refactor pesantissimo dei Customer Files

lib/core/widgets/image_viewer_widget.dart

@@ -1,6 +1,6 @@
 import 'dart:typed_data';
 import 'package:flutter/material.dart';
-import 'package:supabase_flutter/supabase_flutter.dart'; // <--- AGGIUNGI QUESTO
+import 'package:flux/core/utils/functions.dart';
 
 class ImageViewerWidget extends StatelessWidget {
   final String? storagePath; // ATTENZIONE: Ora contiene lo storagePath!
@@ -12,13 +12,6 @@ class ImageViewerWidget extends StatelessWidget {
         'Errore: Devi fornire un Path valido o i bytes del file!',
       );
 
-  // Funzione che chiede le chiavi a Supabase
-  Future<String> _getSignedUrl() async {
-    return await Supabase.instance.client.storage
-        .from('documents')
-        .createSignedUrl(storagePath!, 60); // Link che si autodistrugge in 60s
-  }
-
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -37,7 +30,7 @@ class ImageViewerWidget extends StatelessWidget {
           child: bytes != null
               ? Image.memory(bytes!)
               : FutureBuilder<String>(
-                  future: _getSignedUrl(),
+                  future: getSignedUrl(storagePath!),
                   builder: (context, snapshot) {
                     if (snapshot.connectionState == ConnectionState.waiting) {
                       return const CircularProgressIndicator();

lib/core/widgets/pdf_viewer_widget.dart

@@ -1,5 +1,6 @@
 import 'dart:typed_data';
 import 'package:flutter/material.dart';
+import 'package:flux/core/utils/functions.dart';
 import 'package:get_it/get_it.dart';
 import 'package:pdfx/pdfx.dart';
 import 'package:internet_file/internet_file.dart';
@@ -39,11 +40,7 @@ class _PdfViewerWidgetState extends State<PdfViewerWidget> {
         pdfData = widget.bytes!;
       } else if (widget.storagePath != null && widget.storagePath!.isNotEmpty) {
         // SCENARIO 2: Pratica salvata, scarichiamo da Supabase (Remoto)
-        final signedUrl = await GetIt.I
-            .get<SupabaseClient>()
-            .storage
-            .from('documents')
-            .createSignedUrl(widget.storagePath!, 60);
+        final signedUrl = await getSignedUrl(widget.storagePath!);
         pdfData = await InternetFile.get(signedUrl);
       } else {
         throw Exception("Nessun documento trovato");