melhorar o tem por filtro de ano

lib/controllers/team_controllers.dart

@@ -0,0 +1,44 @@
+import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:playmaker/service/auth_service.dart';
+
+class TeamController {
+  final AuthService _authService = AuthService();
+  final CollectionReference _teamsRef = FirebaseFirestore.instance.collection('teams');
+
+
+  Stream<QuerySnapshot> get teamsStream {
+    final uid = _authService.currentUid;
+    return _teamsRef
+        .where('userId', isEqualTo: uid) 
+        .orderBy('createdAt', descending: true)
+        .snapshots();
+  }
+
+  // --- CRIAR EQUIPA ---
+  Future<void> createTeam(String name, String season, String imageUrl) async {
+    final uid = _authService.currentUid;
+    
+    if (uid != null) {
+      try {
+        await _teamsRef.add({
+          'name': name,
+          'season': season,
+          'imageUrl': imageUrl,
+          'userId': uid, 
+          'createdAt': FieldValue.serverTimestamp(),
+        });
+      } catch (e) {
+        print("Erro ao criar equipa: $e");
+      }
+    } else {
+      print("Erro: Utilizador não autenticado.");
+    }
+  }
+  Future<void> deleteTeam(String docId) async {
+    try {
+      await _teamsRef.doc(docId).delete();
+    } catch (e) {
+      print("Erro ao eliminar: $e");
+    }
+  }
+}