教师我的课程位置移动

doc/sql/mysql/tianze-pro.sql

@@ -28816,15 +28816,16 @@ alter table teacher_open_course_merge_student comment '课程开课-关联-学
 DROP TABLE IF EXISTS `teacher_open_course_merge_teacher`;
 CREATE TABLE `teacher_open_course_merge_teacher` (
   `teacher_open_course_merge_teacher_id` bigint(20) NOT NULL COMMENT '课程开课教师关联ID',
-  `teacher_open_course_id` bigint(20) NULL DEFAULT NULL COMMENT '课程开课ID',
+  `teacher_open_course_id` bigint(20) DEFAULT NULL COMMENT '课程开课ID',
-  `teacher_id` bigint(20) NULL DEFAULT NULL COMMENT '教师ID',
+  `teacher_id` bigint(20) DEFAULT NULL COMMENT '教师ID',
-  `teacher_open_course_merge_teacher_status` int(11) NULL DEFAULT NULL COMMENT '状态（1启用 2禁用）',
+  `teacher_open_course_merge_teacher_status` int(11) DEFAULT NULL COMMENT '状态（1启用 2禁用）',
-  `teacher_open_course_merge_teacher_add_time` datetime NULL DEFAULT NULL COMMENT '创建时间',
+  `teacher_open_course_merge_teacher_add_time` datetime DEFAULT NULL COMMENT '创建时间',
+  `teacher_open_course_merge_teacher_order_index` bigint(20) DEFAULT NULL COMMENT '排序',
   `teacher_open_course_merge_teacher_auth_code` varchar(10) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '教师开课授权码',
-  `org_id` bigint(20) NULL DEFAULT NULL COMMENT '组织ID',
+  `org_id` bigint(20) DEFAULT NULL COMMENT '组织ID',
-  `user_id` bigint(20) NULL DEFAULT NULL COMMENT '用户ID',
+  `user_id` bigint(20) DEFAULT NULL COMMENT '用户ID',
   PRIMARY KEY (`teacher_open_course_merge_teacher_id`) USING BTREE
-) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci COMMENT = '教师-课程开课-关联教师' ROW_FORMAT = DYNAMIC;
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 ROW_FORMAT=DYNAMIC COMMENT='教师-课程开课-关联教师';
 
 -- ----------------------------
 -- Records of teacher_open_course_merge_teacher

web/src/main/java/com/ibeetl/jlw/dao/TeacherOpenCourseMergeTeacherDao.java

@@ -2,6 +2,7 @@ package com.ibeetl.jlw.dao;
 
