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feat: 课程列表相关接口

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增加了“查看置顶课程列表”、“设置置顶”、“置顶排序”、“导出课程列表”接口，部分未完成
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liu.zixi
2025-11-20 13:13:33 +08:00
parent 74c8a1383d
commit 0ebd710293
3 changed files with 159 additions and 2 deletions
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52
servers/boe-server-all/src/main/java/com/xboe/module/course/dto/ServiceResponse.java Normal file
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@@ -0,0 +1,52 @@
package com.xboe.module.course.dto;
/**
* 服务层返回
* @param <T>
*/
public class ServiceResponse<T> {
private boolean success;
private String message;
private T data;
public static <V> ServiceResponse<V> success(V data) {
ServiceResponse<V> response = new ServiceResponse<>();
response.setSuccess(true);
response.setData(data);
return response;
}
public static <V> ServiceResponse<V> failure(String message) {
ServiceResponse<V> response = new ServiceResponse<>();
response.setSuccess(false);
response.setMessage(message);
return response;
}
public boolean isSuccess() {
return success;
}
public void setSuccess(boolean success) {
this.success = success;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public T getData() {
return data;
}
public void setData(T data) {
this.data = data;
}
}

35
servers/boe-server-all/src/main/java/com/xboe/module/course/service/ICoursePageService.java
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@@ -3,7 +3,12 @@ package com.xboe.module.course.service;
import com.xboe.common.PageList;
import com.xboe.core.CurrentUser;
import com.xboe.module.course.dto.CoursePageQueryDTO;
import com.xboe.module.course.dto.ServiceResponse;
import com.xboe.module.course.vo.CoursePageVo;
import org.springframework.transaction.annotation.Transactional;
import javax.servlet.http.HttpServletResponse;
import java.util.List;
public interface ICoursePageService {
@@ -14,4 +19,34 @@ public interface ICoursePageService {
* @return
*/
PageList<CoursePageVo> pageQuery(CurrentUser currentUser, CoursePageQueryDTO coursePageQueryDTO);
/**
* 置顶列表
* @return
*/
List<CoursePageVo> topList();
/**
* 置顶/取消置顶
* @param courseId
* @param top true代表执行置顶操作，false代表执行取消置顶操作
* @return
*/
@Transactional
ServiceResponse<Boolean> top(String courseId, boolean top);
/**
* 置顶列表排序修改
* @param topList
* @return
*/
@Transactional
ServiceResponse<List<CoursePageVo>> topListSortChange(List<CoursePageVo> topList);
/**
* 导出课程列表
* @param coursePageQueryDTO
* @param response
*/
void exportCourseList(CoursePageQueryDTO coursePageQueryDTO, HttpServletResponse response);
}

74
servers/boe-server-all/src/main/java/com/xboe/module/course/service/impl/CoursePageServiceImpl.java
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@@ -11,6 +11,7 @@ import com.xboe.data.outside.IOutSideDataService;
import com.xboe.module.course.dao.CourseDao;
import com.xboe.module.course.dao.CourseTeacherDao;
import com.xboe.module.course.dto.CoursePageQueryDTO;
import com.xboe.module.course.dto.ServiceResponse;
import com.xboe.module.course.entity.Course;
import com.xboe.module.course.entity.CourseTeacher;
import com.xboe.module.course.service.ICoursePageService;
@@ -21,6 +22,7 @@ import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
@@ -42,7 +44,8 @@ public class CoursePageServiceImpl implements ICoursePageService {
public PageList<CoursePageVo> pageQuery(CurrentUser currentUser, CoursePageQueryDTO coursePageQueryDTO) {
/*
* 1. 前置权限过滤
* 权限说明：管理员登录后当前页面只可查看本人创建的课程及被授权的课程，其他课程不可见，被赋予查看权的用户可直接引用可查看的课程
* 权限说明：管理员端 可查看本人创建的课程及被授权的课程，其他课程不可见，被赋予查看权的用户可直接引用可查看的课程；
* 教师端 当前用户创建的课程及具有管理权、查看权的课程清单
*/
UserOrgIds userOrgIds = outSideDataService.getOrgIds();
@@ -54,7 +57,7 @@ public class CoursePageServiceImpl implements ICoursePageService {
String currentAccountId = currentUser == null ? null : currentUser.getAccountId();
// 构建查询条件
List<IFieldFilter> filters = createFilters(coursePageQueryDTO);
List<IFieldFilter> filters = new ArrayList<>();
// 自动添加过滤已删除
filters.add(FieldFilters.eq("c.deleted", false));
@@ -79,6 +82,7 @@ public class CoursePageServiceImpl implements ICoursePageService {
filters.add(FieldFilters.or(permissionFilters));
}
}
filters.addAll(createFilters(coursePageQueryDTO));
QueryBuilder query = QueryBuilder.from(Course.class.getSimpleName() + " c").addFilters(filters);
// 处理排序
@@ -111,6 +115,69 @@ public class CoursePageServiceImpl implements ICoursePageService {
return result;
}
@Override
public List<CoursePageVo> topList() {
// 构建查询条件
IFieldFilter fieldFilter = FieldFilters.eq("isTop", true);
List<Course> courseList = courseDao.findList(fieldFilter);
// 如果有值，查询教师数据
List<CourseTeacher> courseTeacherList;
if (!courseList.isEmpty()) {
List<String> courseIds = courseList.stream()
.map(Course::getId)
.collect(Collectors.toList());
courseTeacherList = getCourseTeacherList(courseIds);
} else {
courseTeacherList = new ArrayList<>();
}
return courseList.stream()
.map(c -> convertToVo(c, courseTeacherList))
.collect(Collectors.toList());
}
@Override
public ServiceResponse<Boolean> top(String courseId, boolean top) {
// 1. 查询课程数据
Course course = courseDao.get(courseId);
if (top) {
// 2. 执行置顶操作
// 2.1 目前课程是否已置顶
if (course.getIsTop() != null && course.getIsTop()) {
// 错误提示：已置顶
return ServiceResponse.failure("已置顶");
}
// 2.2 查看置顶列表数量
IFieldFilter fieldFilter = FieldFilters.eq("isTop", true);
int topCount = courseDao.count(fieldFilter);
if (topCount >= 10) {
return ServiceResponse.failure("最多只能置顶10个课程");
}
// 2.3 设置置顶
course.setIsTop(true);
courseDao.update(course);
} else {
// 3. 取消置顶
// 3.1 课程是否已置顶
if (course.getIsTop() == null || !course.getIsTop()) {
return ServiceResponse.failure("未置顶");
}
// 3.2 取消置顶
course.setIsTop(false);
course.setSortWeight(9999);
courseDao.update(course);
}
return ServiceResponse.success(true);
}
@Override
public ServiceResponse<List<CoursePageVo>> topListSortChange(List<CoursePageVo> topList) {
return null;
}
@Override
public void exportCourseList(CoursePageQueryDTO coursePageQueryDTO, HttpServletResponse response) {
}
/**
* 生成过滤条件
*
@@ -252,6 +319,9 @@ public class CoursePageServiceImpl implements ICoursePageService {
OrderCondition sortWeightOc = OrderCondition.asc("c.sortWeight");
query.addOrder(sortWeightOc);
OrderCondition createTimeOc = OrderCondition.desc("c.sysCreateTime");
query.addOrder(createTimeOc);
}
}
}