肖海南最新收藏

src/main/java/com/teaching/backend/controller/courses/CoursesController.java

@@ -141,7 +141,6 @@ public class CoursesController {
     }
 
     @ApiOperation("查询学生列表")
-//    @ValidateParams({"username"})
     @PostMapping("/studentList")
     public CommonResult<HashSet<UmsStudent>> getStudentList(CourseQuery courseQuery){
         HashSet<UmsStudent> umsStudentList = coursesService.queryStudentList(courseQuery);

src/main/java/com/teaching/backend/controller/favour/SeCourseFavourController.java

@@ -3,6 +3,7 @@ package com.teaching.backend.controller.favour;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.teaching.backend.common.BaseResponse;
+import com.teaching.backend.common.CommonResult;
 import com.teaching.backend.common.ErrorCode;
 import com.teaching.backend.common.ResultUtils;
 import com.teaching.backend.exception.BusinessException;
@@ -10,14 +11,13 @@ import com.teaching.backend.model.dto.favour.courseFavour.CourseFavourAddRequest
 import com.teaching.backend.model.dto.favour.courseFavour.CourseFavourAllRequest;
 import com.teaching.backend.model.dto.favour.courseFavour.CourseFavourQueryRequest;
 import com.teaching.backend.model.entity.courses.Courses;
+import com.teaching.backend.model.vo.courses.CoursesVO;
 import com.teaching.backend.model.vo.favour.CourseFavourDetailVO;
 import com.teaching.backend.service.favour.SeCourseFavourService;
+import io.swagger.annotations.ApiOperation;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import javax.annotation.Resource;
 import java.util.List;
@@ -92,5 +92,20 @@ public class SeCourseFavourController {
         return ResultUtils.success(courseFavourDetailVOPage);
     }
 
+    /**
+     * 获取最新收藏的课程
+     *
+     * @return
+     */
+    @ApiOperation("查询最新收藏")
+    @PostMapping("/newCollect")
+    public CommonResult<CoursesVO> newCollect(@RequestParam String userId) {
+        CoursesVO newCoursesVO = seCourseFavourService.queryNewCollect(userId);
+        if (newCoursesVO == null){
+            CommonResult.failed();
+        }
+        return CommonResult.success(newCoursesVO);
+    }
 
 }
+

src/main/java/com/teaching/backend/mapper/favour/SeCourseFavourMapper.java

@@ -1,6 +1,7 @@
 package com.teaching.backend.mapper.favour;
 
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.teaching.backend.model.entity.courses.Courses;
 import com.teaching.backend.model.entity.favour.SeCourseFavour;
 
 /**
@@ -8,6 +9,10 @@ import com.teaching.backend.model.entity.favour.SeCourseFavour;
  */
 public interface SeCourseFavourMapper extends BaseMapper<SeCourseFavour> {
 
+
+    String queryAllNewCollectCourse();
+
+    String queryStudentNewCollectCourse(String userId);
 }
 
 

src/main/java/com/teaching/backend/mapper/umsAdmin/UmsUserMapper.java

@@ -19,4 +19,5 @@ public interface UmsUserMapper extends BaseMapper<UmsUser> {
 
     UmsStudentVO getByIdStudent(String id);
 
+    String getbyIdRoleId(String userId);
 }

src/main/java/com/teaching/backend/service/favour/SeCourseFavourService.java

@@ -6,6 +6,7 @@ import com.baomidou.mybatisplus.extension.service.IService;
 import com.teaching.backend.common.BaseResponse;
 import com.teaching.backend.model.entity.courses.Courses;
 import com.teaching.backend.model.entity.favour.SeCourseFavour;
+import com.teaching.backend.model.vo.courses.CoursesVO;
 import com.teaching.backend.model.vo.favour.CourseFavourDetailVO;
 
 import java.util.List;
@@ -54,4 +55,11 @@ public interface SeCourseFavourService extends IService<SeCourseFavour> {
      */
     public Page<CourseFavourDetailVO> listCourseFavourByPage(Page<Courses> page, Wrapper<Courses> queryWrapper);
 
