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code/link56/link56-backend/src/main/resources/cn/link56/post/mapper/PostMapper.xml

@@ -4,8 +4,8 @@
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="cn.link56.post.mapper.PostMapper">
 
-    <resultMap id="QueryPostVOMap"
-               type="cn.link56.post.model.vo.QueryPostVO">
+    <resultMap id="QueryEditorPostVOMap"
+               type="cn.link56.post.model.vo.QueryEditorPostVO">
         <id property="id" column="id"/>
         <result property="title" column="title"/>
 
@@ -25,7 +25,27 @@
         <result property="commentCount" column="commentCount"/>
     </resultMap>
 
-    <select id="selectPostPage" resultMap="QueryPostVOMap">
+    <resultMap id="QueryPublicPostVOMap"
+               type="cn.link56.post.model.vo.QueryPublicPostVO">
+        <id property="id" column="id"/>
+        <result property="title" column="title"/>
+
+        <!-- tags 字符串 → List<String> -->
+        <result
+                property="tags"
+                column="tagsString"
+                typeHandler="cn.link56.common.mybatis.StringListTypeHandler"/>
+
+        <result property="companyId" column="companyId"/>
+        <result property="companyName" column="companyName"/>
+
+        <result property="viewCount" column="viewCount"/>
+        <result property="commentCount" column="commentCount"/>
+
+        <result property="activeTime" column="activeTime"/>
+    </resultMap>
+
+    <select id="selectEditorPostPage" resultMap="QueryEditorPostVOMap">
         SELECT *
         FROM (
         SELECT
@@ -68,7 +88,7 @@
         WHERE t.rn BETWEEN #{offset} AND #{limit}
     </select>
 
-    <select id="selectPostTotal" resultType="java.lang.Long">
+    <select id="selectEditorPostTotal" resultType="java.lang.Long">
         SELECT COUNT(*)
         FROM b_post p
         <where>
@@ -94,7 +114,7 @@
         </where>
     </select>
 
-    <select id="selectDashboardOverview" resultType="cn.link56.post.model.vo.DashboardVO$Count">
+    <select id="selectDashboardOverview" resultType="cn.link56.post.model.vo.EditorDashboardVO$Count">
         SELECT
         (SELECT COUNT(*) FROM b_post WHERE b_create_by = #{userId}) AS postCount,
         (SELECT COUNT(*) FROM b_post_view WHERE b_post_id IN (SELECT b_id FROM b_post WHERE b_create_by = #{userId})) AS viewCount,
@@ -102,7 +122,7 @@
         (SELECT COUNT(*) FROM b_post_favorite WHERE b_post_id IN (SELECT b_id FROM b_post WHERE b_create_by = #{userId})) AS favoriteCount
     </select>
 
-    <select id="selectDashboardViewStats" resultType="cn.link56.post.model.vo.DashboardVO$Chart">
+    <select id="selectDashboardViewStats" resultType="cn.link56.post.model.vo.EditorDashboardVO$Chart">
         SELECT
         CONVERT(VARCHAR(10), v.b_create_time, 120) AS label,
         COUNT(*) AS value
@@ -115,7 +135,7 @@
         ORDER BY label
     </select>
 
-    <select id="selectDashboardNumberStats" resultType="cn.link56.post.model.vo.DashboardVO$Chart">
+    <select id="selectDashboardNumberStats" resultType="cn.link56.post.model.vo.EditorDashboardVO$Chart">
         SELECT
         CONVERT(VARCHAR(10), p.b_create_time, 120) AS label,
         COUNT(*) AS value
@@ -127,4 +147,61 @@
         ORDER BY label
     </select>
 
+
+    <select id="selectPublicPostPage" resultMap="QueryPublicPostVOMap">
+        SELECT
+            t.id,
+            t.title,
+            t.tagsString,
+            t.companyId,
+            t.companyName,
+            t.viewCount,
+            t.commentCount,
+            t.activeTime
+        FROM (
+        SELECT
+            p.b_id AS id,
+            p.b_title AS title,
+            p.b_tag AS tagsString,
+            p.company_id AS companyId,
+            bc.b_name AS companyName,
+
+            ISNULL(pv.viewCount, 0) AS viewCount,
+            ISNULL(pc.commentCount, 0) AS commentCount,
+
+            -- 活跃时间：最后评论时间优先
+            ISNULL(pc.lastCommentTime, p.b_update_time) AS activeTime,
+
+            ROW_NUMBER() OVER (
+            ORDER BY ISNULL(pc.lastCommentTime, p.b_update_time) DESC
+            ) AS rn
+            FROM b_post p
+            LEFT JOIN b_company bc ON bc.b_id = p.company_id
+            LEFT JOIN (
+            SELECT
+                b_post_id,
+                COUNT(1) AS viewCount
+                FROM b_post_view
+                GROUP BY b_post_id
+            ) pv ON pv.b_post_id = p.b_id
+            LEFT JOIN (
+                SELECT
+                b_post_id,
+                COUNT(1) AS commentCount,
+                MAX(b_create_time) AS lastCommentTime
+                FROM b_post_comment
+                GROUP BY b_post_id
+            ) pc ON pc.b_post_id = p.b_id
+            <where>
+                <if test="title != null and title != ''">
+                    AND p.b_title LIKE '%' + #{title} + '%'
+                </if>
+                <if test="tag != null and tag != -1">
+                    AND p.b_tag LIKE '%' + #{tag} + '%'
+                </if>
+            </where>
+        ) t
+        WHERE t.rn BETWEEN #{offset} AND #{limit}
+    </select>
+
 </mapper>