Herding_Hub/chenhai-system/src/main/resources/mapper/vet/VetTrainingVideoMapper.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.chenhai.vet.mapper.VetTrainingVideoMapper">
    
    <resultMap type="VetTrainingVideo" id="VetTrainingVideoResult">
        <result property="id"    column="id"    />
        <result property="userId"    column="user_id"    />
        <result property="title"    column="title"    />
        <result property="description"    column="description"    />
        <result property="videoUrl"    column="video_url"    />
        <result property="coverImage"    column="cover_image"    />
        <result property="category"    column="category"    />
        <result property="tags"    column="tags"    />
        <result property="duration"    column="duration"    />
        <result property="fileSize"    column="file_size"    />
        <result property="viewCount"    column="view_count"    />
        <result property="status"    column="status"    />
        <result property="createTime"    column="create_time"    />
        <result property="updateTime"    column="update_time"    />
        <result property="delFlag"    column="del_flag"    />
        <result property="auditStatus"    column="audit_status"    />
        <result property="auditOpinion"    column="audit_opinion"    />
        <result property="auditUserId"    column="audit_user_id"    />
        <result property="auditTime"    column="audit_time"    />
        <result property="publisherName" column="publisher_name" />
        <result property="publisherAvatar" column="publisher_avatar" />
        <result property="publishTime"    column="publish_time"    />
    </resultMap>

    <sql id="selectVetTrainingVideoVo">
        SELECT
        v.id,
        v.user_id,
        v.title,
        v.description,
        v.video_url,
        v.cover_image,
        v.category,
        v.tags,
        v.duration,
        v.file_size,
        v.view_count,
        v.status,
        v.create_time,
        v.update_time,
        v.del_flag,
        v.audit_status,
        v.audit_opinion,
        v.audit_user_id,
        v.audit_time,
        v.publish_time,
        u.nick_name as publisher_name,  <!-- 使用用户的昵称作为发布者姓名 -->
        u.avatar as publisher_avatar
        FROM vet_training_video v
        LEFT JOIN sys_user u ON v.user_id = u.user_id
    </sql>


    <select id="selectVetTrainingVideoList" parameterType="VetTrainingVideo" resultMap="VetTrainingVideoResult">
        <include refid="selectVetTrainingVideoVo"/>
        <where>
            <!-- 使用表别名 v. 来明确指定字段来源 -->
            <if test="userId != null "> and v.user_id = #{userId}</if>
            <if test="title != null  and title != ''">
                <bind name="titleLike" value="'%' + title + '%'" />
                and v.title like #{titleLike}
            </if>
            <if test="description != null  and description != ''">
                <bind name="descriptionLike" value="'%' + description + '%'" />
                and v.description like #{descriptionLike}
            </if>
            <if test="videoUrl != null  and videoUrl != ''"> and v.video_url = #{videoUrl}</if>
            <if test="coverImage != null  and coverImage != ''"> and v.cover_image = #{coverImage}</if>
            <if test="category != null  and category != ''"> and v.category = #{category}</if>
            <if test="tags != null  and tags != ''">
                <bind name="tagsLike" value="'%' + tags + '%'" />
                and v.tags like #{tagsLike}
            </if>
            <if test="duration != null "> and v.duration = #{duration}</if>
            <if test="fileSize != null "> and v.file_size = #{fileSize}</if>
            <if test="viewCount != null "> and v.view_count = #{viewCount}</if>
            <if test="status != null  and status != ''"> and v.status = #{status}</if>
            <if test="delFlag != null  and delFlag != ''"> and v.del_flag = #{delFlag}</if>
            <if test="auditStatus != null  and auditStatus != ''"> and v.audit_status = #{auditStatus}</if>
            <if test="auditOpinion != null  and auditOpinion != ''">
                <bind name="opinionLike" value="'%' + auditOpinion + '%'" />
                and v.audit_opinion like #{opinionLike}
            </if>
            <if test="auditUserId != null "> and v.audit_user_id = #{auditUserId}</if>
            <if test="auditTime != null "> and v.audit_time = #{auditTime}</if>
            <if test="publisherName != null  and publisherName != ''">
                <bind name="publisherLike" value="'%' + publisherName + '%'" />
                and u.nick_name like #{publisherLike}
            </if>
            <!-- 搜索关键词：同时搜索标题、描述、标签、发布者姓名 -->
            <if test="searchKey != null  and searchKey != ''">
                <bind name="searchKeyLike" value="'%' + searchKey + '%'" />
                and (
                v.title like #{searchKeyLike}
                or v.description like #{searchKeyLike}
                or v.tags like #{searchKeyLike}
                or v.category like #{searchKeyLike}
                or u.nick_name like #{searchKeyLike}
                )
            </if>
            <if test="publishTime != null "> and v.publish_time = #{publishTime}</if>
        </where>
    </select>
    
    <select id="selectVetTrainingVideoById" parameterType="Long" resultMap="VetTrainingVideoResult">
        <include refid="selectVetTrainingVideoVo"/>
        where id = #{id}
    </select>

