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| 1 | +package com.isystk.sample.domain.repository; |
| 2 | + |
| 3 | +import static java.util.stream.Collectors.toList; |
| 4 | + |
| 5 | +import com.isystk.sample.common.service.BaseRepository; |
| 6 | +import com.isystk.sample.common.util.DateUtils; |
| 7 | +import com.isystk.sample.common.util.ObjectMapperUtils; |
| 8 | +import com.isystk.sample.domain.dao.CartDao; |
| 9 | +import com.isystk.sample.domain.dao.StockDao; |
| 10 | +import com.isystk.sample.domain.dto.CartCriteria; |
| 11 | +import com.isystk.sample.domain.dto.CartRepositoryDto; |
| 12 | +import com.isystk.sample.domain.dto.StockCriteria; |
| 13 | +import com.isystk.sample.domain.entity.Cart; |
| 14 | +import com.isystk.sample.domain.entity.Stock; |
| 15 | +import java.math.BigInteger; |
| 16 | +import java.util.List; |
| 17 | +import java.util.Map; |
| 18 | +import java.util.stream.Collectors; |
| 19 | +import lombok.val; |
| 20 | +import org.springframework.beans.factory.annotation.Autowired; |
| 21 | +import org.springframework.stereotype.Repository; |
| 22 | + |
| 23 | +/** |
| 24 | + * マイカートリポジトリ |
| 25 | + */ |
| 26 | +@Repository |
| 27 | +public class CartRepository extends BaseRepository { |
| 28 | + |
| 29 | + @Autowired |
| 30 | + StockDao stockDao; |
| 31 | + |
| 32 | + @Autowired |
| 33 | + CartDao cartDao; |
| 34 | + |
| 35 | + /** |
| 36 | + * ユーザに紐づくカート情報を複数取得します。 |
| 37 | + * |
| 38 | + * @param userId |
| 39 | + * @return |
| 40 | + */ |
| 41 | + public List<CartRepositoryDto> findCart(BigInteger userId) { |
| 42 | + CartCriteria criteria = new CartCriteria(); |
| 43 | + criteria.setUserIdEq(userId); |
| 44 | + return convertCartDto(cartDao.findAll(criteria)); |
| 45 | + } |
| 46 | + |
| 47 | + /** |
| 48 | + * RepositoryDto に変換します。 |
| 49 | + * |
| 50 | + * @param cartList |
| 51 | + * @return |
| 52 | + */ |
| 53 | + private List<CartRepositoryDto> convertCartDto(List<Cart> cartList) { |
| 54 | + // cartListからstockIdのListを抽出 |
| 55 | + List<BigInteger> stockIdList = cartList.stream().map(e -> e.getStockId()) |
| 56 | + .collect(Collectors.toList()); |
| 57 | + |
| 58 | + // stockId をkeyとした、stockListのMapを生成 |
| 59 | + StockCriteria stockCriteria = new StockCriteria(); |
| 60 | + stockCriteria.setIdIn(stockIdList); |
| 61 | + Map<BigInteger, List<Stock>> stockMap = stockDao.findAll(stockCriteria) |
| 62 | + .stream().collect(Collectors.groupingBy(Stock::getId)); |
| 63 | + |
| 64 | + // cartList を元に、cartDtoList へコピー |
| 65 | + var cartDtoList = ObjectMapperUtils.mapAll(cartList, CartRepositoryDto.class) |
| 66 | + .stream().map((e) -> { |
| 67 | + e.setStock(stockMap.get(e.getStockId()).get(0)); |
| 68 | + return e; |
| 69 | + }).collect(toList()); |
| 70 | + return cartDtoList; |
| 71 | + } |
| 72 | + |
| 73 | + /** |
| 74 | + * ユーザに紐づくカートに商品を追加します。 |
| 75 | + * |
| 76 | + * @param userId |
| 77 | + * @param stockId |
| 78 | + * @return |
| 79 | + */ |
| 80 | + public List<CartRepositoryDto> addCart(BigInteger userId, BigInteger stockId) { |
| 81 | + val time = DateUtils.getNow(); |
| 82 | + |
| 83 | + // 商品テーブル |
| 84 | + val cart = new Cart(); |
| 85 | + cart.setUserId(userId); |
| 86 | + cart.setStockId(stockId); |
| 87 | + cart.setCreatedAt(time); // 作成日 |
| 88 | + cart.setUpdatedAt(time); // 更新日 |
| 89 | + cart.setDeleteFlg(false); // 削除フラグ |
| 90 | + cart.setVersion(0L); // 楽観ロック改定番号 |
| 91 | + cartDao.insert(cart); |
| 92 | + |
| 93 | + return findCart(userId); |
| 94 | + } |
| 95 | + |
| 96 | + /** |
| 97 | + * ユーザに紐づくカートから商品を削除します。 |
| 98 | + * |
| 99 | + * @param userId |
| 100 | + * @param cartId |
| 101 | + * @return |
| 102 | + */ |
| 103 | + public List<CartRepositoryDto> removeCart(BigInteger userId, BigInteger cartId) { |
| 104 | + var cart = cartDao.selectById(cartId).orElseThrow(); |
| 105 | + cartDao.delete(cart); |
| 106 | + return findCart(userId); |
| 107 | + } |
| 108 | + |
| 109 | +} |
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