samples/ai_recipe_generation/lib/features/recipes/recipes_view_model.dart

import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:flutter/cupertino.dart';

import '../../services/firestore.dart';
import 'recipe_model.dart';

class SavedRecipesViewModel extends ChangeNotifier {
  List<Recipe> recipes = [];

  final recipePath = '/recipes';
  final firestore = FirebaseFirestore.instance;

  SavedRecipesViewModel() {
    firestore.collection(recipePath).snapshots().listen((querySnapshot) {
      recipes = querySnapshot.docs.map((doc) {
        final data = doc.data();
        return Recipe.fromFirestore(data);
      }).toList();
      notifyListeners();
    });
  }

  void deleteRecipe(Recipe recipe) {
    FirestoreService.deleteRecipe(recipe);
  }

  void updateRecipe(Recipe recipe) {
    FirestoreService.updateRecipe(recipe);
    notifyListeners();
  }
}