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Nikesh Maharjan
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unsound null-safety
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‎.gitignore

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# Miscellaneous
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*.class
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*.log
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*.pyc
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*.swp
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.DS_Store
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.atom/
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.buildlog/
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.history
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.svn/
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# IntelliJ related
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*.iml
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*.ipr
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*.iws
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.idea/
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# The .vscode folder contains launch configuration and tasks you configure in
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# VS Code which you may wish to be included in version control, so this line
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# is commented out by default.
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#.vscode/
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# Flutter/Dart/Pub related
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**/doc/api/
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.dart_tool/
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.flutter-plugins
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.flutter-plugins-dependencies
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.packages
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.pub-cache/
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.pub/
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build/
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# Android related
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**/android/**/gradle-wrapper.jar
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**/android/.gradle
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**/android/captures/
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**/android/gradlew
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**/android/gradlew.bat
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**/android/local.properties
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**/android/**/GeneratedPluginRegistrant.java
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# iOS/XCode related
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**/ios/**/*.mode1v3
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**/ios/**/*.mode2v3
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**/ios/**/*.moved-aside
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**/ios/**/*.pbxuser
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**/ios/**/*.perspectivev3
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**/ios/**/*sync/
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**/ios/**/.sconsign.dblite
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**/ios/**/.tags*
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**/ios/**/.vagrant/
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**/ios/**/DerivedData/
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**/ios/**/Icon?
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**/ios/**/Pods/
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**/ios/**/.symlinks/
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**/ios/**/profile
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**/ios/**/xcuserdata
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**/ios/.generated/
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**/ios/Flutter/App.framework
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**/ios/Flutter/Flutter.framework
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**/ios/Flutter/Flutter.podspec
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**/ios/Flutter/Generated.xcconfig
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**/ios/Flutter/app.flx
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**/ios/Flutter/app.zip
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**/ios/Flutter/flutter_assets/
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**/ios/Flutter/flutter_export_environment.sh
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**/ios/ServiceDefinitions.json
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**/ios/Runner/GeneratedPluginRegistrant.*
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# Exceptions to above rules.
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!**/ios/**/default.mode1v3
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!**/ios/**/default.mode2v3
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!**/ios/**/default.pbxuser
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!**/ios/**/default.perspectivev3
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!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages

‎.metadata

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# This file tracks properties of this Flutter project.
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# Used by Flutter tool to assess capabilities and perform upgrades etc.
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#
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# This file should be version controlled and should not be manually edited.
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version:
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revision: 840c9205b344a59e48a5926ee2d791cc5640924c
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channel: stable
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project_type: package

‎CHANGELOG.md

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## [0.0.1] - TODO: Add release date.
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* TODO: Describe initial release.

‎LICENSE

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TODO: Add your license here.

‎README.md

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# rest_client
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A new Flutter package.
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## Getting Started
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This project is a starting point for a Dart
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[package](https://flutter.dev/developing-packages/),
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a library module containing code that can be shared easily across
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multiple Flutter or Dart projects.
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For help getting started with Flutter, view our
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[online documentation](https://flutter.dev/docs), which offers tutorials,
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samples, guidance on mobile development, and a full API reference.

‎lib/rest_client.dart

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library rest_client;
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export 'package:rest_client/src/dio/file_upload/file_upload_repository.dart';
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export 'package:rest_client/src/dio/http_config.dart';
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export 'package:rest_client/src/dio/http_helper.dart';
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export 'package:rest_client/src/dio/request/request_endpoint.dart';
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export 'package:rest_client/src/dio/request/request_model.dart';
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export 'package:rest_client/src/exceptions/network_exceptions.dart';

‎lib/src/dio/dio_builder.dart

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import 'package:dio/dio.dart';
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import 'package:flutter/foundation.dart';
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import 'package:rest_client/rest_client.dart';
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import 'package:rest_client/src/dio/interceptors/request_interceptor.dart';
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import 'interceptors/pretty_logger.dart';
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class DioBuilder {
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Dio _dio;
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final IHttpConfig config;
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DioBuilder({this.config});
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Dio build() {
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debugPrint('dio initialized ${config.baseUrl}');
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_dio = Dio();
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// ..options.connectTimeout = config?.connectTimeout ?? 10000
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// ..options.receiveTimeout = config?.receiveTimeout ?? 10000
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_dio.interceptors.add(PrettyLoggerInterceptor().prettyDioLogger);
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_dio.interceptors.add(RequestInterceptor(config).getInterceptor());
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_dio.options.baseUrl = config.baseUrl;
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// _dio.options.headers = {'Authorization':'Bearer ${config.token}'};
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return _dio;
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}
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}

‎lib/src/dio/file_upload/file_upload_repository.dart

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import 'package:dio/dio.dart';
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import 'package:flutter/foundation.dart';
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import 'package:http_parser/http_parser.dart';
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import 'package:mime/mime.dart';
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import 'package:rest_client/rest_client.dart';
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import 'package:rest_client/src/dio/dio_builder.dart';
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import 'package:rest_client/src/dio/request/request_endpoint.dart';
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abstract class IFileUploadRepository {
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Future<dynamic> uploadSingleFile(
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{@required IRequestEndPoint endPoint,
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@required String filePath,
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String filename,
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String key});
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}
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class FileUploadRepository implements IFileUploadRepository {
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final Dio _dio;
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IHttpConfig config;
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FileUploadRepository({@required IHttpConfig config})
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: _dio = DioBuilder(config: config).build();
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@override
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Future uploadSingleFile(
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{IRequestEndPoint endPoint,
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String filePath,
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String filename,
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String key = 'file'}) async {
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try {
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String mimetype = lookupMimeType(filePath);
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final formData = FormData.fromMap({
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key: await MultipartFile.fromFile(filePath,
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filename: filename, contentType: MediaType.parse(mimetype))
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});
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final response = await _dio.post(endPoint.url, data: formData);
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return response.data;
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} on DioError catch (e) {
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rethrow;
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}
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}
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}

