CountryFilter.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.QCountry.country;

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

import org.genesys.blocks.model.filters.BasicModelFilter;
import org.genesys.blocks.util.CurrentApplicationContext;
import org.genesys.server.model.impl.Country;
import org.genesys.server.model.impl.QCountry;
import org.genesys.server.service.GeoRegionService;

import com.querydsl.core.types.Predicate;

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

/**
 * The filter for {@link Country}
 */
@Getter
@Setter
@EqualsAndHashCode(callSuper = true)
@Accessors(fluent = true)
public class CountryFilter extends BasicModelFilter<CountryFilter, Country> implements IFullTextFilter {

	private static final long serialVersionUID = 2709549285697195920L;

	public static final String[] ES_BOOSTED_FIELDS = { "code3", "name" };

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

	/** The iso 3. */
	public Set<String> code3;

	/** The region codes. */
	public Set<String> region;

	/**
	 * Builds the query.
	 *
	 * @return the predicate
	 */
	public List<Predicate> collectPredicates() {
		return collectPredicates(country);
	}

	/**
	 * Builds the query.
	 *
	 * @param country the country
	 * @return the predicate
	 */
	public List<Predicate> collectPredicates(QCountry country) {
		final List<Predicate> predicates = super.collectPredicates(country);

		if (code3 != null && !code3.isEmpty()) {
			predicates.add(country.code3.in(code3));
		}
		if (region != null && ! region.isEmpty()) {
			predicates.add(country.code3.in(getCountriesInRegions(region)));
		}

		return predicates;
	}

	private Collection<String> getCountriesInRegions(Set<String> regionCodes) {
		GeoRegionService geoRegionService = CurrentApplicationContext.getContext().getBean(GeoRegionService.class);
		return geoRegionService.countryCodesFor(regionCodes);
	}

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

	@Override
	public String[] boostedFields() {
		return ES_BOOSTED_FIELDS;
	}
}