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abelarismendyabelarismendy
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Feature/for you (#45)
* for you * fix errors
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‎lib/features/food/domain/models/cuisine_type.dart‎

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enum CuisineType {
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italian,
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chinese,
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mexican,
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indian,
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japanese,
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thai,
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french,
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mediterranean,
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vegan,
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local,
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}
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extension CuisineTypeExtension on CuisineType {
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String get displayName {
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switch (this) {
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case CuisineType.italian:
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return 'Italian';
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case CuisineType.chinese:
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return 'Chinese';
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case CuisineType.mexican:
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return 'Mexican';
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case CuisineType.indian:
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return 'Indian';
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case CuisineType.japanese:
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return 'Japanese';
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case CuisineType.thai:
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return 'Thai';
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case CuisineType.french:
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return 'French';
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case CuisineType.mediterranean:
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return 'Mediterranean';
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case CuisineType.vegan:
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return 'Vegan';
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case CuisineType.local:
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return 'Local';
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}
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}
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static CuisineType fromString(String cuisine) {
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return CuisineType.values.firstWhere(
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(CuisineType e) =>
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e.toString().split('.').last.toLowerCase() == cuisine.toLowerCase(),
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orElse: () => CuisineType.local,
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);
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}
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}

‎lib/features/food/domain/models/food_business.dart‎

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// ignore_for_file: sort_unnamed_constructors_first
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import 'package:eco_bites/features/food/domain/models/cuisine_type.dart';
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import 'package:eco_bites/features/food/domain/models/offer.dart';
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class FoodBusiness {
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factory FoodBusiness.fromMap(Map<String, dynamic> map, String id) {
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return FoodBusiness(
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id: id,
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name: map['name'] as String,
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cuisineType: CuisineType.values.firstWhere(
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(CuisineType e) => e.displayName == map['cuisineType'],
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orElse: () => CuisineType.local,
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),
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latitude: (map['latitude'] as num).toDouble(),
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longitude: (map['longitude'] as num).toDouble(),
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offers: (map['offers'] as List<dynamic>)
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.map(
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// ignore: always_specify_types
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(offerMap) => Offer.fromMap(
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offerMap as Map<String, dynamic>,
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offerMap['id'] as String,
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id,
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),
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)
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.toList(),
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imageUrl: map['imageUrl'] as String?,
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);
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}
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FoodBusiness({
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required this.id,
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required this.name,
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required this.cuisineType,
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required this.latitude,
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required this.longitude,
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required this.offers,
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this.imageUrl,
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});
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final String id;
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final String name;
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final CuisineType cuisineType;
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final double latitude;
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final double longitude;
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final List<Offer> offers;
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final String? imageUrl;
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Map<String, dynamic> toMap() {
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return <String, dynamic>{
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'name': name,
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'cuisineType': cuisineType.displayName,
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'latitude': latitude,
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'longitude': longitude,
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'offers': offers.map((Offer offer) => offer.toMap()).toList(),
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'imageUrl': imageUrl,
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};
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}
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}

‎lib/features/food/domain/models/offer.dart‎

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import 'package:cloud_firestore/cloud_firestore.dart';
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import 'package:eco_bites/features/food/domain/models/cuisine_type.dart';
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import 'package:eco_bites/features/food/domain/models/offer_type.dart';
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class Offer {
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Offer({
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required this.id,
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required this.type,
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required this.cuisineType,
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required this.description,
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required this.availableQuantity,
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required this.normalPrice,
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required this.offerPrice,
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required this.validUntil,
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required this.businessId,
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this.imageUrl,
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});
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final String id;
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final OfferType type;
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final CuisineType cuisineType;
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final String businessId;
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final String description;
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final int availableQuantity;
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final double normalPrice;
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final double offerPrice;
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final DateTime validUntil;
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final String? imageUrl;
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Map<String, dynamic> toMap() {
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return <String, dynamic>{
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'type': type.index,
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'description': description,
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'availableQuantity': availableQuantity,
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'normalPrice': normalPrice,
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'offerPrice': offerPrice,
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'validUntil': validUntil.toIso8601String(),
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'cuisineType': cuisineType.index,
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'businessId': businessId,
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'imageUrl': imageUrl,
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};
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}
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static Offer fromMap(Map<String, dynamic> map, String id, String businessId) {
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return Offer(
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id: id,
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type: OfferType.values.firstWhere(
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(OfferType e) => e.toString().split('.').last == map['type'],
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orElse: () => OfferType.values.first,
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),
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cuisineType: CuisineType.values.firstWhere(
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(CuisineType e) => e.toString().split('.').last == map['cuisineType'],
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orElse: () => CuisineType.values.first,
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),
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description: map['description'] as String,
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availableQuantity: map['availableQuantity'] as int,
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normalPrice: (map['normalPrice'] as num).toDouble(),
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offerPrice: (map['offerPrice'] as num).toDouble(),
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validUntil: (map['validUntil'] as Timestamp).toDate(),
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businessId: businessId,
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imageUrl: map['imageUrl'] as String?,
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);
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}
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// Add a method to convert the offer to a cart item
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Map<String, dynamic> toCartItem() {
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return <String, dynamic>{
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'id': id,
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'type': type.index,
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'description': description,
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'price': offerPrice,
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'businessId': businessId,
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'imageUrl': imageUrl,
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};
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}
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}

