added singleUserMode and removed StaffSection from forms

lib/features/operations/blocs/operation_form_cubit.dart

@@ -2,6 +2,7 @@ import 'package:equatable/equatable.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flux/core/blocs/session/session_cubit.dart';
 import 'package:flux/features/customers/models/customer_model.dart';
+import 'package:flux/features/master_data/staff/models/staff_member_model.dart';
 import 'package:flux/features/operations/data/operations_repository.dart';
 import 'package:flux/features/operations/models/operation_model.dart';
 import 'package:get_it/get_it.dart';
@@ -13,22 +14,20 @@ class OperationFormCubit extends Cubit<OperationFormState> {
   final OperationsRepository _repository = GetIt.I<OperationsRepository>();
   final SessionCubit _sessionCubit = GetIt.I<SessionCubit>();
   final Uuid _uuid = const Uuid();
-  final String createdById;
-  final String createdByName;
 
-  OperationFormCubit({required this.createdById, required this.createdByName})
-    : super(
-        OperationFormState(
-          // Inizializziamo con un modello vuoto di sicurezza
-          operation: OperationModel(
-            storeId: '',
-            companyId: '',
-            reference: '',
-            status: OperationStatus.draft,
-            createdAt: DateTime.now(),
-          ),
-        ),
-      );
+  OperationFormCubit({
+    StaffMemberModel? createdBy,
+    OperationModel? existingOperation,
+  }) : super(
+         OperationFormState(
+           operation:
+               existingOperation ??
+               OperationModel.empty().copyWith(
+                 staffId: createdBy?.id,
+                 staffDisplayName: createdBy?.name,
+               ),
+         ),
+       );
 
   Future<void> initForm({
     OperationModel? existingOperation,
@@ -45,26 +44,37 @@ class OperationFormCubit extends Cubit<OperationFormState> {
           ),
         );
       } else if (operationId != null) {
-        // Avendo separato i cubit, se ci passano solo l'ID lo scarichiamo dal DB
-        final operation = await _repository.fetchOperationById(operationId);
-        emit(
-          state.copyWith(
-            operation: operation,
-            status: OperationFormStatus.ready,
-          ),
-        );
+        emit(state.copyWith(status: OperationFormStatus.loading));
+        try {
+          final operation = await _repository.fetchOperationById(operationId);
+          emit(
+            state.copyWith(
+              operation: operation,
+              status: OperationFormStatus.ready,
+            ),
+          );
+        } on Exception catch (e) {
+          emit(
+            state.copyWith(
+              status: OperationFormStatus.failure,
+              errorMessage: e.toString(),
+            ),
+          );
+        }
       } else {
         // NUOVA PRATICA: Creiamo un nuovo Batch UUID
+        final currentStore = _sessionCubit.state.currentStore;
+        final companyId = _sessionCubit.state.company?.id ?? '';
+        final newOperation = state.operation.copyWith(
+          companyId: companyId,
+          storeId: currentStore?.id,
+          status: OperationStatus.success,
+          reference: '',
+          batchUuid: _uuid.v4(),
+        );
         emit(
           state.copyWith(
-            operation: OperationModel(
-              storeId: _sessionCubit.state.currentStore?.id ?? '',
-              reference: '',
-              createdAt: DateTime.now(),
-              companyId: _sessionCubit.state.company!.id!,
-              status: OperationStatus.draft,
-              batchUuid: _uuid.v4(),
-            ),
+            operation: newOperation,
             status: OperationFormStatus.ready,
           ),
         );