146 lines
4.1 KiB
JavaScript
146 lines
4.1 KiB
JavaScript
import IndexedDBHelper from '@/common/IndexedDBHelper.js'
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import useChatGroupDBStore from '@/stores/userChatGroupStore'
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import config from '@/config'
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class BaseStore {
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db = null
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isDBReady = false
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dbName = 'AppMainDB'
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initPromise = null
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constructor() {
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// 不再自动执行初始化
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}
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/**
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* 手动初始化入口、建立连接、如果版本号不对付才会清理
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* 建议在登录成功后调用：await baseDB.init()
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*/
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async init() {
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// 如果已经有初始化任务在进行了，直接返回该任务
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if (this.initPromise) {
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return this.initPromise;
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}
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// 创建初始化任务
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this.initPromise = this.checkAndInitDB();
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try {
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await this.initPromise;
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console.log('数据库初始化成功');
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} catch (error) {
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this.initPromise = null; // 初始化失败允许下次重试
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console.error('数据库初始化失败:', error);
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throw error;
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}
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return this.db;
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}
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/**
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* 获取数据库实例
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* 如果没初始化，会强制触发一次 init
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*/
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async getDB() {
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if (!this.isDBReady) {
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return await this.init();
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}
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return this.db;
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}
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async checkAndInitDB() {
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if (config.OnlyUseCachedDB) {
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return this.initDB()
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}
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const localVersion = uni.getStorageSync('indexedDBVersion') || 1
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console.log('DBVersion: ', localVersion, config.DBversion)
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if (Number(localVersion) === Number(config.DBversion)) {
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return this.initDB()
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} else {
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console.log('检测到版本更新，清空重置旧数据库')
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await this.clearDB()
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uni.setStorageSync('indexedDBVersion', config.DBversion);
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return this.initDB();
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}
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}
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initDB() {
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this.db = new IndexedDBHelper(this.dbName, config.DBversion);
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return this.db.openDB([{
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name: 'record',
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keyPath: "id",
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autoIncrement: true
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},
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{
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name: 'messageGroup',
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keyPath: "id",
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autoIncrement: true
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},
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{
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name: 'messages',
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keyPath: "id",
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autoIncrement: true,
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indexes: [{
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name: 'parentGroupId',
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key: 'parentGroupId',
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unique: false
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}]
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},
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{
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name: 'api_cache',
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keyPath: "cacheKey",
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indexes: []
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}
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]).then(async () => {
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if (useChatGroupDBStore) {
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// 确保 Pinia Store 已准备好后再初始化子项
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useChatGroupDBStore().init()
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}
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this.isDBReady = true
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return this.db;
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});
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}
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async clearDB() {
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// 修正拼写错误并优化 Promise 写法
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return new IndexedDBHelper().deleteDB(this.dbName);
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}
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/**
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* 彻底清空数据库并重新初始化
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* 适用于切换账号或手动清理缓存
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* 非特殊情况不要重置！！！！！！！！！！！！！！！
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*/
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async resetAndReinit() {
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console.warn('开始执行数据库重置...');
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if (this.db && this.db.db) {
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this.db.db.close();
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}
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try {
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await this.clearDB();
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// 3. 重置内部状态
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this.db = null;
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this.isDBReady = false;
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this.initPromise = null;
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uni.setStorageSync('indexedDBVersion', config.DBversion);
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// 5. 重新调用初始化流程
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await this.init();
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console.log('数据库重置及初始化完成');
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return true;
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} catch (error) {
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console.error('数据库重置失败:', error);
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throw error;
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}
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}
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}
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// 导出实例
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const baseDB = new BaseStore()
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export default baseDB |