de.sainth.recipe.backend.db.repositories.FoodRepository.java Source code

Introduction

Here is the source code for de.sainth.recipe.backend.db.repositories.FoodRepository.java

Source

/*
 * Copyright (c) 2017 sainth (sainth@sainth.de)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
 */

package de.sainth.recipe.backend.db.repositories;

import de.sainth.recipe.backend.db.generated.tables.records.FoodsRecord;
import de.sainth.recipe.backend.rest.views.Food;
import org.jooq.DSLContext;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.List;
import java.util.concurrent.atomic.AtomicReference;
import java.util.stream.Collectors;

import static de.sainth.recipe.backend.db.generated.tables.Foods.FOODS;
import static org.jooq.impl.DSL.using;

@Component
public class FoodRepository {
    private final DSLContext create;

    @Autowired
    public FoodRepository(DSLContext create) {
        this.create = create;
    }

    public List<Food> findAll() {
        return create
                .selectFrom(FOODS).fetch().stream().map(record -> new Food(record.getId(), record.getName(),
                        record.getPoints(), record.getPointsBaseAmount(), record.getBasicUnit()))
                .collect(Collectors.toList());
    }

    public Food findOne(Long id) {
        return create.select(FOODS.ID, FOODS.NAME, FOODS.POINTS, FOODS.POINTS_BASE_AMOUNT, FOODS.BASIC_UNIT)
                .from(FOODS).where(FOODS.ID.eq(id)).fetchOneInto(Food.class);
    }

    public void delete(Long id) {
        create.delete(FOODS).where(FOODS.ID.eq(id)).execute();
    }

    public void deleteAll() {
        create.deleteFrom(FOODS).execute();
    }

    public Food save(Food food) {
        AtomicReference<Food> bu = new AtomicReference<>();
        create.transaction(configuration -> {
            Long id = using(configuration).select(FOODS.ID).from(FOODS).where(FOODS.NAME.eq(food.getName()))
                    .forUpdate().fetchOneInto(Long.class);
            FoodsRecord record;
            if (id == null) {
                record = using(configuration)
                        .insertInto(FOODS, FOODS.NAME, FOODS.POINTS, FOODS.POINTS_BASE_AMOUNT, FOODS.BASIC_UNIT)
                        .values(food.getName(), food.getPoints(), food.getPointsBaseAmount(), food.getBasicUnit())
                        .returning().fetchOne();
            } else {
                record = using(configuration).update(FOODS).set(FOODS.NAME, food.getName())
                        .set(FOODS.POINTS, food.getPoints())
                        .set(FOODS.POINTS_BASE_AMOUNT, food.getPointsBaseAmount())
                        .set(FOODS.BASIC_UNIT, food.getBasicUnit()).where(FOODS.ID.eq(id)).returning().fetchOne();
            }
            bu.set(new Food(record.getId(), record.getName(), record.getPoints(), record.getPointsBaseAmount(),
                    record.getBasicUnit()));
        });

        return bu.get();
    }
}