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	【代码优化】商城: 满减送活动优惠券相关
This commit is contained in:
		@@ -5,7 +5,7 @@ import cn.iocoder.yudao.module.promotion.api.coupon.dto.CouponUseReqDTO;
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import cn.iocoder.yudao.module.promotion.api.coupon.dto.CouponValidReqDTO;
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					import cn.iocoder.yudao.module.promotion.api.coupon.dto.CouponValidReqDTO;
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import jakarta.validation.Valid;
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					import jakarta.validation.Valid;
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import java.util.List;
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					import java.util.Map;
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/**
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					/**
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 * 优惠劵 API 接口
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					 * 优惠劵 API 接口
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@@ -36,14 +36,20 @@ public interface CouponApi {
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     */
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					     */
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    CouponRespDTO validateCoupon(@Valid CouponValidReqDTO validReqDTO);
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					    CouponRespDTO validateCoupon(@Valid CouponValidReqDTO validReqDTO);
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    // TODO @puhui999:Map<Long, Integer> 优惠劵 会不会好点。
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    /**
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					    /**
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     * 【管理员】给指定用户批量发送优惠券
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					     * 【管理员】给指定用户批量发送优惠券
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     *
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					     *
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     * @param templateIds 优惠劵编号的数组
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					     * @param giveCouponsMap  key: 优惠劵编号,value:对应的优惠券数量
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     * @param counts      优惠券数量的数组
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     * @param userId      用户编号
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					     * @param userId      用户编号
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     */
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					     */
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    void takeCouponsByAdmin(List<Long> templateIds, List<Integer> counts, Long userId);
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					    void takeCouponsByAdmin(Map<Long, Integer> giveCouponsMap, Long userId);
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					    /**
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					     * 【管理员】收回给指定用户批量发送优惠券
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					     *
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					     * @param giveCouponsMap key: 优惠劵编号,value:对应的优惠券数量
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					     * @param userId         用户编号
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					     */
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					    void takeBackCouponsByAdmin(Map<Long, Integer> giveCouponsMap, Long userId);
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}
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					}
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@@ -8,6 +8,7 @@ import lombok.Data;
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import java.io.Serializable;
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					import java.io.Serializable;
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import java.time.LocalDateTime;
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					import java.time.LocalDateTime;
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import java.util.List;
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					import java.util.List;
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					import java.util.Map;
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/**
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					/**
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 * 满减送活动的匹配 Response DTO
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					 * 满减送活动的匹配 Response DTO
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@@ -98,13 +99,11 @@ public class RewardActivityMatchRespDTO {
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         */
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					         */
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        private Boolean giveCoupon;
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					        private Boolean giveCoupon;
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        /**
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					        /**
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         * 赠送的优惠劵编号的数组
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					         * 赠送的优惠劵
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					         *
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					         *  key: 优惠劵编号,value:对应的优惠券数量
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         */
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					         */
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        private List<Long> couponIds;
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					        private Map<Long, Integer> giveCouponsMap;
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        /**
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         * 赠送的优惠券数量的数组
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         */
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        private List<Integer> couponCounts;
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    }
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					    }
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@@ -18,7 +18,7 @@ public enum CouponStatusEnum implements IntArrayValuable {
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    UNUSED(1, "未使用"),
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					    UNUSED(1, "未使用"),
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    USED(2, "已使用"),
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					    USED(2, "已使用"),
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    EXPIRE(3, "已过期"),
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					    EXPIRE(3, "已过期"),
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    ;
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					    INVALID(4, "已作废");
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    public static final int[] ARRAYS = Arrays.stream(values()).mapToInt(CouponStatusEnum::getStatus).toArray();
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					    public static final int[] ARRAYS = Arrays.stream(values()).mapToInt(CouponStatusEnum::getStatus).toArray();
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@@ -11,7 +11,7 @@ import jakarta.annotation.Resource;
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import org.springframework.stereotype.Service;
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					import org.springframework.stereotype.Service;
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import org.springframework.validation.annotation.Validated;
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					import org.springframework.validation.annotation.Validated;
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import java.util.List;
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					import java.util.Map;
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/**
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					/**
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 * 优惠劵 API 实现类
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					 * 优惠劵 API 实现类
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@@ -43,8 +43,13 @@ public class CouponApiImpl implements CouponApi {
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    }
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					    }
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    @Override
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					    @Override
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    public void takeCouponsByAdmin(List<Long> templateIds, List<Integer> counts, Long userId) {
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					    public void takeCouponsByAdmin(Map<Long, Integer> giveCouponsMap, Long userId) {
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        couponService.takeCouponsByAdmin(templateIds, counts, userId);
