/// <summary>
/// Prepare currencier for retrieving rates from all possible sources.
/// </summary>
static void EnsureImportingMeansSetup()
{
if (fastWeb != null)
{
return;
}
fastWeb = new FastWeb2("https://www.google.com/")
{
WebAccessRetries = 0
};
rateParser = new BitParser()
{
SelectMethod = SelectMethod.XPath,
DetailType = SelectDetailType.Property,
SelectQuery = "//*[contains(text(),' United States Dollar')]",
Detail = "InnerText",
PostProcess = new[]
{
new Mold(MoldType.Before, " United States Dollar"),
new Mold(MoldType.Substr, (-5).ToString()),
new Mold(MoldType.OnlyFloatChars),
}
};
}
/// <summary>
/// Call for starting parsing by the contained rules, using provided crude information html content string.
/// </summary>
public PageParseResult Parse(string relativeUri = null)
{
if (fastWeb == null)
{
fastWeb = new FastWeb2(Domain);
}
var rawHtml = fastWeb.Get(relativeUri);
//PreprocessPlan
string processedHtml = PagePreprocess == null ? rawHtml : rawHtml.Mold(PagePreprocess);
//interpret as document node
HtmlDocument document = new HtmlDocument();
document.LoadHtml(processedHtml);
HtmlNode entireDocumentNode = document.DocumentNode;
var pageParseResult = new PageParseResult
{
Title = Title.ExtractSingle(node: entireDocumentNode)
};
if (Subtitle != null)
{
pageParseResult.Title += " " + Subtitle.ExtractSingleFromNode(node: entireDocumentNode);
}
if (Thumbnail != null)
{
pageParseResult.ThumbPath = Thumbnail.ExtractSingleFromNode(node: entireDocumentNode);
}
//Parsing Actual Options
if (DefaultOptionMode != DefaultOptionMode.Single)
{
try
{
bool isRegex = OptionsList.SelectMethod == SelectMethod.Regex;
IEnumerable <object> crudeOptions;
if (isRegex)
{
crudeOptions = OptionsList.ExtractList(entireDocumentNode.InnerHtml);
}
else
{
crudeOptions = OptionsList.ExtractList(entireDocumentNode);
}
foreach (var entry in crudeOptions)
{
var optionParseResult = isRegex ? ActualOption.Parse(entry as string) : ActualOption.Parse(entry as HtmlNode);
if (optionParseResult.Price.Amount == 0 && PriceMode != PriceMode.Add)
{
continue;
}
pageParseResult.OptionParseResults.Add(optionParseResult);
}
}
catch (NullReferenceException nrex) when(DefaultOptionMode == DefaultOptionMode.Alongside || DefaultOptionMode == DefaultOptionMode.Alternative)
{
//swallow when actual options absence allowed
Logger.Log(nrex.Message + " @ PageParsing of " + relativeUri);
}
}
//Default Option Logic
if (DefaultOptionMode != DefaultOptionMode.Ignore)
{
if (DefaultOptionMode == DefaultOptionMode.Single)
{
Logger.Log(Domain + " has 1 option per page setup. Add all options separately.");
}
OptionParseResult defaultOption;
try
{
defaultOption = DefaultOption.Parse(entireDocumentNode);
defaultOption.PropertyA = defaultOption.Code = DefaultOptionMode.ToString();
}
catch (NullReferenceException nrex)
{
Logger.Log(nrex.Message + " @ PageParsing of " + relativeUri);
throw;
}
//Prices correction according to Price Mode Setting
if (PriceMode == PriceMode.Add)
{
foreach (OptionParseResult optParseRes in pageParseResult.OptionParseResults)
{
optParseRes.Price.Amount += defaultOption.Price.Amount;
}
}
//Adding default option to the options list, if necessary
if (DefaultOptionMode == DefaultOptionMode.Alongside ||
DefaultOptionMode == DefaultOptionMode.Single ||
(DefaultOptionMode == DefaultOptionMode.Alternative && pageParseResult.OptionParseResults.Count == 0))
{
pageParseResult.OptionParseResults.Add(defaultOption);
}
}
//Prices correction according to the Main Currency & Shop Ordering Rules
foreach (OptionParseResult optParseRes in pageParseResult.OptionParseResults)
{
optParseRes.Price = optParseRes.Price.AsMainCurrency();
var value = optParseRes.Price.Amount;
value /= 1 + OrderDeduction;
if (OrderExtra != null && OrderLimit != null && OrderLimit.AsMainCurrency().Amount > 0)
{
decimal limitValue = OrderLimit.AsMainCurrency().Amount;
decimal orderExtraValue = OrderExtra.AsMainCurrency().Amount;
decimal piecesPerOrder = limitValue / value;
decimal extraPerPiece = orderExtraValue / piecesPerOrder;
value += extraPerPiece;
}
optParseRes.Price.Amount = value;
}
return(pageParseResult);
}
