Add the "force sync" action

src/action/forcesync.ts

@@ -0,0 +1,36 @@
+/*
+ * server component for the TimeLimit App
+ * Copyright (C) 2019 - 2020 Jonas Lochmann
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import { AppLogicAction } from './basetypes'
+
+export class ForceSyncAction extends AppLogicAction {
+  static instance = new ForceSyncAction()
+
+  private constructor () {
+    super()
+  }
+
+  serialize = (): SerializedForceSyncAction => ({
+    type: 'FORCE_SYNC'
+  })
+
+  static parse = (_: SerializedForceSyncAction) => ForceSyncAction.instance
+}
+
+export interface SerializedForceSyncAction {
+  type: 'FORCE_SYNC'
+}