Can save expenses to local list

moneymgr_mobile/lib/routes/scan/scan_screen.dart

@@ -4,6 +4,7 @@ import 'dart:typed_data';
 import 'package:flutter/material.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:logging/logging.dart';
+import 'package:moneymgr_mobile/services/storage/expenses.dart';
 import 'package:moneymgr_mobile/widgets/expense_editor.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 import 'package:scanbot_sdk/scanbot_sdk.dart';
@@ -11,6 +12,7 @@ import 'package:scanbot_sdk/scanbot_sdk_ui_v2.dart' hide IconButton, EdgeInsets;
 
 part 'scan_screen.g.dart';
 
+/// Scan a document & return generated PDF as byte file
 @riverpod
 Future<Uint8List?> _scanDocument(Ref ref) async {
   var configuration = DocumentScanningFlow(
@@ -45,7 +47,8 @@ class ScanScreen extends HookConsumerWidget {
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
-    final boredSuggestion = ref.watch(_scanDocumentProvider);
+    final scanDocProvider = ref.watch(_scanDocumentProvider);
+    final expenses = ref.watch(expensesProvider).requireValue;
 
     restartScan() async {
       try {
@@ -56,13 +59,19 @@ class ScanScreen extends HookConsumerWidget {
       }
     }
 
-    // Perform a switch-case on the result to handle loading/error states
     return Padding(
       padding: const EdgeInsets.all(8.0),
-      child: switch (boredSuggestion) {
+      child: switch (scanDocProvider) {
         AsyncData(:final value) when value != null => ExpenseEditor(
           file: value,
-          onFinished: (e) {},
+          onFinished: (expense) async {
+            await expenses.add(
+              info: expense,
+              fileContent: value,
+              fileMimeType: "application/pdf",
+            );
+            restartScan();
+          },
           onRescan: restartScan,
         ),
 
@@ -103,7 +112,7 @@ class ScanErrorScreen extends StatelessWidget {
           Spacer(flex: 5),
           Text("An error occurred while scanning"),
           Spacer(flex: 1),
-          Text(message),
+          Text(message, textAlign: TextAlign.center),
           Spacer(flex: 1),
           MaterialButton(
             onPressed: onTryAgain,