public string Execute(string customerId, KEntity entity, dynamic fpDetails, Pagination viewDetails, string queryString, HtmlDocument document, Dictionary <string, long> functionLog, bool isDetailsView = false, bool isNFSite = false)
{
try
{
Dictionary <string, AliasReference> classNameAlias = new Dictionary <string, AliasReference>();
Dictionary <int, string> classNameAliasDepth = new Dictionary <int, string>();
int depth = 0;
bool isIteration = false;
bool isRepeat = false;
ExpressionEvaluator evaluator = new ExpressionEvaluator();
HtmlNode readNode = document.DocumentNode.FirstChild;
HtmlDocument finalDocument = new HtmlDocument();
if (readNode.OuterHtml.ToLower() == "<!doctype html>")
{
finalDocument.LoadHtml(readNode.OuterHtml);
}
else
{
finalDocument.LoadHtml(GetProcessedNode(readNode, classNameAlias, classNameAliasDepth, depth, isRepeat, evaluator, customerId, entity, fpDetails, viewDetails, queryString, functionLog, isDetailsView, isNFSite).OuterHtml);
}
HtmlNode writeNode = finalDocument.DocumentNode.FirstChild;
while (readNode.NodeType != HtmlNodeType.Document)
{
if (isIteration)
{
readNode = readNode.FirstChild;
writeNode.InsertAfter(GetProcessedNode(readNode, classNameAlias, classNameAliasDepth, depth, isRepeat, evaluator, customerId, entity, fpDetails, viewDetails, queryString, functionLog, isDetailsView, isNFSite), writeNode.LastChild);
writeNode = writeNode.LastChild;
depth++;
isIteration = false;
isRepeat = true;
}
else if (readNode.HasChildNodes && writeNode.NodeType != HtmlNodeType.Comment)
{
readNode = readNode.FirstChild;
writeNode.PrependChild(GetProcessedNode(readNode, classNameAlias, classNameAliasDepth, depth, isRepeat, evaluator, customerId, entity, fpDetails, viewDetails, queryString, functionLog, isDetailsView, isNFSite));
writeNode = writeNode.FirstChild;
depth++;
}
else if (readNode.NextSibling != null)
{
if (classNameAliasDepth.ContainsKey(depth))
{
string classAlias = classNameAliasDepth[depth];
if (classNameAlias.ContainsKey(classAlias))
{
classNameAlias.Remove(classAlias);
}
classNameAliasDepth.Remove(depth);
}
readNode = readNode.NextSibling;
writeNode.ParentNode.InsertAfter(GetProcessedNode(readNode, classNameAlias, classNameAliasDepth, depth, isRepeat, evaluator, customerId, entity, fpDetails, viewDetails, queryString, functionLog, isDetailsView, isNFSite), writeNode);
writeNode = writeNode.NextSibling;
}
else
{
while (!isIteration && readNode.NextSibling == null && readNode.NodeType != HtmlNodeType.Document)
{
depth--;
readNode = readNode.ParentNode;
writeNode = writeNode.ParentNode;
if (classNameAliasDepth.ContainsKey(depth))
{
string classAlias = classNameAliasDepth[depth];
AliasReference aliasReference = classNameAlias[classAlias];
if (classAlias != "kresult" && ++aliasReference.iteration < aliasReference.maxIteration)
{
isIteration = true;
}
else
{
if (classAlias == "kresult")
{
fpDetails["_system"]["kresult"] = null;
}
if (classNameAlias.ContainsKey(classAlias))
{
classNameAlias.Remove(classAlias);
}
//classNameAliasDepth.Remove(depth-1);
classNameAliasDepth.Remove(depth);
}
}
}
if (!isIteration && readNode.NextSibling != null)
{
readNode = readNode.NextSibling;
writeNode.ParentNode.InsertAfter(GetProcessedNode(readNode, classNameAlias, classNameAliasDepth, depth, isRepeat, evaluator, customerId, entity, fpDetails, viewDetails, queryString, functionLog, isDetailsView, isNFSite), writeNode);
writeNode = writeNode.NextSibling;
}
}
if (isRepeat && classNameAliasDepth.Count == 0)
{
isRepeat = false;
}
}
HtmlNodeCollection kScriptNodes = finalDocument.DocumentNode.SelectNodes("//k-script");
if (kScriptNodes != null && kScriptNodes.Count() > 0)
{
foreach (HtmlNode kscriptNode in kScriptNodes)
{
if (kscriptNode.PreviousSibling != null)
{
HtmlNode sibling = kscriptNode.PreviousSibling;
foreach (HtmlNode childNode in kscriptNode.ChildNodes)
{
kscriptNode.ParentNode.InsertAfter(childNode, sibling);
sibling = childNode;
}
}
else
{
kscriptNode.ParentNode.PrependChildren(kscriptNode.ChildNodes);
}
kscriptNode.Remove();
}
}
string htmlString = finalDocument.DocumentNode.OuterHtml;
if (!String.IsNullOrEmpty(htmlString))
{
return(System.Net.WebUtility.HtmlDecode(htmlString));
}
else
{
return(null);
}
}
catch (Exception ex) { throw; }
}
/// <summary>
/// Replace k-expressions in the input html with evaluated values and return final html.
