Group plans reorder tasks (#8358)

* Added move route for group tasks

* Added group task reorder to front end

* Added syncing with group task order

* Fixed linting issues

* Added missing exec and abstracted move code

* Added unit test for moveTask

website/client-old/js/directives/hrpg-sort-tasks.directive.js

@@ -6,10 +6,11 @@
     .directive('hrpgSortTasks', hrpgSortTasks);
 
   hrpgSortTasks.$inject = [
-    'User'
+    'User',
+    'Tasks',
   ];
 
-  function hrpgSortTasks(User) {
+  function hrpgSortTasks(User, Tasks) {
     return function($scope, element, attrs, ngModel) {
       $(element).sortable({
         axis: "y",
@@ -20,6 +21,13 @@
         stop: function (event, ui) {
           var task = angular.element(ui.item[0]).scope().task;
           var startIndex = ui.item.data('startIndex');
+
+          // Check if task is a group original task
+          if (task.group.id && !task.userId) {
+            Tasks.moveGroupTask(task._id, ui.item.index());
+            return;
+          }
+
           User.sortTask({
             params: { id: task._id, taskType: task.type },
             query: {