public async Task <EsHlFound <TDoc> > SearchAsync(
string indexName,
SearchParams <TDoc> searchParams,
EsHlSelector <TDoc> highlight, CancellationToken cancellationToken)
{
if (searchParams == null)
{
throw new ArgumentNullException(nameof(searchParams));
}
if (highlight == null)
{
throw new ArgumentNullException(nameof(highlight));
}
if (string.IsNullOrWhiteSpace(indexName))
{
throw new ArgumentException("Value cannot be null or whitespace.", nameof(indexName));
}
var sr = await _cl.SearchAsync(GetSearchFunc(indexName, searchParams, highlight), cancellationToken);
if (!sr.IsValid)
{
throw new EsSearchException <TDoc>(sr);
}
var foundDocs = sr.Hits.Select(h =>
new HighLightedDocument <TDoc>(
h.Source,
h.Highlight
.Values
.FirstOrDefault()?
.FirstOrDefault()
)
);
return(new EsHlFound <TDoc>(foundDocs.ToList(), sr.Total));
}
public Task <EsHlFound <TDoc> > SearchAsync(SearchParams <TDoc> searchParams, EsHlSelector <TDoc> hlSelector, CancellationToken cancellationToken = default)
{
return(_logic.SearchAsync(IndexName, searchParams, hlSelector, cancellationToken));
}
public Task <EsHlFound <TDoc> > SearchAsync(SearchParams <TDoc> searchParams, EsHlSelector <TDoc> hlSelector, CancellationToken cancellationToken = default)
{
if (_indexNameProvider == null)
{
throw new InvalidOperationException("Default index name is not defined");
}
return(SearchAsync(_indexNameProvider.Provide <TDoc>(), searchParams, hlSelector, cancellationToken));
}
Func <SearchDescriptor <TDoc>, ISearchRequest> GetSearchFunc(string indexName, SearchParams <TDoc> searchParams, EsHlSelector <TDoc> highlight = null)
{
return(sd =>
{
var s = sd.Index(indexName).Query(searchParams.Query);
if (searchParams.Sort != null)
{
s = s.Sort(searchParams.Sort);
}
if (searchParams.Page != null)
{
s = s.From(searchParams.Page.From).Size(searchParams.Page.Size);
}
if (highlight != null)
{
s = s.Highlight(d => highlight(d));
}
return s;
});
}
