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/**
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* @class SessionLog 基础会话日志模型
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*/
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const BaseMod = require('./base')
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const Page = require('./page')
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const Platform = require('./platform')
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const Channel = require('./channel')
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const UserSessionLog = require('./userSessionLog')
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const Device = require('./device')
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const {
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DateTime
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} = require('../lib')
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module.exports = class SessionLog extends BaseMod {
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constructor() {
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super()
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this.tableName = 'session-logs'
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}
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/**
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* 会话日志批量填充
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* @param {Object} reportParams 上报参数
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*/
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async batchFill(reportParams) {
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let params, pageInfo, nowTime, firstVistTime, lastVistTime;
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const fillParams = []
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const page = new Page()
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const platform = new Platform()
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const dateTime = new DateTime()
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const channel = new Channel()
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const device = new Device()
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let res
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for (const pk in reportParams) {
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params = reportParams[pk]
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res = await this.fill(params)
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if (res.code) {
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console.error(res.msg)
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} else {
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//添加设备信息
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await device.setDevice(params)
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}
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}
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return res
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}
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/**
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* 会话日志填充
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* @param {Object} params 上报参数
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*/
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async fill(params) {
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// 应用信息
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if (!params.ak) {
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return {
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code: 200,
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msg: 'Parameter "ak" not found'
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}
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}
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// 平台信息
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if (!params.ut) {
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return {
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code: 200,
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msg: 'Parameter "ut" not found'
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}
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}
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// 设备信息
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if (!params.did) {
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return {
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code: 200,
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msg: 'Parameter "did" not found'
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}
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}
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// 页面信息
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const page = new Page()
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const pageInfo = await page.getPageAndCreate(params.ak, params.url, params.ttpj)
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if (!pageInfo || pageInfo.length === 0) {
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return {
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code: 300,
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msg: 'Not found this entry page'
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}
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}
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if (this.debug) {
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console.log('pageInfo', JSON.stringify(pageInfo))
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}
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const platform = new Platform()
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const dateTime = new DateTime()
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const channel = new Channel()
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const nowTime = dateTime.getTime()
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const firstVistTime = params.fvts ? dateTime.strToTime(params.fvts) : nowTime
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const lastVistTime = (params.lvts && params.lvts !== '0') ? dateTime.strToTime(params.lvts) : 0
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const fillParams = {
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appid: params.ak,
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version: params.v ? params.v : '',
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platform: platform.getPlatformCode(params.ut, params.p),
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channel: channel.getChannelCode(params),
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type: params.cst ? parseInt(params.cst) : 0,
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// 访问设备
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device_id: params.did,
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//是否为首次访问，判断标准：最后一次访问时间为0
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is_first_visit: (params.lt === '1' && !lastVistTime) ? 1 : 0,
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first_visit_time: firstVistTime,
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last_visit_time: nowTime,
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visit_count: params.tvc ? parseInt(params.tvc) : 1,
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// 用户相关
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last_visit_user_id: params.uid ? params.uid : '',
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// 页面相关
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entry_page_id: pageInfo._id,
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exit_page_id: pageInfo._id,
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page_count: 0,
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event_count: 0,
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duration: 1,
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// 版本
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sdk_version: params.mpsdk ? params.mpsdk : '',
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platform_version: params.mpv ? params.mpv : '',
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// 设备相关
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device_os_name: params.on ? params.on : platform.getOsName(params.p),
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device_os_version: params.sv ? params.sv : '',
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device_vendor: params.brand ? params.brand : '',
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device_model: params.md ? params.md : '',
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device_language: params.lang ? params.lang : '',
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device_pixel_ratio: params.pr ? params.pr : '',
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device_window_width: params.ww ? params.ww : '',
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device_window_height: params.wh ? params.wh : '',
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device_screen_width: params.sw ? params.sw : '',
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device_screen_height: params.sh ? params.sh : '',
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// 地区相关
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location_ip: params.ip ? params.ip : '',
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location_latitude: params.lat ? parseFloat(params.lat) : -1,
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location_longitude: params.lng ? parseFloat(params.lng) : -1,
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location_country: params.cn ? params.cn : '',
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location_province: params.pn ? params.pn : '',
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location_city: params.ct ? params.ct : '',
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is_finish: 0,
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create_time: nowTime
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}
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if(this.isHaveOldDeviceId(params)) {
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fillParams.old_device_id = params.odid
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}
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const res = await this.insert(this.tableName, fillParams)
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if (res && res.id) {
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//填充用户的会话日志
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if (params.uid) {
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await new UserSessionLog().fill({
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...params,
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page_id: pageInfo._id,
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sid: res.id
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})
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}
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return {
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code: 0,
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msg: 'success',
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data: {
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pageId: pageInfo._id,
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sessionLogId: res.id,
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entryPageId: fillParams.entry_page_id,
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eventCount: fillParams.event_count,
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startTime: fillParams.first_visit_time,
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createTime: fillParams.create_time,
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pageCount: fillParams.page_count,