 import com.ibeetl.jlw.entity.TeacherOpenCourseMergeTeacher;
 import com.ibeetl.jlw.web.query.TeacherOpenCourseMergeTeacherQuery;
+import com.sun.istack.internal.NotNull;
 import org.beetl.sql.core.engine.PageQuery;
 import org.beetl.sql.mapper.BaseMapper;
 import org.beetl.sql.mapper.annotation.SqlResource;
@@ -23,4 +24,55 @@ public interface TeacherOpenCourseMergeTeacherDao extends BaseMapper<TeacherOpen
     public int updateGivenByIds(TeacherOpenCourseMergeTeacherQuery teacherOpenCourseMergeTeacherQuery);
     public List<TeacherOpenCourseMergeTeacher> getByIds(String ids);
     public List<TeacherOpenCourseMergeTeacher> getValuesByQuery(TeacherOpenCourseMergeTeacherQuery teacherOpenCourseMergeTeacherQuery);
+
+    /**
+     * 通过教师ID集合查询关联信息
+     * @param teacherId
+     * @return
+     */
+    default List<TeacherOpenCourseMergeTeacher> getListByTeacherId(@NotNull Long teacherId) {
+        return createLambdaQuery().andEq(TeacherOpenCourseMergeTeacher::getTeacherId, teacherId)
+                .andEq(TeacherOpenCourseMergeTeacher::getTeacherOpenCourseMergeTeacherStatus, 1)
+                .appendSql("order by teacher_open_course_merge_teacher_order_index desc ")
+                .select();
+    }
+
+    /**
+     * 通过教师ID集合查询关联信息
+     * @param teacherId
+     * @return
+     */
+    default TeacherOpenCourseMergeTeacher getOneByTeacherId(@NotNull Long teacherId) {
+        return createLambdaQuery().andEq(TeacherOpenCourseMergeTeacher::getTeacherId, teacherId)
+                .andEq(TeacherOpenCourseMergeTeacher::getTeacherOpenCourseMergeTeacherStatus, 1)
+                .appendSql("order by teacher_open_course_merge_teacher_order_index desc limit 1 ")
+                .unique();
+    }
+
+    /**
+     * 通过开课ID集合查询关联信息
+     * @param teacherOpenCourseId
+     * @return
+     */
+    default TeacherOpenCourseMergeTeacher getValueByTeacherOpenCourseId(@NotNull Long teacherOpenCourseId) {
+        return createLambdaQuery().andEq(TeacherOpenCourseMergeTeacher::getTeacherOpenCourseId, teacherOpenCourseId)
+                .andEq(TeacherOpenCourseMergeTeacher::getTeacherOpenCourseMergeTeacherStatus, 1)
+                .appendSql("order by teacher_open_course_merge_teacher_order_index desc limit 1 ")
+                .unique();
+    }
+
+    /**
+     * 通过老师ID查询最大的排序值
+     * @param teacherId
+     * @return
+     */
+    default TeacherOpenCourseMergeTeacher getMaxOrderIndexByTeacherId(@NotNull Long teacherId) {
+        return createLambdaQuery().andEq(TeacherOpenCourseMergeTeacher::getTeacherId, teacherId)
+                .andEq(TeacherOpenCourseMergeTeacher::getTeacherOpenCourseMergeTeacherStatus, 1)
+                .groupBy(TeacherOpenCourseMergeTeacher::getTeacherOpenCourseMergeTeacherId)
+                .unique("max(teacher_open_course_merge_teacher_order_index) as maxOrderIndex, teacher_open_course_merge_teacher_id");
+    }
+
+
+
 }

web/src/main/java/com/ibeetl/jlw/entity/TeacherOpenCourseMergeTeacher.java

@@ -36,6 +36,14 @@ public class TeacherOpenCourseMergeTeacher extends BaseEntity{
             "from teacher_open_course where teacher_open_course_status = 1 and teacher_open_course_id = #teacherOpenCourseId# ")
     private TeacherOpenCourseInfo teacherOpenCourse;
 
+    public Long getTeacherOpenCourseMergeTeacherOrderIndex() {
+        return teacherOpenCourseMergeTeacherOrderIndex;
+    }
+
+    public void setTeacherOpenCourseMergeTeacherOrderIndex(Long teacherOpenCourseMergeTeacherOrderIndex) {
+        this.teacherOpenCourseMergeTeacherOrderIndex = teacherOpenCourseMergeTeacherOrderIndex;
+    }
+
     @Data
     @Accessors(chain = true)
     public static class TeacherOpenCourseInfo {
@@ -63,6 +71,10 @@ public class TeacherOpenCourseMergeTeacher extends BaseEntity{
 
     private String teacherOpenCourseMergeTeacherAuthCode ;
 
