Merge pull request #14 from zapcannon87/rtm-onoff-status

refactor(rtm-onoff-status): add docs and expiration for offline key value

Author: zapcannon87

functions/rtm-onoff-status.js

@@ -3,14 +3,17 @@ var AV = require('leanengine')
 const {redisClient} = require('../redis')
 
 AV.Cloud.define('_clientOnline', async (request) => {
-  redisClient.set(redisKey(request.params.peerId), true)
+  // 设置某一客户端 ID 对应的值为 1，表示上线状态，同时清空过期计时
+  redisClient.set(redisKey(request.params.peerId), 1)
 })
 
 AV.Cloud.define('_clientOffline', async (request) => {
-  redisClient.set(redisKey(request.params.peerId), false)
+  // 设置某一客户端 ID 对应的值为 0，表示下线状态，同时设置过期计时
+  redisClient.set(redisKey(request.params.peerId), 0, 'EX', 604800)
 })
 
 AV.Cloud.define('getOnOffStatus', async (request) => {
+  // 约定 key: ”peerIds” 对应的值是一组客户端的 ID
   return redisClient.mget(request.params.peerIds.map(redisKey))
 })