消息通知系统

src/main/resources/mapper/primary/NotificationMapper.xml

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+<?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.ai.da.mapper.primary.NotificationMapper">
+
+    <select id="getTypeCount" resultType="java.util.Map">
+        SELECT type, count(id) as count
+        FROM `t_notification`
+        WHERE receiver_id = #{receiverId}
+        AND is_read = 0
+        GROUP BY type
+    </select>
+
+    <select id="getUniqueLikeAndFollow" resultType="com.ai.da.mapper.primary.entity.Notification">
+        SELECT *
+        FROM `t_notification`
+        WHERE type = #{type}
+        AND sender_id = #{senderId}
+        AND receiver_id = #{receiverId}
+        <if test="type == 'like'">
+            AND portfolio_id = #{portfolioId}
+        </if>
+        LIMIT 1
+    </select>
+
+    <update id="updateUniqueLikeAndFollow" >
+        UPDATE `t_notification`
+        SET
+            is_read = 0,
+            create_time = #{time},
+            update_time = #{time},
+            is_deleted = 0
+        WHERE id = #{id}
+    </update>
+
+    <update id="deleteNotification" >
+        UPDATE `t_notification`
+        SET
+            update_time = #{time},
+            is_deleted = 1
+        WHERE id = #{id}
+    </update>
+
+</mapper>