/// <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)
{
var searcher = ExamineManager.Instance.SearchProviderCollection["ExternalSearcher"];
ISearchCriteria searchCriteria = searcher.CreateSearchCriteria(UmbracoExamine.IndexTypes.Content);
IBooleanOperation queryNodes = null;
//only shows results for visible documents.
queryNodes = searchCriteria.GroupedOr(new string[] { "umbracoNaviHide" }, "0", "");
if (documentTypes != null && documentTypes.Length > 0)
{
//only get results for documents of a certain type
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(ExamineManager.Instance.Search(queryNodes.Compile()));;
}
internal ISearchResults TextSearchAllFields(string searchText, bool useWildcards, ISearchCriteria sc)
{
var splitSearch = searchText.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (useWildcards)
{
sc = sc.GroupedOr(GetSearchFields(),
splitSearch.Select(x =>
new ExamineValue(Examineness.ComplexWildcard, x.MultipleCharacterWildcard().Value)).Cast <IExamineValue>().ToArray()
).Compile();
}
else
{
sc = sc.GroupedOr(GetSearchFields(), splitSearch).Compile();
}
return(Search(sc));
}
public static ISearchCriteria BuildQuery(string[] textFields, string searchString, ISearchCriteria criteria)
{
List<SearchTerm> Terms = new List<SearchTerm>();
if ((searchString.Contains(@"""")) && (searchString.Count(t => t == '"') % 2 == 0)) // even number of quotes, more than zero
{
Regex quoteRegex = new Regex(@""".+?"""); // look for any content between quotes
foreach (Match item in quoteRegex.Matches(searchString))
{
Terms.Add(new SearchTerm() { Term = item.Value.Replace('"', ' ').Trim(), TermType = SearchTermType.MultiWord });
searchString = Regex.Replace(searchString, item.Value, string.Empty); // remove them from search string for subsequent parsing
}
}
List<string> singleTerms = new List<string>();
singleTerms = searchString.Split(' ').ToList();
singleTerms.ForEach(t => Terms.Add(new SearchTerm() { Term = t, TermType = SearchTermType.SingleWord }));
foreach (SearchTerm t in Terms)
{
if (!string.IsNullOrEmpty(t.Term))
{
switch (t.TermType)
{
case SearchTermType.SingleWord:
criteria.GroupedOr(textFields,
new IExamineValue[] { Examine.LuceneEngine.SearchCriteria.LuceneSearchExtensions.Fuzzy(t.Term, 0.4F) });
break;
case SearchTermType.MultiWord:
criteria.GroupedOr(textFields,
new IExamineValue[] { Examine.LuceneEngine.SearchCriteria.LuceneSearchExtensions.Escape(t.Term) });
break;
default:
break;
}
}
}
return criteria;
}
public static ISearchCriteria BuildQuery(string searchString, ISearchCriteria criteria, string[] textFields)
{
var terms = searchString.ToSearchTerms();
foreach (var t in terms.Where(t => !string.IsNullOrEmpty(t.Term)))
{
switch (t.SearchTermType)
{
case SearchTermType.SingleWord:
criteria.GroupedOr(
textFields,
new[] { t.Term.Fuzzy() });
break;
case SearchTermType.MultiWord:
criteria.GroupedOr(
textFields,
new[] { t.Term.MultipleCharacterWildcard() });
break;
}
}
return criteria;
}
public static ISearchCriteria BuildQuery(string searchString, ISearchCriteria criteria, string[] textFields)
{
var terms = searchString.ToSearchTerms();
foreach (var t in terms.Where(t => !string.IsNullOrEmpty(t.Term)))
{
switch (t.SearchTermType)
{
case SearchTermType.SingleWord:
criteria.GroupedOr(
textFields,
new[] { t.Term.Fuzzy() });
break;
case SearchTermType.MultiWord:
criteria.GroupedOr(
textFields,
new[] { t.Term.MultipleCharacterWildcard() });
break;
}
}
return(criteria);
}
private static IBooleanOperation GetFilter(string searchTerm, ISearchCriteria criteria)
{
IBooleanOperation result;
// Handle searching for multiple terms
var textFields = new[] { "header", "headerSmall", "manchet", "description", "bodyText1", "bodyText2" };
if (searchTerm.Contains(" "))
{
string[] terms = searchTerm.Split(' ');
result = criteria.GroupedOr(textFields, new[] { LuceneSearchExtensions.MultipleCharacterWildcard(terms[0]) });
for (int i = 1; i < terms.Length; i++)
{
result.Or().GroupedOr(textFields,
new[] { LuceneSearchExtensions.MultipleCharacterWildcard(terms[i]) });
}
}
else
{
result = criteria.GroupedOr(new string[] { "header", "headerSmall", "manchet", "description", "bodyText1", "bodyText2" }, searchTerm.ToLower()).Or().
