Files
receipity/lib/review_screen.dart
T

385 lines
12 KiB
Dart
Raw Permalink Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
/// Editable list of parsed receipt lines before they are saved as a shop trip.
library;
import 'package:flutter/material.dart';
import 'models/line_item.dart';
import 'services/app_settings.dart';
import 'services/product_repository.dart';
import 'utils/dates.dart';
import 'utils/money.dart';
import 'utils/supermarkets.dart';
import 'widgets/store_tag.dart';
class ReviewScreen extends StatefulWidget {
const ReviewScreen({
super.key,
required this.items,
required this.rawText,
required this.repository,
this.imagePath,
this.supermarketNames = kSupermarkets,
});
final List<LineItem> items;
final String rawText;
final ProductRepository repository;
final String? imagePath;
final List<String> supermarketNames;
@override
State<ReviewScreen> createState() => _ReviewScreenState();
}
class _ReviewScreenState extends State<ReviewScreen> {
late List<LineItem> _items;
late DateTime _shoppedAt;
String? _supermarket;
String? _customStore;
bool _saving = false;
@override
void initState() {
super.initState();
_items = List<LineItem>.from(widget.items);
_shoppedAt = DateTime.now();
final detected = detectSupermarket(
widget.rawText,
names: widget.supermarketNames,
);
if (detected != null) {
_supermarket = detected;
}
}
String? get _resolvedSupermarket {
if (_supermarket == null) return null;
if (_supermarket == kOtherSupermarket) {
final custom = _customStore?.trim();
if (custom == null || custom.isEmpty) return null;
return custom;
}
return _supermarket;
}
Future<void> _edit({LineItem? existing}) async {
final result = await showModalBottomSheet<LineItem>(
context: context,
isScrollControlled: true,
showDragHandle: true,
builder: (context) => _ItemEditSheet(item: existing),
);
if (result == null || !mounted) return;
setState(() {
if (existing == null) {
_items.add(result);
} else {
final index = _items.indexWhere((item) => item.id == existing.id);
if (index >= 0) {
_items[index] = result;
}
}
});
}
Future<void> _pickDate() async {
final picked = await showDatePicker(
context: context,
initialDate: _shoppedAt,
firstDate: DateTime(2018),
lastDate: DateTime.now().add(const Duration(days: 1)),
);
if (picked == null || !mounted) return;
setState(() => _shoppedAt = picked);
}
Future<void> _confirm() async {
final supermarket = _resolvedSupermarket;
if (supermarket == null) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Select a supermarket.')),
);
return;
}
if (_items.isEmpty) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Add at least one product.')),
);
return;
}
setState(() => _saving = true);
try {
await widget.repository.saveShop(
supermarket: supermarket,
shoppedAt: _shoppedAt,
items: _items,
receiptImagePath: widget.imagePath,
);
if (!mounted) return;
Navigator.of(context).pop(true);
} catch (_) {
if (!mounted) return;
setState(() => _saving = false);
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Could not save this shopping trip.')),
);
}
}
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
final total = _items.fold<double>(0, (sum, item) => sum + item.price);
final settings = SettingsScope.maybeOf(context);
final stores = settings?.supermarkets ?? kDefaultSupermarkets;
final names = [
...{...widget.supermarketNames, ...stores.map((s) => s.name)},
];
if (_supermarket != null && !names.contains(_supermarket)) {
names.add(_supermarket!);
}
return Scaffold(
appBar: AppBar(title: const Text('Review items')),
body: Column(
children: [
Padding(
padding: const EdgeInsets.fromLTRB(16, 8, 16, 0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
DropdownButtonFormField<String>(
key: ValueKey(_supermarket),
initialValue: _supermarket,
hint: const Text('Select supermarket'),
decoration: const InputDecoration(
labelText: 'Supermarket',
),
items: [
for (final store in names)
DropdownMenuItem(
value: store,
child: StoreTag(
name: store,
stores: stores,
compact: true,
),
),
],
onChanged: _saving
? null
: (value) => setState(() => _supermarket = value),
),
if (_supermarket == kOtherSupermarket) ...[
const SizedBox(height: 12),
TextField(
enabled: !_saving,
textCapitalization: TextCapitalization.words,
decoration: const InputDecoration(
labelText: 'Store name',
),
