Initial commit

flutter_app/lib/services/weather_service.dart

@@ -0,0 +1,19 @@
+import "../config/api_config.dart";
+import "../models/weather_info.dart";
+import "api_client.dart";
+import "mock_data.dart";
+
+class WeatherService {
+  final ApiClient _client;
+
+  WeatherService(this._client);
+
+  Future<WeatherInfo> fetchWeather({String? city}) async {
+    if (ApiConfig.useMockData) {
+      return MockDataStore.weather;
+    }
+    final query = city != null ? {"q": city} : null;
+    final data = await _client.getMap(ApiConfig.weather, query: query);
+    return WeatherInfo.fromJson(data);
+  }
+}