Assigned = not subscribed?

When ticket, tasks or milestone are created, assignees are also automatically subscribed to it, as well as project leader and person who creates the task are. This does not work when you re-assign task, ticket or milestone. In that case, you'll need to make the changes to subscribers manually. Also, assignees can unsubscribe if they want later on.

More about email notifications can be found here: Email Notifications.

Thanks, we'll consider it for one of the upcoming releases.

This feature will be part of one of the future releases (can't guarantee which), In the meantime, here is how you can get this to work on your server:

1. Open /activecollab/application/modules/resources/models/subscriptions/Subscriptions.class.php, find subscribeUsers() method and replace it with this code:

/**
 * Subscribe array of users to the object
 * 
 * If $replace is set to true, all subscriptions for this object will be 
 * dropped and $users will be subscribed to it
 *
 * @param array $users
 * @param ProjectObject $object
 * @param boolean $replace
 * @return boolean
 */
function subscribeUsers($users, $object, $replace = true) {
  db_begin_work();
  
  $object_id = (integer) $object->getId();
  if($object_id) {
    $subscriptions_table = TABLE_PREFIX . 'subscriptions';
    
    if($replace) {
      Subscriptions::deleteByParent($object); // cleanup
    } // if
  
    $to_subscribe = array();
    if(is_foreachable($users)) {
      foreach($users as $user) {
        if(instance_of($user, 'User')) {
          $user_id = (integer) $user->getId();
        } else {
          $user_id = (integer) $user;
        } // if
        
        if($user_id) {
          if(isset($to_subscribe[$user_id])) {
            continue; // duplicate user ID!
          } else {
            if(!$replace && array_var(db_execute_one("SELECT COUNT(*) AS 'row_count' FROM $subscriptions_table WHERE user_id = ? AND parent_id = ?", $user_id, $object_id), 'row_count') > 0) {
              continue; // Make sure that we do not have this user already subscribed
            } // if
            
            cache_remove("user_subscriptions_$user_id");
            $to_subscribe[$user_id] = "($user_id, $object_id)";
          } // if
        } // if
      } // foreach
    } // if
    
    // Insert subscriptions
    if(is_foreachable($to_subscribe)) {
      $insert = db_execute("INSERT INTO $subscriptions_table VALUES " . implode(', ', $to_subscribe));
      
      if(!$insert || is_error($insert)) {
        db_rollback();
        return $insert;
      } // if
    } // if
  } // if
  
  db_commit();
  return true;
} // subscribeUsers

2. Open ProjectObject.class.php (it's in /activecollab/application/modules/system/models/project_objects folder), find this block of code:

// Clean up assignments cache
clean_assignments_cache();

// Check if object is reassigned
if(!$is_new) {

and replace it with:

// Clean up assignments cache
clean_assignments_cache();

// Make sure that all assignees are subscribed
Subscriptions::subscribeUsers($assignees, $this, false);

// Check if object is reassigned
if(!$is_new) {

Please note, this is experimental. I did some tests - it works as expected, but you'll be using this hack at your own risk. If you notice anything unusual, please let us know so we can provide the fix.

Yes, it should be parent_id instead of object_id. Sorry about that, a minor mistype before committing to the repository :(