/// </summary>
/// <param name="html"></param>
/// <param name="classNameAlias"></param>
/// <param name="evaluator"></param>
/// <returns></returns>
private string ReplaceKLanguage(string html, Dictionary <string, AliasReference> classNameAlias, ExpressionEvaluator evaluator, KEntity entity, Models.Pagination viewDetails, dynamic businessData, dynamic kresult, string queryString, Dictionary <string, long> functionLog, bool isDetailsView, bool isNFSite)
{
string outputHtml = html;
try
{
var matches = Kitsune.Helper.Constants.WidgetRegulerExpression.Matches(html);
foreach (Match match in matches)
{
dynamic replaceValue = evaluator.EvaluateExpression(match.Value, entity, viewDetails, classNameAlias, businessData, kresult, queryString, out bool hasData, functionLog, isDetailsView, isNFSite);
outputHtml = GetReplacedValue(outputHtml, match.Value, replaceValue);
}
if (string.IsNullOrEmpty(outputHtml))
{
outputHtml = " ";
}
}
catch (Exception ex) { }
return(System.Net.WebUtility.HtmlEncode(outputHtml));
}
/// <summary>
/// Process the node for k-tags and k-expressions and return the processed node.
/// </summary>
/// <param name="readNode"></param>
/// <param name="classNameAlias"></param>
/// <param name="classNameAliasDepth"></param>
/// <param name="depth"></param>
/// <param name="isRepeat"></param>
/// <param name="evaluator"></param>
/// <returns></returns>
private HtmlNode GetProcessedNode(HtmlNode readNode, Dictionary <string, AliasReference> classNameAlias, Dictionary <int, string> classNameAliasDepth, int depth, bool isRepeat, ExpressionEvaluator evaluator, string customerId, KEntity entity, dynamic websiteData, Models.Pagination viewDetails, string queryString, Dictionary <string, long> functionLog, bool isDetailsView, bool isNFSite)
{
try
{
HtmlNode returnNode = readNode.CloneNode(false);
if (readNode.NodeType == HtmlNodeType.Comment)
{
return(returnNode);
}
else if (readNode.NodeType == HtmlNodeType.Text)
{
returnNode = HtmlTextNode.CreateNode(ReplaceKLanguage(readNode.OuterHtml, classNameAlias, evaluator, entity, viewDetails, websiteData, websiteData?._system?.kresult, queryString, functionLog, isDetailsView, isNFSite)) ?? returnNode;
return(returnNode);
}
else if (readNode.NodeType == HtmlNodeType.Element)
{
if (isRepeat && (false || readNode.Attributes.Aggregate(false, (acc, x) => acc || x.Name.ToLower().Equals("k-norepeat"))))
{
returnNode = HtmlCommentNode.CreateNode("<!-- skip -->");
}
if (returnNode.Attributes.Count() > 0)
{
foreach (HtmlAttribute attribute in returnNode.Attributes.ToList())
{
if (returnNode.NodeType == HtmlNodeType.Comment)
{
break;
}
if (!String.IsNullOrEmpty(attribute.Name) && dynamicTagDescriptors.Contains(attribute.Name.ToLower()))
{
TagProcessor processor = processorFactory.GetProcessor(attribute.Name);
processor.ProcessNode(ref returnNode, attribute, classNameAlias, classNameAliasDepth, depth, customerId, evaluator, entity, websiteData, viewDetails, queryString, functionLog, isDetailsView, isNFSite);
if (!(attribute.Name.ToLower().Equals(LanguageAttributes.KPayAmount.GetDescription()) || attribute.Name.ToLower().Equals(LanguageAttributes.KPayPurpose.GetDescription())))
