public async Task <List <DocumentModel> > MultiSearch(IndexModel indexModel, MultiSearchModel searchModel)
{
var results = new List <List <DocumentModel> >();
foreach (var search in searchModel.Searches)
{
SetSearcher(search.Type);
results.Add(await _searcher.ExecuteSearch(indexModel, search));
}
List <DocumentModel> searchResult;
switch (searchModel.QueryType)
{
case QueryType.Or:
searchResult = CollectionsHelper.Union(new DocumentComparer(), results.ToArray()).ToList();
break;
case QueryType.And:
searchResult = CollectionsHelper.Intersect(new DocumentComparer(), results.ToArray()).ToList();
break;
default:
throw new ArgumentOutOfRangeException();
}
return(GetSorted(searchModel, searchResult));
}
