frontend/lib/shared/api/api_provider.dart - master - Wizardd/Forms

frontend/lib/shared/api/api_provider.dart
67 строк2 KB
dimad2602
added form deletion
16 июн 2025, 17:39
16 июн 2025, 17:39c67eda4
import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;
import 'package:http/http.dart';

class ApiProvider {
  final String appBaseUrl;

  late Map<String, String> _mainHeaders;

  ApiProvider({required this.appBaseUrl}) {
    _mainHeaders = {'Content-type': 'application/json; charset=utf-8'};
  }

  Future<Response> getData(String uri, {Map<String, String>? headers}) async {
    try {
      debugPrint("get uri = ${appBaseUrl + uri}");
      Response response = await http.get(Uri.parse(appBaseUrl + uri),
          headers: headers ?? _mainHeaders);
      return response;
    } catch (e) {
      return http.Response('Error: $e', 500);
    }
  }

  Future<Response> postData(String uri, dynamic body) async {
    try {
      debugPrint("postData uri = ${appBaseUrl + uri}");
      Response response = await http.post(Uri.parse(appBaseUrl + uri),
          body: json.encode(body), headers: _mainHeaders);
      debugPrint(response.body);
      return response;
    } catch (e) {
      debugPrint('Error api client');
      debugPrint(e.toString());
      return Response('Error: $e', 500);
    }
  }

  Future<Response> delete({required String uri, dynamic body}) async {
    try {
      debugPrint("delete uri = ${appBaseUrl + uri}");
      Response response =
          await http.delete(Uri.parse(appBaseUrl + uri), headers: _mainHeaders);
      debugPrint(response.body);
      return response;
    } catch (e) {
      debugPrint('Error api client');
      debugPrint(e.toString());
      return Response('Error: $e', 500);
    }
  }

  Future<void> handleResponseError(http.Response response) async {
    if (response.statusCode == 200) {
      return;
    } else if (response.statusCode >= 500) {
      throw Exception('Server error occurred');
    } else if (response.statusCode == 401) {
      throw Exception('Unauthorized access');
    } else {
      final dynamic responseData = json.decode(response.body);
      final String errorMessage = responseData['message'] ?? 'Unknown error';
      throw Exception(errorMessage);
    }
  }
}