Apply column restrictions to the board

app/Helper/BoardHelper.php

@@ -24,4 +24,20 @@ class BoardHelper extends Base
     {
         return $this->userMetadataCacheDecorator->get(UserMetadataModel::KEY_BOARD_COLLAPSED.$project_id, 0) == 1;
     }
+
+    /**
+     * Return true if the task can be moved by the connected user
+     *
+     * @param array $task
+     * @return bool
+     */
+    public function isDraggable(array $task)
+    {
+        if ($task['is_active'] == 1 && $this->helper->user->hasProjectAccess('BoardViewController', 'save', $task['project_id'])) {
+            $srcColumnIds = $this->columnMoveRestrictionCacheDecorator->getAllSrcColumns($task['project_id']);
+            return ! isset($srcColumnIds[$task['column_id']]);
+        }
+
+        return false;
+    }
 }