学习进度统计

schoolNewsServ/study/src/main/resources/mapper/LearningRecordMapper.xml

@@ -357,4 +357,9 @@
         LIMIT 10
     </select>
 
+    <!-- getTaskStaticByTag --> 
+
+    <select id="getTaskStaticByTag">
+        
+    </select>
 </mapper>

schoolNewsServ/study/src/main/resources/mapper/LearningTaskMapper.xml

@@ -352,4 +352,22 @@
             </if>
     </select>
 
+    <!-- getTaskStaticByTag：按标签统计当前用户在时间范围内任务的平均完成进度 --> 
+
+    <select id="getTaskStaticByTag" resultType="java.util.Map">
+        SELECT 
+            tt.name        AS tagName,
+            AVG(tu.progress) AS avgProgress
+        FROM tb_learning_task t
+        LEFT JOIN tb_task_user tu ON t.task_id = tu.task_id 
+        LEFT JOIN tb_learning_task_tag tlt ON t.task_id = tlt.task_id
+        LEFT JOIN tb_tag tt ON tlt.tag_id = tt.tag_id
+        <include refid="Permission_Filter"/>
+        WHERE t.deleted = 0
+          AND tu.deleted = 0
+          AND tu.user_id = #{userId}
+          AND tu.progress IS NOT NULL
+          AND t.create_time BETWEEN #{filter.startTime} AND #{filter.endTime}
+        GROUP BY tt.tag_id, tt.name
+    </select>
 </mapper>