抢购3

src/main/java/com/cxyxiaomo/flashsale/controller/ItemController.java

@@ -76,6 +76,15 @@ public class ItemController extends BaseController {
         }
         ItemVO itemVO = new ItemVO();
         BeanUtils.copyProperties(itemModel, itemVO);
+        if (itemModel.getPromoModel() != null) {
+            // 有正在进行或即将进行的秒杀活动
+            itemVO.setPromoStatus(itemModel.getPromoModel().getStatus());
+            itemVO.setPromoId(itemModel.getId());
+            itemVO.setStartDate(itemModel.getPromoModel().getStartDate());
+            itemVO.setPromoPrice(itemModel.getPromoModel().getPromoPrice());
+        } else {
+            itemVO.setPromoStatus(0);
+        }
         return itemVO;
     }
 }

src/main/java/com/cxyxiaomo/flashsale/controller/viewobject/ItemVO.java

@@ -1,5 +1,7 @@
 package com.cxyxiaomo.flashsale.controller.viewobject;
 
+import org.joda.time.DateTime;
+
 import java.math.BigDecimal;
 
 public class ItemVO {
@@ -24,6 +26,19 @@ public class ItemVO {
     // 商品描述图片的URL
     private String imgUrl;
 
+    // 记录商品是否在秒杀活动中，以及对应的状态
+    // 0：没有秒杀活动  2：秒杀活动待开始  3：秒杀活动进行中
+    private Integer promoStatus;
+
+    // 秒杀活动价格
+    private BigDecimal promoPrice;
+
+    // 秒杀活动Id
+    private Integer promoId;
+
+    // 秒杀活动开始时间
+    private DateTime startDate;
+
     public Integer getId() {
         return id;
     }
@@ -79,4 +94,36 @@ public class ItemVO {
     public void setImgUrl(String imgUrl) {
         this.imgUrl = imgUrl;
     }
+
+    public Integer getPromoStatus() {
+        return promoStatus;
+    }
+
+    public void setPromoStatus(Integer promoStatus) {
+        this.promoStatus = promoStatus;
+    }
+
+    public BigDecimal getPromoPrice() {
+        return promoPrice;
+    }
+
+    public void setPromoPrice(BigDecimal promoPrice) {
+        this.promoPrice = promoPrice;
+    }
+
+    public Integer getPromoId() {
+        return promoId;
+    }
+
+    public void setPromoId(Integer promoId) {
+        this.promoId = promoId;
+    }
+
+    public DateTime getStartDate() {
+        return startDate;
+    }
+
+    public void setStartDate(DateTime startDate) {
+        this.startDate = startDate;
+    }
 }

src/main/java/com/cxyxiaomo/flashsale/dao/PromoDOMapper.java

@@ -7,7 +7,7 @@ public interface PromoDOMapper {
      * This method was generated by MyBatis Generator.
      * This method corresponds to the database table promo_info
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     int deleteByPrimaryKey(Integer id);
 
@@ -15,7 +15,7 @@ public interface PromoDOMapper {
      * This method was generated by MyBatis Generator.
      * This method corresponds to the database table promo_info
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     int insert(PromoDO record);
 
@@ -23,7 +23,7 @@ public interface PromoDOMapper {
      * This method was generated by MyBatis Generator.
      * This method corresponds to the database table promo_info
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     int insertSelective(PromoDO record);
 
@@ -31,7 +31,7 @@ public interface PromoDOMapper {
      * This method was generated by MyBatis Generator.
      * This method corresponds to the database table promo_info
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     PromoDO selectByPrimaryKey(Integer id);
 
@@ -39,7 +39,7 @@ public interface PromoDOMapper {
      * This method was generated by MyBatis Generator.
      * This method corresponds to the database table promo_info
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     int updateByPrimaryKeySelective(PromoDO record);
 
