37 lines
763 B
C#
37 lines
763 B
C#
using ExcelAddIn.Services;
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using Microsoft.Extensions.DependencyInjection;
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namespace ExcelAddIn;
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public static class ExcelFunctions
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{
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[ExcelFunction]
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public static object ExchangeRate(double dateField)
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{
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ICurrencyClient currencyClient = MyAddIn.ServiceProvider.GetService<ICurrencyClient>();
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DateTime date = dateField == 0 ? DateTime.Today : DateTime.FromOADate(dateField);
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if (ExcelAsyncUtil.Run(nameof(ExchangeRate), dateField, delegate
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{
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return currencyClient.GetExchangeRate(date)
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.GetAwaiter()
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.GetResult() ?? -1m;
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}) is not decimal requestResult)
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{
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return "Загрузка...";
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}
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else if (requestResult < 0)
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{
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return ExcelError.ExcelErrorNA;
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}
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else
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{
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return Math.Round(requestResult, 2);
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}
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}
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}
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