DatabaseFilePersistenceCustomImpl.java

/*
 * Copyright 2022 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.filerepository.persistence;

import com.querydsl.core.types.dsl.BooleanExpression;
import com.querydsl.jpa.impl.JPAQueryFactory;

import org.genesys.filerepository.model.DatabaseFile;
import org.genesys.filerepository.model.QDatabaseFile;
import org.springframework.beans.factory.annotation.Autowired;

import java.nio.file.Path;
import java.util.List;

/**
 * Custom repository for querying {@link DatabaseFile}.
 */
public class DatabaseFilePersistenceCustomImpl implements DatabaseFilePersistenceCustom {

	@Autowired
	private JPAQueryFactory jpaQueryFactory;

	/**
	 * {@inheritDoc}
	 */
	@Override
	public List<String> findFilesByFolderPath(Path folderPath) {
		BooleanExpression expression = QDatabaseFile.databaseFile.path.startsWith(folderPath.toString())
			.and(QDatabaseFile.databaseFile.path.notLike(folderPath.toString().concat("/%/%")));
		
		return jpaQueryFactory.select(QDatabaseFile.databaseFile.path).from(QDatabaseFile.databaseFile).where(expression).fetch();
	}
}