Review PreservationAgentController and PreservationAgentService

Author: hmiguim

roda-ui/roda-wui/src/main/java/org/roda/wui/api/v2/controller/PreservationAgentController.java

@@ -105,7 +105,7 @@ public ResponseEntity<StreamingResponseBody> downloadPreservationAgent(
       public ResponseEntity<StreamingResponseBody> process(RequestContext requestContext,
         RequestControllerAssistant controllerAssistant) throws RODAException, RESTException {
         controllerAssistant.setRelatedObjectId(id);
-        StreamResponse response = preservationAgentService.retrievePreservationAgentFile(id);
+        StreamResponse response = preservationAgentService.retrievePreservationAgentFile(requestContext.getModelService(), id);
 
         return ApiUtils.okResponse(response);
       }

roda-ui/roda-wui/src/main/java/org/roda/wui/api/v2/services/PreservationAgentService.java

@@ -1,6 +1,5 @@
 package org.roda.wui.api.v2.services;
 
-import org.roda.core.RodaCoreFactory;
 import org.roda.core.data.common.RodaConstants;
 import org.roda.core.data.exceptions.AuthorizationDeniedException;
 import org.roda.core.data.exceptions.GenericException;
@@ -19,11 +18,9 @@
 @Service
 public class PreservationAgentService {
 
-  public StreamResponse retrievePreservationAgentFile(String id)
+  public StreamResponse retrievePreservationAgentFile(ModelService model, String id)
     throws GenericException, RequestNotValidException, NotFoundException, AuthorizationDeniedException {
 
-    ModelService model = RodaCoreFactory.getModelService();
-
     final Binary binary = model.retrievePreservationAgent(id);
 
     final ConsumesOutputStream stream = new BinaryConsumesOutputStream(binary,