医案推荐书籍

src/main/java/com/peanut/modules/book/controller/BookMedicalRecordsController.java

@@ -59,9 +59,10 @@ public class BookMedicalRecordsController {
     @RequestMapping("/recommendBookList")
     public R recommendBookList(@RequestBody Map<String, Object> params){
         List<BookEntity> list = bookMedicalRecordsService.getBooks(params);
+        int count = bookMedicalRecordsService.getCount((Integer) params.get("userId"));
         Page<BookEntity> page = new Page<>();
         page.setRecords(list);
-        page.setTotal(list.size());
+        page.setTotal(count);
         page.setPages((int)Math.ceil(list.size()/page.getSize()));
         return R.ok().put("page", page);
     }

src/main/java/com/peanut/modules/book/dao/BookMedicalRecordsDao.java

@@ -15,4 +15,6 @@ public interface BookMedicalRecordsDao extends MPJBaseMapper<BookMedicalRecordsE
 
     List<BookEntity> getBooks(Integer page,Integer limit,Integer userId);
 
+    int getCount(Integer userId);
+
 }

src/main/java/com/peanut/modules/book/service/BookMedicalRecordsService.java

@@ -14,4 +14,6 @@ public interface BookMedicalRecordsService extends IService<BookMedicalRecordsEn
 
     List<BookEntity> getBooks(Map<String, Object> params);
 
+    int getCount(Integer userId);
+
 }

src/main/java/com/peanut/modules/book/service/impl/BookMedicalRecordsServiceImpl.java

@@ -30,4 +30,9 @@ public class BookMedicalRecordsServiceImpl extends ServiceImpl<BookMedicalRecord
         return dao.getBooks((page-1)*limit,limit
                 ,(Integer)params.get("userId"));
     }
+
+    @Override
+    public int getCount(Integer userId) {
+        return dao.getCount(userId);
+    }
 }

src/main/resources/mapper/book/BookMedicalRecordsDao.xml

@@ -23,4 +23,12 @@
         limit #{page},#{limit}
     </select>
 
+    <select id="getCount" parameterType="int" resultType="int">
+        select count(*) from (
+            select distinct book_id from  book_medical_records bmr
+            left join book b on bmr.book_id = b.id
+            where bmr.book_id not in (select book_id from user_ebook_buy where user_id = #{userId})
+            and b.del_flag = 0 and b.state = 1) t
+    </select>
+
 </mapper>