--- a/taskapp/events/task.py	Fri Feb 26 18:34:30 2010 +0530
+++ b/taskapp/events/task.py	Fri Feb 26 22:45:19 2010 +0530
@@ -25,6 +25,8 @@
         task.comment_set.update(is_deleted=True)
         task.comment_set.update(deleted_by=task.created_by)
 
+    task.published_datetime = datetime.datetime.now()
+
     task.save()
     return task
 
@@ -125,6 +127,7 @@
     task.created_by = created_by
     task.credits = credits
     task.creation_datetime = datetime.now()
+    task.published_datetime = datetime.now()
     task.save()
     return task
 

--- a/taskapp/models.py	Fri Feb 26 18:34:30 2010 +0530
+++ b/taskapp/models.py	Fri Feb 26 22:45:19 2010 +0530
@@ -87,6 +87,7 @@
     assigned_users = models.ManyToManyField(User, blank = True, related_name = "%(class)s_assigned_users")
     
     creation_datetime = models.DateTimeField()
+    published_datetime = models.DateTimeField()
     sub_type = models.CharField(max_length=1, choices = (('D','Dependency'),('S','Subtask')), default = 'D')   
     
     def __unicode__(self):

--- a/taskapp/views/task.py	Fri Feb 26 18:34:30 2010 +0530
+++ b/taskapp/views/task.py	Fri Feb 26 22:45:19 2010 +0530
@@ -16,7 +16,7 @@
     """ display all the tasks """
     
     user = request.user
-    task_list = Task.objects.exclude(status="UP").exclude(status="DL").order_by('creation_datetime').reverse()
+    task_list = Task.objects.exclude(status="UP").exclude(status="DL").order_by('published_datetime').reverse()
     
     context = {'user':user,
                'task_list':task_list,
@@ -35,21 +35,21 @@
     is_guest = True if not user.is_authenticated() else False
     is_mentor = True if user in task.mentors.all() else False
 
-    if user==task.created_by:
+    if user == task.created_by:
         context = {
             'user':user,
         }
-
-        if request.method == "POST":
-            publishTask(task)
-            return show_msg(user, "The task has been published", task_url, "view the task")
+        if task.status == "UP":
+            if request.method == "POST":
+                publishTask(task)
+                return show_msg(user, "The task has been published", task_url, "view the task")
+            else:
+                return render_to_response('task/publish.html', context)
         else:
-            return render_to_response('task/publish.html', context)
+            return show_msg(user, "The task is already published", task_url, "view the task")
     else:
         return show_msg(user, "You are not authorised to do this", '/task/browse/', "browse tasks")
 
-
-
 def view_task(request, tid):
     """ get the task depending on its tid and display accordingly if it is a get.
     check for authentication and add a comment if it is a post request.
@@ -283,7 +283,6 @@
     else:
         return show_msg(user, "You are not authorised to do this", task_url, "view the task")
 
-    
 def claim_task(request, tid):
     """ display a list of claims for get and display submit only if claimable """