{
returnNode.Attributes[attribute.Name.ToLower()]?.Remove();
}
}
else if (!attribute.Name.Equals("input", StringComparison.InvariantCultureIgnoreCase) && !attribute.Name.Equals("headers", StringComparison.InvariantCultureIgnoreCase) && Kitsune.Helper.Constants.WidgetRegulerExpression.IsMatch(attribute.Value))
{
attribute.Value = ReplaceKLanguage(attribute.Value, classNameAlias, evaluator, entity, viewDetails, websiteData, websiteData?._system?.kresult, queryString, functionLog, isDetailsView, isNFSite);
//attribute.Value = evaluator.EvaluateExpression(attribute.Value, entity, viewDetails, classNameAlias, websiteData, websiteData?._system?.kresult, queryString, isDetailsView, isNFSite);
if (returnNode.Name?.ToLower() == "img" && attribute.Name?.ToLower() == "src")
{
attribute.Value = attribute.Value?.Trim();
}
}
}
if (requestType == KitsuneRequestUrlType.PRODUCTION && returnNode.Name?.ToLower() == "img")
{
string source = returnNode.Attributes.Where(x => x.Name.ToLower() == "src")?.FirstOrDefault()?.Value;
if (!string.IsNullOrEmpty(source) && !source.StartsWith("/") && !source.StartsWith(".") && !source.StartsWith("data:") && source.ToLower().IndexOf("k-img") < 0)
{
source = source.Replace(" ", "%20");
string ext = source.Split('?')[0].Split('.').Last().ToLower();
string domain = source.Replace("http://", "").Replace("https://", "").Split('/')[0].ToLower();
if (!BlackListKImgFileExtension.Contains(ext) && !BlackListKImgDomain.Contains(domain) && !domain.Contains("cdn") && !domain.Contains("akamai") && !domain.Contains("cloudflare"))
{
string rootUrl = websiteData?.rootaliasurl?.url?.Value;
if (!source.StartsWith(rootUrl, StringComparison.InvariantCultureIgnoreCase))
{
string srcSetValue = "";
foreach (int resolution in KLM_Constants.IMAGE_RESOLUTIONS)
{
srcSetValue += String.Format(KLM_Constants.K_IMG_FORMAT_STRING, resolution, source);
}
if (srcSetValue != null)
{
returnNode.Attributes.Add("srcset", srcSetValue);
//returnNode.Attributes.Remove("src");
}
}
}
}
}
}
//if (returnNode.Name?.ToLower() == "img")
//{
// string source = returnNode.Attributes.Where(x => x.Name.ToLower() == "src").FirstOrDefault().Value;
// if (!string.IsNullOrEmpty(source))
// {
// string[] srcParts = source.Split('?')[0].Split('.');
// if (!srcParts[srcParts.Length - 1].Equals("svg", StringComparison.InvariantCultureIgnoreCase))
// {
// string rootUrl = websiteData?.rootaliasurl?.url?.Value;
// string path = websiteData?._system?.request?.urlpath?.Value;
// string srcSetValue = GetSrcSetValue(rootUrl, path, source);
// if (srcSetValue != null)
// {
// returnNode.Attributes.Add("srcset", srcSetValue);
// //returnNode.Attributes.Remove("src");
// }
// }
// }
//}
if (returnNode.Name?.ToLower() == LanguageAttributes.KScript.GetDescription()?.ToLower())
{
TagProcessor processor = processorFactory.GetProcessor(returnNode.Name);
processor.ProcessNode(ref returnNode, null, classNameAlias, classNameAliasDepth, depth, customerId, evaluator, entity, websiteData, viewDetails, queryString, functionLog, isDetailsView, isNFSite);
}
}
return(returnNode);
}
catch (Exception ex) { throw; }
}
