public static SearchResults Query(HttpContext ctx, string query, int page = 1)
{
if (string.IsNullOrWhiteSpace(query))
{
return(new SearchResults {
Documents = new SearchResult[0],
TotalCount = 0
});
}
var indexPath = ctx.Server.MapPath("~/App_Data/Index");
var indexSearcher = new DirectoryIndexSearcher(new DirectoryInfo(indexPath));
using (var searchService = new SearchService(indexSearcher)) {
var parser = new MultiFieldQueryParser(
Lucene.Net.Util.Version.LUCENE_29,
new[] { "Text" },
new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_29));
Query multiQuery = parser.Parse(query);
var result = searchService.SearchIndex(multiQuery);
return(new SearchResults {
Documents = result.Results
.Skip(PageSize * (page - 1))
.Take(PageSize)
.Select(d => new SearchResult {
Url = d.Get("Url"),
Title = d.Get("Title"),
Summary = d.Get("Summary")
}),
TotalCount = result.Results.Count()
});
}
}
public IEnumerable <T> Search(DefaultQuery query)
{
var indexSearcher = new DirectoryIndexSearcher(this.fsiLocation.GetDirectory());
using (var searchService = new SearchService(indexSearcher))
{
var result = searchService.SearchIndex(query.Query, this.GetResultDefinition());
return(result.Results);
}
}
public static IEnumerable<Page> Find(String searchText)
{
if (!Directory.Exists(IndexDirectoryPath))
{
return new List<Page>();
}
DirectoryIndexSearcher indexSearcher = new DirectoryIndexSearcher(IndexDirectoryInfo);
using (SearchService searchService = new SearchService(indexSearcher))
{
QueryBase query = new PageQuery().WithKeywords(searchText);
SearchResult<Page> result = searchService.
SearchIndex(query.Query,
new PageResultDefinition());
return result.Results;
}
}
public ActionResult Search(string searchText, bool?orderByDate)
{
string IndexPath = Server.MapPath("~/Index");
var indexSearcher = new DirectoryIndexSearcher(new DirectoryInfo(IndexPath), true);
using (var searchService = new SearchService(indexSearcher))
{
var query = new OfferQuery().WithKeywords(searchText);
var result = searchService.SearchIndex <Offers>(query.Query, new OfferResultDefinition());
if (orderByDate.HasValue)
{
return(View(result.Results.OrderBy(x => x.DateAndTime).ToList()));
}
return(View("Search", result.Results.ToList()));
}
}
public LuceneSearcher(string indexPath)
{
var searcher = new DirectoryIndexSearcher(new DirectoryInfo(indexPath));
this.searchService = new SearchService(searcher);
}
