feat(ElasticsearchService): add parameter to count total hits by default on search method

solidify-index/src/main/java/ch/unige/solidify/index/indexing/elasticsearch/ElasticsearchService.java

@@ -276,10 +276,15 @@ public abstract class ElasticsearchService<T extends IndexMetadata> extends Inde
   @Override
   public FacetPage<T> search(String indexName, List<SearchCondition> conditions, List<FacetRequest> facetRequests,
           Pageable pageable, FieldsRequest fieldsRequest) {
+    return this.search(indexName, conditions, facetRequests, pageable, fieldsRequest, true);
+  }
+
+  public FacetPage<T> search(String indexName, List<SearchCondition> conditions, List<FacetRequest> facetRequests,
+          Pageable pageable, FieldsRequest fieldsRequest, boolean trackTotalHits) {
 
     final BoolQueryBuilder boolQuery = this.getBooleanQueryBuilder(conditions);
 
-    return this.search(indexName, boolQuery, facetRequests, pageable, fieldsRequest);
+    return this.search(indexName, boolQuery, facetRequests, pageable, fieldsRequest, trackTotalHits);
   }
 
   @Override
@@ -489,11 +494,11 @@ public abstract class ElasticsearchService<T extends IndexMetadata> extends Inde
   }
 
   private FacetPage<T> search(String indexName, AbstractQueryBuilder<?> q, List<FacetRequest> facetRequests, Pageable pageable) {
-    return this.search(indexName, q, facetRequests, pageable, null);
+    return this.search(indexName, q, facetRequests, pageable, null, true);
   }
 
   private FacetPage<T> search(String indexName, AbstractQueryBuilder<?> q, List<FacetRequest> facetRequests, Pageable pageable,
-          FieldsRequest fieldsRequest) {
+          FieldsRequest fieldsRequest, boolean trackTotalHits) {
 
     final SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder().query(q);
 
@@ -504,6 +509,9 @@ public abstract class ElasticsearchService<T extends IndexMetadata> extends Inde
       searchSourceBuilder.fetchSource(includes, excludes);
     }
 
+    // Parameter indicating wether the total number of records must be counted
+    searchSourceBuilder.trackTotalHits(trackTotalHits);
+
     final SearchRequest searchRequest = new SearchRequest(indexName.split(SolidifyConstants.FIELD_SEP)).source(searchSourceBuilder);
 
     // Aggregations