/// <summary>
/// Performs a lucene search using Examine.
/// </summary>
/// <param name="documentTypes">Array of document type aliases to search for.</param>
/// <param name="searchGroups">A list of search groupings, if you have more than one group it will apply an and to the search criteria</param>
/// <returns>Examine search results</returns>
public Examine.ISearchResults SearchUsingExamine(string[] documentTypes, List <SearchGroup> searchGroups)
{
if (!ExamineManager.Instance.TryGetIndex("ExternalIndex", out var index))
{
throw new InvalidOperationException($"No index found by name 'External Index'");
}
var searcher = index.GetSearcher();
var searchCriteria = searcher.CreateQuery(IndexTypes.Content);
//only shows results for visible documents.
IBooleanOperation queryNodes = searchCriteria.GroupedOr(new string[] { "umbracoNaviHide" }, "0", "");
if (documentTypes != null && documentTypes.Length > 0)
{
//only get results for documents of a certain type - changed And() to Or()
queryNodes = queryNodes.And().GroupedOr(new string[] { _docTypeAliasFieldName }, documentTypes);
}
if (searchGroups != null && searchGroups.Any())
{
//in each search group it looks for a match where the specified fields contain any of the specified search terms
//usually would only have 1 search group, unless you want to filter out further, i.e. using categories as well as search terms
foreach (SearchGroup searchGroup in searchGroups)
{
queryNodes = queryNodes.And().GroupedOr(searchGroup.FieldsToSearchIn, searchGroup.SearchTerms);
}
}
//return the results of the search
return(queryNodes.Execute());
}
/// <summary>
/// Get the results for the given query
/// </summary>
public ISearchResults Search(IBooleanOperation query, out int totalResults)
{
var searchResult = query.Execute();
totalResults = (int)searchResult.TotalItemCount;
return(searchResult);
}
/// <summary>
/// Get the results for the given query
/// </summary>
public IEnumerable <T> Search <T>(IBooleanOperation query, out int totalResults)
where T : class, IPublishedContent
{
var searchResult = query.Execute();
totalResults = (int)searchResult.TotalItemCount;
var typedResult = searchResult.GetResults <T>();
return(typedResult);
}
/// <summary>
/// Get the results for the given query
/// </summary>
public IEnumerable <T> Search <T>(IBooleanOperation query, out int totalResults)
where T : class, IPublishedContent
{
var searchResult = query.Execute();
totalResults = (int)searchResult.TotalItemCount;
var typedResult = searchResult
.ToPublishedSearchResults(_publishedSnapshotAccessor.PublishedSnapshot.Content)
.Select(x => x.Content as T)
.Where(x => x != null);
return(typedResult);
}