/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
    *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.syncope.core.persistence.jpa.dao;
  
  import java.util.List;
  import javax.persistence.TypedQuery;
  import org.apache.commons.lang3.StringUtils;
  import org.apache.syncope.core.persistence.api.dao.FIQLQueryDAO;
  import org.apache.syncope.core.persistence.api.entity.FIQLQuery;
  import org.apache.syncope.core.persistence.api.entity.user.User;
  import org.apache.syncope.core.persistence.jpa.entity.JPAFIQLQuery;
  
  public class JPAFIQLQueryDAO extends AbstractDAO<FIQLQuery> implements FIQLQueryDAO {
  
      @Override
      public FIQLQuery find(final String key) {
          return entityManager().find(JPAFIQLQuery.class, key);
      }
  
      @Override
      public List<FIQLQuery> findByOwner(final User user, final String target) {
          StringBuilder queryString = new StringBuilder("SELECT e FROM ").
                  append(JPAFIQLQuery.class.getSimpleName()).append(" e WHERE e.owner=:user");
          if (StringUtils.isNotBlank(target)) {
              queryString.append(" AND e.target=:target");
          }
  
          TypedQuery<FIQLQuery> query = entityManager().createQuery(queryString.toString(), FIQLQuery.class);
          query.setParameter("user", user);
          if (StringUtils.isNotBlank(target)) {
              query.setParameter("target", target);
          }
  
          return query.getResultList();
      }
  
      @Override
      public List<FIQLQuery> findAll() {
          TypedQuery<FIQLQuery> query = entityManager().createQuery(
                  "SELECT e FROM " + JPAFIQLQuery.class.getSimpleName() + " e ", FIQLQuery.class);
          return query.getResultList();
      }
  
      @Override
      public FIQLQuery save(final FIQLQuery fiqlQuery) {
          return entityManager().merge(fiqlQuery);
      }
  
      @Override
      public void delete(final FIQLQuery fiqlQuery) {
          entityManager().remove(fiqlQuery);
      }
  
      @Override
      public void delete(final String key) {
          FIQLQuery fiqlQuery = find(key);
          if (fiqlQuery == null) {
              return;
          }
  
          delete(fiqlQuery);
      }
  }