@@ -47,7 +47,9 @@ public interface PromoDOMapper {
      * This method was generated by MyBatis Generator.
      * This method corresponds to the database table promo_info
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     int updateByPrimaryKey(PromoDO record);
+
+    PromoDO selectByItemId(Integer itemId);
 }

src/main/java/com/cxyxiaomo/flashsale/dataobject/PromoDO.java

@@ -9,7 +9,7 @@ public class PromoDO {
      * This field was generated by MyBatis Generator.
      * This field corresponds to the database column promo_info.id
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     private Integer id;
 
@@ -18,7 +18,7 @@ public class PromoDO {
      * This field was generated by MyBatis Generator.
      * This field corresponds to the database column promo_info.promo_name
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     private String promoName;
 
@@ -27,16 +27,25 @@ public class PromoDO {
      * This field was generated by MyBatis Generator.
      * This field corresponds to the database column promo_info.start_date
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     private Date startDate;
 
+    /**
+     *
+     * This field was generated by MyBatis Generator.
+     * This field corresponds to the database column promo_info.end_date
+     *
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
+     */
+    private Date endDate;
+
     /**
      *
      * This field was generated by MyBatis Generator.
      * This field corresponds to the database column promo_info.item_id
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     private Integer itemId;
 
@@ -45,7 +54,7 @@ public class PromoDO {
      * This field was generated by MyBatis Generator.
      * This field corresponds to the database column promo_info.prome_item_price
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     private BigDecimal promeItemPrice;
 
@@ -55,7 +64,7 @@ public class PromoDO {
      *
      * @return the value of promo_info.id
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     public Integer getId() {
         return id;
@@ -67,7 +76,7 @@ public class PromoDO {
      *
      * @param id the value for promo_info.id
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     public void setId(Integer id) {
         this.id = id;
@@ -79,7 +88,7 @@ public class PromoDO {
      *
      * @return the value of promo_info.promo_name
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     public String getPromoName() {
         return promoName;
@@ -91,7 +100,7 @@ public class PromoDO {
      *
      * @param promoName the value for promo_info.promo_name
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     public void setPromoName(String promoName) {
         this.promoName = promoName == null ? null : promoName.trim();
@@ -103,7 +112,7 @@ public class PromoDO {
      *
      * @return the value of promo_info.start_date
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     public Date getStartDate() {
         return startDate;
@@ -115,19 +124,43 @@ public class PromoDO {
      *
      * @param startDate the value for promo_info.start_date
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     public void setStartDate(Date startDate) {
         this.startDate = startDate;
     }
 
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method returns the value of the database column promo_info.end_date
+     *
+     * @return the value of promo_info.end_date
+     *
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
+     */
+    public Date getEndDate() {
+        return endDate;
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method sets the value of the database column promo_info.end_date
+     *
+     * @param endDate the value for promo_info.end_date
+     *
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
+     */
+    public void setEndDate(Date endDate) {
+        this.endDate = endDate;
+    }
+
     /**
      * This method was generated by MyBatis Generator.
      * This method returns the value of the database column promo_info.item_id
      *
      * @return the value of promo_info.item_id
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     public Integer getItemId() {
         return itemId;
@@ -139,7 +172,7 @@ public class PromoDO {
      *
      * @param itemId the value for promo_info.item_id
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     public void setItemId(Integer itemId) {
         this.itemId = itemId;
@@ -151,7 +184,7 @@ public class PromoDO {
      *
      * @return the value of promo_info.prome_item_price
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     public BigDecimal getPromeItemPrice() {
         return promeItemPrice;
@@ -163,7 +196,7 @@ public class PromoDO {
      *
      * @param promeItemPrice the value for promo_info.prome_item_price
      *
-     * @mbg.generated Sat Mar 05 12:40:27 CST 2022
+     * @mbg.generated Sat Mar 05 12:55:23 CST 2022
      */
     public void setPromeItemPrice(BigDecimal promeItemPrice) {
         this.promeItemPrice = promeItemPrice;

