24*3600 # 9999 years
+    Message.for_resource("numlab", "exercises").sort{|x,y| x.created_at <=> y.created_at}.each do |msg|
+      begin
+        body= JSON.parse(msg.body)
+        post_time= JSON.parse(msg.body)['Exercise']['postTime']
+        diff_time= Time::now.utc - Time::utc(*ParseDate::parsedate(post_time)) - ttl
+        if diff_time >= 0
+          Message::destroy_msg(msg)
+          txt= "Filter: delete message (#{Time::utc(*ParseDate::parsedate(post_time))}): #{msg.ressource.namespace}/#{msg.ressource.ressource}/#{msg.id.to_s}"
+          RAILS_DEFAULT_LOGGER.info txt
+          puts txt
+        end
+      rescue JSON::ParserError, Exception
+        txt= "Filter Exception: "+$!.class.to_s+": #{msg.ressource.namespace}/#{msg.ressource.ressource}/#{msg.id.to_s}"
+        RAILS_DEFAULT_LOGGER.error txt
+        puts txt
+      end
+    end
+  end
+end