‎lib/features/food/domain/models/offer_type.dart‎

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enum OfferType {
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restaurant,
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ingredient,
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store,
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diary,
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drink,
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}

‎lib/features/food/presentation/bloc/food_business_bloc.dart‎

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import 'package:eco_bites/features/address/domain/models/address.dart';
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import 'package:eco_bites/features/address/presentation/bloc/address_bloc.dart';
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import 'package:eco_bites/features/address/presentation/bloc/address_state.dart';
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import 'package:eco_bites/features/food/domain/models/food_business.dart';
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import 'package:eco_bites/features/food/presentation/bloc/food_business_event.dart';
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import 'package:eco_bites/features/food/presentation/bloc/food_business_state.dart';
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import 'package:eco_bites/features/food/repository/food_business_repository.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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class FoodBusinessBloc extends Bloc<FoodBusinessEvent, FoodBusinessState> {
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FoodBusinessBloc({
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required this.foodBusinessRepository,
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required this.addressBloc,
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}) : super(FoodBusinessInitial()) {
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on<FetchSurplusFoodBusinesses>(_onFetchSurplusFoodBusinesses);
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}
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final FoodBusinessRepository foodBusinessRepository;
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final AddressBloc addressBloc;
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Future<void> _onFetchSurplusFoodBusinesses(
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FetchSurplusFoodBusinesses event,
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Emitter<FoodBusinessState> emit,
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) async {
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emit(FoodBusinessLoading());
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try {
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final AddressState addressState = addressBloc.state;
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if (addressState is AddressLoaded) {
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final Address userLocation = addressState.savedAddress;
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final List<FoodBusiness> foodBusinesses =
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await foodBusinessRepository.fetchNearbySurplusFoodBusinesses(
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userLocation: userLocation,
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favoriteCuisine: event.favoriteCuisine,
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);
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emit(FoodBusinessLoaded(foodBusinesses: foodBusinesses));
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} else {
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emit(
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const FoodBusinessError(
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message: 'User address not available. Please set your address.',
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),
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);
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}
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} catch (e) {
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emit(FoodBusinessError(message: e.toString()));
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}
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}
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}

‎lib/features/food/presentation/bloc/food_business_event.dart‎

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import 'package:eco_bites/features/food/domain/models/cuisine_type.dart';
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import 'package:equatable/equatable.dart';
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abstract class FoodBusinessEvent extends Equatable {
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const FoodBusinessEvent();
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@override
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List<Object?> get props => <Object?>[];
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}
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class FetchSurplusFoodBusinesses extends FoodBusinessEvent {
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const FetchSurplusFoodBusinesses({required this.favoriteCuisine});
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final CuisineType favoriteCuisine;
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@override
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List<Object?> get props => <Object?>[favoriteCuisine];
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}

