Added auto cleanup on untouched open tasks if more the 30 are open.

app/assets/javascripts/app/lib/app_post/task_manager.coffee

@@ -270,6 +270,8 @@ class _taskManagerSingleton extends App.Controller
     else
       @showControllerHideOthers(params.key, params_app)
 
+    @tasksAutoCleanupDelay()
+
   showControllerHideOthers: (thisKey, params_app) =>
     for key of @workers
       if key is thisKey
@@ -498,6 +500,26 @@ class _taskManagerSingleton extends App.Controller
     return if !task.id
     App.Taskbar.destroy(task.id)
 
+  tasksAutoCleanupDelay: =>
+    delay = =>
+      @tasksAutoCleanup()
+    App.Delay.set(delay, 10000, 'task-autocleanup')
+
+  tasksAutoCleanup: =>
+
+    # auto cleanup of old tasks
+    currentTaskCount = =>
+      Object.keys(@allTasksByKey).length
+
+    maxTaskCount = 30
+    if currentTaskCount() > maxTaskCount
+      for task in App.Taskbar.search(sortBy:'updated_at', order:'ASC')
+        if currentTaskCount() > maxTaskCount
+          if !task.active
+            if _.isEmpty(task.state) || (_.isEmpty(task.state.ticket) && _.isEmpty(task.state.article))
+              @log 'notice', "More then #{maxTaskCount} tasks open, close oldest untouched task #{task.key}"
+              @remove(task.key)
+
   tasksInitial: =>
     @init()