MenuItemServiceImpl.java

/*
 * Copyright 2024 Global Crop Diversity Trust
 *
 * Licensed 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.genesys.server.service.impl;

import org.apache.commons.lang3.StringUtils;
import org.genesys.server.model.impl.Menu;
import org.genesys.server.model.impl.MenuItem;
import org.genesys.server.model.impl.MenuItemLang;
import org.genesys.server.persistence.MenuItemLangRepository;
import org.genesys.server.persistence.MenuItemRepository;
import org.genesys.server.persistence.MenuRepository;
import org.genesys.server.service.MenuItemService;
import org.genesys.server.service.MenuItemTranslationService;
import org.genesys.server.service.TranslatorService;
import org.genesys.server.service.filter.MenuItemFilter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.validation.annotation.Validated;

@Service
@Transactional(readOnly = true)
@Validated
public class MenuItemServiceImpl
	extends FilteredTranslatedCRUDServiceImpl<MenuItem, MenuItemLang, MenuItemTranslationService.TranslatedMenuItem, MenuItemFilter, MenuItemRepository>
	implements MenuItemService {

	@Autowired
	private MenuRepository menuRepository;

	@Component(value = "MenuItemTranslationSupport")
	protected static class MenuItemTranslationSupport
		extends BaseTranslationSupport<MenuItem, MenuItemLang, MenuItemTranslationService.TranslatedMenuItem, MenuItemFilter, MenuItemLangRepository>
		implements MenuItemTranslationService {

		@Override
		@PreAuthorize("hasRole('ADMINISTRATOR') or hasRole('CONTENTMANAGER')")
		public MenuItemLang create(MenuItemLang source) {
			return super.create(source);
		}

		@Override
		@PreAuthorize("hasRole('ADMINISTRATOR') or hasRole('CONTENTMANAGER')")
		public MenuItemLang update(MenuItemLang updated, MenuItemLang target) {
			return super.update(updated, target);
		}

		@Override
		@PreAuthorize("hasRole('ADMINISTRATOR') or hasRole('CONTENTMANAGER')")
		public MenuItemLang remove(MenuItemLang entity) {
			return super.remove(entity);
		}
	}

	/**
	 * Ensure the CMS menu item exists in the menu
	 *
	 * @return
	 */
	@Override
	@Transactional
	@PreAuthorize("hasRole('ADMINISTRATOR') or hasRole('CONTENTMANAGER')")
	@CacheEvict(value = "contentcache", allEntries = true)
	public MenuItem ensureMenuItem(String menuKey, MenuItem source) {
		Menu menu = menuRepository.findByKey(menuKey);

		if (menu == null) {
			// Create instance
			menu = new Menu();
			menu.setKey(menuKey);
			menu = menuRepository.save(menu);
		}

		for (MenuItem item : menu.getItems()) {
			if (StringUtils.equals(item.getUrl(), source.getUrl())) {
				LOG.debug("Found menu item with URL {}", source.getUrl());
				return item;
			}
		}

		LOG.info("Creating menu item with URL {}", source.getUrl());
		MenuItem item = new MenuItem();
		item.setMenu(menu);
		item.setUrl(source.getUrl());
		item.setText(source.getText());
		item.setOrderIndex(source.getOrderIndex());
		item.setTarget(source.getTarget());
		item.setTitle(source.getTitle());
		item.setActive(source.isActive());
		item.setOriginalLanguageTag(source.getOriginalLanguageTag());

		menu.getItems().add(item);
		return repository.save(item);
	}

	@Override
	public Menu getMenu(String key) {
		var menu = menuRepository.findByKey(key);
		if (menu != null) {
			menu.getItems().size();
		}
		return menu;
	}

	@Override
	@Transactional
	@PreAuthorize("hasRole('ADMINISTRATOR') or hasRole('CONTENTMANAGER')")
	@CacheEvict(value = "contentcache", allEntries = true)
	public MenuItem remove(MenuItem menuItem) {
		final MenuItem loaded = get(menuItem.getId());
		repository.delete(loaded);

		final Menu menu = loaded.getMenu();
		if (menu != null && !repository.existsMenuItemsByMenu(menu)) {
			LOG.info("Deleting CMS menu {}", menu.getKey());
			menuRepository.delete(menu);
		}
		return loaded;
	}

	@Override
	public MenuItemLang machineTranslate(MenuItem original, String targetLanguage) throws TranslatorService.TranslatorException {
		// TODO
		return new MenuItemLang(original, targetLanguage, null, null);
	}

	@Override
	@Transactional
	@PreAuthorize("hasRole('ADMINISTRATOR') or hasRole('CONTENTMANAGER')")
	@CacheEvict(value = "contentcache", allEntries = true)
	public MenuItem create(MenuItem source) {
		return _lazyLoad(createFast(source));
	}

	@Override
	@Transactional
	@PreAuthorize("hasRole('ADMINISTRATOR') or hasRole('CONTENTMANAGER')")
	@CacheEvict(value = "contentcache", allEntries = true)
	public MenuItem createFast(MenuItem source) {
		MenuItem menuItem = new MenuItem();
		menuItem.apply(source);
		var menu = source.getMenu();
		if (menu == null) {
			throw new IllegalArgumentException("MenuItem must have menu");
		}
		menuItem.setMenu(menuRepository.getReferenceById(menu.getId()));
		return repository.save(menuItem);
	}

	@Override
	@Transactional
	@PreAuthorize("hasRole('ADMINISTRATOR') or hasRole('CONTENTMANAGER')")
	@CacheEvict(value = "contentcache", allEntries = true)
	public MenuItem update(MenuItem updated, MenuItem target) {
		return updateFast(updated, target);
	}

	@Override
	@Transactional
	@PreAuthorize("hasRole('ADMINISTRATOR') or hasRole('CONTENTMANAGER')")
	@CacheEvict(value = "contentcache", allEntries = true)
	public MenuItem updateFast(MenuItem updated, MenuItem target) {
		target.apply(updated);
		return repository.save(target);
	}
}