147 lines
4.0 KiB
Dart
147 lines
4.0 KiB
Dart
import 'dart:io';
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import 'dart:typed_data';
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import 'package:alert_dialog/alert_dialog.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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import 'package:flutter_pdfview/flutter_pdfview.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:logging/logging.dart';
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import 'package:riverpod_annotation/riverpod_annotation.dart';
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import 'package:scanbot_sdk/scanbot_sdk.dart';
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import 'package:scanbot_sdk/scanbot_sdk_ui_v2.dart';
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import '../../services/storage/expenses.dart';
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part 'scan_screen.g.dart';
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@riverpod
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Future<Uint8List?> _scanDocument(Ref ref) async {
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DocumentDataExtractionResult d;
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var configuration = DocumentScanningFlow(
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appearance: DocumentFlowAppearanceConfiguration(
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statusBarMode: StatusBarMode.DARK,
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),
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cleanScanningSession: true,
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outputSettings: DocumentScannerOutputSettings(pagesScanLimit: 1),
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screens: DocumentScannerScreens(
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review: ReviewScreenConfiguration(enabled: false),
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),
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);
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var documentResult = await ScanbotSdkUiV2.startDocumentScanner(configuration);
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if (documentResult.status != OperationStatus.OK) {
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throw Exception("Scanner failed with status ${documentResult.status}");
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}
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// Convert result to PDF
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var result = await ScanbotSdk.document.createPDFForDocument(
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PDFFromDocumentParams(
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documentID: documentResult.data!.uuid,
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pdfConfiguration: PdfConfiguration(),
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),
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);
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final pdfPath = result.pdfFileUri.replaceFirst("file://", "");
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return File(pdfPath).readAsBytes();
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}
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class ScanScreen extends HookConsumerWidget {
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final boredSuggestion = ref.watch(_scanDocumentProvider);
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restartScan() async {
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try {
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final val = ref.refresh(_scanDocumentProvider);
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Logger.root.info("Load again startup result: $val");
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} catch (e, s) {
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Logger.root.shout("Failed to try again startup loading! $e $s");
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}
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}
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// Perform a switch-case on the result to handle loading/error states
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return switch (boredSuggestion) {
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AsyncData(:final value) when value != null => ExpenseEditor(
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file: value,
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onFinished: (e) {},
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),
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// No data
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AsyncData(:final value) when value == null => ScanErrorScreen(
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message: "No document scanned!",
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onTryAgain: restartScan,
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),
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// Error
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AsyncError(:final error) => ScanErrorScreen(
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message: error.toString(),
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onTryAgain: restartScan,
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),
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_ => const Center(child: CircularProgressIndicator()),
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};
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}
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}
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class ScanErrorScreen extends StatelessWidget {
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final String message;
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final Function() onTryAgain;
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const ScanErrorScreen({
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super.key,
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required this.message,
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required this.onTryAgain,
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});
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@override
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Widget build(BuildContext context) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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Spacer(flex: 5),
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Text("An error occurred while scanning"),
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Spacer(flex: 1),
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Text(message),
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Spacer(flex: 1),
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MaterialButton(
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onPressed: onTryAgain,
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child: Text("Try again".toUpperCase()),
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),
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Spacer(flex: 5),
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],
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),
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);
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}
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}
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class ExpenseEditor extends HookWidget {
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final Uint8List file;
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final Function(Expense) onFinished;
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const ExpenseEditor({
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super.key,
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required this.file,
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required this.onFinished,
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});
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@override
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Widget build(BuildContext context) {
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return ListView(
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children: [
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SizedBox(
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height: 200,
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child: PDFView(
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pdfData: file,
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onError: (e) {
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Logger.root.warning("Failed to render PDF $e");
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alert(context, content: Text("Failed to render PDF $e"));
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},
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fitPolicy: FitPolicy.BOTH,
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),
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),
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],
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);
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}
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}
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