prasule/lib/views/home.dart

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// ignore_for_file: inference_failure_on_function_invocation
import 'dart:async';
import 'dart:math';
import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
import 'package:flutter_gen/gen_l10n/app_localizations.dart';
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import 'package:flutter_slidable/flutter_slidable.dart';
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import 'package:flutter_speed_dial/flutter_speed_dial.dart';
import 'package:flutter_tesseract_ocr/flutter_tesseract_ocr.dart';
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import 'package:grouped_list/grouped_list.dart';
import 'package:image_picker/image_picker.dart';
import 'package:intl/date_symbol_data_local.dart';
import 'package:intl/intl.dart';
import 'package:prasule/api/category.dart';
import 'package:prasule/api/entry_data.dart';
import 'package:prasule/api/recurring_entry.dart';
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import 'package:prasule/api/wallet.dart';
import 'package:prasule/api/wallet_entry.dart';
import 'package:prasule/api/wallet_manager.dart';
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import 'package:prasule/main.dart';
import 'package:prasule/network/tessdata.dart';
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import 'package:prasule/pw/platformbutton.dart';
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import 'package:prasule/pw/platformdialog.dart';
import 'package:prasule/pw/platformroute.dart';
import 'package:prasule/util/drawer.dart';
import 'package:prasule/util/text_color.dart';
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import 'package:prasule/views/create_entry.dart';
import 'package:prasule/views/settings/settings.dart';
import 'package:prasule/views/settings/tessdata_list.dart';
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import 'package:prasule/views/setup.dart';
/// Main view, shows entries
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class HomeView extends StatefulWidget {
/// Main view, shows entries
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const HomeView({super.key});
@override
State<HomeView> createState() => _HomeViewState();
}
class _HomeViewState extends State<HomeView> {
Wallet? selectedWallet;
List<Wallet> wallets = [];
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DateTime? prevDate;
late String locale;
@override
void didChangeDependencies() {
super.didChangeDependencies();
locale = Localizations.localeOf(context).languageCode;
initializeDateFormatting(Localizations.localeOf(context).languageCode);
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}
@override
void initState() {
super.initState();
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loadWallet();
}
Future<void> loadWallet() async {
wallets = await WalletManager.listWallets();
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if (wallets.isEmpty && mounted) {
unawaited(
Navigator.of(context)
.pushReplacement(platformRoute((c) => const SetupView())),
);
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return;
}
selectedWallet = wallets.first;
selectedWallet!.recurEntries();
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setState(() {});
}
@override
Widget build(BuildContext context) {
return Scaffold(
drawer: makeDrawer(context, 1),
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floatingActionButton: SpeedDial(
icon: Icons.add,
activeIcon: Icons.close,
children: [
if (kDebugMode)
SpeedDialChild(
child: const Icon(Icons.bug_report),
label: AppLocalizations.of(context).createTestData,
onTap: () {
// debug option to quickly fill a wallet with data
if (selectedWallet == null) return;
selectedWallet!.entries.clear();
selectedWallet!.recurringEntries.clear();
final random = Random();
for (var i = 0; i < 30; i++) {
selectedWallet!.entries.add(
WalletSingleEntry(
data: EntryData(
name: "Test Entry #${i + 1}",
amount: random.nextInt(20000).toDouble(),
),
type: (random.nextInt(3) > 0)
? EntryType.expense
: EntryType.income,
date: DateTime(
2023,
random.nextInt(12) + 1,
random.nextInt(28) + 1,
),
category: selectedWallet!.categories[
random.nextInt(selectedWallet!.categories.length)],
id: selectedWallet!.nextId,
),
);
}
logger.d(
"Created ${selectedWallet!.entries.length} regular entries",
);
for (var i = 0; i < 3; i++) {
final type = random.nextInt(3);
selectedWallet!.recurringEntries.add(
RecurringWalletEntry(
data: EntryData(
name: "Recurring Entry #${i + 1}",
amount: random.nextInt(20000).toDouble(),
),
type: (random.nextInt(3) > 0)
? EntryType.expense
: EntryType.income,
date: DateTime(
2023,
random.nextInt(12) + 1,
random.nextInt(28) + 1,
),
category: selectedWallet!.categories[
