flutter-picgo/lib/utils/net.dart

import 'package:dio/dio.dart';
import 'package:flutter_picgo/api/qiniu_api.dart';
import 'package:flutter_picgo/api/tcyun_api.dart';
import 'package:flutter_picgo/api/upyun_api.dart';

const bool inProduction = const bool.fromEnvironment("dart.vm.product");

class NetUtils {
  Dio _dio;
  static NetUtils _instance;

  NetUtils._internal() {
    _dio = new Dio(BaseOptions(
        connectTimeout: 30000, receiveTimeout: 30000, sendTimeout: 30000));

    /// Tcyun Interceptor
    dio.interceptors.add(TcyunInterceptor());

    /// Upyun Interceptor
    dio.interceptors.add(UpyunInterceptor());

    /// Qiniu Interceptor
    dio.interceptors.add(QiniuInterceptor());

    /// Log Interceptor
    if (!inProduction) {
      /// Log
      dio.interceptors
          .add(LogInterceptor(requestBody: true, responseBody: true));
    }
  }

  Dio get dio => _dio;

  static NetUtils getInstance() {
    if (_instance == null) {
      _instance = NetUtils._internal();
    }
    return _instance;
  }

  /// get method
  Future get(String path,
      {Map<String, dynamic> queryParameters,
      Options options,
      CancelToken cancelToken,
      ProgressCallback onReceiveProgress}) async {
    return await dio.get(path,
        queryParameters: queryParameters,
        options: options,
        cancelToken: cancelToken,
        onReceiveProgress: onReceiveProgress);
  }

  /// post method
  Future post(
    String path, {
    data,
    Map<String, dynamic> queryParameters,
    Options options,
    CancelToken cancelToken,
    ProgressCallback onSendProgress,
    ProgressCallback onReceiveProgress,
  }) async {
    return await dio.post(path,
        data: data,
        queryParameters: queryParameters,
        options: options,
        cancelToken: cancelToken,
        onSendProgress: onSendProgress,
        onReceiveProgress: onReceiveProgress);
  }

  /// put method
  Future put(
    String path, {
    data,
    Map<String, dynamic> queryParameters,
    Options options,
    CancelToken cancelToken,
    ProgressCallback onSendProgress,
    ProgressCallback onReceiveProgress,
  }) async {
    return await dio.put(path,
        data: data,
        queryParameters: queryParameters,
        options: options,
        cancelToken: cancelToken,
        onSendProgress: onSendProgress,
        onReceiveProgress: onReceiveProgress);
  }

  /// delete method
  Future delete(String path,
      {data,
      Map<String, dynamic> queryParameters,
      Options options,
      CancelToken cancelToken}) async {
    return await dio.delete(path,
        data: data,
        queryParameters: queryParameters,
        options: options,
        cancelToken: cancelToken);
  }
}