+    // 排序
+
+    private Long teacherOpenCourseMergeTeacherOrderIndex ;
+
     //创建时间
 
     private Date teacherOpenCourseMergeTeacherAddTime ;

web/src/main/java/com/ibeetl/jlw/enums/MoveEnum.java

@@ -0,0 +1,34 @@
+package com.ibeetl.jlw.enums;
+
+import cn.jlw.util.EnumUtil;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.beetl.sql.annotation.entity.EnumMapping;
+
+/**
+ * 排序移动类型
+ */
+
+@Getter
+@AllArgsConstructor
+@EnumMapping("text")
+public enum MoveEnum {
+    // 进行中
+    MOVE_TOP(10, "置顶"),
+    // 已结束
+    MOVE_LEFT(20, "前移"),
+    // 未开始
+    MOVE_RIGHT(30, "后移");
+
+    private Integer code;
+
+    // 可以转换成中文
+//        @JsonValue
+
+    private String text;
+
+
+    public static MoveEnum getByCode(Integer code) {
+        return EnumUtil.getByFieldWithValue(MoveEnum.class, "code", code);
+    }
+}

web/src/main/java/com/ibeetl/jlw/enums/StartStatusEnum.java

@@ -13,7 +13,7 @@ import org.beetl.sql.annotation.entity.EnumMapping;
 
 @Getter
 @AllArgsConstructor
-@EnumMapping("text")
+@EnumMapping("name")
 public enum StartStatusEnum {
     // 进行中
     ING(0, "进行中"),

web/src/main/java/com/ibeetl/jlw/service/TeacherOpenCourseMergeTeacherService.java

@@ -1,5 +1,6 @@
 package com.ibeetl.jlw.service;
 
+import cn.hutool.core.lang.Assert;
 import cn.jlw.util.ToolUtils;
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.JSONObject;
@@ -9,14 +10,17 @@ import com.ibeetl.admin.core.web.JsonResult;
 import com.ibeetl.admin.core.web.JsonReturnCode;
 import com.ibeetl.jlw.dao.TeacherOpenCourseMergeTeacherDao;
 import com.ibeetl.jlw.entity.TeacherOpenCourseMergeTeacher;
+import com.ibeetl.jlw.enums.MoveEnum;
 import com.ibeetl.jlw.web.query.TeacherOpenCourseMergeTeacherQuery;
 import org.apache.commons.lang3.StringUtils;
 import org.beetl.sql.core.SqlId;
 import org.beetl.sql.core.engine.PageQuery;
+import org.beetl.sql.core.query.LambdaQuery;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import javax.annotation.Resource;
+import javax.validation.constraints.NotNull;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -145,4 +149,82 @@ public class TeacherOpenCourseMergeTeacherService extends CoreBaseService<Teache
         }
     }
 
