private decimal?GetParameterValue(string prefix, string postfix, string pageContent = null)
{
if (string.IsNullOrEmpty(pageContent))
{
pageContent = WebPageContent;
}
var checker = new BasePriceChecker(prefix, postfix);
var draftValue = checker.GetElementValue(pageContent);
if (string.IsNullOrEmpty(draftValue))
{
return(null);
}
int index = draftValue.Length - 1;
string stringValue = string.Empty;
while (draftValue[index] != '>')
{
stringValue = draftValue[index--] + stringValue;
}
stringValue = stringValue.Replace("–", "-");
stringValue = stringValue.Replace("�", "");
if (stringValue == "-")
{
return(null);
}
return(Convert.ToDecimal(stringValue));
}
private decimal?GetDohWeek()
{
string prefix = @"Доходность за период";
prefix = prefix.Replace("'", "\"");
//var postfix = "</td><td>";
var postfix = "%</td></tr></tbody></table></div";
postfix = postfix.Replace("'", "\"");
var checker = new BasePriceChecker(prefix, postfix);
var draftValue = checker.GetElementValue(WebPageContent);
if (string.IsNullOrEmpty(draftValue))
{
return(null);
}
int index = draftValue.Length - 1;
string stringValue = string.Empty;
char currentSymbol;
do
{
currentSymbol = draftValue[index];
draftValue = draftValue.Substring(0, draftValue.Length - 1);
--index;
}while (currentSymbol != '%');
//prefix = draftValue.Substring(0, 1);
//postfix = "%";
index = draftValue.Length - 1;
stringValue = string.Empty;
while (draftValue[index] != '>')
{
stringValue = draftValue[index--] + stringValue;
}
stringValue = stringValue.Replace("–", "-");
if (stringValue == "-")
{
return(null);
}
return(Convert.ToDecimal(stringValue));
}