/// <summary>
/// Add a list of properties to use in summary text/body to supplied SummarizerParameters object
/// </summary>
/// <param name="summaryParameters"></param>
/// <param name="titleLinkProperties"></param>
/// <param name="summaryProperties"></param>
/// <param name="fuzzieness"></param>
/// <param name="wildcard"></param>
static void AddSummaryProperties(SummarizerParameters summaryParameters, string titleLinkProperties, string summaryProperties, double fuzzieness, bool wildcard)
{
var titleBoost = Config.Instance.GetSearchTitleBoost();
var titleSummary = GetProperties(titleLinkProperties, titleBoost, fuzzieness, wildcard);
summaryParameters.TitleLinkProperties = titleSummary.Count > 0 ? titleSummary : new List <UmbracoProperty> {
new UmbracoProperty("nodeName", titleBoost, fuzzieness, wildcard)
};
var bodySummary = GetProperties(summaryProperties, 1.0, fuzzieness, wildcard);
summaryParameters.BodySummaryProperties = bodySummary.Count > 0 ? bodySummary : new List <UmbracoProperty> {
new UmbracoProperty(Config.Instance.GetLuceneFtField(), 1.0, fuzzieness, wildcard)
};
}
private static Summarizer SetupSummariser(SummarizerParameters SumParams, int UseHighlighting)
{
// Create summarizer according to highlighting option
Summarizer summarizer;
if (UseHighlighting > 0)
{
summarizer = new Highlight(SumParams);
}
else
{
summarizer = new Plain(SumParams);
}
return(summarizer);
}
private static SummarizerParameters SetupSummariserParameters(string SearchTerm, string TitleLinkProperties, string SummaryProperties, int SummaryLength, string Fuzzieness = "1.0", int Wildcard = 0)
{
//Setup summarizer parameters
double fuzzy;
if (string.IsNullOrEmpty(Fuzzieness) || !double.TryParse(Fuzzieness, out fuzzy))
{
fuzzy = 1.0;
}
var wildcardBool = Wildcard > 0;
var summaryParameters = new SummarizerParameters {
SearchTerm = SearchTerm
};
if (SummaryLength > 0)
{
summaryParameters.SummaryLength = SummaryLength;
}
AddSummaryProperties(summaryParameters, TitleLinkProperties, SummaryProperties, fuzzy, wildcardBool);
return(summaryParameters);
}
/// <summary>
/// Main XSLT Helper Search function, the laundry list of parameters are documented more fully in FullTextSearch.xslt
/// Basically this constructs a search object and a highlighter object from the parameters, then calls another
/// function to return search results as XML.
/// </summary>
/// <param name="searchType">MultiRelevance, MultiAnd, etc.</param>
/// <param name="searchTerm">The search terms as entered by user</param>
/// <param name="titleProperties">A list of umbraco properties, comma separated, to be searched as the page title</param>
/// <param name="bodyProperties">A list of umbraco properties, comma separated, to be searched as the page body</param>
/// <param name="rootNodes">Return only results under these nodes, set to blank or -1 to search all nodes</param>
/// <param name="titleLinkProperties">Umbraco properties, comma separated, to use in forming the (optionally highlighted) title</param>
/// <param name="summaryProperties">Umbraco properties, comma separated, to use in forming the (optionally highlighted) summary text</param>
/// <param name="useHighlighting">Enable context highlighting(note this can slow things down)</param>
/// <param name="summaryLength">Number of characters in the summary text</param>
/// <param name="pageNumber">Page number of results to return</param>
/// <param name="pageLength">Number of results on each page, zero disables paging and returns all results</param>
/// <param name="fuzzieness">Amount 0-1 to "fuzz" the search, return non exact matches</param>
/// <param name="wildcard">Add wildcard to the end of search term. Doesn't work together with fuzzyness</param>
/// <returns></returns>
public static XPathNodeIterator Search(string searchType, string searchTerm, string titleProperties, string bodyProperties, string rootNodes, string titleLinkProperties, string summaryProperties, int useHighlighting, int summaryLength, int pageNumber = 0, int pageLength = 0, string fuzzieness = "1.0", int wildcard = 0)
{
// Measure time taken. This could be done more neatly, but this is more accurate
var stopwatch = new Stopwatch();
stopwatch.Start();
// Check search terms were actually entered
if (String.IsNullOrEmpty(searchTerm))
{
return(ReturnError("NoTerms", "You must enter a search term"));
}
// Setup search parameters
double fuzzy;
if (String.IsNullOrEmpty(fuzzieness) || !Double.TryParse(fuzzieness, out fuzzy))
{
fuzzy = 1.0;
}
var wildcardBool = wildcard > 0;
var searchParameters = new SearchParameters();
var searchProperties = GetSearchProperties(titleProperties, bodyProperties, fuzzy, wildcardBool);
if (searchProperties != null)
{
searchParameters.SearchProperties = searchProperties;
}
searchParameters.RootNodes = GetRootNotes(rootNodes);
searchParameters.SearchTerm = searchTerm;
//Setup summarizer parameters
var summaryParameters = new SummarizerParameters {
SearchTerm = searchTerm
};
if (summaryLength > 0)
{
summaryParameters.SummaryLength = summaryLength;
}
AddSummaryProperties(summaryParameters, titleLinkProperties, summaryProperties, fuzzy, wildcardBool);
// Create summarizer according to highlighting option
Summarizer summarizer;
if (useHighlighting > 0)
{
summarizer = new Highlight(summaryParameters);
}
else
{
summarizer = new Plain(summaryParameters);
}
//Finally create search object and pass ISearchResults to XML renderer
var search = new Search(searchParameters);
switch (searchType)
{
case "MultiAnd":
return(ResultsAsXml(search.ResultsMultiAnd(), summarizer, pageNumber, pageLength, stopwatch));
case "SimpleOr":
return(ResultsAsXml(search.ResultsSimpleOr(), summarizer, pageNumber, pageLength, stopwatch));
case "AsEntered":
return(ResultsAsXml(search.ResultsAsEntered(), summarizer, pageNumber, pageLength, stopwatch));
default:
return(ResultsAsXml(search.ResultsMultiRelevance(), summarizer, pageNumber, pageLength, stopwatch));
}
}