/// <inheritdoc cref="IExchangeService.GetList"/>
public ServiceResult <IList <Exchange> > GetList(ExchangeFilter filter)
{
var result = new ServiceResult <IList <Exchange> >();
try
{
result.InnerResult = _repo.GetList(filter);
result.IsSuccess = true;
}
catch (Exception ex)
{
result.InnerException = ex;
result.ErrorMessage = ex.Message;
}
return(result);
}
/// <inheritdoc cref="IExchangeRepo.GetList"/>
public IList <Exchange> GetList(ExchangeFilter filter)
{
return(base.GetList <ExchangeFilter>(filter));
}
/// <inheritdoc cref="IExchangeGrabService.GetList(ExchangeFilter)"/>
public ServiceResult <IList <Exchange> > GetList(ExchangeFilter filter)
{
var method = MethodBase.GetCurrentMethod();
var result = new ServiceResult <IList <Exchange> >();
result.InnerResult = new List <Exchange>();
if (!filter.Date.HasValue)
{
filter.Date = DateTime.Now;
}
var queryStartDate = filter.Date.Value.AddDays(-10).Date.ToString("yyyy/MM/dd");
var queryEndDate = filter.Date.Value.Date.ToString("yyyy/MM/dd");
var client = new RestClient("https://www.taifex.com.tw/cht/3/dailyFXRate");
var request = new RestRequest(Method.POST);
request.AddHeader("content-type", "application/x-www-form-urlencoded");
request.AddParameter("application/x-www-form-urlencoded", $"queryStartDate={queryStartDate.UrlEncode()}&queryEndDate={queryEndDate.UrlEncode()}", "application/x-www-form-urlencoded", ParameterType.RequestBody);
var response = client.Execute(request);
if (response.IsSuccessful)
{
var doc = new HtmlDocument();
doc.LoadHtml(response.Content);
_logger.LogTrace(response.Content);
var count = 0;
foreach (var row in doc.DocumentNode.SelectNodes("//*[contains(@class, \"table_c\")]/tbody/tr"))
{
count++;
if (count == 1)
{
continue;
}
// 日期 美元／新台幣 人民幣／新台幣 歐元／美元 美元／日幣 英鎊／美元 澳幣／美元 美元／港幣 美元／人民幣 美元／南非幣 紐幣／美元
var items = row.SelectNodes("td");
if (items.Count > 0 &&
!string.IsNullOrEmpty(items[(int)ExchangeProps.Date].InnerText) &&
!string.IsNullOrWhiteSpace(Regex.Unescape(items[(int)ExchangeProps.UsdTwd].InnerText.Replace("-", string.Empty))))
{
var item = new Exchange()
{
Date = DateTime.Parse(items[(int)ExchangeProps.Date].InnerText),
Data = new List <ExchangeItem>(),
};
for (var i = (int)ExchangeProps.UsdTwd; i < (int)ExchangeProps.End; i++)
{
if (!string.IsNullOrWhiteSpace(Regex.Unescape(items[i].InnerText.Replace("-", string.Empty))))
{
var value = decimal.Parse(Regex.Unescape(items[i].InnerText));
var subItem = new ExchangeItem()
{
Id = ((ExchangeProps)i).ExtGetDescription(),
Value = value
};
if (subItem.Value > 0)
{
item.Data.Add(subItem);
}
}
}
if (item.Data.Count > 0)
{
result.InnerResult.Add(item);
}
}
}
}
else
{
_logger.LogError(result.InnerException, $"{method.Name} raise exception in RESTSharp");
}
result.IsSuccess = true;
return(result);
}