GroupedOr(new string[] { "header", "headerSmall", "manchet", "description", "bodyText1", "bodyText2" }, searchTerm.ToUpper()).Or().
GroupedOr(new string[] { "header", "headerSmall", "manchet", "description", "bodyText1", "bodyText2" }, searchTerm);
}
return(result);
}
public static IEnumerable <SearchResult> PerformMemberSearch(string filter, IDictionary <string, string> filters, out int totalRecordCount,
string memberType = "",
int pageNumber = 0,
int pageSize = 0,
string orderBy = "",
Direction orderDirection = Direction.Ascending)
{
var internalSearcher = ExamineManager.Instance.SearchProviderCollection[CoreConstants.Examine.InternalMemberSearcher];
ISearchCriteria criteria = internalSearcher.CreateSearchCriteria().RawQuery(" +__IndexType:member");
var basicFields = new List <string>()
{
"id", "_searchEmail", "email", "loginName"
};
var filterParameters = filters.Where(q => !string.IsNullOrWhiteSpace(q.Value));
//build a lucene query
if (string.IsNullOrWhiteSpace(filter) && !filterParameters.Any())
{
// Generic get everything...
criteria.RawQuery("a* b* c* d* e* f* g* h* i* j* k* l* m* n* o* p* q* r* s* t* u* v* w* x* y* z*");
}
else
{
// the __nodeName will be boosted 10x without wildcards
// then __nodeName will be matched normally with wildcards
// the rest will be normal without wildcards
if (!string.IsNullOrWhiteSpace(filter))
{
var sb = new StringBuilder();
sb.Append("+(");
//node name exactly boost x 10
sb.AppendFormat("__nodeName:{0}^10.0 ", filter.ToLower());
//node name normally with wildcards
sb.AppendFormat(" __nodeName:{0}* ", filter.ToLower());
foreach (var field in basicFields)
{
//additional fields normally
sb.AppendFormat("{0}:{1} ", field, filter);
}
sb.Append(")");
criteria.RawQuery(sb.ToString());
}
// Now specific field searching. - these should be ANDed and grouped.
foreach (var qs in filterParameters)
{
string alias = qs.Key;
if (alias == Constants.Members.Groups)
{
// search on list with no commas.
alias = $"_{alias}";
}
else if (alias.StartsWith("f_"))
{
alias = qs.Key.Substring(2);
}
var values = filters[qs.Key].Split(',');
if (values.Length > 0)
{
criteria.GroupedOr(new[] { alias }, values);
}
}
}
//must match index type
if (!string.IsNullOrWhiteSpace(memberType))
{
criteria.NodeTypeAlias(memberType);
}
//// Order the results
//// Examine Sorting seems too unreliable, particularly on nodeName
//if (orderDirection == Direction.Ascending) {
// criteria.OrderBy(orderBy.ToLower() == "name" ? "nodeName" : "email");
//} else {
// criteria.OrderByDescending(orderBy.ToLower() == "name" ? "nodeName" : "email");
//}
var result = internalSearcher.Search(criteria);
totalRecordCount = result.TotalItemCount;
string orderFieldName;
switch (orderBy.ToLower())
{
case "isapproved":
orderFieldName = CoreConstants.Conventions.Member.IsApproved;
break;
case "islockedout":
orderFieldName = CoreConstants.Conventions.Member.IsLockedOut;
break;
case "name":
orderFieldName = "nodeName";
break;
default:
orderFieldName = orderBy;
break;
}
// Order the results
var orderedResults = orderDirection == Direction.Ascending
? result.OrderBy(o => o.Fields[orderFieldName])
: result.OrderByDescending(o => o.Fields[orderFieldName]);
if (pageSize > 0)
{
int skipCount = (pageNumber > 0 && pageSize > 0) ? Convert.ToInt32((pageNumber - 1) * pageSize) : 0;
if (result.TotalItemCount < skipCount)
{
skipCount = result.TotalItemCount / pageSize;
}
return(orderedResults.Skip(skipCount).Take(pageSize));
}
return(orderedResults);
}
internal ISearchResults TextSearchAllFields(string searchText, bool useWildcards, ISearchCriteria sc)
{
var splitSearch = searchText.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (useWildcards)
{
sc = sc.GroupedOr(GetSearchFields(),
splitSearch.Select(x =>
new ExamineValue(Examineness.ComplexWildcard, x.MultipleCharacterWildcard().Value)).Cast<IExamineValue>().ToArray()
).Compile();
}
else
{
sc = sc.GroupedOr(GetSearchFields(), splitSearch).Compile();
}
return Search(sc);
}
public IBooleanOperation GroupedOr(ISearchCriteria criteria, IEnumerable <string> fields, params string[] query)
{
return(criteria.GroupedOr(fields, query));
}
