CurrencyConverter.cs
754 bytes
| 1 | namespace SplitApp.Modules.Expenses.Application; |
|---|---|
| 2 | |
| 3 | public static class CurrencyConverter |
| 4 | { |
| 5 | private static readonly Dictionary<string, decimal> RatesToEur = new() |
| 6 | { |
| 7 | { "EUR", 1.0m }, |
| 8 | { "USD", 0.92m }, |
| 9 | { "GBP", 1.16m }, |
| 10 | { "SEK", 0.087m }, |
| 11 | { "NOK", 0.086m }, |
| 12 | }; |
| 13 | |
| 14 | public static decimal Convert(decimal amount, string fromCurrencyCode, string toCurrencyCode) |
| 15 | { |
| 16 | if (fromCurrencyCode == toCurrencyCode) return amount; |
| 17 | if (!RatesToEur.TryGetValue(fromCurrencyCode, out var fromRate)) return amount; |
| 18 | if (!RatesToEur.TryGetValue(toCurrencyCode, out var toRate)) return amount; |
| 19 | var amountInEur = amount * fromRate; |
| 20 | return Math.Round(amountInEur / toRate, 2); |
| 21 | } |
| 22 | } |
| 23 | |