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					        couponService.takeCouponsByAdmin(giveCouponsMap, userId);
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					    }
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					    @Override
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					    public void takeBackCouponsByAdmin(Map<Long, Integer> giveCouponsMap, Long userId) {
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					        couponService.takeBackCouponsByAdmin(giveCouponsMap, userId);
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    }
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					    }
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}
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					}
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@@ -16,6 +16,7 @@ import lombok.Data;
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import java.time.LocalDateTime;
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					import java.time.LocalDateTime;
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import java.util.List;
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					import java.util.List;
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					import java.util.Map;
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import java.util.Objects;
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					import java.util.Objects;
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/**
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					/**
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@@ -88,16 +89,7 @@ public class RewardActivityBaseVO {
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        private Boolean giveCoupon;
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					        private Boolean giveCoupon;
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        @Schema(description = "赠送的优惠劵编号的数组", example = "1,2,3")
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					        @Schema(description = "赠送的优惠劵编号的数组", example = "1,2,3")
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        private List<Long> couponIds;
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					        private Map<Long, Integer> giveCouponsMap;
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        @Schema(description = "赠送的优惠券数量的数组", example = "1,2,3")
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        private List<Integer> couponCounts;
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        @AssertTrue(message = "优惠劵和数量必须一一对应")
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        @JsonIgnore
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        public boolean isCouponCountsValid() {
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            return BooleanUtil.isFalse(giveCoupon) || CollUtil.size(couponIds) == CollUtil.size(couponCounts);
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        }
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        @AssertTrue(message = "赠送的积分不能小于 1")
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					        @AssertTrue(message = "赠送的积分不能小于 1")
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        @JsonIgnore
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					        @JsonIgnore
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@@ -50,7 +50,6 @@ public class CouponDO extends BaseDO {
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     *
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					     *
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     * 枚举 {@link CouponStatusEnum}
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					     * 枚举 {@link CouponStatusEnum}
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     */
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					     */
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    // TODO 芋艿:已作废?
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    private Integer status;
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					    private Integer status;
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    // TODO 芋艿:发放 adminid?
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					    // TODO 芋艿:发放 adminid?
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@@ -16,6 +16,7 @@ import lombok.EqualsAndHashCode;
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import java.io.Serializable;
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					import java.io.Serializable;
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import java.time.LocalDateTime;
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					import java.time.LocalDateTime;
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import java.util.List;
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					import java.util.List;
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					import java.util.Map;
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/**
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					/**
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 * 满减送活动 DO
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					 * 满减送活动 DO
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@@ -114,13 +115,11 @@ public class RewardActivityDO extends BaseDO {
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         */
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					         */
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        private Boolean giveCoupon;
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					        private Boolean giveCoupon;
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        /**
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					        /**
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         * 赠送的优惠劵编号的数组
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					         * 赠送的优惠劵
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					         *
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					         *  key: 优惠劵编号,value:对应的优惠券数量
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         */
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					         */
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        private List<Long> couponIds;
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					        private Map<Long, Integer> giveCouponsMap;
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        /**
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         * 赠送的优惠券数量的数组
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         */
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        private List<Integer> couponCounts;
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    }
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					    }
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@@ -72,6 +72,15 @@ public interface CouponMapper extends BaseMapperX<CouponDO> {
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        );
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					        );
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    }
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					    }
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					    default List<CouponDO> selectListByTemplateIdAndUserIdAndTakeType(Long templateId, Collection<Long> userIds,
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					                                                                      Integer takeType) {
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					        return selectList(new LambdaQueryWrapperX<CouponDO>()
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					                .eq(CouponDO::getTemplateId, templateId)
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					                .eq(CouponDO::getTakeType, takeType)
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					                .in(CouponDO::getUserId, userIds)
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					        );
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					    }
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    default Map<Long, Integer> selectCountByUserIdAndTemplateIdIn(Long userId, Collection<Long> templateIds) {
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					    default Map<Long, Integer> selectCountByUserIdAndTemplateIdIn(Long userId, Collection<Long> templateIds) {
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        String templateIdAlias = "templateId";
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					        String templateIdAlias = "templateId";
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        String countAlias = "count";
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					        String countAlias = "count";
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@@ -108,11 +108,18 @@ public interface CouponService {
