public Task <IEnumerable <SearchDocument> > SearchAsync(string term, CancellationToken cancellationToken = default)
{
var list = new List <SearchDocument>();
if (!string.IsNullOrEmpty(term))
{
// create index writer
using var dir = FSDirectory.Open(_indexPath);
var indexConfig = new IndexWriterConfig(AppLuceneVersion, _analyzer);
// Create an index writer
using var writer = new IndexWriter(dir, indexConfig);
// get reader
using var reader = writer.GetReader(applyAllDeletes: true);
var searcher = new IndexSearcher(reader);
// Search with query
var parser = new MultiFieldQueryParser(AppLuceneVersion, new[] { "field1", "field2" },
_analyzer);
//var query = parser.GetFuzzyQuery("fieldName", "featured", 0.7f);
// var query = new TermQuery(new Term("content", term));
var query = parser.CreatePhraseQuery("content", term);
// get hits
var hits = searcher.Search(query, 50).ScoreDocs;
foreach (var hit in hits)
{
var doc = searcher.Doc(hit.Doc);
list.Add(Convert(doc));
}
}
return(Task.FromResult((IEnumerable <SearchDocument>)list));
}