public async Task <IActionResult> Query(AdminQueryViewModel model)
{
if (!await _authorizationService.AuthorizeAsync(User, Permissions.ManageIndexes))
{
return(Unauthorized());
}
if (!_luceneIndexProvider.Exists(model.IndexName))
{
return(NotFound());
}
if (String.IsNullOrWhiteSpace(model.Query))
{
return(View(model));
}
var queryParser = new QueryParser(_luceneSettings.GetVersion(), "", _luceneSettings.GetAnalyzer());
var query = queryParser.Parse(model.Query);
_luceneIndexProvider.Search(model.IndexName, searcher =>
{
var docs = searcher.Search(query, 10);
model.Documents = docs.ScoreDocs.Select(hit => searcher.Doc(hit.Doc)).ToList();
});
return(View(model));
}
public async Task <IActionResult> Index(string id, string q, PagerParameters pagerParameters)
{
var siteSettings = await _siteService.GetSiteSettingsAsync();
Pager pager = new Pager(pagerParameters, siteSettings.PageSize);
var indexName = "Search";
if (!String.IsNullOrWhiteSpace(id))
{
indexName = id;
}
if (!_luceneIndexProvider.Exists(indexName))
{
return(NotFound());
}
if (String.IsNullOrWhiteSpace(q))
{
return(View(new SearchIndexViewModel
{
Pager = pager,
IndexName = id,
ContentItems = Enumerable.Empty <ContentItem>()
}));
}
var queryParser = new MultiFieldQueryParser(_luceneSettings.GetVersion(), _luceneSettings.GetSearchFields(), _luceneSettings.GetAnalyzer());
var query = queryParser.Parse(QueryParser.Escape(q));
List <int> contentItemIds = new List <int>();
_luceneIndexProvider.Search(indexName, searcher =>
{
// Fetch one more result than PageSize to generate "More" links
TopScoreDocCollector collector = TopScoreDocCollector.Create(pager.PageSize + 1, true);
searcher.Search(query, collector);
TopDocs hits = collector.TopDocs(pager.GetStartIndex(), pager.PageSize + 1);
foreach (var hit in hits.ScoreDocs)
{
var d = searcher.Doc(hit.Doc, IdSet);
contentItemIds.Add(Convert.ToInt32(d.GetField("ContentItemId").StringValue));
}
});
var contentItems = new List <ContentItem>();
foreach (var contentItemId in contentItemIds.Take(pager.PageSize))
{
var contentItem = await _contentManager.GetAsync(contentItemId);
if (contentItem != null)
{
contentItems.Add(contentItem);
}
}
var model = new SearchIndexViewModel
{
HasMoreResults = contentItemIds.Count > pager.PageSize,
Query = q,
Pager = pager,
IndexName = id,
ContentItems = contentItems
};
return(View(model));
}
