Reset failed tasks

storage/auth.go

@@ -16,6 +16,7 @@ const (
 	RoleEdit         ManagerRole = 2
 	RoleManageAccess ManagerRole = 4
 	RoleSecret       ManagerRole = 8
+	RoleMaintenance  ManagerRole = 16
 )
 
 type Manager struct {

storage/maintenance.go

@@ -0,0 +1,13 @@
+package storage
+
+func (database *Database) ResetFailedTasks(pid int64) int64 {
+
+	db := database.getDB()
+
+	res, err := db.Exec(`UPDATE task SET status=1, retries=0, assign_time=NULL, assignee=NULL 
+		WHERE project=$1 AND status=2`, pid)
+	handleErr(err)
+
+	rowsAffected, _ := res.RowsAffected()
+	return rowsAffected
+}