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    /**
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					    /**
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     * 【管理员】给指定用户批量发送优惠券
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					     * 【管理员】给指定用户批量发送优惠券
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     *
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					     *
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     * @param templateIds 优惠劵编号的数组
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					     * @param giveCouponsMap key: 优惠劵编号,value:对应的优惠券数量
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     * @param counts      优惠券数量的数组
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     * @param userId      用户编号
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					     * @param userId      用户编号
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     */
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					     */
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    void takeCouponsByAdmin(List<Long> templateIds, List<Integer> counts, Long userId);
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					    void takeCouponsByAdmin(Map<Long, Integer> giveCouponsMap, Long userId);
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					    /**
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					     * 【管理员】收回给指定用户批量发送优惠券
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					     *
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					     * @param giveCouponsMap key: 优惠劵编号,value:对应的优惠券数量
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					     * @param userId         用户编号
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					     */
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					    void takeBackCouponsByAdmin(Map<Long, Integer> giveCouponsMap, Long userId);
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    /**
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					    /**
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     * 【会员】领取优惠券
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					     * 【会员】领取优惠券
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@@ -31,7 +31,6 @@ import java.util.stream.Collectors;
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import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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					import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.*;
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					import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.*;
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import static cn.iocoder.yudao.framework.common.util.collection.MapUtils.findAndThen;
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import static cn.iocoder.yudao.module.promotion.enums.ErrorCodeConstants.*;
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					import static cn.iocoder.yudao.module.promotion.enums.ErrorCodeConstants.*;
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import static java.util.Arrays.asList;
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					import static java.util.Arrays.asList;
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@@ -165,6 +164,7 @@ public class CouponServiceImpl implements CouponService {
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    }
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					    }
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    @Override
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					    @Override
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					    @Transactional(rollbackFor = Exception.class)
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    public void takeCoupon(Long templateId, Set<Long> userIds, CouponTakeTypeEnum takeType) {
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					    public void takeCoupon(Long templateId, Set<Long> userIds, CouponTakeTypeEnum takeType) {
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        CouponTemplateDO template = couponTemplateService.getCouponTemplate(templateId);
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					        CouponTemplateDO template = couponTemplateService.getCouponTemplate(templateId);
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        // 1. 过滤掉达到领取限制的用户
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					        // 1. 过滤掉达到领取限制的用户
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@@ -180,28 +180,66 @@ public class CouponServiceImpl implements CouponService {
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    }
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					    }
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    @Override
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					    @Override
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    public void takeCouponsByAdmin(List<Long> templateIds, List<Integer> counts, Long userId) {
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					    public void takeCouponsByAdmin(Map<Long, Integer> giveCouponsMap, Long userId) {
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        // TODO @puhui999:要不要循环调用上面的 takeCoupon 方法?按道理说,赠送也不会很多张。如果某次发卷失败,可以打个 error log;
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					        if (CollUtil.isEmpty(giveCouponsMap)) {
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        // 1. 获得优惠券模版
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        List<CouponTemplateDO> templateList = couponTemplateService.getCouponTemplateList(templateIds);
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        if (CollUtil.isEmpty(templateList)) {
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            return;
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					            return;
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        }
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					        }
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        Map<Long, CouponTemplateDO> templateMap = convertMap(templateList, CouponTemplateDO::getId);
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					        // 循环发放
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        // 2.1 批量构建优惠券
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					        for (Map.Entry<Long, Integer> entry : giveCouponsMap.entrySet()) {
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        List<CouponDO> couponList = new ArrayList<>();
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					            try {
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        for (int i = 0; i < templateIds.size(); i++) {
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					                for (int i = 0; i < entry.getValue(); i++) {
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            int finalI = i;
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					                    getSelf().takeCoupon(entry.getKey(), CollUtil.newHashSet(userId), CouponTakeTypeEnum.ADMIN);
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            findAndThen(templateMap, templateIds.get(i), template -> {
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                for (int j = 0; j < counts.get(finalI); j++) {
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                    couponList.add(CouponConvert.INSTANCE.convert(template, userId)
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                            .setTakeType(CouponTakeTypeEnum.ADMIN.getValue()));
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                }
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					                }
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            });
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					            } catch (Exception e) {
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					                log.error("[takeCouponsByAdmin][coupon({}) 优惠券发放失败]", entry, e);
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					            }
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        }
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					        }
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        // 2.2 批量保存优惠券
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					    }
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        couponMapper.insertBatch(couponList);
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					    @Override
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					    public void takeBackCouponsByAdmin(Map<Long, Integer> giveCouponsMap, Long userId) {
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					        // 循环收回
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			||||||
 | 
					        for (Map.Entry<Long, Integer> entry : giveCouponsMap.entrySet()) {
 | 
				
