GenotypeRepositoryCustomImpl.java

/*
 * Copyright 2025 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.persistence;

import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import org.genesys.server.model.genesys.Accession;
import org.genesys.server.model.genesys.AccessionId;
import org.genesys.server.model.impl.FaoInstitute;
import org.genesys.server.model.impl.Genotype;
import org.genesys.server.model.impl.QGenotype;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageImpl;
import org.springframework.data.domain.Pageable;
import org.springframework.stereotype.Repository;

import com.querydsl.jpa.impl.JPAQuery;

@Repository
public class GenotypeRepositoryCustomImpl extends AccessionRefRepositoryCustomImpl<FaoInstitute, Genotype> implements GenotypeRepositoryCustom {

	@Override
	protected Class<Genotype> getAccessionRefType() {
		return Genotype.class;
	}

	@Override
	public Page<Genotype> findByList(FaoInstitute list, Pageable page) {
		JPAQuery<Genotype> q = jpaQueryFactory.selectFrom(QGenotype.genotype).where(QGenotype.genotype.list().eq(list));
		long total = jpaQueryFactory.from(QGenotype.genotype).where(QGenotype.genotype.list().eq(list)).select(QGenotype.genotype.id.count()).fetchOne();
		List<Genotype> l = q.orderBy(QGenotype.genotype.accession().seqNo.asc(), QGenotype.genotype.acceNumb.asc()).leftJoin(QGenotype.genotype.accession()).fetchJoin().offset(page.getOffset()).limit(page.getPageSize()).fetch();
		return new PageImpl<>(l, page, total);
	}

	@Override
	public List<AccessionId> findAccessionIdsByList(FaoInstitute list) {
		JPAQuery<AccessionId> q = jpaQueryFactory.select(QGenotype.genotype.accession().accessionId())
				.from(QGenotype.genotype)
				.where(QGenotype.genotype.list().eq(list));

		return q.fetch();
	}

	@Override
	public Map<Long, Long> countByAccessions(Collection<Accession> accessions) {
		var q = jpaQueryFactory
				.select(QGenotype.genotype.accession().id, QGenotype.genotype.id.count())
				.from(QGenotype.genotype)
				.groupBy(QGenotype.genotype.accession())
				.where(QGenotype.genotype.accession().in(accessions));

		return q.stream().collect(Collectors.toMap(
        tuple -> tuple.get(0, Long.class),
        tuple -> tuple.get(1, Long.class)
    ));
	}
}