onChanged: (value) => _customStore = value,
),
],
const SizedBox(height: 8),
ListTile(
contentPadding: EdgeInsets.zero,
leading: const Icon(Icons.calendar_today_outlined),
title: Text(formatDate(_shoppedAt)),
subtitle: const Text('Shopping date'),
onTap: _saving ? null : _pickDate,
),
],
),
),
Expanded(
child: _items.isEmpty
? Center(
child: Text(
'No line items found.\nAdd anything the parser missed.',
textAlign: TextAlign.center,
style: theme.textTheme.bodyLarge,
),
)
: ListView.separated(
padding: const EdgeInsets.fromLTRB(8, 8, 8, 8),
itemCount: _items.length,
separatorBuilder: (_, _) => const SizedBox(height: 4),
itemBuilder: (context, index) {
final item = _items[index];
return Dismissible(
key: ValueKey(item.id),
direction: DismissDirection.endToStart,
background: Container(
alignment: Alignment.centerRight,
padding: const EdgeInsets.only(right: 20),
decoration: BoxDecoration(
color: theme.colorScheme.errorContainer,
borderRadius: BorderRadius.circular(12),
),
child: Icon(
Icons.delete_outline,
color: theme.colorScheme.onErrorContainer,
),
),
onDismissed: (_) {
setState(() {
_items.removeWhere((row) => row.id == item.id);
});
},
child: ListTile(
title: Text(item.name),
subtitle: item.quantity == null
? null
: Text(
'${item.quantity} × ${formatEuro(item.unitPrice ?? 0)}',
),
trailing: Text(
formatEuro(item.price),
style: theme.textTheme.titleMedium,
),
onTap: _saving ? null : () => _edit(existing: item),
),
);
},
),
),
if (widget.rawText.isNotEmpty)
ExpansionTile(
title: const Text('Raw OCR text'),
children: [
ConstrainedBox(
constraints: const BoxConstraints(maxHeight: 180),
child: SingleChildScrollView(
padding: const EdgeInsets.fromLTRB(16, 0, 16, 16),
child: SelectableText(widget.rawText),
),
),
],
),
SafeArea(
child: Padding(
padding: const EdgeInsets.fromLTRB(16, 8, 16, 16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
OutlinedButton.icon(
onPressed: _saving ? null : () => _edit(),
icon: const Icon(Icons.add),
label: const Text('Add item'),
),
const SizedBox(height: 8),
FilledButton(
onPressed: _saving ? null : _confirm,
child: Text(
_saving
? 'Saving…'
: 'Save trip · ${formatEuro(total)}',
),
),
],
),
),
),
],
),
);
}
}
class _ItemEditSheet extends StatefulWidget {
const _ItemEditSheet({this.item});
final LineItem? item;
@override
State<_ItemEditSheet> createState() => _ItemEditSheetState();
}
class _ItemEditSheetState extends State<_ItemEditSheet> {
late final TextEditingController _nameController;
late final TextEditingController _priceController;
String? _error;
@override
void initState() {
super.initState();
final item = widget.item;
_nameController = TextEditingController(text: item?.name ?? '');
_priceController = TextEditingController(
text: item == null ? '' : item.price.toStringAsFixed(2),
);
}
@override
void dispose() {
_nameController.dispose();
_priceController.dispose();
super.dispose();
}
void _save() {
final name = _nameController.text.trim();
final price = tryParsePrice(_priceController.text);
if (name.isEmpty || price == null) {
setState(() => _error = 'Enter a product name and a price.');
return;
}
Navigator.of(context).pop(
LineItem(
id: widget.item?.id ?? 'manual-${DateTime.now().microsecondsSinceEpoch}',
name: name,
price: roundMoney(price),
quantity: widget.item?.quantity,
unitPrice: widget.item?.unitPrice,
),
);
}
@override
Widget build(BuildContext context) {
final bottom = MediaQuery.viewInsetsOf(context).bottom;
return Padding(
padding: EdgeInsets.fromLTRB(16, 0, 16, 16 + bottom),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Text(
widget.item == null ? 'Add item' : 'Edit item',
style: Theme.of(context).textTheme.titleLarge,
),
const SizedBox(height: 16),
TextField(
controller: _nameController,
textCapitalization: TextCapitalization.sentences,
decoration: const InputDecoration(labelText: 'Product name'),
autofocus: widget.item == null,
),
const SizedBox(height: 12),
TextField(
controller: _priceController,
keyboardType: const TextInputType.numberWithOptions(decimal: true),
decoration: const InputDecoration(labelText: 'Price'),
),
if (_error != null) ...[
const SizedBox(height: 8),
Text(
_error!,
style: TextStyle(color: Theme.of(context).colorScheme.error),
),
],
const SizedBox(height: 16),
FilledButton(
onPressed: _save,
child: const Text('Save'),
),
],
),
);
}
}