31 lines
984 B
C#
31 lines
984 B
C#
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using ExcelDna.Registration.Utils;
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namespace RhSolutions.AddIn;
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public static class CurrencyFunctions
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{
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private static readonly ICurrencyClient currencyClient =
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RhSolutionsAddIn.ServiceProvider.GetRequiredService<ICurrencyClient>();
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[ExcelFunction(Name = "КУРСЕВРО")]
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public static object GetEuroCurrencyRate(double dateField)
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{
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DateTime date = dateField == 0 ? DateTime.Today : DateTime.FromOADate(dateField);
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var functionName = nameof(GetEuroCurrencyRate);
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var parameters = new object[] { date };
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var exchangeRate = AsyncTaskUtil.RunTask(functionName, parameters, async () =>
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{
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var requestResult = await currencyClient.GetExchangeRate(date);
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return requestResult ?? -1m;
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});
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if (exchangeRate is not decimal)
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{
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return "Загрузка...";
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}
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return (decimal)exchangeRate < 0 ? ExcelError.ExcelErrorNA : exchangeRate;
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}
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}
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