public async Task <IBankResult> GetRateAsync(string currency, DateTime date)
{
IBankResult bankResult = new BankResult()
{
ExchangeRate = -1m,
RateDate = date,
HomeCurrency = homeCurrency,
BankName = bankName
};
//https://sdw-wsrest.ecb.europa.eu/service/data/EXR/D.USD.EUR.SP00.A?startPeriod=2019-11-01&endPeriod=2019-11-04
string startDate = date.ToString("yyyy-MM-dd");
Uri methodUri = new Uri($"{baseUrl}/{resource}/{flowRef}/D.{currency}.EUR.SP00.A?startPeriod={startDate}&endPeriod={startDate}");
using (WebClient client = new WebClient())
{
try
{
decimal result = 0;
string xml = await client.DownloadStringTaskAsync(methodUri);
if (!string.IsNullOrEmpty(xml))
{
XmlDocument xmlDocument = new XmlDocument();
xmlDocument.LoadXml(xml);
XmlNamespaceManager namespaceManager = new XmlNamespaceManager(xmlDocument.NameTable);
namespaceManager.AddNamespace("message", "http://www.sdmx.org/resources/sdmxml/schemas/v2_1/message");
namespaceManager.AddNamespace("generic", "http://www.sdmx.org/resources/sdmxml/schemas/v2_1/data/generic");
namespaceManager.AddNamespace("xsi", "http://www.w3.org/2001/XMLSchema-instance");
namespaceManager.AddNamespace("common", "http://www.sdmx.org/resources/sdmxml/schemas/v2_1/common");
string xmlPath = $"/message:GenericData/message:DataSet/generic:Series/generic:Obs/generic:ObsValue";
string rate = xmlDocument.SelectSingleNode(xmlPath, namespaceManager).Attributes[0].Value;
decimal.TryParse(rate.ToString(), out result);
bankResult.ExchangeRate = result;
}
else
{
return(await GetRateAsync(currency, date.AddDays(-1)));
}
}
catch
{
return(bankResult);
}
return(bankResult);
}
}
public async Task <IBankResult> GetRateAsync(string currency, DateTime date)
{
IBankResult bankResult = new BankResult()
{
ExchangeRate = -1m,
RateDate = date,
HomeCurrency = homeCurrency,
BankName = bankName
};
if (SupportedCurrencies.ContainsKey(currency))
{
using (WebClient client = new WebClient())
{
try
{
RateDate = date;
string startDate = date.ToString("yyyyMMdd");
Uri methodUri = new Uri($"{baseUrl}{currency}&{startDate}&json");
string json = await client.DownloadStringTaskAsync(methodUri);
JArray ja = (JArray)JsonConvert.DeserializeObject(json);
if (ja.Count != 0)
{
decimal result = decimal.Zero;
decimal.TryParse(ja.SelectToken("$[0].rate").ToString(), out result);
bankResult.ExchangeRate = result;
return(bankResult);
}
else
{
return(await GetRateAsync(currency, date.AddDays(-1)));
}
}
catch
{
return(bankResult);
}
};
}
else
{
return(bankResult);
}
}
public Task <IBankResult> GetRateAsync(string currency, DateTime date)
{
IBankResult bankResult = new BankResult()
{
ExchangeRate = -1m,
RateDate = date,
HomeCurrency = homeCurrency,
BankName = bankName
};
DailyInfoSoap client = new DailyInfoSoapClient(DailyInfoSoapClient.EndpointConfiguration.DailyInfoSoap);
Task <ArrayOfXElement> fxRates = client.GetCursOnDateAsync(date);
List <XElement> Results = fxRates.Result.Nodes;
foreach (XElement result in Results)
{
if (result.Name.LocalName == "diffgram")
{
XElement ValuteData = result.Element("ValuteData");
IEnumerable <XElement> ValueOnDate = ValuteData.Elements();
foreach (XElement ValuteCursOnDate in ValueOnDate)
{
IEnumerable <XElement> Properties = ValuteCursOnDate.Elements();
string Currency = ValuteCursOnDate.Element("VchCode").Value;
decimal FxRate = decimal.Zero;
decimal.TryParse(ValuteCursOnDate.Element("Vcurs").Value, out FxRate);
decimal multiplier = decimal.Zero;
decimal.TryParse(ValuteCursOnDate.Element("Vnom").Value, out multiplier);
if (Currency == currency)
{
FxRate /= multiplier;
bankResult.ExchangeRate = FxRate;
return(Task.FromResult(bankResult));
}
}
}
}
return(Task.FromResult(bankResult));
}
public BankResult ExecuteGet(int bankId, string date, string currency)
{
//http://k_krylov_nb:8060/0/rest/ExchangeRate_WS/ExecuteGet?bankId=0&date=2019-11-20¤cy="RUB"
DateTime.TryParse(date, out DateTime dt);
IBank bank = BankFactory.GetBank((BankFactory.SupportedBanks)bankId);
IBankResult bankResult = Task.Run(() => bank.GetRateAsync(currency.ToUpper(), dt)).Result;
BankResult result = new BankResult
{
ExchangeRate = bankResult.ExchangeRate,
RateDate = bankResult.RateDate,
HomeCurrency = bankResult.HomeCurrency,
BankName = bankResult.BankName
};
return(result);
}
public async Task <IBankResult> GetRateAsync(string currency, DateTime date)
{
IBankResult bankResult = new BankResult()
{
ExchangeRate = -1m,
RateDate = date,
HomeCurrency = homeCurrency,
BankName = bankName
};
//https://www.bankofcanada.ca/valet/observations/FXUSDCAD?start_date=2019-11-05&end_date=2019-11-05
string startDate = date.ToString("yyyy-MM-dd");
Uri methodUri = new Uri($"{baseUrl}/observations/FX{currency}CAD?start_date={startDate}&end_date={startDate}");
using (WebClient client = new WebClient())
{
try
{
decimal result = 0;
string json;
json = await client.DownloadStringTaskAsync(methodUri);
JObject jo = JsonConvert.DeserializeObject <JObject>(json);
JArray ja = (JArray)jo.SelectToken("$.observations");
if (ja.Count != 0)
{
string v = ja.SelectToken($"[0].FX{currency}CAD.v").ToString();
decimal.TryParse(v, out result);
bankResult.ExchangeRate = result;
return(bankResult);
}
else
{
return(await GetRateAsync(currency, date.AddDays(-1)));
}
}
catch
{
return(bankResult);
}
}
}