Ready to implement expense editor screen

moneymgr_mobile/lib/routes/scan/scan_screen.dart

@@ -1,12 +1,16 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_hooks/flutter_hooks.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:logging/logging.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 import 'package:scanbot_sdk/scanbot_sdk_ui_v2.dart';
 
+import '../../services/storage/expenses.dart';
+
 part 'scan_screen.g.dart';
 
 @riverpod
-Future<String> _scanDocument(Ref ref) async {
+Future<String?> _scanDocument(Ref ref) async {
   var configuration = DocumentScanningFlow(
     appearance: DocumentFlowAppearanceConfiguration(
       statusBarMode: StatusBarMode.DARK,
@@ -18,22 +22,93 @@ Future<String> _scanDocument(Ref ref) async {
     ),
   );
   var documentResult = await ScanbotSdkUiV2.startDocumentScanner(configuration);
-  print("@@@");
-  print(documentResult);
-  print("####");
 
-  return "changeme";
+  return documentResult.data?.pdfURI;
 }
 
 class ScanScreen extends HookConsumerWidget {
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     final boredSuggestion = ref.watch(_scanDocumentProvider);
+
+    restartScan() async {
+      try {
+        final val = ref.refresh(_scanDocumentProvider);
+        Logger.root.info("Load again startup result: $val");
+      } catch (e, s) {
+        Logger.root.shout("Failed to try again startup loading! $e $s");
+      }
+    }
+
     // Perform a switch-case on the result to handle loading/error states
     return switch (boredSuggestion) {
-      AsyncData(:final value) => Text('data: $value'),
+      AsyncData(:final value) when value != null => ExpenseEditor(
-      AsyncError(:final error) => Text('error: $error'),
+        filePath: value,
+        onFinished: (e) {},
+      ),
+
+      // No data
+      AsyncData(:final value) when value == null => ScanErrorScreen(
+        message: "No document scanned!",
+        onTryAgain: restartScan,
+      ),
+
+      // Error
+      AsyncError(:final error) => ScanErrorScreen(
+        message: error.toString(),
+        onTryAgain: restartScan,
+      ),
       _ => const Center(child: CircularProgressIndicator()),
     };
   }
 }
+
+class ScanErrorScreen extends StatelessWidget {
+  final String message;
+  final Function() onTryAgain;
+
+  const ScanErrorScreen({
+    super.key,
+    required this.message,
+    required this.onTryAgain,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        crossAxisAlignment: CrossAxisAlignment.center,
+        children: [
+          Spacer(flex: 5),
+          Text("An error occurred while scanning"),
+          Spacer(flex: 1),
+          Text(message),
+          Spacer(flex: 1),
+          MaterialButton(
+            onPressed: onTryAgain,
+            child: Text("Try again".toUpperCase()),
+          ),
+          Spacer(flex: 5),
+        ],
+      ),
+    );
+  }
+}
+
+class ExpenseEditor extends HookWidget {
+  final String filePath;
+  final Function(Expense) onFinished;
+
+  const ExpenseEditor({
+    super.key,
+    required this.filePath,
+    required this.onFinished,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    // TODO: implement build
+    throw UnimplementedError();
+  }
+}