103 lines
2.3 KiB
Dart
103 lines
2.3 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:pshared/models/asset.dart';
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import 'package:pshared/models/currency.dart';
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const nonBreakingSpace = '\u00A0';
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String withTrailingNonBreakingSpace(String value) {
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return '$value$nonBreakingSpace';
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}
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String joinWithNonBreakingSpace(String left, String right) {
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return '$left$nonBreakingSpace$right';
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}
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String currencyCodeToSymbol(Currency currencyCode) {
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switch (currencyCode) {
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case Currency.usd:
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return '\$';
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case Currency.usdt:
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return '₮';
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case Currency.usdc:
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return '\$';
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case Currency.rub:
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return '₽';
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case Currency.eur:
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return '€';
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}
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}
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String amountToString(double amount) {
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return amount.toStringAsFixed(2);
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}
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String currencyToString(Currency currencyCode, double amount) {
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return joinWithNonBreakingSpace(
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currencyCodeToSymbol(currencyCode),
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amountToString(amount),
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);
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}
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String assetToString(Asset asset) {
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return currencyToString(asset.currency, asset.amount);
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}
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Currency currencyStringToCode(String currencyCode) {
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switch (currencyCode) {
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case 'USD':
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return Currency.usd;
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case 'USDT':
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return Currency.usdt;
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case 'USDC':
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return Currency.usdc;
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case 'RUB':
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return Currency.rub;
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case 'EUR':
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return Currency.eur;
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default:
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throw ArgumentError('Unknown currency code: $currencyCode');
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}
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}
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String currencyCodeToString(Currency currencyCode) {
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switch (currencyCode) {
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case Currency.usd:
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return 'USD';
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case Currency.usdt:
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return 'USDT';
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case Currency.usdc:
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return 'USDC';
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case Currency.rub:
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return 'RUB';
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case Currency.eur:
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return 'EUR';
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}
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}
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IconData iconForCurrencyType(Currency currencyCode) {
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switch (currencyCode) {
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case Currency.usd:
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return Icons.currency_exchange;
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case Currency.eur:
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return Icons.currency_exchange;
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case Currency.rub:
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return Icons.currency_ruble;
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case Currency.usdt:
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return Icons.currency_exchange;
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case Currency.usdc:
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return Icons.money;
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}
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}
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String? currencySymbolFromCode(String? code) {
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final normalized = code?.trim();
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if (normalized == null || normalized.isEmpty) return null;
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try {
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return currencyCodeToSymbol(currencyStringToCode(normalized.toUpperCase()));
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} catch (_) {
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return null;
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}
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}
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