From 1788e7f184aab45c01545f9eceb6c68585a2951f Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre.git@communiquons.org>
Date: Sun, 20 Jul 2025 18:14:03 +0200
Subject: [PATCH] Can disable dates extraction

---
 moneymgr_mobile/lib/routes/scan/scan_screen.dart    |  8 +++++++-
 .../lib/routes/settings/settings_screen.dart        | 13 +++++++++++++
 moneymgr_mobile/lib/services/storage/prefs.dart     |  8 ++++++++
 moneymgr_mobile/lib/utils/ocr_utils.dart            |  9 +++++++--
 4 files changed, 35 insertions(+), 3 deletions(-)

diff --git a/moneymgr_mobile/lib/routes/scan/scan_screen.dart b/moneymgr_mobile/lib/routes/scan/scan_screen.dart
index 884ef21..f4d97ed 100644
--- a/moneymgr_mobile/lib/routes/scan/scan_screen.dart
+++ b/moneymgr_mobile/lib/routes/scan/scan_screen.dart
@@ -4,6 +4,7 @@ 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/services/storage/prefs.dart';
 import 'package:moneymgr_mobile/utils/ocr_utils.dart';
 import 'package:moneymgr_mobile/utils/pdf_utils.dart';
 import 'package:moneymgr_mobile/widgets/expense_editor.dart';
@@ -14,9 +15,14 @@ part 'scan_screen.g.dart';
 /// Scan a document & return generated PDF as byte file
 @riverpod
 Future<(Uint8List?, BaseExpenseInfo?)> _scanDocument(Ref ref) async {
+  final prefs = ref.watch(prefsProvider).requireValue;
+
   final pdf = await scanDocAsPDF();
   final img = await renderPdf(pdfBytes: pdf);
-  final amount = await extractInfoFromBill(img);
+  final amount = await extractInfoFromBill(
+    imgBuff: img,
+    extractDates: !prefs.disableExtractDates(),
+  );
   return (pdf, amount);
 }
 
diff --git a/moneymgr_mobile/lib/routes/settings/settings_screen.dart b/moneymgr_mobile/lib/routes/settings/settings_screen.dart
index 3e1c796..14eed7c 100644
--- a/moneymgr_mobile/lib/routes/settings/settings_screen.dart
+++ b/moneymgr_mobile/lib/routes/settings/settings_screen.dart
@@ -22,6 +22,11 @@ class SettingsScreen extends ConsumerWidget {
       ref.invalidate(prefsProvider);
     }
 
+    handleToggleDisableExtractDate(v) async {
+      await prefs.setDisableExtractDates(v);
+      ref.invalidate(prefsProvider);
+    }
+
     return Scaffold(
       appBar: AppBar(title: const Text('Settings')),
       body: ListView(
@@ -40,6 +45,14 @@ class SettingsScreen extends ConsumerWidget {
               "Do not start camera automatically on application startup",
             ),
           ),
+          SwitchListTile(
+            value: prefs.disableExtractDates(),
+            onChanged: handleToggleDisableExtractDate,
+            title: Text("Do not extract dates"),
+            subtitle: Text(
+              "Do not attempt to extract dates from scanned expenses",
+            ),
+          ),
           const Divider(),
           ListTile(
             leading: const Icon(Icons.info_outline),
diff --git a/moneymgr_mobile/lib/services/storage/prefs.dart b/moneymgr_mobile/lib/services/storage/prefs.dart
index 372c3f5..0f05c82 100644
--- a/moneymgr_mobile/lib/services/storage/prefs.dart
+++ b/moneymgr_mobile/lib/services/storage/prefs.dart
@@ -23,6 +23,14 @@ extension MoneyMgrSharedPreferences on SharedPreferencesWithCache {
     await setBool("startOnScansListScreen", start);
   }
 
+  bool disableExtractDates() {
+    return getBool("disableExtractDates") ?? false;
+  }
+
+  Future<void> setDisableExtractDates(bool disable) async {
+    await setBool("disableExtractDates", disable);
+  }
+
   ServerConfig? serverConfig() {
     final json = getString("serverConfig");
     if (json != null) return ServerConfig.fromJson(jsonDecode(json));
diff --git a/moneymgr_mobile/lib/utils/ocr_utils.dart b/moneymgr_mobile/lib/utils/ocr_utils.dart
index f454f3c..175abfa 100644
--- a/moneymgr_mobile/lib/utils/ocr_utils.dart
+++ b/moneymgr_mobile/lib/utils/ocr_utils.dart
@@ -8,7 +8,10 @@ import 'package:logging/logging.dart';
 import 'package:moneymgr_mobile/services/storage/expenses.dart';
 
 /// Attempt to extract information from invoice image
-Future<BaseExpenseInfo?> extractInfoFromBill(Uint8List imgBuff) async {
+Future<BaseExpenseInfo?> extractInfoFromBill({
+  required Uint8List imgBuff,
+  required bool extractDates,
+}) async {
   final decodedImage = await decodeImageFromList(imgBuff);
 
   final byteData = await decodedImage.toByteData(
@@ -74,6 +77,8 @@ Future<BaseExpenseInfo?> extractInfoFromBill(Uint8List imgBuff) async {
   return BaseExpenseInfo(
     label: null,
     cost: highestCost,
-    time: newest?.isBefore(currDate) ?? false ? newest! : currDate,
+    time: extractDates && (newest?.isBefore(currDate) ?? false)
+        ? newest!
+        : currDate,
   );
 }