src/main/java/com/cxyxiaomo/flashsale/service/PromoService.java

@@ -0,0 +1,8 @@
+package com.cxyxiaomo.flashsale.service;
+
+import com.cxyxiaomo.flashsale.service.model.PromoModel;
+
+public interface PromoService {
+    // 根据itemId获取即将进行的或正在进行的秒杀活动
+    PromoModel getPromoByItemId(Integer itemId);
+}

src/main/java/com/cxyxiaomo/flashsale/service/impl/ItemServiceImpl.java

@@ -7,7 +7,9 @@ import com.cxyxiaomo.flashsale.dataobject.ItemStockDO;
 import com.cxyxiaomo.flashsale.error.BusinessException;
 import com.cxyxiaomo.flashsale.error.EmBusinessError;
 import com.cxyxiaomo.flashsale.service.ItemService;
+import com.cxyxiaomo.flashsale.service.PromoService;
 import com.cxyxiaomo.flashsale.service.model.ItemModel;
+import com.cxyxiaomo.flashsale.service.model.PromoModel;
 import com.cxyxiaomo.flashsale.validator.ValidationResult;
 import com.cxyxiaomo.flashsale.validator.ValidatorImpl;
 import org.springframework.beans.BeanUtils;
@@ -30,6 +32,9 @@ public class ItemServiceImpl implements ItemService {
     @Autowired
     private ItemStockDOMapper itemStockDOMapper;
 
+    @Autowired
+    private PromoService promoService;
+
     @Override
     @Transactional
     public ItemModel createItem(ItemModel itemModel) throws BusinessException {
@@ -100,6 +105,13 @@ public class ItemServiceImpl implements ItemService {
 
         // 将Data Object -> Model
         ItemModel itemModel = convertModelFromDataObject(itemDO, itemStockDO);
+
+        // 获取活动商品信息
+        PromoModel promoModel = promoService.getPromoByItemId(itemModel.getId());
+        if (promoModel != null && promoModel.getStatus() != 3) {
+            itemModel.setPromoModel(promoModel);
+        }
+
         return itemModel;
     }
 

src/main/java/com/cxyxiaomo/flashsale/service/impl/PromoServiceImpl.java

@@ -0,0 +1,47 @@
+package com.cxyxiaomo.flashsale.service.impl;
+
+import com.cxyxiaomo.flashsale.dao.PromoDOMapper;
+import com.cxyxiaomo.flashsale.dataobject.PromoDO;
+import com.cxyxiaomo.flashsale.service.PromoService;
+import com.cxyxiaomo.flashsale.service.model.PromoModel;
+import org.joda.time.DateTime;
+import org.springframework.beans.BeanUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+
+public class PromoServiceImpl implements PromoService {
+
+    @Autowired
+    private PromoDOMapper promoDOMapper;
+
+    @Override
+    public PromoModel getPromoByItemId(Integer itemId) {
+        // 获取对应商品的秒杀活动信息
+        PromoDO promoDO = promoDOMapper.selectByPrimaryKey(itemId);
+
+        // Data Object -> Model
+        PromoModel promoModel = convertFromDataObject(promoDO);
+
+        // 判断秒杀活动是否即将开始或正在进行
+        if (promoModel.getStartDate().isAfterNow()) {
+            promoModel.setStatus(1); // 还未开始
+        } else if (promoModel.getEndDate().isBeforeNow()) {
+            promoModel.setStatus(3); // 已经结束
+        } else {
+            promoModel.setStatus(2); // 正在进行中
+        }
+
+        return promoModel;
+    }
+
+    private PromoModel convertFromDataObject(PromoDO promoDO) {
+        if (promoDO == null) {
+            return null;
+        }
+        PromoModel promoModel = new PromoModel();
+        BeanUtils.copyProperties(promoDO, promoModel);
+        promoModel.setStartDate(new DateTime(promoDO.getStartDate()));
+        promoModel.setEndDate(new DateTime(promoDO.getEndDate()));
+
+        return promoModel;
+    }
+}

src/main/java/com/cxyxiaomo/flashsale/service/model/ItemModel.java

@@ -33,6 +33,10 @@ public class ItemModel {
     @NotBlank(message = "商品描述图片不能为空")
     private String imgUrl;
 
