Resolve "Die Statistiken sollten auch in ElasticSearch hinterlegt werden."

Related to #384 (closed)

src/main/java/at/ac/uibk/gitsearch/service/gitlab_events/GitlabEventService.java

@@ -9,8 +9,13 @@ import at.ac.uibk.gitsearch.service.vocabulary.VocabularyService.ValidationResul
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.core.JsonFactory;
+import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.JsonToken;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
 import com.networknt.schema.JsonSchema;
 import com.networknt.schema.JsonSchemaFactory;
@@ -42,6 +47,7 @@ import org.codeability.sharing.plugins.api.search.SearchResultDTO;
 import org.codeability.sharing.plugins.api.search.SearchResultDTO.GitProject;
 import org.codeability.sharing.plugins.api.search.SearchResultDTO.MetadataFile;
 import org.codeability.sharing.plugins.api.search.UserProvidedMetadataDTO;
+import org.codeability.sharing.plugins.api.search.UserProvidedMetadataDTO.PublicVisibility;
 import org.gitlab4j.api.GitLabApi;
 import org.gitlab4j.api.GitLabApiException;
 import org.gitlab4j.api.models.Branch;
@@ -165,6 +171,22 @@ public class GitlabEventService {
         }
     }
 
+    public static class PublicVisibilityDeserializer extends JsonDeserializer<PublicVisibility> {
+
+        @Override
+        public PublicVisibility deserialize(JsonParser jsonParser, DeserializationContext deserializationContext)
+                throws IOException {
+            if (jsonParser.currentToken() == JsonToken.VALUE_TRUE) {
+                PublicVisibility publicVisibility = new PublicVisibility();
+                publicVisibility.setExcept(new String[]{});
+                return publicVisibility;
+            }
+            else if (jsonParser.currentToken() == JsonToken.VALUE_FALSE) {
+                return null;
+            }
+            return jsonParser.readValueAs(PublicVisibility.class);
+        }
+    }
     /**
      * just a derived class that does not JSONignore collectionContent,
      *
@@ -187,6 +209,17 @@ public class GitlabEventService {
         public void setCollectionContent(String[] collectionContent) {
             this.collectionContent = collectionContent;
         }
+
+        @JsonDeserialize(using = PublicVisibilityDeserializer.class)
+        @Override
+        public PublicVisibility getPublicVisibility() {
+            return super.getPublicVisibility();
+        }
+
+        @Override
+        public void setPublicVisibility(PublicVisibility publicVisibility) {
+            super.setPublicVisibility(publicVisibility);
+        }
     }
 
     /**