random.nextInt(selectedWallet!.categories.length)],
id: selectedWallet!.nextId,
lastRunDate: DateTime.now().subtract(
Duration(
days: (type > 0) ? 3 : 3 * 31,
),
),
recurType: (type > 0) ? RecurType.day : RecurType.month,
),
);
}
logger.d(
"Created ${selectedWallet!.recurringEntries.length} recurring entries");
// save and reload
WalletManager.saveWallet(selectedWallet!).then((value) {
Navigator.of(context).pushReplacement(
platformRoute(
(p0) => const HomeView(),
),
);
});
},
),
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SpeedDialChild(
child: const Icon(Icons.edit),
label: AppLocalizations.of(context).addNew,
onTap: () async {
final sw = await Navigator.of(context).push<Wallet>(
MaterialPageRoute(
builder: (c) => CreateSingleEntryView(w: selectedWallet!),
),
);
if (sw != null) {
selectedWallet = sw;
}
setState(() {});
},
),
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SpeedDialChild(
child: const Icon(Icons.camera_alt),
label: AppLocalizations.of(context).addCamera,
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onTap: () async {
final picker = ImagePicker();
final media = await picker.pickImage(source: ImageSource.camera);
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logger.i(media?.name);
},
),
SpeedDialChild(
child: const Icon(Icons.image),
label: AppLocalizations.of(context).addGallery,
onTap: () {
startOcr(ImageSource.gallery);
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},
),
],
),
appBar: AppBar(
title: DropdownButton<int>(
value:
(selectedWallet == null) ? -1 : wallets.indexOf(selectedWallet!),
items: [
...wallets.map(
(e) => DropdownMenuItem(
value: wallets.indexOf(
e,
),
child: Text(e.name),
),
),
DropdownMenuItem(
value: -1,
child: Text(AppLocalizations.of(context).newWallet),
),
],
onChanged: (v) async {
if (v == null || v == -1) {
await Navigator.of(context).push(
platformRoute(
(c) => const SetupView(
newWallet: true,
),
),
);
wallets = await WalletManager.listWallets();
logger.i(wallets.length);
selectedWallet = wallets.last;
setState(() {});
return;
}
selectedWallet = wallets[v];
setState(() {});
},
),
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actions: [
PopupMenuButton(
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itemBuilder: (context) => [
AppLocalizations.of(context).settings,
AppLocalizations.of(context).about,
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].map((e) => PopupMenuItem(value: e, child: Text(e))).toList(),
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onSelected: (value) {
if (value == AppLocalizations.of(context).settings) {
Navigator.of(context)
.push(
platformRoute(
(context) => const SettingsView(),
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),
)
.then((value) async {
selectedWallet =
await WalletManager.loadWallet(selectedWallet!.name);
});
} else if (value == AppLocalizations.of(context).about) {
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showAboutDialog(
context: context,
applicationLegalese: AppLocalizations.of(context).license,
applicationName: "Prašule",
);
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}
},
),
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],
),
body: Center(
child: SizedBox(
width: MediaQuery.of(context).size.width * 0.9,
height: MediaQuery.of(context).size.height,
child: (selectedWallet == null)
? const Column(
children: [
SizedBox(
width: 40,
height: 40,
child: CircularProgressIndicator(),
),
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],
)
: (selectedWallet!.entries.isEmpty)
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? Column(
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children: [
Text(
AppLocalizations.of(context).noEntries,
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style: const TextStyle(
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fontSize: 20,
fontWeight: FontWeight.bold,
),
),
Text(
AppLocalizations.of(context).noEntriesSub,
),
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],
)
: GroupedListView(
groupHeaderBuilder: (element) => Text(
DateFormat.yMMMM(locale).format(element.date),
style: TextStyle(
color: Theme.of(context).colorScheme.primary,
),
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),
elements: selectedWallet!.entries,
itemComparator: (a, b) => b.date.compareTo(a.date),
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groupBy: (e) => DateFormat.yMMMM(locale).format(e.date),
groupComparator: (a, b) {
// TODO: better sorting algorithm lol
final yearA = RegExp(r'\d+').firstMatch(a);
if (yearA == null) return 0;
final yearB = RegExp(r'\d+').firstMatch(b);
if (yearB == null) return 0;
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final compareYears = int.parse(yearB.group(0)!)