+    public void move(@NotNull(message = "开课ID不能为空！") Long teacherOpenCourseId,
+                     @NotNull(message = "移动类型不能为空！") MoveEnum moveType) {
+        final TeacherOpenCourseMergeTeacher teacherOpenCourseMergeTeacher = teacherOpenCourseMergeTeacherDao.getValueByTeacherOpenCourseId(teacherOpenCourseId);
+        final Long orderIndex = teacherOpenCourseMergeTeacher.getTeacherOpenCourseMergeTeacherOrderIndex();
+        final Long teacherId = teacherOpenCourseMergeTeacher.getTeacherId();
+        final Long teacherOpenCourseMergeTeacherId = teacherOpenCourseMergeTeacher.getTeacherOpenCourseMergeTeacherId();
+
+        // 倒序查询，取前两个。用于切换位置
+        LambdaQuery<TeacherOpenCourseMergeTeacher> lambdaQuery = teacherOpenCourseMergeTeacherDao.createLambdaQuery()
+                .andEq(TeacherOpenCourseMergeTeacher::getTeacherId, teacherId)
+                .andEq(TeacherOpenCourseMergeTeacher::getTeacherOpenCourseMergeTeacherStatus, 1)
+                // 大于等于当前排序值
+                .andGreatEq(TeacherOpenCourseMergeTeacher::getTeacherOpenCourseMergeTeacherOrderIndex, orderIndex);
+
+        switch (moveType) {
+            case MOVE_TOP: {
+                List<TeacherOpenCourseMergeTeacher> moveTopList = lambdaQuery
+                        .appendSql("order by teacher_open_course_merge_teacher_order_index desc limit 2")
+                        .select(TeacherOpenCourseMergeTeacher::getTeacherOpenCourseMergeTeacherId
+                                , TeacherOpenCourseMergeTeacher::getTeacherOpenCourseMergeTeacherOrderIndex);
+                // 这个教师最大的排序值
+                TeacherOpenCourseMergeTeacher maxOrderIndexEntity = teacherOpenCourseMergeTeacherDao.getMaxOrderIndexByTeacherId(teacherId);
+
+                Assert.notEmpty(moveTopList, "未查询到开课信息，请检查开课ID是否正确！");
+                Assert.isTrue(moveTopList.size() == 2, "您已经是置顶状态！");
+
+                // 第二个，必然是他自己。
+                Long selfOrderIndex = moveTopList.get(1).getTeacherOpenCourseMergeTeacherOrderIndex();
+
+                // 交换位置
+                Long maxOrderIndex = maxOrderIndexEntity.getTeacherOpenCourseMergeTeacherOrderIndex();
+                moveTopList.get(1).setTeacherOpenCourseMergeTeacherOrderIndex(maxOrderIndex);
+                update(moveTopList.get(1));
+
+                TeacherOpenCourseMergeTeacher changedCourseMergeTeacher = new TeacherOpenCourseMergeTeacher();
+                changedCourseMergeTeacher.setTeacherOpenCourseMergeTeacherOrderIndex(selfOrderIndex);
+                changedCourseMergeTeacher.setTeacherOpenCourseMergeTeacherId(teacherOpenCourseMergeTeacherId);
+                update(changedCourseMergeTeacher);
+            } break;
+            case MOVE_LEFT:{
+                List<TeacherOpenCourseMergeTeacher> moveLeftList = lambdaQuery
+                        .appendSql("order by teacher_open_course_merge_teacher_order_index desc limit 2")
+                        .select(TeacherOpenCourseMergeTeacher::getTeacherOpenCourseMergeTeacherId
+                                , TeacherOpenCourseMergeTeacher::getTeacherOpenCourseMergeTeacherOrderIndex);
+
+                Assert.notEmpty(moveLeftList, "未查询到开课信息，请检查开课ID是否正确！");
+                Assert.isTrue(moveLeftList.size() == 2, "您已经是置顶状态！");
+
+                // 交换位置
+                Long orderIndex0 = moveLeftList.get(0).getTeacherOpenCourseMergeTeacherOrderIndex();
+                Long orderIndex1 = moveLeftList.get(1).getTeacherOpenCourseMergeTeacherOrderIndex();
+
+                moveLeftList.get(0).setTeacherOpenCourseMergeTeacherOrderIndex(orderIndex1);
+                moveLeftList.get(1).setTeacherOpenCourseMergeTeacherOrderIndex(orderIndex0);
+
+                updateBatch(moveLeftList);
+            } break;
+            case MOVE_RIGHT:{
+                List<TeacherOpenCourseMergeTeacher> moveLeftList = lambdaQuery
+                        .appendSql("order by teacher_open_course_merge_teacher_order_index limit 2")
+                        .select(TeacherOpenCourseMergeTeacher::getTeacherOpenCourseMergeTeacherId
+                                , TeacherOpenCourseMergeTeacher::getTeacherOpenCourseMergeTeacherOrderIndex);
+
+                Assert.notEmpty(moveLeftList, "未查询到开课信息，请检查开课ID是否正确！");
+                Assert.isTrue(moveLeftList.size() == 2, "您已经是置顶状态！");
+
+                Long orderIndex0 = moveLeftList.get(0).getTeacherOpenCourseMergeTeacherOrderIndex();
+                Long orderIndex1 = moveLeftList.get(1).getTeacherOpenCourseMergeTeacherOrderIndex();
+
+                // 交换位置
+                moveLeftList.get(0).setTeacherOpenCourseMergeTeacherOrderIndex(orderIndex1);
+                moveLeftList.get(1).setTeacherOpenCourseMergeTeacherOrderIndex(orderIndex0);
+
+                updateBatch(moveLeftList);
+            } break;
+        }
+
+    }
 }

web/src/main/java/com/ibeetl/jlw/service/TeacherOpenCourseService.java

@@ -103,12 +103,23 @@ public class TeacherOpenCourseService extends CoreBaseService<TeacherOpenCourse>
         teacherOpenCourseDao.insert(teacherOpenCourse);
 
