private async Task <string> ExecuteKScriptNodeAsync(KScriptNode node, Dictionary <string, AliasReference> classNameAlias, bool isRepeat)
{
try
{
StringBuilder resultString = new StringBuilder("");
string apiUrl = string.Copy(node.API);
string input = "";
if (!string.IsNullOrEmpty(node.Input))
{
input = string.Copy(node.Input);
}
string headers = "";
if (!string.IsNullOrEmpty(node.Headers))
{
headers = string.Copy(node.Headers);
}
bool cacheEnabled = true;
if (!string.IsNullOrEmpty(node.IsCacheEnabledString))
{
string cacheEnabledStr = await evaluator.EvaluateExpressionAsync(node.IsCacheEnabledString, classNameAlias);
bool.TryParse(cacheEnabledStr, out cacheEnabled);
}
if (!cacheEnabled)
{
CacheableResult = false;
}
if (!string.IsNullOrEmpty(apiUrl))
{
if (!string.IsNullOrEmpty(input))
{
var inputMatches = Constant.WidgetRegulerExpression.Matches(input);
Dictionary <string, string> matchDict = new Dictionary <string, string>();
//Handle the (,) withing the expression business.name.replace('hello',''). it was spliting by comma so used unique pattern
for (var i = 0; i < inputMatches.Count; i++)
{
matchDict.Add($"##__{i}__##", inputMatches[i].Value);
input = input.Replace(inputMatches[i].Value, $"##__{i}__##");
}
var inputArray = input.Split(',');
int count = 0;
foreach (var inputVal in inputArray)
{
var elem = inputVal;
foreach (var placHolder in matchDict)
{
elem = elem.Replace(placHolder.Key, placHolder.Value);
}
if (elem.Contains("]") || elem.Contains("["))
{
dynamic outputObject = await evaluator.EvaluateExpressionAsync(elem, classNameAlias);
var output = outputObject.ToString();
apiUrl = apiUrl.Replace("{" + count + "}", output.Trim('\''));
}
else
{
apiUrl = apiUrl.Replace("{" + count + "}", elem);
}
count++;
}
}
var headerDict = new Dictionary <string, string>();
if (!string.IsNullOrEmpty(headers))
{
var headersArray = Helper.TrimDelimiters(headers).Split(',');
foreach (var header in headersArray)
{
var separator = header.Split(':');
if (!headerDict.ContainsKey(separator[0].Trim()))
{
headerDict.Add(separator[0].Trim().Trim('\''), separator[1].Trim().Trim('\''));
}
}
}
//var result = GetResponseFromKScript(apiUrl, headerDict, cacheEnabled, functionLog);
var result = await ApiHelper.GetResponseFromKScriptAsync(apiUrl, headerDict, cacheEnabled, rootAliasUri, functionLog, websiteId);
if (result != null)
{
evaluator.ChangePropertiesToLowerCase(result);
classNameAlias.Remove("kresult");
classNameAlias.Add("kresult", new AliasReference {
iteration = -1, maxIteration = -1, referenceObject = result
});
}
string res = await ProcessNodesAsync(node.Children, classNameAlias, isRepeat);
resultString.Append(res);
classNameAlias.Remove("kresult");
}
return(resultString.ToString());
}
catch (Exception e)
{
CacheableResult = false;
ConsoleLogger.Write($"ERROR: ExecuteKScriptNodeAsync: \t {e.ToString()}, source:" + page.SourcePath);
}
return("");
}
private HtmlNode ProcessExtractBlocksNode(HtmlNode node)
{
HtmlNode returnNode = node;
bool isKTag = false;
if (nodeNameBlockDescriptors.Contains(node.Name))
{
if (node.Name.Equals(LanguageAttributes.KScript.GetDescription().ToLower()))
{
var apiUrl = decodeExpression(node.GetAttributeValue("get-api", null));
var input = node.GetAttributeValue("input", null);
var headers = node.GetAttributeValue("headers", null)?.Trim()?.Trim('[')?.Trim(']');
string cacheEnabledStr = node.GetAttributeValue("cacheenabled", null);
BlockNode bNode = new KScriptNode(apiUrl, input, headers, cacheEnabledStr);
HtmlNode tempNode = node.OwnerDocument.CreateTextNode(GenerateBlockIdentifier());
returnNode = tempNode;
blockNodeReferenceList.Add(currentBlockNumber, bNode);
node.ParentNode.InsertAfter(tempNode, node);
node.Remove();
var htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml("<div></div>");
HtmlNode newNode = htmlDoc.DocumentNode.FirstChild;
newNode.AppendChildren(node.ChildNodes);
bNode.Children.AddRange(GetNodes(newNode, true));
return(tempNode);
}
else if (node.Name.Equals(LanguageAttributes.KTag.GetDescription().ToLower()))
{
isKTag = true;
}
//Removed the srcset as its domain specific (some cdn was not configured so that it was not working on some domain)
//else if (node.Name.Equals("img"))
//{
// if (node.Attributes.Any(x => "src" == x.Name?.ToLower()))
// {
// node.Attributes.Remove("srcset");
// node.Attributes.Add("srcset", $"[[getSrcSet({node.Attributes["src"].Value.Replace(@"[[", @"\[\[").Replace(@"]]", @"\]\]")})]]");
// }
//}
}
List <HtmlAttribute> attributeList = node.Attributes.Where(x => attributeNameBlockDescriptors.Contains(x.Name)).ToList();
if (attributeList.Count > 0)
{
HtmlAttribute repeatAttribute = null;
repeatAttribute = attributeList.FirstOrDefault(x => x.Name == LanguageAttributes.KRepeat.GetDescription().ToLower());
foreach (HtmlAttribute attribute in attributeList)
{
BlockNode blockNode = null;
switch (attribute.Name.ToLower())
{
case "k-show":
blockNode = new KShowNode(decodeExpression(attribute.Value.Replace("[[", "").Replace("]]", "")));
break;
case "k-hide":
blockNode = new KHideNode(decodeExpression(attribute.Value.Replace("[[", "").Replace("]]", "")));
break;
case "k-pay-amount":
{
node.Attributes.Add("k-pay-checksum", $"[[getChecksum({attribute.Value.Replace("[[", "").Replace("]]", "")})]]");
}
break;
case "k-norepeat":
blockNode = new KNoRepeatNode();
break;
}
if (blockNode != null)
{
attribute.Remove();
if (node.ParentNode != null)
{
HtmlNode tempNode = node.OwnerDocument.CreateTextNode(GenerateBlockIdentifier());
blockNodeReferenceList.Add(currentBlockNumber, blockNode);
node.ParentNode.InsertAfter(tempNode, node);
node.Remove();
//exclude the top node if isKtag to remove ktag node
blockNode.Children.AddRange(GetNodes(node, isKTag && repeatAttribute == null ? true : false));
return(tempNode);
}
else
{
return(HtmlNode.CreateNode("<!-- Invalid node -->"));
}
}
}
if (repeatAttribute != null)
{
var repeatNode = ProcessRepeatNode(node, repeatAttribute, isKTag);
if (repeatNode != null)
{
return(repeatNode);
}
}
}
return(returnNode);
}