			||||||
 | 
					            try {
 | 
				
			||||||
 | 
					                for (int i = 0; i < entry.getValue(); i++) {
 | 
				
			||||||
 | 
					                    getSelf().takeBackCoupon(entry.getKey(), CollUtil.newHashSet(userId), CouponTakeTypeEnum.ADMIN);
 | 
				
			||||||
 | 
					                }
 | 
				
			||||||
 | 
					            } catch (Exception e) {
 | 
				
			||||||
 | 
					                log.error("[takeBackCouponsByAdmin][coupon({}) 收回优惠券失败]", entry, e);
 | 
				
			||||||
 | 
					            }
 | 
				
			||||||
 | 
					        }
 | 
				
			||||||
 | 
					    }
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					    /**
 | 
				
			||||||
 | 
					     * 【管理员】收回优惠券
 | 
				
			||||||
 | 
					     *
 | 
				
			||||||
 | 
					     * @param templateId 模版编号
 | 
				
			||||||
 | 
					     * @param userIds 用户编号列表
 | 
				
			||||||
 | 
					     * @param takeType 领取方式
 | 
				
			||||||
 | 
					     */
 | 
				
			||||||
 | 
					    @Transactional(rollbackFor = Exception.class)
 | 
				
			||||||
 | 
					    public void takeBackCoupon(Long templateId, Set<Long> userIds, CouponTakeTypeEnum takeType) {
 | 
				
			||||||
 | 
					        CouponTemplateDO couponTemplate = couponTemplateService.getCouponTemplate(templateId);
 | 
				
			||||||
 | 
					        // 1.1 校验模板
 | 
				
			||||||
 | 
					        if (couponTemplate == null) {
 | 
				
			||||||
 | 
					            throw exception(COUPON_TEMPLATE_NOT_EXISTS);
 | 
				
			||||||
 | 
					        }
 | 
				
			||||||
 | 
					        // 1.2 校验领取方式
 | 
				
			||||||
 | 
					        if (ObjectUtil.notEqual(couponTemplate.getTakeType(), takeType.getValue())) {
 | 
				
			||||||
 | 
					            throw exception(COUPON_TEMPLATE_CANNOT_TAKE);
 | 
				
			||||||
 | 
					        }
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					        // 2.1 过滤出还未使用的赠送的优惠券
 | 
				
			||||||
 | 
					        List<CouponDO> couponList = couponMapper.selectListByTemplateIdAndUserIdAndTakeType(templateId, userIds,
 | 
				
			||||||
 | 
					                takeType.getValue());
 | 
				
			||||||
 | 
					        List<CouponDO> unUsedCouponList = filterList(couponList, item -> !CouponStatusEnum.USED.getStatus().equals(item.getStatus()));
 | 
				
			||||||
 | 
					        // 2.2 减少优惠劵模板的领取数量
 | 
				
			||||||
 | 
					        couponTemplateService.updateCouponTemplateTakeCount(templateId, unUsedCouponList.size() * -1);
 | 
				
			||||||
 | 
					        // 2.3 批量更新优惠劵状态
 | 
				
			||||||
 | 
					        couponMapper.updateById(convertList(unUsedCouponList, item -> new CouponDO().setId(item.getId())
 | 
				
			||||||
 | 
					                .setStatus(CouponStatusEnum.INVALID.getStatus())));
 | 
				
			||||||
 | 
					
 | 
				
			||||||
    }
 | 
					    }
 | 
				
			||||||
 | 
					
 | 
				
			||||||
    @Override
 | 
					    @Override
 | 
				
			||||||
 
 | 
				
			|||||||
@@ -12,11 +12,13 @@ import cn.iocoder.yudao.module.trade.enums.order.TradeOrderRefundStatusEnum;
 | 
				
			|||||||
import cn.iocoder.yudao.module.trade.enums.order.TradeOrderStatusEnum;
 | 
					import cn.iocoder.yudao.module.trade.enums.order.TradeOrderStatusEnum;
 | 
				