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uid: fillParams.last_visit_user_id
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}
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}
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} else {
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return {
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code: 500,
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msg: 'Session log filled error'
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}
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}
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}
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/**
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* 判断是否包含老版本sdk生成的device_id, 此功能用于处理前端sdk升级后 device_id 发生变化导致日活、留存数据不准确的问题
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* @param {Object} params
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*/
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isHaveOldDeviceId(params) {
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if(params.odid && params.odid !== params.did && params.odid !== 'YluY92BA6nJ6NfixI77sFQ%3D%3D&ie=1') {
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console.log('params.odid', params.odid)
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return true
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}
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return false
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}
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/**
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* 获取会话
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* @param {Object} params 上报参数
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*/
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async getSession(params) {
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// 页面信息
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const page = new Page()
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const pageInfo = await page.getPageAndCreate(params.ak, params.url, params.ttpj)
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if (!pageInfo || pageInfo.length === 0) {
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return {
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code: 300,
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msg: 'Not found this entry page'
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}
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}
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const platformObj = new Platform()
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const platform = platformObj.getPlatformCode(params.ut, params.p)
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// 查询日志
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const sessionLogInfo = await this.getCollection(this.tableName).where({
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appid: params.ak,
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platform: platform,
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device_id: params.did,
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is_finish: 0
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}).orderBy('create_time', 'desc').limit(1).get()
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if (sessionLogInfo.data.length > 0) {
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const userSessionLog = new UserSessionLog()
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const sessionLogInfoData = sessionLogInfo.data[0]
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// 最后一次访问时间距现在超过半小时算上次会话已结束并生成一次新的会话
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let sessionExpireTime = this.getConfig('sessionExpireTime')
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sessionExpireTime = sessionExpireTime ? sessionExpireTime : 1800
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const sessionTime = new DateTime().getTime() - sessionLogInfoData.last_visit_time
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if (sessionTime >= sessionExpireTime * 1000) {
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if (this.debug) {
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console.log('session log time expired', sessionTime)
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}
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await this.update(this.tableName, {
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is_finish: 1
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}, {
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appid: params.ak,
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platform: platform,
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device_id: params.did,
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is_finish: 0
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})
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//关闭用户会话
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await userSessionLog.closeUserSession()
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return await this.fill(params)
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} else {
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//如果当前会话切换了用户则生成新的用户会话
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if (params.uid != sessionLogInfoData.last_visit_user_id) {
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await userSessionLog.checkUserSession({
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...params,
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page_id: pageInfo._id,
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sid: sessionLogInfoData._id,
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last_visit_user_id: sessionLogInfoData.last_visit_user_id
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})
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await this.update(this.tableName, {
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last_visit_user_id: params.uid ? params.uid : ''
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}, {
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_id: sessionLogInfoData._id
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})
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}
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return {
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code: 0,
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msg: 'success',
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data: {
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pageId: pageInfo._id,
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sessionLogId: sessionLogInfoData._id,
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entryPageId: sessionLogInfoData.entry_page_id,
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eventCount: sessionLogInfoData.event_count,
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startTime: sessionLogInfoData.first_visit_time,
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createTime: sessionLogInfoData.create_time,
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pageCount: sessionLogInfoData.page_count,
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uid: sessionLogInfoData.last_visit_user_id
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}
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}
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}
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} else {
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return await this.fill(params)
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}
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}
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/**
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* 更新会话信息
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* @param {String} sid 会话编号
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* @param {Object} data 更新数据
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*/
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async updateSession(sid, data) {
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const nowTime = new DateTime().getTime()
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const accessTime = nowTime - data.createTime
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const accessSenconds = accessTime > 1000 ? parseInt(accessTime / 1000) : 1
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const updateData = {
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last_visit_time: nowTime,
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duration: accessSenconds,
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}
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//访问页面数量
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if (data.addPageCount) {
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updateData.page_count = data.pageCount
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}
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//最终访问的页面编号
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if (data.pageId) {
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updateData.exit_page_id = data.pageId
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}
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//产生事件次数
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if (data.eventCount) {
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updateData.event_count = data.eventCount
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}
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if (this.debug) {
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console.log('update session log by sid-' + sid, updateData)
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}
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//更新会话
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await this.update(this.tableName, updateData, {
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_id: sid
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})
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//更新用户会话
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if (data.uid) {
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data.nowTime = nowTime
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await new UserSessionLog().updateUserSession(sid, data)
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}
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return true
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}
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/**
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* 清理日志数据
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* @param {Number} days 保留天数, 留存统计需要计算30天后留存率，因此至少应保留31天的日志数据
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*/
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async clean(days) {
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days = Math.max(parseInt(days), 1)
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console.log('clean session logs - day:', days)
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const dateTime = new DateTime()
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const res = await this.delete(this.tableName, {
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create_time: {
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$lt: dateTime.getTimeBySetDays(0 - days)
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}
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})
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if (!res.code) {
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console.log('clean session log:', res)
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}
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return res
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}
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}
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