         // 开课和教师关联数据
-        if (ObjectUtil.isNotEmpty(teacherOpenCourse.getTeacherInfo().getTeacherId())) {
+        Long teacherId = teacherOpenCourse.getTeacherInfo().getTeacherId();
+        if (ObjectUtil.isNotEmpty(teacherId)) {
+            // 新建排序值，则默认是1
+            Long newOrderIndex = 1L;
+            TeacherOpenCourseMergeTeacher courseMergeTeacherList = teacherOpenCourseMergeTeacherDao.getOneByTeacherId(teacherId);
+
+            // 如果没有查询到这个老师创建的开课信息, 则不会递增
+            if(courseMergeTeacherList != null) {
+                newOrderIndex = courseMergeTeacherList.getTeacherOpenCourseMergeTeacherOrderIndex() + 1L;
+            }
+
             TeacherOpenCourseMergeTeacher teacherOpenCourseMergeTeacher = new TeacherOpenCourseMergeTeacher();
-            teacherOpenCourseMergeTeacher.setTeacherId(teacherOpenCourse.getTeacherInfo().getTeacherId());
+            teacherOpenCourseMergeTeacher.setTeacherId(teacherId);
             teacherOpenCourseMergeTeacher.setTeacherOpenCourseId(teacherOpenCourse.getTeacherOpenCourseId());
             teacherOpenCourseMergeTeacher.setTeacherOpenCourseMergeTeacherAddTime(new Date());
             teacherOpenCourseMergeTeacher.setTeacherOpenCourseMergeTeacherStatus(1);
+            teacherOpenCourseMergeTeacher.setTeacherOpenCourseMergeTeacherOrderIndex(newOrderIndex);
 
             // 生成的授权码, 库里唯一
             String tempCode = generateCodeWithVerify(RandomUtil.randomString(6));

web/src/main/java/com/ibeetl/jlw/web/TeacherOpenCourseMergeTeacherController.java

@@ -7,6 +7,7 @@ import com.ibeetl.admin.core.entity.CoreUser;
 import com.ibeetl.admin.core.file.FileService;
 import com.ibeetl.admin.core.web.JsonResult;
 import com.ibeetl.jlw.entity.TeacherOpenCourseMergeTeacher;
+import com.ibeetl.jlw.enums.MoveEnum;
 import com.ibeetl.jlw.service.TeacherOpenCourseMergeTeacherService;
 import com.ibeetl.jlw.web.query.TeacherOpenCourseMergeTeacherQuery;
 import org.apache.commons.lang3.StringUtils;
@@ -202,5 +203,19 @@ public class TeacherOpenCourseMergeTeacherController{
         return JsonResult.success();
     }
 
+    /**
+     * 教师端-开课 排序移动方法
+     * @param teacherOpenCourseId
+     * @param moveType
+     * @return
+     */
+    @PostMapping(MODEL + "/move.json")
+    @Function("teacherOpenCourseMergeTeacher.edit")
+    @ResponseBody
+    public JsonResult move(Long teacherOpenCourseId, MoveEnum moveType) {
+        teacherOpenCourseMergeTeacherService.move(teacherOpenCourseId, moveType);
+        return JsonResult.success();
+    }
+
 
 }

web/src/main/java/com/ibeetl/jlw/web/query/TeacherOpenCourseMergeTeacherQuery.java