+    // 使用聚合模型
+    // 如果promoModel不为空，则表示其还有未结束的秒杀活动
+    private PromoModel promoModel;
+
     public Integer getId() {
         return id;
     }
@@ -88,4 +92,12 @@ public class ItemModel {
     public void setImgUrl(String imgUrl) {
         this.imgUrl = imgUrl;
     }
+
+    public PromoModel getPromoModel() {
+        return promoModel;
+    }
+
+    public void setPromoModel(PromoModel promoModel) {
+        this.promoModel = promoModel;
+    }
 }

src/main/java/com/cxyxiaomo/flashsale/service/model/PromoModel.java

@@ -3,7 +3,6 @@ package com.cxyxiaomo.flashsale.service.model;
 import org.joda.time.DateTime;
 
 import java.math.BigDecimal;
-import java.util.Date;
 
 public class PromoModel {
 
@@ -15,12 +14,19 @@ public class PromoModel {
     // 活动开始时间
     private DateTime startDate;
 
+    // 活动结束时间
+    private DateTime endDate;
+
     // 秒杀活动适用商品
     private Integer itemId;
 
     // 秒杀活动的价格
     private BigDecimal promoPrice;
 
+    // 秒杀活动状态
+    // 1：还未开始  2：进行中  3：已结束
+    private Integer status;
+
     public Integer getId() {
         return id;
     }
@@ -45,6 +51,14 @@ public class PromoModel {
         this.startDate = startDate;
     }
 
+    public DateTime getEndDate() {
+        return endDate;
+    }
+
+    public void setEndDate(DateTime endDate) {
+        this.endDate = endDate;
+    }
+
     public Integer getItemId() {
         return itemId;
     }
@@ -60,4 +74,12 @@ public class PromoModel {
     public void setPromoPrice(BigDecimal promoPrice) {
         this.promoPrice = promoPrice;
     }
+
+    public Integer getStatus() {
+        return status;
+    }
+
+    public void setStatus(Integer status) {
+        this.status = status;
+    }
 }

