Add search credits

server/src/main/java/au/org/aodn/ogcapi/server/core/model/enumeration/CQLFields.java

@@ -176,6 +176,16 @@ public enum CQLFields implements CQLFieldsInterface {
             )._toQuery(),
             null
     ),
+    credit_contains(
+            StacSummeries.Credits.searchField,
+            StacSummeries.Credits.displayField,
+            (literal) -> MatchQuery.of(m -> m
+                    // We want the words exact so need to add space in front and end
+                    .field(StacSummeries.Credits.searchField)
+                    .query(literal)
+            )._toQuery(),
+            null
+    ),
     status(
             StacSummeries.Status.searchField,
             StacSummeries.Status.displayField,

server/src/main/java/au/org/aodn/ogcapi/server/core/model/enumeration/StacSummeries.java

@@ -13,7 +13,8 @@ public enum StacSummeries {
     DatasetProvider("summaries.dataset_provider", "summaries.dataset_provider"),
     DatasetGroup("summaries.dataset_group", "summaries.dataset_group"),
     Status("summaries.status", "summaries.status"),
-    Statement("summaries.statement", "summaries.statement")
+    Statement("summaries.statement", "summaries.statement"),
+    Credits("summaries.credits", "summaries.credits")
     ;
 
     public final String sortField;

server/src/main/java/au/org/aodn/ogcapi/server/core/service/ElasticSearch.java

@@ -263,6 +263,7 @@ public ElasticSearchBase.SearchResult<StacCollectionModel> searchByParameters(Li
                     // acronym moved to links, for example NRMN record is mentioned in the link title.
                     // This is a work-around to the requirement but still allow use of NRMN
                     should.add(CQLFields.links_title_contains.getPropertyEqualToQuery(t));
+                    should.add(CQLFields.credit_contains.getPropertyEqualToQuery(t));
                 }
             }