feat(app): seed restaurants, geocode addresses, refresh sharing

lib/presentation/view_models/add_restaurant_view_model.dart

@@ -5,6 +5,7 @@ import 'package:uuid/uuid.dart';
 import '../../domain/entities/restaurant.dart';
 import '../providers/di_providers.dart';
 import '../providers/restaurant_provider.dart';
+import '../providers/location_provider.dart';
 
 /// 식당 추가 화면의 상태 모델
 class AddRestaurantState {
@@ -248,6 +249,15 @@ class AddRestaurantViewModel extends StateNotifier<AddRestaurantState> {
       // 네이버에서 가져온 데이터가 있으면 업데이트
       final fetchedData = state.fetchedRestaurantData;
       if (fetchedData != null) {
+        final coords = await _resolveCoordinates(
+          latitudeText: state.formData.latitude,
+          longitudeText: state.formData.longitude,
+          roadAddress: state.formData.roadAddress,
+          jibunAddress: state.formData.jibunAddress,
+          fallbackLatitude: fetchedData.latitude,
+          fallbackLongitude: fetchedData.longitude,
+        );
+
         restaurantToSave = fetchedData.copyWith(
           name: state.formData.name,
           category: state.formData.category,
@@ -264,19 +274,28 @@ class AddRestaurantViewModel extends StateNotifier<AddRestaurantState> {
           jibunAddress: state.formData.jibunAddress.isEmpty
               ? state.formData.roadAddress
               : state.formData.jibunAddress,
-          latitude:
-              double.tryParse(state.formData.latitude) ?? fetchedData.latitude,
-          longitude:
-              double.tryParse(state.formData.longitude) ??
-              fetchedData.longitude,
+          latitude: coords.latitude,
+          longitude: coords.longitude,
           naverUrl: state.formData.naverUrl.isEmpty
               ? null
               : state.formData.naverUrl,
           updatedAt: DateTime.now(),
+          needsAddressVerification: coords.usedCurrentLocation,
         );
       } else {
         // 직접 입력한 경우
-        restaurantToSave = state.formData.toRestaurant();
+        final coords = await _resolveCoordinates(
+          latitudeText: state.formData.latitude,
+          longitudeText: state.formData.longitude,
+          roadAddress: state.formData.roadAddress,
+          jibunAddress: state.formData.jibunAddress,
+        );
+
+        restaurantToSave = state.formData.toRestaurant().copyWith(
+          latitude: coords.latitude,
+          longitude: coords.longitude,
+          needsAddressVerification: coords.usedCurrentLocation,
+        );
       }
 
       await notifier.addRestaurantDirect(restaurantToSave);
@@ -297,6 +316,68 @@ class AddRestaurantViewModel extends StateNotifier<AddRestaurantState> {
   void clearError() {
     state = state.copyWith(clearError: true);
   }
+
+  Future<({double latitude, double longitude, bool usedCurrentLocation})>
+  _resolveCoordinates({
+    required String latitudeText,
+    required String longitudeText,
+    required String roadAddress,
+    required String jibunAddress,
+    double? fallbackLatitude,
+    double? fallbackLongitude,
+  }) async {
+    final parsedLat = double.tryParse(latitudeText);
+    final parsedLon = double.tryParse(longitudeText);
+    if (parsedLat != null && parsedLon != null) {
+      return (
+        latitude: parsedLat,
+        longitude: parsedLon,
+        usedCurrentLocation: false,
+      );
+    }
+
+    final geocodingService = _ref.read(geocodingServiceProvider);
+    final address = roadAddress.isNotEmpty ? roadAddress : jibunAddress;
+    if (address.isNotEmpty) {
+      final result = await geocodingService.geocode(address);
+      if (result != null) {
+        return (
+          latitude: result.latitude,
+          longitude: result.longitude,
+          usedCurrentLocation: false,
+        );
+      }
+    }
+
+    // 주소로 좌표를 얻지 못하면 현재 위치를 활용한다.
+    try {
+      final position = await _ref.read(currentLocationProvider.future);
+      if (position != null) {
+        return (
+          latitude: position.latitude,
+          longitude: position.longitude,
+          usedCurrentLocation: true,
+        );
+      }
+    } catch (_) {
+      // 위치 권한 거부/오류 시 fallback 사용
+    }
+
+    if (fallbackLatitude != null && fallbackLongitude != null) {
+      return (
+        latitude: fallbackLatitude,
+        longitude: fallbackLongitude,
+        usedCurrentLocation: false,
+      );
+    }
+
+    final defaultCoords = geocodingService.defaultCoordinates();
+    return (
+      latitude: defaultCoords.latitude,
+      longitude: defaultCoords.longitude,
+      usedCurrentLocation: true,
+    );
+  }
 }
 
 /// AddRestaurantViewModel Provider