‎lib/src/dio/http_config.dart

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abstract class IHttpConfig {
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String get baseUrl;
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Future<String> get token;
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int connectionTimeout;
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int receiveTimeout;
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String contentType;
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}

‎lib/src/dio/http_helper.dart

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import 'dart:io';
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import 'package:dio/dio.dart';
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import 'package:rest_client/rest_client.dart';
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import 'package:rest_client/src/dio/request/request_endpoint.dart';
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import 'package:rest_client/src/dio/request/request_model.dart';
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import 'dio_builder.dart';
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abstract class IHttpHelper {
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Future<dynamic> request(IRequestEndPoint endPoint, IRequestModel requestModel,
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{Map<String, dynamic> headers});
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}
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class HttpHelper implements IHttpHelper {
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final Dio _dio;
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CancelToken cancelToken = CancelToken();
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IHttpConfig config;
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HttpHelper({this.config}) : _dio = DioBuilder(config: config).build();
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@override
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Future request(IRequestEndPoint endPoint, IRequestModel requestModel,
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{Map<String, dynamic> headers}) async {
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try {
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switch (endPoint.method) {
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case RequestMethod.DELETE:
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return (await _dio.delete(endPoint.url,
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options: Options(headers: headers),
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queryParameters: requestModel.toJson(),
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cancelToken: cancelToken))
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.data;
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case RequestMethod.GET:
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return (await _dio.get(endPoint.url,
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options: Options(headers: headers),
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queryParameters: requestModel.toJson(),
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cancelToken: cancelToken))
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.data;
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case RequestMethod.POST:
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return (await _dio.post(endPoint.url,
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options: Options(headers: headers),
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data: requestModel.toJson(),
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cancelToken: cancelToken))
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.data;
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case RequestMethod.PATCH:
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return (await _dio.patch(endPoint.url,
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options: Options(headers: headers),
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data: requestModel.toJson(),
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cancelToken: cancelToken))
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.data;
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break;
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case RequestMethod.PUT:
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return (await _dio.put(endPoint.url,
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options: Options(headers: headers),
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data: requestModel.toJson(),
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cancelToken: cancelToken))
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.data;
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}
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} on DioError catch (e) {
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switch (e.response.statusCode) {
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//logout
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}
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return e.response.data;
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} on SocketException catch (e) {
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throw SocketException(e.toString());
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} on FormatException catch (_) {
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throw FormatException("Unable to process the data");
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} catch (e) {
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throw e;
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}
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}
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}

‎lib/src/dio/interceptors/pretty_logger.dart

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import 'package:pretty_dio_logger/pretty_dio_logger.dart';
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class PrettyLoggerInterceptor {
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final PrettyDioLogger prettyDioLogger = PrettyDioLogger(
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request: true, requestBody: true, requestHeader: true, maxWidth: 140);
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}

‎lib/src/dio/interceptors/request_interceptor.dart

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import 'package:dio/dio.dart';
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import 'package:flutter/foundation.dart';
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import '../http_config.dart';
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class RequestInterceptor {
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final IHttpConfig config;
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RequestInterceptor(this.config);
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InterceptorsWrapper getInterceptor() {
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return InterceptorsWrapper(onRequest: (RequestOptions options) async {
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return onRequest(options);
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});
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}
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Object onRequest(RequestOptions options) async {
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final token = await config.token;
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options.contentType = config.contentType;
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options.baseUrl = config.baseUrl;
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token != null
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? (options.headers['Authorization'] = 'Bearer ${await config.token}')
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: options.headers;
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debugPrint('baseUrl ${config.baseUrl}');
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return options;
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}
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}

‎lib/src/dio/request/request_endpoint.dart

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abstract class IRequestEndPoint {
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String get url;
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RequestMethod method;
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}
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enum RequestMethod { GET, POST, PATCH, PUT, DELETE }
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class RequestEndPoint implements IRequestEndPoint {
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final RequestMethod requestMethod;
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final String requestUrl;
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RequestEndPoint(this.requestMethod, this.requestUrl);
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@override
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RequestMethod method;
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@override
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String get url => requestUrl;
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}

‎lib/src/dio/request/request_model.dart

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abstract class IRequestModel {
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Map<String, dynamic> toJson();
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}
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class BaseRequestModel implements IRequestModel {
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@override
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Map<String, dynamic> toJson() => {};
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}

‎lib/src/dio/response/response_entity.dart

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import 'package:flutter/foundation.dart';
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class EmptyResponse {
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ResponseEntity<EmptyResponse> get response =>
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ResponseEntity(response: null, errorMessage: '', errors: null);
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}
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class ResponseEntity<T> {
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final T response;
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final String errorMessage;
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final Map<String, dynamic> errors;
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ResponseEntity(
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{@required this.response,
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@required this.errorMessage,
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@required this.errors});
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factory ResponseEntity.fromJson(
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{String rootNode = 'data',
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@required Map<String, dynamic> json,
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T Function(Object o) fromJson}) {
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return ResponseEntity(
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response: fromJson(json[rootNode]), errorMessage: '', errors: null);
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}
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factory ResponseEntity.fromEntity(T t) {
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return ResponseEntity(response: t, errorMessage: '', errors: null);
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}
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factory ResponseEntity.withError(String message) {
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return ResponseEntity(response: null, errorMessage: message, errors: null);
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}
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}

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