Done ticket GEPAFINBE-231

src/main/java/net/gepafin/tendermanagement/service/impl/ApplicationServiceImpl.java

@@ -176,4 +176,10 @@ public class ApplicationServiceImpl implements ApplicationService {
         UserEntity userEntity = validator.validateUser(request);
         return applicationDao.readmitApplication(request, applicationId);
     }
+
+    @Override
+    public byte[] downloadRankingCsv(HttpServletRequest request, Long callId) {
+        UserEntity userEntity = validator.validateUser(request);
+        return applicationDao.downloadRankingCsv(callId);
+    }
 }