/**
* Remove tag from an item
*
* @return void
*/
public function removeTask()
{
$this->requiresAuthentication();
$name = Request::getWord('tag', '');
$id = Request::getInt('id', 0);
$id = $id ? $id : $name;
$tag = new Tag($id);
if (!$tag->exists()) {
throw new Exception(Lang::txt('Specified tag does not exist.'), 404);
}
$scope = Request::getWord('scope', '');
$scope_id = Request::getInt('scope_id', 0);
$tagger = Request::getInt('tagger', 0);
if (!$scope || !$scope_id) {
throw new Exception(Lang::txt('Invalid scope and/or scope_id.'), 500);
}
if (!$tag->removeFrom($scope, $scope_id, $tagger)) {
throw new Exception(Lang::txt('Failed to remove tag from object.'), 500);
}
$this->send(null, 202);
}