public static async Task CreateIndex(string baseIndexPath, Func<IDocumentationService> serviceFactory)
{
using (var service = serviceFactory())
{
var analyzer = new NuDocAnalyzer();
foreach (var proj in await service.GetProjects())
{
var dirPath = IO.Path.Combine(baseIndexPath, proj.Name);
if (proj.Indexed && IO.Directory.Exists(dirPath))
continue;
var directory = FSDirectory.Open(IO.Path.Combine(baseIndexPath, proj.Name));
var writer = new IndexWriter(directory, analyzer, true, IndexWriter.MaxFieldLength.UNLIMITED);
foreach (var asm in await service.GetAssemblies(proj))
{
writer.AddDocument(CreateDocument(asm));
foreach (var ns in await service.GetNamespaces(asm))
{
writer.AddDocument(CreateDocument(ns));
foreach (var type in await service.GetTypes(ns))
{
writer.AddDocument(CreateDocument(type));
foreach (var member in await service.GetMembers(type))
{
writer.AddDocument(CreateDocument(member));
}
}
}
}
#if !DEBUG
proj.Indexed = true;
#endif
await service.UpdateProject(proj);
writer.Optimize();
writer.Dispose();
}
}
}
public static IEnumerable<string> Search(string path, string query)
{
if (!IO.Directory.Exists(path))
throw new IO.DirectoryNotFoundException("Directory not found");
var analyzer = new NuDocAnalyzer();
var directory = FSDirectory.Open(path);
var searcher = new IndexSearcher(directory);
QueryParser title = new QueryParser(Lucene.Net.Util.Version.LUCENE_30, "Title", analyzer);
QueryParser summary = new QueryParser(Lucene.Net.Util.Version.LUCENE_30, "Summary", analyzer);
QueryParser details = new QueryParser(Lucene.Net.Util.Version.LUCENE_30, "Details", analyzer);
title.FuzzyMinSim = 0.5f;
title.FuzzyPrefixLength = 1;
var tt = title.Parse(query);
var tq = title.Parse(query + "*");
var sq = summary.Parse(query);
var dq = details.Parse(query);
dq.Boost = 0.5f;
BooleanQuery bq = new BooleanQuery();
bq.Add(tq, Occur.SHOULD);
bq.Add(sq, Occur.SHOULD);
bq.Add(dq, Occur.SHOULD);
var hits = searcher.Search(tt, 15).ScoreDocs.Select(d => d.Doc)
.Union(searcher.Search(bq, 15).ScoreDocs.Select(d => d.Doc))
.Distinct()
.Take(15);
foreach (var doc in hits)
{
Document d = searcher.Doc(doc);
yield return d.GetField("Id").StringValue;
}
}
