优化和完善批量删除动态功能

实现动态软删除，被删除的动态的状态将改为3，将动态关联的评论，点赞，收藏硬删除

src/main/resources/com/bao/dating/mapper/CommentsMapper.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.bao.dating.mapper.CommentsMapper">
+
+    <!-- 批量删除动态下的所有评论 -->
+    <delete id="deleteCommentsByPostIds">
+        DELETE FROM comments
+        WHERE post_id IN
+        <foreach collection="postIds" item="postId" open="(" close=")" separator=",">
+            #{postId}
+        </foreach>
+    </delete>
+
+</mapper>

src/main/resources/com/bao/dating/mapper/PostFavoriteMapper.xml

@@ -14,4 +14,14 @@
     <select id="selectUserIDByPostID" resultType="java.lang.Long">
         SELECT user_id FROM post_favorite WHERE post_id = #{postId}
     </select>
+
+    <!--批量删除动态收藏-->
+    <delete id="deleteFavoritesByPostIds">
+        DELETE FROM post_favorite
+        WHERE post_id IN
+        <foreach collection="postIds" item="postId" open="(" close=")" separator=",">
+            #{postId}
+        </foreach>
+    </delete>
+
 </mapper>

src/main/resources/com/bao/dating/mapper/PostLikeMapper.xml

@@ -14,4 +14,14 @@
     <delete id="deleteByPostIdAndUserId">
         delete from dating.post_like where post_id = #{postId} and user_id = #{userId}
     </delete>
+
+    <!--批量删除点赞记录-->
+    <delete id="deleteLikesByPostIds">
+        DELETE FROM post_like
+        WHERE post_id IN
+        <foreach collection="postIds" item="postId" open="(" close=")" separator=",">
+            #{postId}
+        </foreach>
+    </delete>
+
 </mapper>

src/main/resources/com/bao/dating/mapper/PostMapper.xml

@@ -28,25 +28,19 @@
          #{isPublic}, 0, 0, #{createdAt}, #{updatedAt})
     </insert>
 
-    <!--动态删除-->
-    <delete id="deletePostByIds">
-        DELETE FROM post WHERE post_id IN
+    <!--修改动态状态-->
+    <update id="updatePublicById">
+        UPDATE post
+        <set>
+            is_public = 3,
+            updated_at = NOW()
+        </set>
+        WHERE post_id IN
         <foreach item="postId" index="index" collection="postIds" separator="," open="(" close=")">
             #{postId}
         </foreach>
-    </delete>
-    <!--删除收藏记录-->
-    <delete id="1">
-        DELETE FROM post_favorite WHERE post_id = #{postId}
-    </delete>
-    <!--删除点赞记录-->
-    <delete id="2">
-        DELETE FROM post_like WHERE post_id = #{postId}
-    </delete>
-    <!--动态评论删除-->
-    <delete id="3">
-        DELETE FROM comments WHERE post_id = #{postId}
-    </delete>
+        AND user_id = #{userId}
+    </update>
 
     <!--动态查询-->
     <resultMap id="PostResultMap" type="com.bao.dating.pojo.entity.Post">