dropdown ciudad

lib/src/screens/profile_web.dart

@@ -27,6 +27,7 @@ class _ProfileWebScreenState extends State<ProfileWebScreen> {
   final uid = AuthenticationRepository.instance.getCurrentUserUid();
   final FirebaseStorage storage = FirebaseStorage.instance;
   late final FirebaseAuth _auth;
+  List<City>? filteredCities;
 
   // variables imagen
   String selectedImage = '';
@@ -194,6 +195,18 @@ class _ProfileWebScreenState extends State<ProfileWebScreen> {
       }
     }
 
+    String? selectedCity = _ciudad;
+
+    // Guardar la ciudad seleccionada en el documento del usuario
+    try {
+      await FirebaseFirestore.instance.collection('users').doc(uid).update({
+        'city': selectedCity,
+      });
+      print('Ciudad actualizada correctamente');
+    } catch (e) {
+      print('Error al actualizar la ciudad: $e');
+    }
+
     try {
       await FirebaseFirestore.instance
           .collection('users')
@@ -263,6 +276,38 @@ class _ProfileWebScreenState extends State<ProfileWebScreen> {
     }
   }
 
+  Future<List<City>> _getCities() async {
+    List<City> citys = [];
+    try {
+      QuerySnapshot countries = await countriesCollection.get();
+      for (DocumentSnapshot country in countries.docs) {
+        String countryName = country.id;
+        Map<String, dynamic> data = country.data() as Map<String, dynamic>;
+        Map<String, Map<String, String>> states = {};
+
+        for (var entry in data.entries) {
+          String key = entry.key;
+          Map<String, String> cityData = Map<String, String>.from(entry.value);
+          states[key] = cityData;
+        }
+
+        for (var state in states.entries) {
+          var citysState = state.value.entries.map((city) => City(
+                cityName: city.key,
+                coordsOfCity: city.value,
+                stateOfCity: state.key,
+                countryOfCity: countryName,
+              ));
+
+          citys.addAll(citysState);
+        }
+      }
+    } catch (e) {
+      print('Error obteniendo las ciudades: $e');
+    }
+    return citys;
+  }
+
   @override
   Widget build(BuildContext context) {
     String city = _ciudad.toString();
@@ -384,32 +429,42 @@ class _ProfileWebScreenState extends State<ProfileWebScreen> {
                     _email != null
                         ? const SizedBox.shrink()
                         : const SizedBox(height: 20.0),
-                    TextFormField(
-                      readOnly: true,
-                      onTap: () async {
-                        final String? ciudad = await Navigator.push(
-                          context,
-                          CupertinoPageRoute(
-                            builder: (BuildContext context) {
-                              return const CityScreen();
-                            },
-                          ),
-                        ) as String?;
+                    FutureBuilder<List<City>>(
+                      future: _getCities(),
+                      builder: (context, snapshot) {
+                        if (snapshot.connectionState ==
+                            ConnectionState.waiting) {
+                          return Center(
+                            child: CircularProgressIndicator(),
+                          );
+                        } else if (snapshot.hasError) {
+                          return Center(
+                            child: Text('Error al obtener las ciudades'),
+                          );
+                        } else {
+                          List<City> filteredCities = snapshot.data!;
 
-                        if (ciudad != null) {
-                          setState(() {
-                            _ciudad = ciudad;
-                          });
+                          return DropdownButtonFormField<String>(
+                            value: _ciudad, // Valor seleccionado actualmente
+                            onChanged: (String? newValue) {
+                              setState(() {
+                                _ciudad =
+                                    newValue!; // Actualizar el valor seleccionado
+                              });
+                            },
+                            items: filteredCities.map((City city) {
+                              return DropdownMenuItem<String>(
+                                value: city.cityName,
+                                child: Text(city.cityName ?? ''),
+                              );
+                            }).toList(),
+                            decoration: InputDecoration(
+                              prefixIcon: const Icon(Icons.near_me),
+                              hintText: _ciudad == null ? 'Ciudad' : _ciudad!,
+                            ),
+                          );
                         }
                       },
-                      decoration: InputDecoration(
-                        prefixIcon: const Icon(Icons.near_me),
-                        suffixIcon: const Icon(Icons.arrow_drop_down),
-                        hintStyle: city == ''
-                            ? const TextStyle()
-                            : const TextStyle(color: Colors.black87),
-                        hintText: city == '' ? 'Ciudad' : city,
-                      ),
                     ),
                     const SizedBox(height: 20.0),
                     TextFormField(