Dmitry
ce0966fca2
Riverpod + go_router с auth-guard, NavigationRail на широком экране и bottom bar на узком. Токены в flutter_secure_storage, на web access живёт в памяти. Интерцептор подставляет токен и делает ровно один refresh на 401. Деньги приходят строками и форматируются через Decimal: парсить их в double значило бы терять копейки ровно там, где бэкенд их бережёт.
35 lines
1.1 KiB
Dart
35 lines
1.1 KiB
Dart
import 'package:decimal/decimal.dart';
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import 'package:flutter/material.dart';
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import 'package:intl/intl.dart';
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/// Currency symbols for the instruments we expect to see. Falls back to the
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/// ISO code itself (e.g. 'USDT') when we don't have a nicer glyph.
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const _currencySymbols = {
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'RUB': '₽',
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'USD': '\$',
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'EUR': '€',
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};
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/// Formats a decimal-string amount (as the API sends it, to avoid double
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/// rounding errors) with `intl`'s ru_RU rules and a currency symbol.
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class MoneyText extends StatelessWidget {
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const MoneyText(this.amount, {required this.currency, super.key, this.style});
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/// The amount as a string, e.g. `'1234.5'` — never a [double].
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final String amount;
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final String currency;
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final TextStyle? style;
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static String format(String amount, String currency) {
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final value = Decimal.parse(amount).toDouble();
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final symbol = _currencySymbols[currency] ?? currency;
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final formatter = NumberFormat.currency(locale: 'ru_RU', symbol: symbol, decimalDigits: 2);
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return formatter.format(value);
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}
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@override
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Widget build(BuildContext context) {
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return Text(format(amount, currency), style: style);
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}
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}
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