.compareTo(int.parse(yearA.group(0)!));
if (compareYears != 0) return compareYears;
final months = List<String>.generate(
12,
(index) => DateFormat.MMMM(locale).format(
DateTime(2023, index + 1),
),
);
final monthA = RegExp('[^0-9 ]+').firstMatch(a);
if (monthA == null) return 0;
final monthB = RegExp('[^0-9 ]+').firstMatch(b);
if (monthB == null) return 0;
return months.indexOf(monthB.group(0)!).compareTo(
months.indexOf(monthA.group(0)!),
);
},
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itemBuilder: (context, element) => Slidable(
endActionPane: ActionPane(
motion: const ScrollMotion(),
children: [
SlidableAction(
onPressed: (c) {
Navigator.of(context)
.push<WalletSingleEntry>(
MaterialPageRoute(
builder: (c) => CreateSingleEntryView(
w: selectedWallet!,
editEntry: element,
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),
),
)
.then(
(editedEntry) {
if (editedEntry == null) return;
selectedWallet!.entries.remove(element);
selectedWallet!.entries.add(editedEntry);
WalletManager.saveWallet(selectedWallet!);
setState(() {});
},
);
},
backgroundColor:
Theme.of(context).colorScheme.secondary,
foregroundColor:
Theme.of(context).colorScheme.onSecondary,
icon: Icons.edit,
),
SlidableAction(
backgroundColor:
Theme.of(context).colorScheme.error,
foregroundColor:
Theme.of(context).colorScheme.onError,
icon: Icons.delete,
onPressed: (c) {
showDialog(
context: context,
builder: (cx) => PlatformDialog(
title:
AppLocalizations.of(context).sureDialog,
content: Text(
AppLocalizations.of(context).deleteSure,
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),
actions: [
PlatformButton(
text: AppLocalizations.of(context).yes,
onPressed: () {
selectedWallet?.entries.removeWhere(
(e) => e.id == element.id,
);
WalletManager.saveWallet(
selectedWallet!,
);
Navigator.of(cx).pop();
setState(() {});
},
),
PlatformButton(
text: AppLocalizations.of(context).no,
onPressed: () {
Navigator.of(cx).pop();
},
),
],
),
);
},
),
],
),
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child: ListTile(
leading: Container(
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(16),
color: element.category.color,
),
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child: Padding(
padding: const EdgeInsets.all(8),
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child: Icon(
element.category.icon,
color:
element.category.color.calculateTextColor(),
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),
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),
),
title: Text(element.data.name),
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subtitle: Text(
NumberFormat.currency(
symbol: selectedWallet!.currency.symbol,
).format(element.data.amount),
),
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),
),
),
),
),
);
}
Future<void> startOcr(ImageSource imgSrc) async {
final availableLanguages = await TessdataApi.getDownloadedData();
if (availableLanguages.isEmpty) {
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(AppLocalizations.of(context).missingOcr),
action: SnackBarAction(
label: AppLocalizations.of(context).download,
onPressed: () {
Navigator.of(context).push(
platformRoute(
(c) => const TessdataListView(),
),
);
},
),
),
);
return;
}
if (!mounted) return;
final selectedLanguages =
List<bool>.filled(availableLanguages.length, false);
selectedLanguages[0] = true;
await showDialog(
context: context,
builder: (c) => StatefulBuilder(
builder: (ctx, setState) => PlatformDialog(
actions: [
TextButton(
onPressed: () async {
final picker = ImagePicker();
final media = await picker.pickImage(source: imgSrc);
if (media == null) {
if (mounted) Navigator.of(context).pop();
return;
}
// get selected languages
final selected = availableLanguages
.where(
(element) => selectedLanguages[
availableLanguages.indexOf(element)],
)
.join("+")
.replaceAll(".traineddata", "");
logger.i(selected);
if (!mounted) return;
unawaited(
showDialog(
context: context,
builder: (c) => PlatformDialog(
title: AppLocalizations.of(context).ocrLoading,
),
barrierDismissible: false,
),
);
final string = await FlutterTesseractOcr.extractText(
media.path,
language: selected,
args: {
"psm": "4",
"preserve_interword_spaces": "1",
},
);
if (!mounted) return;
Navigator.of(context).pop();
logger.i(string);
if (!mounted) return;
final lines = string.split("\n")
..removeWhere((element) {
element.trim();
return element.isEmpty;
});
var price = 0.0;
final description = StringBuffer();
for (final line in lines) {
// find numbered prices on each line
final regex = RegExp(r'\d+(?:(?:\.|,) {0,}\d{0,})+');
for (final match in regex.allMatches(line)) {
price += double.tryParse(match.group(0).toString()) ?? 0;
}
description.write("${line.replaceAll(regex, "")}\n");
}
Navigator.of(ctx).pop();
// show edit
final newEntry =
await Navigator.of(context).push<WalletSingleEntry>(
platformRoute<WalletSingleEntry>(
(c) => CreateSingleEntryView(
w: selectedWallet!,
editEntry: WalletSingleEntry(
data: EntryData(
name: "",
amount: price,
description: description.toString(),
),
type: EntryType.expense,
date: DateTime.now(),
category: selectedWallet!.categories.first,
id: selectedWallet!.nextId,
),
),
),
);
if (newEntry == null) return;
selectedWallet!.entries.add(newEntry);
await WalletManager.saveWallet(selectedWallet!);
setState(() {});
},
child: const Text("Ok"),
),
TextButton(
onPressed: () {
Navigator.of(c).pop();
},
child: const Text("Cancel"),
),
],
title: AppLocalizations.of(context).ocrSelect,
content: Column(
children: [
...List.generate(
availableLanguages.length,
(index) => Row(
children: [
Checkbox(
value: selectedLanguages[index],
onChanged: (value) {
if (value == null ||
(selectedLanguages
.where((element) => element)
.length <=
1 &&
!value)) return;
selectedLanguages[index] = value;
setState(() {});
},
),
const SizedBox(
width: 10,
),
Text(availableLanguages[index].split(".").first),
],
),
),
],
),
),
),
);
}
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Future<void> getLostData() async {
final picker = ImagePicker();
final response = await picker.retrieveLostData();
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if (response.isEmpty) {
return;
}
final files = response.files;
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if (files != null) {
logger.i("Found lost files");
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_handleLostFiles(files);
} else {
logger.e(response.exception);
}
}
void _handleLostFiles(List<XFile> files) {
// TODO: implement
}
}