feat-add-files-from-qr (#8)

Reviewed-on: http://catelliub.zapto.org:3000/brontomark/flux/pulls/8
Co-authored-by: Mark M2 Macbook <marco@catelli.it>
Co-committed-by: Mark M2 Macbook <marco@catelli.it>

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

@@ -1,9 +1,8 @@
 import 'dart:typed_data';
 import 'package:flutter/material.dart';
-import 'package:get_it/get_it.dart';
+import 'package:flux/core/utils/functions.dart';
 import 'package:pdfx/pdfx.dart';
 import 'package:internet_file/internet_file.dart';
-import 'package:supabase_flutter/supabase_flutter.dart';
 
 class PdfViewerWidget extends StatefulWidget {
   final String? storagePath;
@@ -39,11 +38,7 @@ 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");

lib/core/widgets/qr_upload_dialog.dart

@@ -0,0 +1,93 @@
+import 'package:flutter/material.dart';
+import 'package:qr_flutter/qr_flutter.dart';
+
+class QrUploadDialog extends StatelessWidget {
+  final String deepLinkUrl;
+  final String title;
+
+  const QrUploadDialog({
+    super.key,
+    required this.deepLinkUrl,
+    required this.title,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    // Usiamo i colori del tema per renderlo coerente col tuo design
+    final theme = Theme.of(context);
+
+    return AlertDialog(
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
+      backgroundColor: theme.colorScheme.surface,
+      title: Column(
+        children: [
+          Icon(
+            Icons.qr_code_scanner,
+            size: 48,
+            color: theme.colorScheme.primary,
+          ),
+          const SizedBox(height: 16),
+          Text(
+            title,
+            textAlign: TextAlign.center,
+            style: const TextStyle(fontWeight: FontWeight.bold),
+          ),
+        ],
+      ),
+      content: SizedBox(
+        height: 400,
+        width: 350,
+        child: SingleChildScrollView(
+          child: Column(
+            mainAxisSize: MainAxisSize.min, // Fondamentale per i dialog
+            children: [
+              const Text(
+                "Inquadra questo codice con la fotocamera del tuo telefono per scattare e caricare i documenti direttamente qui.",
+                textAlign: TextAlign.center,
+                style: TextStyle(fontSize: 14, color: Colors.grey),
+              ),
+              const SizedBox(height: 24),
+              // IL CUORE DELLA MAGIA
+              Container(
+                padding: const EdgeInsets.all(16),
+                decoration: BoxDecoration(
+                  color: Colors
+                      .white, // Lo sfondo bianco salva la vita sui temi scuri
+                  borderRadius: BorderRadius.circular(16),
+                ),
+                child: QrImageView(
+                  data: deepLinkUrl,
+                  version: QrVersions.auto,
+                  size: 200.0,
+                  //Opzionale: puoi metterci il logo di FLUX in mezzo!
+                  embeddedImage: const AssetImage('assets/images/logo.png'),
+                  embeddedImageStyle: const QrEmbeddedImageStyle(
+                    size: Size(40, 40),
+                  ),
+                ),
+              ),
+              const SizedBox(height: 16),
+              Text(
+                "In attesa di file...",
+                style: TextStyle(
+                  fontSize: 12,
+                  fontWeight: FontWeight.bold,
+                  color: theme.colorScheme.primary,
+                ),
+              ),
+              const SizedBox(height: 8),
+              const LinearProgressIndicator(), // Per far capire che è "in ascolto"
+            ],
+          ),
+        ),
+      ),
+      actions: [
+        TextButton(
+          onPressed: () => Navigator.of(context).pop(),
+          child: const Text("CHIUDI"),
+        ),
+      ],
+      actionsAlignment: MainAxisAlignment.center,
+    );
+  }
+}