Initial commit

lib/services/apiService.dart

@@ -0,0 +1,78 @@
+import 'dart:convert';
+import 'package:http/http.dart' as http;
+
+class ApiService {
+  final String baseUrl;
+
+  ApiService({required this.baseUrl});
+
+  Future<dynamic> get(String endpoint, {Map<String, String>? headers}) async {
+    final response = await http.get(
+      Uri.parse('$baseUrl$endpoint'),
+      headers: headers,
+    );
+    return _processResponse(response);
+  }
+
+  Future<dynamic> post(
+    String endpoint,
+    dynamic data, {
+    Map<String, String>? headers,
+  }) async {
+    final response = await http.post(
+      Uri.parse('$baseUrl$endpoint'),
+      headers: _jsonHeaders(headers),
+      body: jsonEncode(data),
+    );
+    return _processResponse(response);
+  }
+
+  Future<dynamic> postForm(String endpoint, Map<String, String> data) async {
+    final response = await http.post(
+      Uri.parse('$baseUrl$endpoint'),
+      headers: {
+        'Content-Type': 'application/x-www-form-urlencoded',
+        'accept': 'application/json',
+      },
+      body: data, // http package handles form-encoding for Map<String, String>
+    );
+    return _processResponse(response);
+  }
+
+  Future<dynamic> put(
+    String endpoint,
+    dynamic data, {
+    Map<String, String>? headers,
+  }) async {
+    final response = await http.put(
+      Uri.parse('$baseUrl$endpoint'),
+      headers: _jsonHeaders(headers),
+      body: jsonEncode(data),
+    );
+    return _processResponse(response);
+  }
+
+  Future<dynamic> delete(
+    String endpoint, {
+    Map<String, String>? headers,
+  }) async {
+    final response = await http.delete(
+      Uri.parse('$baseUrl$endpoint'),
+      headers: headers,
+    );
+    return _processResponse(response);
+  }
+
+  Map<String, String> _jsonHeaders(Map<String, String>? extra) {
+    return {'Content-Type': 'application/json', if (extra != null) ...extra};
+  }
+
+  dynamic _processResponse(http.Response res) {
+    final body = res.body.isNotEmpty ? jsonDecode(res.body) : null;
+    if (res.statusCode >= 200 && res.statusCode < 300) {
+      return body;
+    } else {
+      throw Exception('API error ${res.statusCode}: $body');
+    }
+  }
+}