internal static string JsonBody(this ElasticMultiSearchRequest requestData)
{
string body = string.Empty;
foreach (var searchItem in requestData.MultiIndexSearchItems)
{
body += Newtonsoft.Json.JsonConvert.SerializeObject(searchItem.Index) + System.Environment.NewLine;
body += Newtonsoft.Json.JsonConvert.SerializeObject(searchItem.Query) + System.Environment.NewLine;
}
body += System.Environment.NewLine;
return(body);
}
public ElasticMultiSearchRequest Build()
{
var query = new ElasticMultiSearchRequest();
foreach (var header in FromParts)
{
var item = new ElasticMultiSearchItem();
item.Index = header.Index;
var from = WhereParts.Where(x => x.Index.index == item.Index.index).SingleOrDefault();
if (from != null)
item.Query = new QueryData() { query = new SearchQuery(from.FormatExpression()) };
query.MultiIndexSearchItems.Add(item);
}
return query;
}
public Pager NextPage()
{
if (request.MultiIndexSearchItems.Count == 0)
{
return(null);
}
var pageRequest = new ElasticMultiSearchRequest();
foreach (var rq in request.MultiIndexSearchItems)
{
var matchingResponse = response.Responses
.Where(x => x.HasResults)
.SingleOrDefault(x => x.Hits.Hits.Any(r => r._index == rq.Index.index));
if (matchingResponse == null)
{
continue;
}
if (rq.Query.HasMore(matchingResponse.Hits.Total))
{
var nextPageQuery = rq.Query.NextPage();
var indexQuery = new ElasticMultiSearchItem()
{
Index = new QueryIndex(rq.Index.index),
Query = nextPageQuery,
};
pageRequest.MultiIndexSearchItems.Add(indexQuery);
}
}
if (pageRequest.MultiIndexSearchItems.Count == 0)
{
return(null);
}
return(new Pager(projection, pageRequest));
}
public Pager(ProjectionApi projection, ElasticMultiSearchRequest request)
{
this.projection = projection;
this.request = request;
}
public ElasticSearchReader(ProjectionApi projection, ElasticMultiSearchRequest elasticSearchRequest)
{
this.projection = projection;
this.elasticSearchRequest = elasticSearchRequest;
}
public IEnumerable <SearchableEvent> MultiSearch(ElasticMultiSearchRequest elasticSearchRequest)
{
var reader = new ElasticSearchReader(this, elasticSearchRequest);
return(reader);
}
