campus_react_local/App/utils/ChatUtils.js

import IMClient from 'react-native-im-client'
import {chatServer,chatPort} from '../network/API'
import {GlobalUserStorageTool, UserStorageKey} from "./GlobalUserStorageTool";

export default class Client {
    constructor(){}
    static sid = '';
   static async getToken(){
        return new Promise((resolve,reject)=> {
            GlobalUserStorageTool.load(UserStorageKey.UserInfo, (res) => {
                console.log('get token:::',res.token)
                resolve(res.token)
            }, (err) => {
                reject(err)
                console.warn(err)
            })
        })
}
    static async clientRequest(payload){
        return new Promise(resolve => {
            IMClient.asyncSend(payload).then(res=>{
                console.log("send response:",res)
                resolve(res)
            }).catch(err=>{
                console.warn(err)
            })
        })
    }
     static async connect (){
         return new Promise((resolve,reject)=>{IMClient.connect(chatServer,chatPort).then(res=>{
             resolve(res)
         }).catch(err=>{
             console.warn(err)
             reject (err)
         })})
     }

    static async setSession () {
        const payload = {
            operator: '/v1/session/start',
            params: JSON.stringify(
                {
                    "device": "pc",// 客户端设备信息：pc、pad、mobile、web等
                    "os": "linux", // 客户端运行的操作系统
                    "os_version": "3.6", // 操作系统版本
                    "app": "go-client", // 客户端运行的app
                    "app_version": "1.0", // // 客户端运行的app版本
                    "tag": {} // 用于发送自定义标记
                }
            )
        }
        const res = await this.clientRequest(payload);
        const sessionId = res && res.params && res.params.value;
        GlobalUserStorageTool.save('sid',sessionId)
        let token = global.token?global.token:await this.getToken()

        const bindSessionPayload = {
            operator: '/v1/session/bind/uid/by/token',
            params: JSON.stringify(
                {
                    "token": token,
                })
        }
        IMClient.setRequestProperty('sid',sessionId)
        // return new Promise((resolve, reject) => {
        //     console.log(sessionId)
        this.clientRequest(bindSessionPayload)
        return sessionId



        // })


    }

}