tiefen_space_app/utils/storeInfo.js

//存储数据
import AsyncStorage from "@react-native-async-storage/async-storage";
//查看系统版本、机型、设备类型
import * as Device from "expo-device";
import { Platform } from "react-native";

// {
//   "b_mid": 111,             // 用户id
//   "b_did": "xxx",           // 设备id
//   "b_ver": "1.0.0",         // 版本
//   "b_osver": "4.0.0",       // 系统版本
//   "b_dt": 0,                // 设备类型
//   "b_ch": "xiaomi",         //渠道
//   "b_model": "xiaomi 13",   // 机型
//   "b_nt": 0,                // 网络类型  // 0: wifi, 1: 流量
//   "b_ts": 1,                // 请求时间戳，毫秒级
//   "b_token": "xxxx",        // 请求令牌
//   "b_loc": {
//        "b_lon": 1.1,        // 经度
//        "b_lat": 1.1         // 纬度
//   }
//  }

//进入app时存储基本信息（b_did、b_ver、b_osver、b_dt、b_ch、b_model）
export async function storeAppInfo() {
  const Application = require("expo-application");
  async function getDid() {
    if (Platform.OS === "android") {
      return Application.getAndroidId();
    } else {
      return await Application.getIosIdForVendorAsync();
    }
  }

  const b_did = await getDid();
  const b_ver = Application.nativeApplicationVersion;
  const b_dt = Device.osName === "Android" ? 0 : 1;
  const b_ch = "production";
  const b_model = Device.modelName;
  const b_osver = Device.osVersion;

  const appInfo = {
    b_did: b_did,
    b_ver: b_ver,
    b_dt: b_dt,
    b_ch: b_ch,
    b_model: b_model,
    b_osver: b_osver,
  };

  try {
    await AsyncStorage.setItem("app_info", JSON.stringify(appInfo));
  } catch (e) {
    console.log(e);
  }
}

//保存数据
export async function save(key, value) {
  try {
    await AsyncStorage.setItem(key, JSON.stringify(value));
  } catch (e) {
    console.log(e);
  }
}

//获取数据
export async function get(key) {
  try {
    return await AsyncStorage.getItem(key).then((value) => {
      const jsonValue = JSON.parse(value);
      return jsonValue;
    });
  } catch (e) {
    console.log(e);
  }
}

//更新数据（不适用于数组）
export async function update(key, newValue) {
  try {
    await AsyncStorage.getItem(key).then(async (oldValue) => {
      newValue =
        typeof newValue === "object"
          ? Object.assign({}, JSON.parse(oldValue), newValue)
          : newValue;
      await AsyncStorage.setItem(key, JSON.stringify(newValue));
    });
  } catch (e) {
    console.log(e);
  }
}

//移除数据
export async function remove(key) {
  try {
    await AsyncStorage.removeItem(key);
  } catch (e) {
    console.log(e);
  }
}

//向数组类型数据添加值
export async function addArr(key, newValue) {
  try {
    await AsyncStorage.getItem(key).then(async (oldValue) => {
      if (oldValue) {
        newValue = [...newValue, ...JSON.parse(oldValue)];
      } else {
        newValue = [...newValue];
      }
      await AsyncStorage.setItem(key, JSON.stringify(newValue));
    });
  } catch (e) {
    console.log(e);
  }
}

//清除当前账号的全部聊天记录
export async function clearMessagesCache(userMid) {
  try {
    const keys = await AsyncStorage.getAllKeys();
    const userChatKeys = keys.filter((key) => key.startsWith(`${userMid}_to_`));
    await AsyncStorage.multiRemove(userChatKeys);
    console.log(`用户 ${userMid} 的聊天记录已清除`);
  } catch (error) {
    console.error(error);
  }
}