			||||||
import cn.iocoder.yudao.module.trade.enums.order.TradeOrderTypeEnum;
 | 
					import cn.iocoder.yudao.module.trade.enums.order.TradeOrderTypeEnum;
 | 
				
			||||||
import com.baomidou.mybatisplus.annotation.KeySequence;
 | 
					import com.baomidou.mybatisplus.annotation.KeySequence;
 | 
				
			||||||
 | 
					import com.baomidou.mybatisplus.annotation.TableField;
 | 
				
			||||||
import com.baomidou.mybatisplus.annotation.TableName;
 | 
					import com.baomidou.mybatisplus.annotation.TableName;
 | 
				
			||||||
 | 
					import com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler;
 | 
				
			||||||
import lombok.*;
 | 
					import lombok.*;
 | 
				
			||||||
 | 
					
 | 
				
			||||||
import java.time.LocalDateTime;
 | 
					import java.time.LocalDateTime;
 | 
				
			||||||
import java.util.List;
 | 
					import java.util.Map;
 | 
				
			||||||
 | 
					
 | 
				
			||||||
/**
 | 
					/**
 | 
				
			||||||
 * 交易订单 DO
 | 
					 * 交易订单 DO
 | 
				
			||||||
@@ -292,19 +294,14 @@ public class TradeOrderDO extends BaseDO {
 | 
				
			|||||||
     */
 | 
					     */
 | 
				
			||||||
    private Integer vipPrice;
 | 
					    private Integer vipPrice;
 | 
				
			||||||
 | 
					
 | 
				
			||||||
    // TODO @puhui999::1)建议命名要 giveXXX;不然不好理解哈;2)是不是搞成 Map 好点哈。
 | 
					 | 
				
			||||||
    /**
 | 
					    /**
 | 
				
			||||||
     * 赠送的优惠劵编号的数组
 | 
					     * 赠送的优惠劵
 | 
				
			||||||
     *
 | 
					     *
 | 
				
			||||||
 | 
					     *  key: 优惠劵编号,value:对应的优惠券数量
 | 
				
			||||||
     * 目的:用于后续取消或者售后订单时,需要扣减赠送
 | 
					     * 目的:用于后续取消或者售后订单时,需要扣减赠送
 | 
				
			||||||
     */
 | 
					     */
 | 
				
			||||||
    private List<Long> couponIds;
 | 
					    @TableField(typeHandler = JacksonTypeHandler.class)
 | 
				
			||||||
    /**
 | 
					    private Map<Long, Integer> giveCouponsMap;
 | 
				
			||||||
     * 赠送的优惠券数量的数组
 | 
					 | 
				
			||||||
     *
 | 
					 | 
				
			||||||
     * 目的:用于后续取消或者售后订单时,需要扣减赠送
 | 
					 | 
				
			||||||
     */
 | 
					 | 
				
			||||||
    private List<Integer> couponCounts;
 | 
					 | 
				
			||||||
 | 
					
 | 
				
			||||||
    /**
 | 
					    /**
 | 
				
			||||||
     * 秒杀活动编号
 | 
					     * 秒杀活动编号
 | 
				
			||||||
 
 | 
				
			|||||||
@@ -202,7 +202,7 @@ public class TradeOrderUpdateServiceImpl implements TradeOrderUpdateService {
 | 
				
			|||||||
        order.setProductCount(getSumValue(calculateRespBO.getItems(), TradePriceCalculateRespBO.OrderItem::getCount, Integer::sum));
 | 
					        order.setProductCount(getSumValue(calculateRespBO.getItems(), TradePriceCalculateRespBO.OrderItem::getCount, Integer::sum));
 | 
				
			||||||
        order.setUserIp(getClientIP()).setTerminal(getTerminal());
 | 
					        order.setUserIp(getClientIP()).setTerminal(getTerminal());
 | 
				
			||||||
        // 使用 + 赠送优惠券
 | 
					        // 使用 + 赠送优惠券
 | 
				
			||||||
        order.setCouponIds(calculateRespBO.getCouponIds()).setCouponCounts(calculateRespBO.getCouponCounts());
 | 
					        order.setGiveCouponsMap(calculateRespBO.getGiveCouponsMap());
 | 
				
			||||||
        // 支付 + 退款信息
 | 
					        // 支付 + 退款信息
 | 
				
			||||||
        order.setAdjustPrice(0).setPayStatus(false);
 | 
					        order.setAdjustPrice(0).setPayStatus(false);
 | 
				
