Add ping support

src/database/ping.ts

@@ -0,0 +1,67 @@
+/*
+ * server component for the TimeLimit App
+ * Copyright (C) 2019 - 2026 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 * as Sequelize from 'sequelize'
+import { familyIdColumn, idWithinFamilyColumn } from './columns'
+import { SequelizeAttributes } from './types'
+
+export interface PingAttributes {
+  familyId: string
+  receiverDeviceId: string
+  senderDeviceId: string
+  type: number
+  token: string
+}
+
+export const types = {
+  ping: 1,
+  pong: 2,
+  all: [1, 2]
+}
+
+export type PingModel = Sequelize.Model<PingAttributes> & PingAttributes
+export type PingModelStatic = typeof Sequelize.Model & {
+  new (values?: object, options?: Sequelize.BuildOptions): PingModel;
+}
+
+export const attributes: SequelizeAttributes<PingAttributes> = {
+  familyId: {
+    ...familyIdColumn,
+    primaryKey: true
+  },
+  receiverDeviceId: {
+    ...idWithinFamilyColumn,
+    primaryKey: true
+  },
+  senderDeviceId: {
+    ...idWithinFamilyColumn,
+    primaryKey: true
+  },
+  type: {
+    type: Sequelize.INTEGER,
+    allowNull: false,
+    validate: {
+      isIn: [types.all]
+    },
+    primaryKey: true
+  },
+  token: {
+    ...idWithinFamilyColumn
+  }
+}
+
+export const createPingModel = (sequelize: Sequelize.Sequelize): PingModelStatic => sequelize.define('Ping', attributes) as PingModelStatic