@@ -24,6 +24,8 @@ public class TeacherOpenCourseMergeTeacherQuery extends PageParam {
     private Integer teacherOpenCourseMergeTeacherStatus;
     @Query(name = "教师开课授权码", display = true)
     private String teacherOpenCourseMergeTeacherAuthCode;
+    @Query(name = "排序", display = false)
+    private Long teacherOpenCourseMergeTeacherOrderIndex ;
     @Query(name = "创建时间", display = false)
     private Date teacherOpenCourseMergeTeacherAddTime;
     @Query(name = "组织ID", display = false)
@@ -153,4 +155,12 @@ public class TeacherOpenCourseMergeTeacherQuery extends PageParam {
     public void setTeacherOpenCourseMergeTeacherAuthCode(String teacherOpenCourseMergeTeacherAuthCode) {
         this.teacherOpenCourseMergeTeacherAuthCode = teacherOpenCourseMergeTeacherAuthCode;
     }
+
+    public Long getTeacherOpenCourseMergeTeacherOrderIndex() {
+        return teacherOpenCourseMergeTeacherOrderIndex;
+    }
+
+    public void setTeacherOpenCourseMergeTeacherOrderIndex(Long teacherOpenCourseMergeTeacherOrderIndex) {
+        this.teacherOpenCourseMergeTeacherOrderIndex = teacherOpenCourseMergeTeacherOrderIndex;
+    }
 }

web/src/main/resources/sql/jlw/teacherOpenCourseMergeTeacher.md

@@ -51,6 +51,7 @@ queryByCondition
     @if(!isEmpty(userIdPlural)){
   and find_in_set(t.user_id,#userIdPlural#)
     @}
+    order by t.teacher_open_course_merge_teacher_order_index desc
 
 
 queryByConditionQuery
@@ -104,7 +105,7 @@ queryByConditionQuery
     @if(!isEmpty(userIdPlural)){
   and find_in_set(t.user_id,#userIdPlural#)
     @}
-
+  order by t.teacher_open_course_merge_teacher_order_index desc
 
 
 deleteTeacherOpenCourseMergeTeacherByIds
@@ -204,7 +205,7 @@ getTeacherOpenCourseMergeTeacherValues
     @if(!isEmpty(userId)){
   and t.user_id =#userId#
     @}
-
+  order by t.teacher_open_course_merge_teacher_order_index desc
 
 getValuesByQuery
 ===
@@ -254,3 +255,4 @@ getValuesByQuery
     @if(!isEmpty(userIdPlural)){
   and find_in_set(t.user_id,#userIdPlural#)
     @}
+  order by t.teacher_open_course_merge_teacher_order_index desc

web/src/test/java/com/ibeetl/jlw/web/TeacherOpenCourseMergeTeacherControllerTest.java

@@ -0,0 +1,46 @@
+package com.ibeetl.jlw.web;
+
+import base.BaseTest;
+import org.junit.jupiter.api.Test;
+import org.springframework.test.web.servlet.RequestBuilder;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
+
+import java.nio.charset.Charset;
+
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+/**
+ * <p>
+ *
+ * </p>
+ *
+ * @author mlx
+ * @date 2022/10/24
+ * @modified
+ */
+class TeacherOpenCourseMergeTeacherControllerTest extends BaseTest {
+
+    private static final String MODEL = "/jlw/teacherOpenCourseMergeTeacher";
+    private static final String API = "/api/teacherOpenCourseMergeTeacher";
+
+    @Test
+    void move() throws Exception {
+        //构造请求参数
+        RequestBuilder rb = MockMvcRequestBuilders.post(MODEL + "/move.json")
+                .param("teacherOpenCourseId", "1569699103338831872")
+                .param("moveType", "MOVE_TOP");
+
+        // 测试账号，佟老师
+        putLoginInfoToEnv("102", "26");
+
+        //发送请求，验证返回结果
+        String result = mvc.perform(rb)
+                .andExpect(status().isOk())
+                .andExpect(MockMvcResultMatchers.jsonPath("$.code").value("0"))
+                .andReturn().getResponse().getContentAsString(Charset.defaultCharset());
+
+        System.out.println(result);
+        clearEnvLoginInfo();
+    }
+}