/// <summary>
/// 用户解绑.学生解绑账号
/// @author dwy
/// </summary>
/// <param name="userId">用户id</param>
/// <returns>true 解绑成功 false 解绑失败</returns>
/// <seealso cref="M:Xmu.Crms.Shared.Service.IClassService.DeleteCourseSelectionById(System.Int64,System.Int64)"/>
/// <exception cref="T:System.ArgumentException">id格式错误</exception>
/// <exception cref="T:Xmu.Crms.Shared.Exceptions.UserNotFoundException">未找到对应用户</exception>
public void DeleteStudentAccount(long userId)
{
if (userId < 0)
{
throw new ArgumentException("userId格式错误");
}
var user = _db.UserInfo.Find(userId) ??
throw new UserNotFoundException();
IList <ClassInfo> courses = _classService.ListClassByUserId(userId); //根据学生ID获取班级列表
IList <SeminarGroup> groups = _seminarGroupService.ListSeminarGroupIdByStudentId(userId); //获取学生的所有讨论课小组
foreach (SeminarGroup s in groups)
{
if (userId == _seminarGroupService.GetSeminarGroupLeaderByGroupId(s.Id)) //如果是组长
{
_seminarGroupService.ResignLeaderById(s.Id, userId); //组长辞职
}
_seminarGroupService.DeleteSeminarGroupMemberById(s.Id, userId); //在小组中删除该成员
}
foreach (ClassInfo c in courses)
{
FixGroup fixGroup = _fixGroupService.GetFixedGroupById(userId, c.Id); //找到学生所在的固定小组
_fixGroupService.DeleteFixGroupUserById(fixGroup.Id, userId); //将学生从固定小组中删去
_classService.DeleteCourseSelectionById(userId, c.Id); //学生按班级ID取消选择班级
}
_db.RemoveRange(_db.UserInfo.Where(u => u.Id == userId));//删除学生账号
_db.SaveChanges();
}
public IActionResult DeleteStudentUnderClass(long classId, long studentId)
{
//学生无法为他人退课（URL中ID与自身ID不同）
//if (studentId != User.Id()) return Forbid();
try
{
_classService.DeleteCourseSelectionById(User.Id(), classId);
//Success
return(NoContent());
}
catch (UserNotFoundException) { return(NotFound("1")); }
catch (ClassNotFoundException) { return(NotFound("2")); }
catch (ArgumentException)
{
return(BadRequest());
}
}
/// <summary>
/// 用户解绑.学生解绑账号
/// @author dwy
/// </summary>
/// <param name="userId">用户id</param>
/// <returns>true 解绑成功 false 解绑失败</returns>
/// <seealso cref="M:Xmu.Crms.Shared.Service.IClassService.DeleteCourseSelectionById(System.Int64,System.Int64)"/>
/// <exception cref="T:System.ArgumentException">id格式错误</exception>
/// <exception cref="T:Xmu.Crms.Shared.Exceptions.UserNotFoundException">未找到对应用户</exception>
public void DeleteStudentAccount(long userId)
{
if (userId < 0)
{
throw new ArgumentException("userId格式错误");
}
var user = _db.UserInfo.Find(userId) ??
throw new UserNotFoundException();
IList <ClassInfo> courses = _classService.ListClassByUserId(userId);//根据学生ID获取班级列表
foreach (ClassInfo c in courses)
{
FixGroup fixGroup = _fixGroupService.GetFixedGroupById(userId, c.Id); //找到学生所在的固定小组
_fixGroupService.DeleteFixGroupUserById(fixGroup.Id, userId); //将学生从固定小组中删去
_classService.DeleteCourseSelectionById(userId, c.Id); //学生按班级ID取消选择班级
}
_db.RemoveRange(_db.UserInfo.Where(u => u.Id == userId)); //删除学生账号
_db.SaveChanges();
}
public IActionResult DeselectClass([FromRoute] long classId, [FromRoute] long studentId)
{
try
{
var user = _userService.GetUserByUserId(User.Id());
if (user.Type == Shared.Models.Type.Student)
{
_classService.DeleteCourseSelectionById(studentId, classId);
return(NoContent());
}
else
{
return(StatusCode(403, new { msg = "权限不足" }));
}
}
catch (ArgumentException)
{
return(StatusCode(400, new { msg = "ID格式错误" }));
}
}
public IActionResult DeleteClass(int classId, int userId, string studentId)
{
//IActionResult response = new IActionResult(HttpStatusCode.NoContent);
//response.Content = new StringContent("成功", Encoding.UTF8);
//return response;
try
{
_classService.DeleteCourseSelectionById(classId, userId);
}
catch (ClassNotFoundException)
{
return(StatusCode(404, new { msg = "未找到班级" }));
}
catch (ArgumentException)
{
return(StatusCode(400, new { msg = "错误的ID格式" }));
}
//catch (CourseAlreadyExistsException)
//{
// return StatusCode(409, new { msg = "选过同个课程" });
//}
return(NoContent());
}
