gourmetj-springboot/src/main/java/com/mousetech/gourmetj/persistence/dao/ShopcatRepository.java

package com.mousetech.gourmetj.persistence.dao;

import java.util.List;

import javax.transaction.Transactional;

import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Modifying;
import org.springframework.data.jpa.repository.Query;
import org.springframework.stereotype.Repository;

import com.mousetech.gourmetj.persistence.model.Shopcat;

/**
 * JpaRepository for Shopping Categories, which relate ManyToOne
 * to Ingredient. Service method is @see RecipeService
 * 
 * @author timh
 * @since Dec 28, 2021
 */

@Repository
public interface ShopcatRepository
		extends JpaRepository<Shopcat, Long> {

	final static String SQL_FIND_CATEGORIES =
			"SELECT DISTINCT shopcategory from shopcats"
					+ " where shopcategory is not null and shopcategory <> ''"
					+ " ORDER BY shopcategory ASC";

	@Query(value = SQL_FIND_CATEGORIES, nativeQuery = true)
	public List<String> findDistinctCategoryNative();

	@Transactional
	@Query(value = "UPDATE Shopcat set shopcategory = :newCatname WHERE shopcategory = :oldCatname")
	@Modifying
	public int UpdateShopcats(String oldCatname,
			String newCatname);

	public Shopcat findShopcatByIngkey(String ingkey);

	public void deleteByIngkey(String key);

	public List<Shopcat> findAllByOrderByShopcategoryAsc();

	@Query(value = "SELECT s.ingkey FROM Shopcat s WHERE s.shopcategory = :shopcat ORDER BY s.ingkey")
	public List<String> findByIngkeySorted(String shopcat);

	@Transactional
	@Query(value = "UPDATE Shopcat set shopcategory = :newCat WHERE  ingkey IN :selectedIngkey")
	@Modifying
	public void updateShopcatFor(String newCat, List<String> selectedIngkey);

	@Transactional
	@Query(value = "DELETE Shopcat WHERE  ingkey IN :selectedIngkey")
	@Modifying	public void deleteShopcatFor(List<String> selectedIngkey);
}