/*
    * 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.logging.log4j.catalog.jpa.service;
  
  import java.util.List;
  import java.util.Optional;
  
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.Logger;
  import org.apache.logging.log4j.catalog.jpa.dao.CategoryRepository;
  import org.apache.logging.log4j.catalog.jpa.model.CategoryModel;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.data.domain.Page;
  import org.springframework.data.domain.Pageable;
  import org.springframework.stereotype.Repository;
  import org.springframework.stereotype.Service;
  import org.springframework.transaction.annotation.Transactional;
  
  @Service
  @Repository
  @Transactional
  public class CategoryServiceImpl extends AbstractPagingAndSortingService implements CategoryService {
      private static final Logger LOGGER = LogManager.getLogger();
  
      @Autowired
      private CategoryRepository categoryRepository;
  
      @Override
      public List<CategoryModel> getCategories() {
          return categoryRepository.findAll();
      }
  
      @Override
      public List<CategoryModel> getCategories(String catalogId) {
          return categoryRepository.findByCatalogId(catalogId);
      }
  
      @Override
      public List<CategoryModel> getCategories(int startPage, int itemsPerPage, String sortColumn, String direction) {
          Pageable pageable = createPageRequest(startPage, itemsPerPage, sortColumn, direction);
          Page<CategoryModel> page = categoryRepository.findAll(pageable);
          return page.getContent();
      }
  
      @Override
      public List<CategoryModel> getCategories(String catalogId, int startPage, int itemsPerPage, String sortColumn,
                                               String direction) {
          Pageable pageable = createPageRequest(startPage, itemsPerPage, sortColumn, direction);
          Page<CategoryModel> page = categoryRepository.findByCatalogId(catalogId, pageable);
          return page.getContent();
      }
  
      @Override
      public Optional<CategoryModel> getCategory(Long categoryId) {
          return categoryRepository.findOne(categoryId);
      }
  
      @Override
      public Optional<CategoryModel> getCategory(String catalogId, String name) {
          return categoryRepository.findByCatalogIdAndName(catalogId, name);
      }
  
      @Override
      public CategoryModel saveCategory(CategoryModel category) {
          return categoryRepository.save(category);
      }
  
      @Override
      public void deleteCategory(Long categoryId) {
          categoryRepository.deleteById(categoryId);
      }
  }