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Co-authored-by: Copilot <copilot@github.com>

lib/features/customers/data/customer_repository.dart

@@ -1,8 +1,7 @@
 import 'package:file_picker/file_picker.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flux/core/blocs/session/session_cubit.dart';
 import 'package:flux/core/utils/extensions.dart';
-import 'package:flux/features/customers/models/customer_file_model.dart';
+import 'package:flux/features/attachments/models/attachment_model.dart';
 import 'package:get_it/get_it.dart';
 import 'package:supabase_flutter/supabase_flutter.dart';
 import '../models/customer_model.dart';
@@ -46,11 +45,11 @@ class CustomerRepository {
           .from('customer')
           .select('''
             *,
-            customer_file(*)
+            attachment(*)
             ''')
           .eq('company_id', companyId)
           .eq('is_active', true)
-          .order('nome');
+          .order('name');
 
       return (response as List).map((c) => CustomerModel.fromMap(c)).toList();
     } catch (e) {
@@ -78,36 +77,34 @@ class CustomerRepository {
   }
 
   /// Ascolta in tempo reale i file caricati per un cliente
-  Stream<List<CustomerFileModel>> getCustomerFilesStream(String customerId) {
+  Stream<List<AttachmentModel>> getCustomerFilesStream(String customerId) {
     return _supabase
-        .from('customer_file')
+        .from('attachment')
         .stream(primaryKey: ['id'])
         .eq('customer_id', customerId)
         .order('created_at', ascending: false)
         .map(
           (listOfMaps) =>
-              listOfMaps.map((map) => CustomerFileModel.fromMap(map)).toList(),
+              listOfMaps.map((map) => AttachmentModel.fromMap(map)).toList(),
         );
   }
 
   /// Recupera i file di un cliente specifico
-  Future<List<CustomerFileModel>> getCustomerFiles(String customerId) async {
+  Future<List<AttachmentModel>> getCustomerFiles(String customerId) async {
     try {
       final response = await _supabase
-          .from('customer_file')
+          .from('attachment')
           .select()
           .eq('customer_id', customerId);
 
-      return (response as List)
-          .map((f) => CustomerFileModel.fromMap(f))
-          .toList();
+      return (response as List).map((f) => AttachmentModel.fromMap(f)).toList();
     } catch (e) {
       throw '$e';
     }
   }
 
   /// Carica un file e salva il riferimento nel database
-  Future<CustomerFileModel> uploadAndRegisterFile({
+  Future<AttachmentModel> uploadAndRegisterFile({
     required String customerId,
     required PlatformFile pickedFile,
   }) async {
@@ -118,7 +115,8 @@ class CustomerRepository {
     final storagePath =
         '$companyId/customers/${DateTime.now().millisecondsSinceEpoch}_$cleanFileName';
     final int fileSize = pickedFile.size;
-    final fileToSave = CustomerFileModel(
+    final fileToSave = AttachmentModel(
+      companyId: companyId,
       customerId: customerId,
       name: cleanFileName.fileNameWithoutExtension(),
       extension: cleanFileName.fileExtension(),
@@ -146,46 +144,47 @@ class CustomerRepository {
       }
 
       final response = await _supabase
-          .from('customer_file')
+          .from('attachment')
           .insert(fileToSave.toMap())
           .select()
           .single();
 
-      return CustomerFileModel.fromMap(response);
+      return AttachmentModel.fromMap(response);
     } catch (e) {
       throw '$e';
     }
   }
 
-  Future<void> saveFileReference(CustomerFileModel file) async {
-    await _supabase.from('customer_file').upsert(file.toMap());
+  Future<void> saveFileReference(AttachmentModel file) async {
+    await _supabase.from('attachment').upsert(file.toMap());
   }
 
-  /// Aggiorna la lista degli URL nel database
-  Future<void> updateCustomerDocuments(int id, List<String> urls) async {
-    await _supabase
-        .from('customer')
-        .update({'document_urls': urls})
-        .eq('id', id);
-  }
-
-  Future<void> deleteDocuments(List<CustomerFileModel> files) async {
+  Future<void> deleteDocuments(List<AttachmentModel> files) async {
     if (files.isEmpty) return;
-
     // 1. Prepariamo le liste di ID e di Percorsi
-    final List<String> idsToDelete = files.map((f) => f.id!).toList();
-    final List<String> storagePaths = files.map((f) => f.storagePath).toList();
-
+    final List<String> idsToDelete = [];
+    final List<String> storagePathsToDelete = [];
+    final List<String> idsToEdit = [];
+    for (var file in files) {
+      if (file.operationId == null) {
+        idsToDelete.add(file.id!);
+        storagePathsToDelete.add(file.storagePath);
+      } else {
+        idsToEdit.add(file.id!);
+      }
+    }
     try {
-      // 2. Cancellazione MASSIVA dal DB (una sola chiamata invece di un ciclo!)
-      // .in_ dice: "cancella tutti i record il cui ID è contenuto in questa lista"
-      await _supabase
-          .from('customer_file')
-          .delete()
-          .inFilter('id', idsToDelete);
-
-      // 3. Cancellazione MASSIVA dallo Storage
-      await _supabase.storage.from('documents').remove(storagePaths);
+      if (idsToDelete.isNotEmpty) {
+        await _supabase.from('attachment').delete().inFilter('id', idsToDelete);
+        // 3. Cancellazione MASSIVA dallo Storage
+        await _supabase.storage.from('documents').remove(storagePathsToDelete);
+      }
+      if (idsToEdit.isNotEmpty) {
+        await _supabase
+            .from('attachment')
+            .update({'customer_id': null})
+            .inFilter('id', idsToEdit);
+      }
     } on PostgrestException catch (e) {
       throw e.message;
     } catch (e) {