+    /**
+     * 获取最新收藏的课程
+     *
+     * @param userId
+     * @return
+     */
+    CoursesVO queryNewCollect(String userId);
 }

src/main/java/com/teaching/backend/service/impl/favour/SeCourseFavourServiceImpl.java

@@ -1,5 +1,6 @@
 package com.teaching.backend.service.impl.favour;
 
+import cn.hutool.core.bean.BeanUtil;
 import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.date.DateTime;
 import com.baomidou.mybatisplus.core.conditions.Wrapper;
@@ -12,10 +13,13 @@ import com.teaching.backend.common.ResultUtils;
 import com.teaching.backend.exception.BusinessException;
 import com.teaching.backend.mapper.courses.CoursesMapper;
 import com.teaching.backend.mapper.favour.SeCourseFavourMapper;
+import com.teaching.backend.mapper.umsAdmin.UmsUserMapper;
 import com.teaching.backend.model.entity.courses.Courses;
 import com.teaching.backend.model.entity.favour.SeCourseFavour;
 import com.teaching.backend.model.entity.favour.SeKnowFavour;
 import com.teaching.backend.model.entity.favour.SeResourceFavour;
+import com.teaching.backend.model.entity.umsAdmin.UmsUser;
+import com.teaching.backend.model.vo.courses.CoursesVO;
 import com.teaching.backend.model.vo.favour.CourseFavourDetailVO;
 import com.teaching.backend.service.courses.ICoursesService;
 import com.teaching.backend.service.favour.SeCourseFavourService;
@@ -52,6 +56,12 @@ public class SeCourseFavourServiceImpl extends ServiceImpl<SeCourseFavourMapper,
     @Autowired
     ICoursesService coursesService;
 
+    @Autowired
+    SeCourseFavourMapper seCourseFavourMapper;
+
+    @Autowired
+    UmsUserMapper umsUserMapper;
+
 
 
     @Override
@@ -145,5 +155,25 @@ public class SeCourseFavourServiceImpl extends ServiceImpl<SeCourseFavourMapper,
         return courseFavourVOPage;
     }
 
+    @Override
+    public CoursesVO queryNewCollect(String userId) {
+        String roleId = umsUserMapper.getbyIdRoleId(userId);
+        CoursesVO coursesVO = new CoursesVO();
+        if (roleId.equals("1")){
+            //老师
+            String courseId = seCourseFavourMapper.queryAllNewCollectCourse();
+            Courses courses = coursesMapper.selectById(courseId);
+            BeanUtil.copyProperties(courses,coursesVO);
+            return coursesVO;
+        }else if (roleId.equals("2")){
+            //学生
+            String courseId = seCourseFavourMapper.queryStudentNewCollectCourse(userId);
+            Courses courses = coursesMapper.selectById(courseId);
+            BeanUtil.copyProperties(courses,coursesVO);
+            return coursesVO;
+        }else {
+            return null;
+        }
+    }
 
 }

src/main/resources/mapper/SeCourseFavourMapper.xml

@@ -0,0 +1,27 @@
+<?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.teaching.backend.mapper.favour.SeCourseFavourMapper">
+
+    <select id="queryAllNewCollectCourse" resultType="java.lang.String"
+            parameterType="java.lang.String">
+        SELECT
+            scf.course_id courseId
+        FROM
+            se_course_favour scf
+        ORDER BY
+            createtime
+        DESC LIMIT 1;
+    </select>
+    <select id="queryStudentNewCollectCourse" resultType="java.lang.String">
+        SELECT
+            scf.course_id courseId
+        FROM
+            se_course_favour scf
+        WHERE
+            scf.user_id = #{userId}
+        ORDER BY
+            createtime
+                DESC LIMIT 1;
+    </select>
+
+</mapper>

src/main/resources/mapper/UmsUserMapper.xml

@@ -76,5 +76,13 @@
         WHERE
             s.user_id = #{id}
     </select>
+    <select id="getbyIdRoleId" parameterType="java.lang.String" resultType="java.lang.String">
+        SELECT
+            us.role_id roleId
+        FROM
+            ums_user us
+        WHERE
+            us.id = #{userId}
+    </select>
 
 </mapper>