feat: start working on sell

lib/ui/sell_page/widgets/manual_scan_popup.dart

@@ -1,10 +1,16 @@
 import 'package:flutter/material.dart';
+import 'package:mobile_scanner/mobile_scanner.dart';
 import 'package:seshat/ui/sell_page/view_model/sell_view_model.dart';
 
 class ManualScanPopup extends StatelessWidget {
-  ManualScanPopup({required this.viewModel});
+  const ManualScanPopup({
+    super.key,
+    required this.viewModel,
+    required this.controller,
+  });
 
   final SellViewModel viewModel;
+  final MobileScannerController controller;
 
   @override
   Widget build(BuildContext context) {
@@ -29,6 +35,7 @@ class ManualScanPopup extends StatelessWidget {
       actions: [
         TextButton(
           onPressed: () {
+            controller.start();
             Navigator.of(context).pop();
           },
           child: Text("Annuler"),

lib/ui/sell_page/widgets/scan_screen.dart

@@ -61,11 +61,14 @@ class _ScanScreenState extends State<ScanScreen> {
                   backgroundColor: WidgetStatePropertyAll(theme.cardColor),
                 ),
                 onPressed: () {
+                  controller.stop();
                   showDialog(
                     context: context,
                     barrierDismissible: false,
-                    builder: (context) =>
-                        ManualScanPopup(viewModel: widget.viewModel),
+                    builder: (context) => ManualScanPopup(
+                      viewModel: widget.viewModel,
+                      controller: controller,
+                    ),
                   );
                 },
                 child: Text("Vendre un livre sans scanner"),

lib/ui/sell_page/widgets/sell_page.dart

@@ -154,7 +154,6 @@ class _SellPageState extends State<SellPage> {
                       ],
                     ),
                   ),
-
                   (widget.viewModel.showScan)
                       ? ScanScreen(viewModel: widget.viewModel)
                       : SizedBox(),