ArticleFilter.java

/*
 * Copyright 2018 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.filter;

import static org.genesys.server.model.impl.QArticle.article;

import java.util.List;
import java.util.Set;

import org.apache.commons.collections4.CollectionUtils;
import org.genesys.blocks.model.filters.AuditedVersionedModelFilter;
import org.genesys.blocks.model.filters.StringFilter;
import org.genesys.server.model.impl.Article;
import org.genesys.server.model.impl.QArticle;

import com.querydsl.core.types.Predicate;

import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.Setter;
import lombok.experimental.Accessors;

/**
 * Filters for {@link Article}
 */
@Getter
@Setter
@EqualsAndHashCode(callSuper = true)
@Accessors(fluent = true)
public class ArticleFilter extends AuditedVersionedModelFilter<ArticleFilter, Article> implements IFullTextFilter {

	private static final long serialVersionUID = 7789481885424249762L;

	/** Any text. */
	public String _text;

	/** The slug. */
	public Set<String> slug;

	/** The original language. */
	public Set<String> originalLanguageTag;

	/** The title. */
	public StringFilter title;

	/** The template. */
	public Boolean template;

	@Override
	public List<Predicate> collectPredicates() {
		return collectPredicates(article);
	}

	/**
	 * Builds the query.
	 *
	 * @return the predicate
	 */
	public List<Predicate> collectPredicates(QArticle article) {
		final List<Predicate> predicates = super.collectPredicates(article, article._super._super);

		if (CollectionUtils.isNotEmpty(slug)) {
			predicates.add(article.slug.in(slug).or(article.classPk().shortName.in(slug)));
		}
		if (CollectionUtils.isNotEmpty(originalLanguageTag)) {
			predicates.add(article.originalLanguageTag.in(originalLanguageTag));
		}
		if (title != null) {
			predicates.add(title.buildQuery(article.title));
		}
		if (template != null) {
			predicates.add(article.template.eq(template));
		}

		return predicates;
	}

	@Override
	public String get_text() {
		return this._text;
	}
}