			||||||
        order.setRefundStatus(TradeOrderRefundStatusEnum.NONE.getStatus()).setRefundPrice(0);
 | 
					        order.setRefundStatus(TradeOrderRefundStatusEnum.NONE.getStatus()).setRefundPrice(0);
 | 
				
			||||||
 
 | 
				
			|||||||
@@ -33,11 +33,11 @@ public class TradeCouponOrderHandler implements TradeOrderHandler {
 | 
				
			|||||||
 | 
					
 | 
				
			||||||
    @Override
 | 
					    @Override
 | 
				
			||||||
    public void afterPayOrder(TradeOrderDO order, List<TradeOrderItemDO> orderItems) {
 | 
					    public void afterPayOrder(TradeOrderDO order, List<TradeOrderItemDO> orderItems) {
 | 
				
			||||||
        if (CollUtil.isEmpty(order.getCouponIds())) {
 | 
					        if (CollUtil.isEmpty(order.getGiveCouponsMap())) {
 | 
				
			||||||
            return;
 | 
					            return;
 | 
				
			||||||
        }
 | 
					        }
 | 
				
			||||||
        // 赠送优惠券
 | 
					        // 赠送优惠券
 | 
				
			||||||
        couponApi.takeCouponsByAdmin(order.getCouponIds(), order.getCouponCounts(), order.getUserId());
 | 
					        couponApi.takeCouponsByAdmin(order.getGiveCouponsMap(), order.getUserId());
 | 
				
			||||||
    }
 | 
					    }
 | 
				
			||||||
 | 
					
 | 
				
			||||||
    @Override
 | 
					    @Override
 | 
				
			||||||
@@ -48,10 +48,10 @@ public class TradeCouponOrderHandler implements TradeOrderHandler {
 | 
				
			|||||||
            couponApi.returnUsedCoupon(order.getCouponId());
 | 
					            couponApi.returnUsedCoupon(order.getCouponId());
 | 
				
			||||||
        }
 | 
					        }
 | 
				
			||||||
        // 情况二:收回赠送的优惠券
 | 
					        // 情况二:收回赠送的优惠券
 | 
				
			||||||
        if (CollUtil.isEmpty(order.getCouponIds())) {
 | 
					        if (CollUtil.isEmpty(order.getGiveCouponsMap())) {
 | 
				
			||||||
            return;
 | 
					            return;
 | 
				
			||||||
        }
 | 
					        }
 | 
				
			||||||
        // TODO @puhui999: 收回优惠券再考虑一下,是直接删除券还是改个状态;建议是【已作废】
 | 
					        couponApi.takeBackCouponsByAdmin(order.getGiveCouponsMap(), order.getUserId());
 | 
				
			||||||
    }
 | 
					    }
 | 
				
			||||||
 | 
					
 | 
				
			||||||
}
 | 
					}
 | 
				
			||||||
 
 | 
				
			|||||||
@@ -6,6 +6,7 @@ import cn.iocoder.yudao.module.trade.enums.order.TradeOrderTypeEnum;
 | 
				
			|||||||
import lombok.Data;
 | 
					import lombok.Data;
 | 
				
			||||||
 | 
					
 | 
				
			||||||
import java.util.List;
 | 
					import java.util.List;
 | 
				
			||||||
 | 
					import java.util.Map;
 | 
				
			||||||
 | 
					
 | 
				
			||||||
/**
 | 
					/**
 | 
				
			||||||
 * 价格计算 Response BO
 | 
					 * 价格计算 Response BO
 | 
				
			||||||
@@ -72,15 +73,13 @@ public class TradePriceCalculateRespBO {
 | 
				
			|||||||
     */
 | 
					     */
 | 
				
			||||||
    private Boolean freeDelivery;
 | 
					    private Boolean freeDelivery;
 | 
				
			||||||
 | 
					
 | 
				
			||||||
    // TODO @puhui999:感觉要不要试着改成 Map<Long, Integer> giveCoupons?貌似整体会更好理解一点。
 | 
					 | 
				