src/main/resources/mapping/PromoDOMapper.xml

@@ -5,11 +5,12 @@
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Sat Mar 05 12:40:27 CST 2022.
+      This element was generated on Sat Mar 05 12:55:23 CST 2022.
     -->
     <id column="id" jdbcType="INTEGER" property="id" />
     <result column="promo_name" jdbcType="VARCHAR" property="promoName" />
     <result column="start_date" jdbcType="TIMESTAMP" property="startDate" />
+    <result column="end_date" jdbcType="TIMESTAMP" property="endDate" />
     <result column="item_id" jdbcType="INTEGER" property="itemId" />
     <result column="prome_item_price" jdbcType="DECIMAL" property="promeItemPrice" />
   </resultMap>
@@ -17,15 +18,15 @@
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Sat Mar 05 12:40:27 CST 2022.
+      This element was generated on Sat Mar 05 12:55:23 CST 2022.
     -->
-    id, promo_name, start_date, item_id, prome_item_price
+    id, promo_name, start_date, end_date, item_id, prome_item_price
   </sql>
   <select id="selectByPrimaryKey" parameterType="java.lang.Integer" resultMap="BaseResultMap">
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Sat Mar 05 12:40:27 CST 2022.
+      This element was generated on Sat Mar 05 12:55:23 CST 2022.
     -->
     select 
     <include refid="Base_Column_List" />
@@ -36,7 +37,7 @@
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Sat Mar 05 12:40:27 CST 2022.
+      This element was generated on Sat Mar 05 12:55:23 CST 2022.
     -->
     delete from promo_info
     where id = #{id,jdbcType=INTEGER}
@@ -45,18 +46,20 @@
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Sat Mar 05 12:40:27 CST 2022.
+      This element was generated on Sat Mar 05 12:55:23 CST 2022.
     -->
     insert into promo_info (id, promo_name, start_date, 
-      item_id, prome_item_price)
+      end_date, item_id, prome_item_price
+      )
     values (#{id,jdbcType=INTEGER}, #{promoName,jdbcType=VARCHAR}, #{startDate,jdbcType=TIMESTAMP}, 
-      #{itemId,jdbcType=INTEGER}, #{promeItemPrice,jdbcType=DECIMAL})
+      #{endDate,jdbcType=TIMESTAMP}, #{itemId,jdbcType=INTEGER}, #{promeItemPrice,jdbcType=DECIMAL}
+      )
   </insert>
   <insert id="insertSelective" parameterType="com.cxyxiaomo.flashsale.dataobject.PromoDO">
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Sat Mar 05 12:40:27 CST 2022.
+      This element was generated on Sat Mar 05 12:55:23 CST 2022.
     -->
     insert into promo_info
     <trim prefix="(" suffix=")" suffixOverrides=",">
@@ -69,6 +72,9 @@
       <if test="startDate != null">
         start_date,
       </if>
+      <if test="endDate != null">
+        end_date,
+      </if>
       <if test="itemId != null">
         item_id,
       </if>
@@ -86,6 +92,9 @@
       <if test="startDate != null">
         #{startDate,jdbcType=TIMESTAMP},
       </if>
+      <if test="endDate != null">
+        #{endDate,jdbcType=TIMESTAMP},
+      </if>
       <if test="itemId != null">
         #{itemId,jdbcType=INTEGER},
       </if>
@@ -98,7 +107,7 @@
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Sat Mar 05 12:40:27 CST 2022.
+      This element was generated on Sat Mar 05 12:55:23 CST 2022.
     -->
     update promo_info
     <set>
@@ -108,6 +117,9 @@
       <if test="startDate != null">
         start_date = #{startDate,jdbcType=TIMESTAMP},
       </if>
+      <if test="endDate != null">
+        end_date = #{endDate,jdbcType=TIMESTAMP},
+      </if>
       <if test="itemId != null">
         item_id = #{itemId,jdbcType=INTEGER},
       </if>
@@ -121,13 +133,20 @@
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
-      This element was generated on Sat Mar 05 12:40:27 CST 2022.
+      This element was generated on Sat Mar 05 12:55:23 CST 2022.
     -->
     update promo_info
     set promo_name = #{promoName,jdbcType=VARCHAR},
       start_date = #{startDate,jdbcType=TIMESTAMP},
+      end_date = #{endDate,jdbcType=TIMESTAMP},
       item_id = #{itemId,jdbcType=INTEGER},
       prome_item_price = #{promeItemPrice,jdbcType=DECIMAL}
     where id = #{id,jdbcType=INTEGER}
   </update>
+  <select id="selectByItemId" resultMap="BaseResultMap">
+    select
+    <include refid="Base_Column_List" />
+    from promo_info
+    where item_id = #{itemId,jdbcType=INTEGER}
+  </select>
 </mapper>

src/main/resources/mybatis-generator.xml

@@ -59,9 +59,9 @@
         <!--<table tableName="sequence_info" domainObjectName="SequenceDO" enableCountByExample="false"-->
         <!--       enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false"-->
         <!--       selectByExampleQueryId="false"></table>-->
-        <table tableName="promo_info" domainObjectName="PromoDO" enableCountByExample="false"
+        <!--<table tableName="promo_info" domainObjectName="PromoDO" enableCountByExample="false"-->
-               enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false"
+        <!--       enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false"-->
-               selectByExampleQueryId="false"></table>
+        <!--       selectByExampleQueryId="false"></table>-->
 
     </context>
 </generatorConfiguration>