    <insert id="insertVetTrainingVideo" parameterType="VetTrainingVideo" useGeneratedKeys="true" keyProperty="id">
        insert into vet_training_video
        <trim prefix="(" suffix=")" suffixOverrides=",">
            <if test="userId != null">user_id,</if>
            <if test="title != null and title != ''">title,</if>
            <if test="description != null">description,</if>
            <if test="videoUrl != null and videoUrl != ''">video_url,</if>
            <if test="coverImage != null">cover_image,</if>
            <if test="category != null">category,</if>
            <if test="tags != null">tags,</if>
            <if test="duration != null">duration,</if>
            <if test="fileSize != null">file_size,</if>
            <if test="viewCount != null">view_count,</if>
            <if test="status != null">status,</if>
            <if test="createTime != null">create_time,</if>
            <if test="updateTime != null">update_time,</if>
            <if test="delFlag != null">del_flag,</if>
            <if test="auditStatus != null">audit_status,</if>
            <if test="auditOpinion != null">audit_opinion,</if>
            <if test="auditUserId != null">audit_user_id,</if>
            <if test="auditTime != null">audit_time,</if>
            <if test="publishTime != null">publish_time,</if>
         </trim>
        <trim prefix="values (" suffix=")" suffixOverrides=",">
            <if test="userId != null">#{userId},</if>
            <if test="title != null and title != ''">#{title},</if>
            <if test="description != null">#{description},</if>
            <if test="videoUrl != null and videoUrl != ''">#{videoUrl},</if>
            <if test="coverImage != null">#{coverImage},</if>
            <if test="category != null">#{category},</if>
            <if test="tags != null">#{tags},</if>
            <if test="duration != null">#{duration},</if>
            <if test="fileSize != null">#{fileSize},</if>
            <if test="viewCount != null">#{viewCount},</if>
            <if test="status != null">#{status},</if>
            <if test="createTime != null">#{createTime},</if>
            <if test="updateTime != null">#{updateTime},</if>
            <if test="delFlag != null">#{delFlag},</if>
            <if test="auditStatus != null">#{auditStatus},</if>
            <if test="auditOpinion != null">#{auditOpinion},</if>
            <if test="auditUserId != null">#{auditUserId},</if>
            <if test="auditTime != null">#{auditTime},</if>
            <if test="publishTime != null">#{publishTime},</if>
         </trim>
    </insert>

    <update id="updateVetTrainingVideo" parameterType="VetTrainingVideo">
        update vet_training_video
        <trim prefix="SET" suffixOverrides=",">
            <if test="userId != null">user_id = #{userId},</if>
            <if test="title != null and title != ''">title = #{title},</if>
            <if test="description != null">description = #{description},</if>
            <if test="videoUrl != null and videoUrl != ''">video_url = #{videoUrl},</if>
            <if test="coverImage != null">cover_image = #{coverImage},</if>
            <if test="category != null">category = #{category},</if>
            <if test="tags != null">tags = #{tags},</if>
            <if test="duration != null">duration = #{duration},</if>
            <if test="fileSize != null">file_size = #{fileSize},</if>
            <if test="viewCount != null">view_count = #{viewCount},</if>
            <if test="status != null">status = #{status},</if>
            <if test="createTime != null">create_time = #{createTime},</if>
            <if test="updateTime != null">update_time = #{updateTime},</if>
            <if test="delFlag != null">del_flag = #{delFlag},</if>
            <if test="auditStatus != null">audit_status = #{auditStatus},</if>
            <if test="auditOpinion != null">audit_opinion = #{auditOpinion},</if>
            <if test="auditUserId != null">audit_user_id = #{auditUserId},</if>
            <if test="auditTime != null">audit_time = #{auditTime},</if>
            <if test="publishTime != null">publish_time = #{publishTime},</if>
        </trim>
        where id = #{id}
    </update>

    <delete id="deleteVetTrainingVideoById" parameterType="Long">
        delete from vet_training_video where id = #{id}
    </delete>

    <delete id="deleteVetTrainingVideoByIds" parameterType="String">
        delete from vet_training_video where id in 
        <foreach item="id" collection="array" open="(" separator="," close=")">
            #{id}
        </foreach>
    </delete>

    <!-- 查询公开视频列表（已上架且已审核通过） -->
    <select id="selectPublicVideoList" parameterType="VetTrainingVideo" resultMap="VetTrainingVideoResult">
        <include refid="selectVetTrainingVideoVo"/>
        <where>
            <!-- 强制条件：已上架、审核通过、未删除 -->
            and v.status = '1'
            and v.audit_status = '2'
            and v.del_flag = '0'

            <!-- 可选查询条件 -->
            <if test="userId != null "> and v.user_id = #{userId}</if>
            <if test="title != null  and title != ''">
                <bind name="titleLike" value="'%' + title + '%'" />
                and v.title like #{titleLike}
            </if>
            <if test="description != null  and description != ''">
                <bind name="descriptionLike" value="'%' + description + '%'" />
                and v.description like #{descriptionLike}
            </if>
            <if test="category != null  and category != ''"> and v.category = #{category}</if>
            <if test="tags != null  and tags != ''">
                <bind name="tagsLike" value="'%' + tags + '%'" />
                and v.tags like #{tagsLike}
            </if>
            <if test="publisherName != null  and publisherName != ''">
                <bind name="publisherLike" value="'%' + publisherName + '%'" />
                and u.nick_name like #{publisherLike}
            </if>
            <!-- 搜索关键词：同时搜索标题、描述、标签、发布者姓名 -->
            <if test="searchKey != null  and searchKey != ''">
                <bind name="searchKeyLike" value="'%' + searchKey + '%'" />
                and (
                v.title like #{searchKeyLike}
                or v.description like #{searchKeyLike}
                or v.tags like #{searchKeyLike}
                or v.category like #{searchKeyLike}
                or u.nick_name like #{searchKeyLike}
                )
            </if>
            <if test="publishTime != null "> and v.publish_time = #{publishTime}</if>
        </where>
        <!-- 默认按创建时间倒序排列 -->
        order by v.create_time desc
    </select>
</mapper>