habitica/website/client-old/js/components/groupTaskActions/groupTaskActionsController.js

habitrpg.controller('GroupTaskActionsCtrl', ['$scope', 'Shared', 'Tasks', 'User',
  function ($scope, Shared, Tasks, User) {
    $scope.assignedMembers = [];
    $scope.user = User.user;

    $scope.$on('addedGroupMember', function(evt, userId) {
      Tasks.assignTask($scope.task.id, userId);
    });

    $scope.$on('removedGroupMember', function(evt, userId) {
      Tasks.unAssignTask($scope.task.id, userId);
    });
  }]);