			||||||
    /**
 | 
					    /**
 | 
				
			||||||
     * 赠送的优惠劵编号的数组
 | 
					     * 赠送的优惠劵
 | 
				
			||||||
 | 
					     *
 | 
				
			||||||
 | 
					     *  key: 优惠劵编号,value:对应的优惠券数量
 | 
				
			||||||
 | 
					     * 目的:用于后续取消或者售后订单时,需要扣减赠送
 | 
				
			||||||
     */
 | 
					     */
 | 
				
			||||||
    private List<Long> couponIds;
 | 
					    private Map<Long, Integer> giveCouponsMap;
 | 
				
			||||||
    /**
 | 
					 | 
				
			||||||
     * 赠送的优惠券数量的数组
 | 
					 | 
				
			||||||
     */
 | 
					 | 
				
			||||||
    private List<Integer> couponCounts;
 | 
					 | 
				
			||||||
 | 
					
 | 
				
			||||||
    /**
 | 
					    /**
 | 
				
			||||||
     * 订单价格
 | 
					     * 订单价格
 | 
				
			||||||
 
 | 
				
			|||||||
@@ -11,6 +11,7 @@ import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateReqBO;
 | 
				
			|||||||
import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateRespBO;
 | 
					import cn.iocoder.yudao.module.trade.service.price.bo.TradePriceCalculateRespBO;
 | 
				
			||||||
 | 
					
 | 
				
			||||||
import java.util.ArrayList;
 | 
					import java.util.ArrayList;
 | 
				
			||||||
 | 
					import java.util.LinkedHashMap;
 | 
				
			||||||
import java.util.List;
 | 
					import java.util.List;
 | 
				
			||||||
import java.util.Map;
 | 
					import java.util.Map;
 | 
				
			||||||
 | 
					
 | 
				
			||||||
@@ -31,8 +32,7 @@ public class TradePriceCalculatorHelper {
 | 
				
			|||||||
                                                               List<ProductSpuRespDTO> spuList, List<ProductSkuRespDTO> skuList) {
 | 
					                                                               List<ProductSpuRespDTO> spuList, List<ProductSkuRespDTO> skuList) {
 | 
				
			||||||
        // 创建 PriceCalculateRespDTO 对象
 | 
					        // 创建 PriceCalculateRespDTO 对象
 | 
				
			||||||
        TradePriceCalculateRespBO result = new TradePriceCalculateRespBO();
 | 
					        TradePriceCalculateRespBO result = new TradePriceCalculateRespBO();
 | 
				
			||||||
        result.setType(getOrderType(param)).setPromotions(new ArrayList<>())
 | 
					        result.setType(getOrderType(param)).setPromotions(new ArrayList<>()).setGiveCouponsMap(new LinkedHashMap<>());
 | 
				
			||||||
                .setCouponIds(new ArrayList<>()).setCouponCounts(new ArrayList<>());
 | 
					 | 
				
			||||||
 | 
					
 | 
				
			||||||
        // 创建它的 OrderItem 属性
 | 
					        // 创建它的 OrderItem 属性
 | 
				
			||||||
        result.setItems(new ArrayList<>(param.getItems().size()));
 | 
					        result.setItems(new ArrayList<>(param.getItems().size()));
 | 
				
			||||||
 
 | 
				
			|||||||
@@ -19,13 +19,14 @@ import org.springframework.stereotype.Component;
 | 
				
			|||||||
import java.util.ArrayList;
 | 
					import java.util.ArrayList;
 | 
				
			||||||
import java.util.Comparator;
 | 
					import java.util.Comparator;
 | 
				
			||||||
import java.util.List;
 | 
					import java.util.List;
 | 
				
			||||||
import java.util.Objects;
 | 
					import java.util.Map;
 | 
				
			||||||
 | 
					
 | 
				
			||||||
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
 | 
					import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
 | 
				
			||||||
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.filterList;
 | 
					import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.filterList;
 | 
				
			||||||
import static cn.iocoder.yudao.module.trade.service.price.calculator.TradePriceCalculatorHelper.formatPrice;
 | 
					import static cn.iocoder.yudao.module.trade.service.price.calculator.TradePriceCalculatorHelper.formatPrice;
 | 
				
			||||||
 | 
					
 | 
				
			||||||
// TODO @puhui999:相关的单测,建议改一改
 | 
					// TODO @puhui999:相关的单测,建议改一改
 | 
				
			||||||
 | 
					
 | 
				
			||||||
/**
 | 
					/**
 | 
				
			||||||
 * 满减送活动的 {@link TradePriceCalculator} 实现类
 | 
					 * 满减送活动的 {@link TradePriceCalculator} 实现类
 | 
				
