1 files changed, 74 insertions, 0 deletions
diff --git a/app/Model/TaskReorderModel.php b/app/Model/TaskReorderModel.php
new file mode 100644
index 00000000..db72274c
--- /dev/null
+++ b/app/Model/TaskReorderModel.php
@@ -0,0 +1,74 @@
+<?php
+
+namespace Kanboard\Model;
+
+use Kanboard\Core\Base;
+
+class TaskReorderModel extends Base
+{
+    public function reorderByPriority($projectID, $swimlaneID, $columnID, $direction)
+    {
+        $this->db->startTransaction();
+
+        $taskIDs = $this->db->table(TaskModel::TABLE)
+            ->eq('project_id', $projectID)
+            ->eq('swimlane_id', $swimlaneID)
+            ->eq('column_id', $columnID)
+            ->orderBy('priority', $direction)
+            ->asc('id')
+            ->findAllByColumn('id');
+
+        $this->reorderTasks($taskIDs);
+
+        $this->db->closeTransaction();
+    }
+
+    public function reorderByAssigneeAndPriority($projectID, $swimlaneID, $columnID, $direction)
+    {
+        $this->db->startTransaction();
+
+        $taskIDs = $this->db->table(TaskModel::TABLE)
+            ->eq('tasks.project_id', $projectID)
+            ->eq('tasks.swimlane_id', $swimlaneID)
+            ->eq('tasks.column_id', $columnID)
+            ->asc('u.name')
+            ->asc('u.username')
+            ->orderBy('tasks.priority', $direction)
+            ->left(UserModel::TABLE, 'u', 'id', TaskModel::TABLE, 'owner_id')
+            ->findAllByColumn('tasks.id');
+
+        $this->reorderTasks($taskIDs);
+
+        $this->db->closeTransaction();
+    }
+
+    public function reorderByAssignee($projectID, $swimlaneID, $columnID, $direction)
+    {
+        $this->db->startTransaction();
+
+        $taskIDs = $this->db->table(TaskModel::TABLE)
+            ->eq('tasks.project_id', $projectID)
+            ->eq('tasks.swimlane_id', $swimlaneID)
+            ->eq('tasks.column_id', $columnID)
+            ->orderBy('u.name', $direction)
+            ->orderBy('u.username', $direction)
+            ->orderBy('u.id', $direction)
+            ->left(UserModel::TABLE, 'u', 'id', TaskModel::TABLE, 'owner_id')
+            ->findAllByColumn('tasks.id');
+
+        $this->reorderTasks($taskIDs);
+
+        $this->db->closeTransaction();
+    }
+
+    protected function reorderTasks(array $taskIDs)
+    {
+        $i = 1;
+        foreach ($taskIDs as $taskID) {
+            $this->db->table(TaskModel::TABLE)
+                ->eq('id', $taskID)
+                ->update(['position' => $i]);
+            $i++;
+        }
+    }
+}