1/** 2 * @file Describe the file 3 * Copyright (c) 2023 Huawei Device Co., Ltd. 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17import HashSet from '@ohos.util.HashSet'; 18 19import AlertsUpdateJudger from '../AlertsUpdateJudger'; 20 21import { CalendarsColumns } from '@ohos/datastructure/src/main/ets/calendars/CalendarsColumns'; 22import { EventColumns } from '@ohos/datastructure/src/main/ets/events/EventColumns'; 23import { InstancesColumns } from '@ohos/datastructure/src/main/ets/instances/InstancesColumns'; 24import { RemindersColumns } from '@ohos/datastructure/src/main/ets/reminders/RemindersColumns'; 25import relationalStore from '@ohos.data.relationalStore'; 26 27/** 28 * 在数据表 插入或更新 场景下判断是否需要刷新 alerts 29 * 30 * @since 2022-09-09 31 */ 32export default class InsertOrUpdateAlertsUpdateJudgerImpl implements AlertsUpdateJudger { 33 // 新增或者修改数据的场景下，是否改变了这四张表的相关字段 34 tableNameMap = new Map<string, string[]>(); 35 36 constructor() { 37 this.tableNameMap.set(CalendarsColumns.TABLE_NAME, ['', '']) 38 this.tableNameMap.set(EventColumns.TABLE_NAME, ['', '']); 39 this.tableNameMap.set(InstancesColumns.TABLE_NAME, ['', '']); 40 this.tableNameMap.set(RemindersColumns.TABLE_NAME, ['', '']); 41 } 42 43 isNeedToUpdateAlerts(tableName: string, values: relationalStore.ValuesBucket) { 44 if (this.tableNameMap.has(tableName)) { 45 let rowArray: string[] | undefined = this.tableNameMap.get(tableName); 46 let keys: string[] = Object.keys(values); 47 let hashSet = new HashSet<string>(); 48 if (rowArray === null || rowArray === undefined) { 49 return false; 50 } 51 if (keys === null || keys === undefined) { 52 return false; 53 } 54 55 // 判断对应表中有无相关字段增加 56 rowArray.forEach((str) => { 57 hashSet.add(str); 58 }) 59 keys.forEach((str) => { 60 hashSet.add(str); 61 }) 62 if (rowArray.length + keys.length > hashSet.length) { 63 return true; 64 } 65 } 66 return false; 67 } 68} 69