			||||||
 *
 | 
					 *
 | 
				
			||||||
@@ -107,16 +108,12 @@ public class TradeRewardActivityPriceCalculator implements TradePriceCalculator
 | 
				
			|||||||
        }
 | 
					        }
 | 
				
			||||||
        // 4.3 记录赠送的优惠券
 | 
					        // 4.3 记录赠送的优惠券
 | 
				
			||||||
        if (rule.getGiveCoupon()) {
 | 
					        if (rule.getGiveCoupon()) {
 | 
				
			||||||
            for (int i = 0; i < rule.getCouponIds().size(); i++) {
 | 
					            for (Map.Entry<Long, Integer> entry : rule.getGiveCouponsMap().entrySet()) {
 | 
				
			||||||
                Long couponId = result.getCouponIds().get(i);
 | 
					                Map<Long, Integer> giveCouponsMap = result.getGiveCouponsMap();
 | 
				
			||||||
                Integer couponCount = result.getCouponCounts().get(i);
 | 
					                if (giveCouponsMap.get(entry.getKey()) == null) { // 情况一:还没有赠送的优惠券
 | 
				
			||||||
                int index = CollUtil.indexOf(result.getCouponIds(), id -> Objects.equals(couponId, id));
 | 
					                    result.setGiveCouponsMap(rule.getGiveCouponsMap());
 | 
				
			||||||
                if (index != -1) { // 情况一:别的满减活动送过同类优惠券,则直接增加数量
 | 
					                } else { // 情况二:别的满减活动送过同类优惠券,则直接增加数量
 | 
				
			||||||
                    List<Integer> couponCounts = result.getCouponCounts();
 | 
					                    giveCouponsMap.put(entry.getKey(), giveCouponsMap.get(entry.getKey()) + entry.getValue());
 | 
				
			||||||
                    couponCounts.set(index, couponCounts.get(index) + couponCount);
 | 
					 | 
				
			||||||
                    result.setCouponCounts(couponCounts);
 | 
					 | 
				
			||||||
                } else { // 情况二:还没有赠送的优惠券
 | 
					 | 
				
			||||||
                    result.setCouponIds(rule.getCouponIds()).setCouponCounts(rule.getCouponCounts());
 | 
					 | 
				
			||||||
                }
 | 
					                }
 | 
				
			||||||
            }
 | 
					            }
 | 
				
			||||||
        }
 | 
					        }
 | 
				
			||||||
@@ -193,7 +190,7 @@ public class TradeRewardActivityPriceCalculator implements TradePriceCalculator
 | 
				
			|||||||
        // 2. 构建不满足时的提示信息:按最低档规则算
 | 
					        // 2. 构建不满足时的提示信息:按最低档规则算
 | 
				
			||||||
        String meetTip = "满减送:购满 {} {},可以减 {} 元";
 | 
					        String meetTip = "满减送:购满 {} {},可以减 {} 元";
 | 
				
			||||||
        List<RewardActivityMatchRespDTO.Rule> rules = new ArrayList<>(rewardActivity.getRules());
 | 
					        List<RewardActivityMatchRespDTO.Rule> rules = new ArrayList<>(rewardActivity.getRules());
 | 
				
			||||||
        rules.sort(Comparator.comparing(RewardActivityMatchRespDTO.Rule::getLimit)); // 按优惠门槛降序
 | 
					        rules.sort(Comparator.comparing(RewardActivityMatchRespDTO.Rule::getLimit)); // 按优惠门槛升序
 | 
				
			||||||
        RewardActivityMatchRespDTO.Rule rule = rules.get(0);
 | 
					        RewardActivityMatchRespDTO.Rule rule = rules.get(0);
 | 
				
			||||||
        if (PromotionConditionTypeEnum.PRICE.getType().equals(rewardActivity.getConditionType())) {
 | 
					        if (PromotionConditionTypeEnum.PRICE.getType().equals(rewardActivity.getConditionType())) {
 | 
				
			||||||
            return StrUtil.format(meetTip, rule.getLimit(), "元", MoneyUtils.fenToYuanStr(rule.getDiscountPrice()));
 | 
					            return StrUtil.format(meetTip, rule.getLimit(), "元", MoneyUtils.fenToYuanStr(rule.getDiscountPrice()));
 | 
				
			||||||
 
 | 
				
			|||||||
		Reference in New Issue
	
	Block a user