145 lines
No EOL
3.3 KiB
JavaScript
145 lines
No EOL
3.3 KiB
JavaScript
/**
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* 存储相关工具函数
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*/
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const cloud = require('./cloud');
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const eventManager = require('./eventManager');
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// 存储键常量
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const STORAGE_KEY = 'tokens';
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/**
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* 从本地存储获取所有令牌
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* @returns {Promise<Array>} 令牌列表
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*/
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const getTokens = () => {
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return new Promise((resolve, reject) => {
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wx.getStorage({
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key: STORAGE_KEY,
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success: (res) => resolve(res.data || []),
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fail: (err) => {
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if (err.errMsg.includes('data not found')) {
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resolve([]);
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} else {
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reject(err);
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}
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}
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});
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});
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};
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/**
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* 保存令牌数组到本地存储
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* @param {Array} tokens - 令牌数组
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* @returns {Promise<void>} 异步操作结果
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*/
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const saveTokens = (tokens) => {
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return new Promise((resolve, reject) => {
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wx.setStorage({
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key: STORAGE_KEY,
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data: tokens,
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success: () => resolve(),
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fail: (err) => reject(err)
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});
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});
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};
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/**
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* 添加令牌到本地存储
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* @param {Object} tokenData - 令牌数据对象
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* @returns {Promise<void>} 异步操作结果
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*/
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const addToken = async (tokenData) => {
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try {
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const tokens = await getTokens();
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tokens.push(tokenData);
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await saveTokens(tokens);
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eventManager.emit('tokensUpdated', tokens);
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} catch (error) {
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throw error;
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}
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};
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/**
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* 更新令牌信息
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* @param {string} tokenId - 令牌ID
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* @param {Object} updates - 要更新的字段
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* @returns {Promise<void>} 异步操作结果
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*/
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const updateToken = async (tokenId, updates) => {
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try {
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const tokens = await getTokens();
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const index = tokens.findIndex(t => t.id === tokenId);
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if (index === -1) {
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throw new Error('令牌不存在');
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}
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tokens[index] = { ...tokens[index], ...updates };
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await saveTokens(tokens);
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} catch (error) {
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throw error;
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}
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};
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/**
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* 删除令牌
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* @param {string} tokenId - 令牌ID
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* @returns {Promise<void>} 异步操作结果
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*/
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const deleteToken = async (tokenId) => {
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try {
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const tokens = await getTokens();
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const newTokens = tokens.filter(t => t.id !== tokenId);
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await saveTokens(newTokens);
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} catch (error) {
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throw error;
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}
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};
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/**
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* 备份令牌到云端
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* @returns {Promise<string>} 云端数据ID
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*/
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const backupToCloud = async () => {
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try {
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const tokens = await getTokens();
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return await cloud.uploadTokens(tokens);
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} catch (error) {
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throw error;
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}
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};
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/**
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* 从云端恢复令牌
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* @param {Object} options - 恢复选项
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* @param {boolean} [options.merge=false] - 是否合并数据而不是覆盖
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* @param {boolean} [options.preferCloud=true] - 合并时是否优先使用云端数据
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* @returns {Promise<void>} 异步操作结果
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*/
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const restoreFromCloud = async (options = { merge: false, preferCloud: true }) => {
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try {
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const cloudData = await cloud.fetchLatestTokens();
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const cloudTokens = cloudData.tokens;
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if (options.merge) {
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const localTokens = await getTokens();
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const mergedTokens = cloud.mergeTokens(localTokens, cloudTokens, {
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preferCloud: options.preferCloud
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});
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await saveTokens(mergedTokens);
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} else {
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await saveTokens(cloudTokens);
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}
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} catch (error) {
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throw error;
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}
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};
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module.exports = {
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getTokens,
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addToken,
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updateToken,
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deleteToken,
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backupToCloud,
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restoreFromCloud
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}; |