242 lines
5.8 KiB
JavaScript
242 lines
5.8 KiB
JavaScript
let sessionList = "conversation" // 会话表名
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let chatList = "chatList" // 聊天表
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function getUserId(){
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let userInfo = uni.getStorageSync("userInfo")
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return userInfo.id
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}
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function getSessionName(){
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return sessionList + "_" + getUserId()
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}
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function getChatName(){
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return chatList + "_" + getUserId()
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}
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// 判断是否有用户表,没有则创建
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function tableIshas(){
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let sessionDB = uni.getStorageSync(getSessionName());
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if (!sessionDB) {
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uni.setStorageSync(getSessionName(), [])
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}
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let chatDB = uni.getStorageSync(getChatName());
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if (!chatDB) {
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uni.setStorageSync(getChatName(), [])
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}
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}
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// 获取未读消息数量
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function getUnReadTotal(){
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let list = uni.getStorageSync(getSessionName()) || []
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let unReadTotal = 0
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list.map(v =>{
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unReadTotal += Number(v.localUnreadNumber || 0)
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})
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return unReadTotal
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}
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/**
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* 聊天表插入数据
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* @param {Object} data 插入的数据
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* */
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/**
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* 创建聊天表
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* 数据结构：
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* {"froms":"100",
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* "to":"7a7ff181297f4fbf9be3c25860486c23",
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* "conversationId":"7a7ff181297f4fbf9be3c25860486c23", 会话id
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* "createTime":"1606212063382",
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* "msgType":"0",
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* "uid": "xxxxxxxxxxxxxxxxxx", 消息id
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* "status": 1, (默认)1-发送成功 2-发送失败
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* "content":"内容"}
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* */
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function addDataToChatTable(data){
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if (!data || data.toString() === "{}") return
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let list = uni.getStorageSync(getChatName()) || []
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list.push(data)
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uni.setStorageSync(getChatName(), list)
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}
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/**
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* 会话表插入数据
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* @param {Object} data 插入的数据
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* */
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/**
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* 创建会话表
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* 数据结构：
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* {
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* id 会话id
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* type 会话类型，1-用户 2-配送员 3-店铺
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* toType 会话类型，1-用户 2-配送员 3-店铺 4-配送员用户 5-店铺客户
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* userId 我的id
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* toUserId 对方用户id
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* imAccount 我的im账号
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toImAccount 对方im账号
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nickname 对方昵称
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headPortrait 对方头像
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storeLogoImage 对方店铺Id
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storeId 对方店铺头像
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storeName 对方店铺名称
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isStore 对方是否是商家
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isDistributor 对方是否是配送员
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unreadNumber 服务器剩余未读消息
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localUnreadNumber 本地未读消息（前端用）
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* }
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* */
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function addDataToSessionTable(data){
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if (!data || data.toString() === "{}") return
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let list = uni.getStorageSync(getSessionName()) || []
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console.log(list)
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list.push(data)
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uni.setStorageSync(getSessionName(), list)
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}
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/**
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* 查询获取数据库里的数据
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* @param {String} db 表名，默认会话信息表
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* @param {String} aa,bb分别为列名和列的值， cc,dd同前面
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* 传的参数按1,3,5来传，传一个，传三个，传五个参数，不能只传两个或者四个
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* */
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function selectInformationType(db, aa, bb, cc, dd){
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if (!db) db = sessionList
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db = db+"_"+getUserId()
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let list = uni.getStorageSync(db) || []
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let result = []
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if (!aa) {
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result = list
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} else if (aa && cc) {
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result = list.filter(item => item[aa] === bb && item[cc] === dd)
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} else if (aa && !cc) {
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result = list.filter(item => item[aa] === bb)
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}
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return result
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}
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/**
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* 删除数据库里的数据
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* @param {String} db 表名
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* @param {String} sol 列名
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* @param {String} qq 列值
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* */
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function deleteInformationType(db,sol,qq){
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if (!sol) return
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if (!db) db = chatList
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db = db+"_"+getUserId()
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let list = uni.getStorageSync(db) || []
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for(let i = list.length - 1; i >= 0; i--) {
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if (list[i][sol] === qq) {
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list.splice(i, 1)
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}
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}
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uni.setStorageSync(db, list)
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}
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/**
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* 删除表所有数据
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* @param {String} db 表名
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* */
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function delAllDataBySQL(db){
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if (!db) db = sessionList
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db = db+"_"+getUserId()
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uni.removeStorageSync(db)
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}
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/**
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* 修改数据表里的数据
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* @param {String} db 表名 默认为会话表
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* @param {String} cell 为要修改的列名
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* @param {String} cont 为要修改为什么值
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* @param {String} use 搜索列名
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* @param {String} sel 搜索列值
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* */
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function updateInformation(db, cell, cont, use, sel){
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if (!db) db = sessionList
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db = db + "_" + getUserId()
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let list = uni.getStorageSync(db) || []
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list.forEach((v, i) =>{
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if (v[use] === sel) {
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v[cell] = cont
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return
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}
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})
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uni.setStorageSync(db, list)
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}
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/**
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* 修改会话表数据
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* @param {String} data 参数
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* @param {String} use 列名
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* @param {String} sel 列值
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* */
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function updateSessionInformation(data, use, sel){
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let list = uni.getStorageSync(getSessionName()) || []
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if (!list.length) return
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let oldData = {};
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let index = 0
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list.forEach((v, i) =>{
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if (v[use] === sel) {
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oldData = v
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index = i
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return
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}
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})
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list[index] = Object.assign({}, oldData, data)
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uni.setStorageSync(getSessionName(), list)
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}
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/**
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* 一次获取指定数据条数
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* @param {String} db 表名
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* @param {String} aa 列名
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* @param {String} bb 列值
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* @param {Number} num 开始索引
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* @param {Number} size 条数，默认20
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* @param {String} sort 排序 desc倒序 asc顺序（默认）
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* */
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function pullSQL (db, aa, bb, num=0, size = 20, sort="asc") {
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return new Promise((resolve, reject) => {
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if (!db) db = chatList
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db = db+"_"+getUserId()
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let list = uni.getStorageSync(db) || []
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if (!list.length) {
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resolve(list)
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} else {
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let sortList = [...list]
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if (sort === "desc") {
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let data = []
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for(let i = list.length - 1; i >= 0; i--) {
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data.push(list[i])
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}
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sortList = [...data]
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}
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let newList = []
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for(let i = num; i < sortList.length; i++) {
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let obj = sortList[i];
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if (newList.length < size && obj[aa] === bb) {
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newList.push(obj)
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console.log("ddddd", newList)
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} else {
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obj = null;
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break;
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}
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}
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resolve(newList)
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}
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})
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}
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export {
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tableIshas,
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getUnReadTotal,
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addDataToChatTable,
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addDataToSessionTable,
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selectInformationType,
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deleteInformationType,
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updateInformation,
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updateSessionInformation,
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pullSQL
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} |