feat: complete Kra admin backend migration

internal/server/task_scheduler.go

@@ -76,6 +76,35 @@ func (s *TaskScheduler) Remove(id uint) {
 		delete(s.entries, id)
 	}
 }
+func (s *TaskScheduler) Reload(ctx context.Context) error {
+	s.mu.Lock()
+	for id, old := range s.entries {
+		if old.seconds {
+			s.seconds.Remove(old.entry)
+		} else {
+			s.standard.Remove(old.entry)
+		}
+		delete(s.entries, id)
+	}
+	s.mu.Unlock()
+	items, _, err := s.service.Tasks(ctx, 1, 100000, nil, nil)
+	if err != nil {
+		return err
+	}
+	for _, raw := range items {
+		id, _ := raw["ID"].(uint)
+		task, findErr := s.service.Task(ctx, id)
+		if findErr != nil {
+			return findErr
+		}
+		if task.Enabled {
+			if err = s.Schedule(task); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
 func (s *TaskScheduler) Schedule(task *biz.TimedTask) error {
 	s.Remove(task.ID)
 	if !task.Enabled {