huixiang_app/lib/utils/qiniu.dart

import 'dart:io';

import 'package:dio/dio.dart';
import 'package:flutter/cupertino.dart';
import 'package:huixiang/constant.dart';
import 'package:huixiang/retrofit/data/base_data.dart';
import 'package:huixiang/retrofit/retrofit_api.dart';
import 'package:path_provider/path_provider.dart';
import 'package:qiniu_flutter_sdk/qiniu_flutter_sdk.dart';

class Qiniu {


  Storage storage = Storage(config: Config());
  PutController putController = PutController();

  progressListener() {
    // 添加任务进度监听
    putController.addProgressListener((double percent) {
      print('任务进度变化：已发送：$percent');
    });

    // 添加文件发送进度监听
    putController.addSendProgressListener((double percent) {
      print('已上传进度变化：已发送：$percent');
    });

    // 添加任务状态监听
    putController.addStatusListener((StorageStatus status) {
      print('状态变化: 当前任务状态：$status');
    });

  }

  Future<String> uploadFile(ApiService apiService, String filePath) async {

    String token = await _getToken(apiService);

    File file = File(filePath);

    PutResponse putResponse = await storage.putFile(file, token, options: PutOptions(
      controller: putController,
      key: filePath.split('/').last,
    ));

    debugPrint("qiniuToken-result: ${putResponse.toJson()}");

    return "$chatImageHost/${putResponse.key}";
  }

  Future<String> _getToken(ApiService apiService) async {
    BaseData<String> baseData = await apiService.getQiniuToken()
        .catchError((error){
          debugPrint("getQiniuToken: $error");
    });
    if (baseData.isSuccess) {
      return baseData.data;
    } else {
      debugPrint("get token fail, check network");
      throw Error();
    }
  }

  final Dio dio = Dio();

  Future<String> downloadFile(String urlPath, {String savePath}) async {
    Directory dir = await getTemporaryDirectory();
    File newFile;
    if (savePath != null && savePath != '') {
      newFile = File(savePath);
    } else {
      newFile = File("${dir.path}/hx_${urlPath.split('/').last}");
    }
    Response response = await dio.download(urlPath, newFile.path);
    if (response.statusCode == 200) {
      return newFile.path;
    }
    return null;
  }

}