ruoyi-admin/src/main/resources/mapper/post/PostFavoriteMapper.xml

<?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.ruoyi.web.controller.post.mapper.PostFavoriteMapper">
    
    <resultMap type="PostFavorite" id="PostFavoriteResult">
        <id     property="favoriteId"   column="favorite_id"   />
        <result property="postId"       column="post_id"       />
        <result property="userId"       column="user_id"       />
        <result property="postTitle"    column="post_title"    />
        <result property="postCover"    column="post_cover"    />
        <result property="status"       column="status"        />
        <result property="createBy"     column="create_by"     />
        <result property="createTime"   column="create_time"   />
        <result property="updateBy"     column="update_by"     />
        <result property="updateTime"   column="update_time"   />
        <result property="remark"       column="remark"        />
    </resultMap>
    
    <sql id="selectPostFavoriteVo">
        select favorite_id, post_id, user_id, post_title, post_cover, status,
            create_by, create_time, update_by, update_time, remark
        from post_favorite
    </sql>
    
    <select id="selectPostFavoriteList" parameterType="PostFavorite" resultMap="PostFavoriteResult">
        <include refid="selectPostFavoriteVo"/>
        <where>
            <if test="postId != null">
                AND post_id = #{postId}
            </if>
            <if test="userId != null">
                AND user_id = #{userId}
            </if>
            <if test="status != null and status != ''">
                AND status = #{status}
            </if>
        </where>
        order by create_time desc
    </select>
    
    <select id="selectPostFavoriteById" parameterType="Long" resultMap="PostFavoriteResult">
        <include refid="selectPostFavoriteVo"/>
        where favorite_id = #{favoriteId}
    </select>
    
    <select id="selectPostFavoriteByPostIdAndUserId" resultMap="PostFavoriteResult">
        <include refid="selectPostFavoriteVo"/>
        where post_id = #{postId} and user_id = #{userId}
    </select>
    
    <insert id="insertPostFavorite" parameterType="PostFavorite" useGeneratedKeys="true" keyProperty="favoriteId">
        insert into post_favorite (
            post_id,
            user_id,
            post_title,
            post_cover,
            status,
            create_by,
            create_time,
            update_by,
            update_time,
            remark
        ) values (
            #{postId},
            #{userId},
            #{postTitle},
            #{postCover},
            #{status},
            #{createBy},
            now(),
            #{updateBy},
            now(),
            #{remark}
        )
    </insert>
    
    <update id="updatePostFavorite" parameterType="PostFavorite">
        update post_favorite
        <set>
            <if test="status != null and status != ''">status = #{status},</if>
            <if test="updateBy != null and updateBy != ''">update_by = #{updateBy},</if>
            update_time = now(),
            <if test="remark != null">remark = #{remark},</if>
        </set>
        where favorite_id = #{favoriteId}
    </update>
    
    <delete id="deletePostFavoriteById" parameterType="Long">
        delete from post_favorite where favorite_id = #{favoriteId}
    </delete>
    
    <delete id="deletePostFavoriteByIds" parameterType="Long">
        delete from post_favorite where favorite_id in 
        <foreach collection="array" item="favoriteId" open="(" separator="," close=")">
            #{favoriteId}
        </foreach>
    </delete>
    
    <delete id="deletePostFavoriteByPostId" parameterType="Long">
        delete from post_favorite where post_id = #{postId}
    </delete>
    
    <update id="cancelPostFavorite">
        update post_favorite set status = '1', update_time = now() 
        where post_id = #{postId} and user_id = #{userId}
    </update>
    
</mapper>