refactor dashboard note list

lib/features/home/dashboard_note_list/blocs/dashboard_note_list_cubit.dart

@@ -0,0 +1,73 @@
+import 'dart:async';
+
+import 'package:equatable/equatable.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flux/features/notes/data/notes_repository.dart';
+import 'package:flux/features/notes/models/note_model.dart';
+import 'package:get_it/get_it.dart';
+
+part 'dashboard_note_list_state.dart';
+
+class DashboardNoteListCubit extends Cubit<DashboardNoteListState> {
+  final NotesRepository _repository = GetIt.I.get<NotesRepository>();
+  final String? companyId;
+  final String? staffId;
+  StreamSubscription<void>? _subscription;
+
+  DashboardNoteListCubit({required this.companyId, required this.staffId})
+    : super(DashboardNoteListState(status: DashboardNoteListStatus.initial));
+
+  void stopListening() {
+    _subscription?.cancel();
+    _subscription = null;
+  }
+
+  void startListening() {
+    stopListening();
+
+    emit(state.copyWith(status: DashboardNoteListStatus.loading));
+
+    // Primo caricamento
+    _loadNotesSilently();
+
+    // Inizio ascolto campanello
+    try {
+      _subscription = _repository
+          .notesStream(companyId: companyId!, currentStaffId: staffId!)
+          .listen((_) {
+            // Quando il campanello suona (qualcosa è cambiato a DB), ricarichiamo!
+            _loadNotesSilently();
+          });
+    } on Exception catch (e) {
+      debugPrint(e.toString());
+    }
+  }
+
+  Future<void> _loadNotesSilently() async {
+    try {
+      final notes = await _repository.getNotes();
+
+      emit(
+        state.copyWith(
+          status: DashboardNoteListStatus.success,
+          notes: notes,
+          errorMessage: null,
+        ),
+      );
+    } catch (e) {
+      emit(
+        state.copyWith(
+          status: DashboardNoteListStatus.failure,
+          errorMessage: e.toString(),
+        ),
+      );
+    }
+  }
+
+  @override
+  Future<void> close() {
+    stopListening();
+    return super.close();
+  }
+}

lib/features/home/dashboard_note_list/blocs/dashboard_note_list_state.dart

@@ -0,0 +1,30 @@
+part of 'dashboard_note_list_cubit.dart';
+
+enum DashboardNoteListStatus { initial, loading, success, failure }
+
+class DashboardNoteListState extends Equatable {
+  final DashboardNoteListStatus status;
+  final List<NoteModel> notes;
+  final String? errorMessage;
+
+  const DashboardNoteListState({
+    this.status = DashboardNoteListStatus.initial,
+    this.notes = const [],
+    this.errorMessage,
+  });
+
+  DashboardNoteListState copyWith({
+    DashboardNoteListStatus? status,
+    List<NoteModel>? notes,
+    String? errorMessage,
+  }) {
+    return DashboardNoteListState(
+      status: status ?? this.status,
+      notes: notes ?? this.notes,
+      errorMessage: errorMessage ?? this.errorMessage,
+    );
+  }
+
+  @override
+  List<Object?> get props => [status, notes, errorMessage];
+}