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Merge branch 'master' of https://github.com/linlinjava/litemall

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This commit is contained in:
Junling Bu
2020-06-26 09:14:13 +08:00
parent 2410955929 7836237d70
commit 0395ecd391
1 changed files with 29 additions and 19 deletions
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48
litemall-db/src/main/java/org/linlinjava/litemall/db/service/CouponVerifyService.java
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@@ -9,10 +9,7 @@ import org.springframework.stereotype.Service;
import java.math.BigDecimal;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import java.util.*;
@Service
public class CouponVerifyService {
@@ -34,7 +31,7 @@ public class CouponVerifyService {
*/
public LitemallCoupon checkCoupon(Integer userId, Integer couponId, Integer userCouponId, BigDecimal checkedGoodsPrice, List<LitemallCart> cartList) {
LitemallCoupon coupon = couponService.findById(couponId);
if (coupon == null) {
if (coupon == null || coupon.getDeleted()) {
return null;
}
@@ -69,23 +66,36 @@ public class CouponVerifyService {
}
// 检测商品是否符合
List<Integer> goodsList = cartList.stream().map(item -> item.getGoodsId()).collect(Collectors.toList());
for (LitemallCart cart : cartList) {
goodsList.add(cart.getGoodsId());
}
Map<Integer, List<LitemallCart>> cartMap = new HashMap<>();
//可使用优惠券的商品或分类
List<Integer> goodsValueList = new ArrayList<>(Arrays.asList(coupon.getGoodsValue()));
Short goodType = coupon.getGoodsType();
if (goodType.equals(CouponConstant.GOODS_TYPE_ARRAY)) {
goodsValueList.retainAll(goodsList);
if (goodsValueList.size() <= 0) {
return null;
if (goodType.equals(CouponConstant.GOODS_TYPE_CATEGORY) ||
goodType.equals((CouponConstant.GOODS_TYPE_ARRAY))) {
for (LitemallCart cart : cartList) {
Integer key = goodType.equals(CouponConstant.GOODS_TYPE_ARRAY) ? cart.getGoodsId() :
goodsService.findById(cart.getGoodsId()).getCategoryId();
List<LitemallCart> carts = cartMap.get(key);
if (carts == null) {
carts = new LinkedList<>();
}
carts.add(cart);
cartMap.put(key, carts);
}
} else if (goodType.equals(CouponConstant.GOODS_TYPE_CATEGORY)) {
List<Integer> categoryList = cartList.stream()
.map(item -> goodsService.findById(item.getGoodsId())
.getCategoryId()).collect(Collectors.toList());
goodsValueList.retainAll(categoryList);
if (goodsValueList.size() <= 0) {
//购物车中可以使用优惠券的商品或分类
goodsValueList.retainAll(cartMap.keySet());
//可使用优惠券的商品的总价格
BigDecimal total = new BigDecimal(0);
for (Integer goodsId : goodsValueList) {
List<LitemallCart> carts = cartMap.get(goodsId);
for (LitemallCart cart : carts) {
total = total.add(cart.getPrice().multiply(new BigDecimal(cart.getNumber())));
}
}
//是否达到优惠券满减金额
if (total.compareTo(coupon.getMin()) == -1) {
return null;
}
}