flutter-go/lib/utils/data_utils.dart

import 'dart:async' show Future;

import 'package:flutter_go/model/version.dart';
import 'package:package_info/package_info.dart';

import './net_utils.dart';
import '../model/user_info.dart';
import 'package:flutter_go/api/api.dart';

class DataUtils {
  // 登陆获取用户信息
  static Future doLogin(Map<String, String> params) async {
    var response = await NetUtils.post(Api.DO_LOGIN, params);
    try {
      UserInformation userInfo = UserInformation.fromJson(response['data']);
      return userInfo;
    } catch (err) {
      return response['message'];
    }
  }

  // 获取用户信息
  static Future<UserInformation> getUserInfo(Map<String, String> params) async {
    var response = await NetUtils.get(Api.GET_USER_INFO, params);
    try {
      UserInformation userInfo = UserInformation.fromJson(response['data']);
      return userInfo;
    } catch (err) {
      return response['message'];
    }
  }

  // 验证登陆
  static Future checkLogin() async {
    var response = await NetUtils.get(Api.CHECK_LOGIN);
    try {
      if (response['success']) {
        UserInformation userInfo = UserInformation.fromJson(response['data']);
        return userInfo;
      } else {
        return response['success'];
      }
    } catch (err) {
      return response['message'];
    }
  }

  // 退出登陆
  static Future<bool> logout() async {
    var response = await NetUtils.get(Api.LOGOUT);
    print('退出登陆 $response');
    return response['success'];
  }

  // 检查版本
  static Future<bool> checkVersion(Map<String, String> params) async {
    var response = await NetUtils.get(Api.VERSION, params);
    Version version = Version.formJson(response);
    var currVersion = version.data.version;
    PackageInfo packageInfo = await PackageInfo.fromPlatform();
    var localVersion = packageInfo.version;
    //相同=0、大于=1、小于=-1
//    localVersion = '0.0.2';
//    currVersion = '1.0.6';
    if (currVersion.compareTo(localVersion) == 1) {
      return true;
    } else {
      return false;
    }
  }
}