ActivityPostFilter.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.QActivityPost.activityPost;

import java.time.Instant;
import java.util.List;

import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.StringUtils;
import org.genesys.blocks.model.filters.AuditedVersionedModelFilter;
import org.genesys.blocks.model.filters.TemporalFilter;
import org.genesys.server.model.filters.FilterHelpers;
import org.genesys.server.model.impl.ActivityPost;
import org.genesys.server.model.impl.QActivityPost;

import com.querydsl.core.types.ExpressionUtils;
import com.querydsl.core.types.Predicate;

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

/**
 * Filters for {@link ActivityPost}.
 *
 * @author Maxym Borodenko
 */
@Getter
@Setter
@EqualsAndHashCode(callSuper = true)
@Accessors(fluent = true)
public class ActivityPostFilter extends AuditedVersionedModelFilter<ActivityPostFilter, ActivityPost> {

	private static final long serialVersionUID = -1246756715587196499L;

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

	/** Publish date. */
	public TemporalFilter<Instant> publishDate;

	/** Expiration date. */
	public TemporalFilter<Instant> expirationDate;

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

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

		if (StringUtils.isNotBlank(_text)) {
			/*@formatter:off*/
			predicates.add(ExpressionUtils.anyOf(
				ArrayUtils.addAll(
					FilterHelpers.equalsAny(_text, activityPost.title, activityPost.body),
					FilterHelpers.containsAll(_text, activityPost.title, activityPost.body)
				)
			));
			/*@formatter:on*/
		}

		if (publishDate != null) {
			predicates.add(publishDate.buildQuery(activityPost.publishDate));
		}
		if (expirationDate != null) {
			predicates.add(expirationDate.buildQuery(activityPost.expirationDate));
		}

		return predicates;
	}
}