import 'package:flutter/material.dart'; import 'package:pshared/models/asset.dart'; import 'package:pshared/models/currency.dart'; String currencyCodeToSymbol(Currency currencyCode) { switch (currencyCode) { case Currency.usd: return '\$'; case Currency.usdt: return '₮'; case Currency.usdc: return '\$'; case Currency.rub: return '₽'; case Currency.eur: return '€'; } } String amountToString(double amount) { return amount.toStringAsFixed(2); } String currencyToString(Currency currencyCode, double amount) { return '${currencyCodeToSymbol(currencyCode)}\u00A0${amountToString(amount)}'; } String assetToString(Asset asset) { return currencyToString(asset.currency, asset.amount); } Currency currencyStringToCode(String currencyCode) { switch (currencyCode) { case 'USD': return Currency.usd; case 'USDT': return Currency.usdt; case 'USDC': return Currency.usdc; case 'RUB': return Currency.rub; case 'EUR': return Currency.eur; default: throw ArgumentError('Unknown currency code: $currencyCode'); } } IconData iconForCurrencyType(Currency currencyCode) { switch (currencyCode) { case Currency.usd: return Icons.currency_exchange; case Currency.eur: return Icons.currency_exchange; case Currency.rub: return Icons.currency_ruble; case Currency.usdt: return Icons.currency_exchange; case Currency.usdc: return Icons.money; } }