‎lib/features/food/presentation/bloc/food_business_state.dart‎

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import 'package:eco_bites/features/food/domain/models/food_business.dart';
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import 'package:equatable/equatable.dart';
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abstract class FoodBusinessState extends Equatable {
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const FoodBusinessState();
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@override
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List<Object?> get props => <Object?>[];
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}
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class FoodBusinessInitial extends FoodBusinessState {}
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class FoodBusinessLoading extends FoodBusinessState {}
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class FoodBusinessLoaded extends FoodBusinessState {
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const FoodBusinessLoaded({required this.foodBusinesses});
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final List<FoodBusiness> foodBusinesses;
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@override
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List<Object?> get props => <Object?>[foodBusinesses];
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}
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class FoodBusinessError extends FoodBusinessState {
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const FoodBusinessError({required this.message});
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final String message;
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@override
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List<Object?> get props => <Object?>[message];
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}

‎lib/features/food/repository/food_business_repository.dart‎

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// ignore_for_file: avoid_print
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import 'package:cloud_firestore/cloud_firestore.dart';
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import 'package:eco_bites/core/utils/distance.dart';
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import 'package:eco_bites/features/address/domain/models/address.dart';
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import 'package:eco_bites/features/food/domain/models/cuisine_type.dart';
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import 'package:eco_bites/features/food/domain/models/food_business.dart';
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import 'package:eco_bites/features/food/domain/models/offer.dart';
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class FoodBusinessRepository {
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final FirebaseFirestore _firestore = FirebaseFirestore.instance;
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Future<List<FoodBusiness>> fetchNearbySurplusFoodBusinesses({
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required Address userLocation,
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required CuisineType favoriteCuisine,
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double distanceInKm = 5.0, // Default search radius
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}) async {
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try {
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// Fetch restaurants with the favorite cuisine
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print('==> favoriteCuisine: $favoriteCuisine');
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// favorite cuisine name
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print('==> favoriteCuisine: ${favoriteCuisine.name}');
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print('==> userLocation: $userLocation');
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print('==> distanceInKm: $distanceInKm');
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print('==> fetching nearby surplus food businesses');
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final QuerySnapshot<Map<String, dynamic>> foodBusinessSnapshot =
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await _firestore
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.collection('foddBusiness')
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.where('cuisineType', isEqualTo: favoriteCuisine.name)
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.get();
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print('==> foodBusinessSnapshot: ${foodBusinessSnapshot.docs}');
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final List<FoodBusiness> nearbyFoodBusinesses = <FoodBusiness>[];
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for (final QueryDocumentSnapshot<Map<String, dynamic>> doc
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in foodBusinessSnapshot.docs) {
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final QuerySnapshot<Map<String, dynamic>> offersSnapshot =
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await _firestore
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.collection('foddBusiness')
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.doc(doc.id)
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.collection('offers')
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.where('availableQuantity', isGreaterThan: 0)
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.where('validUntil', isGreaterThanOrEqualTo: Timestamp.now())
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.get();
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print('==> query snapshot: $offersSnapshot');
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print('==> offersSnapshot.docs: ${offersSnapshot.docs}');
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final List<Offer> surplusOffers = offersSnapshot.docs
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.map((QueryDocumentSnapshot<Map<String, dynamic>> offerDoc) {
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return Offer.fromMap(offerDoc.data(), offerDoc.id, doc.id);
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}).toList();
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if (surplusOffers.isNotEmpty) {
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final double distance = calculateDistance(
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userLocation.latitude,
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userLocation.longitude,
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(doc.data()['latitude'] as num?)?.toDouble() ?? 0.0,
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(doc.data()['longitude'] as num?)?.toDouble() ?? 0.0,
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);
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if (distance <= distanceInKm) {
64+
final FoodBusiness foodBusiness = FoodBusiness(
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id: doc.id,
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name: doc.data()['name'] ?? '',
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cuisineType: CuisineTypeExtension.fromString(
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doc.data()['cuisineType'] ?? 'local',
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),
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latitude: (doc.data()['latitude'] as num?)?.toDouble() ?? 0.0,
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longitude: (doc.data()['longitude'] as num?)?.toDouble() ?? 0.0,
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offers: surplusOffers,
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);
74+
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nearbyFoodBusinesses.add(foodBusiness);
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}
77+
}
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}
79+
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return nearbyFoodBusinesses;
81+
} catch (e) {
82+
print('Error fetching nearby surplus food businesses: $e');
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return <FoodBusiness>[];
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}
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}
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}

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