// import 'package:proxibuy/data/models/datasources/offer_data_source.dart'; // import 'package:proxibuy/data/models/offer_model.dart'; // class OfferRepository { // final OfferDataSource _offerDataSource; // OfferRepository({required OfferDataSource offerDataSource}) // : _offerDataSource = offerDataSource; // Future> fetchOffers({required List selectedCategories}) async { // final allOffers = await _offerDataSource.getNearbyOffers(); // if (selectedCategories.isEmpty) { // return allOffers; // } // final filteredOffers = allOffers // .where((offer) => selectedCategories.contains(offer.category)) // .toList(); // return filteredOffers; // } // Future fetchOfferById(String id) async { // return _offerDataSource.getOfferById(id); // } // }