public async Task <dynamic> OnSubmitHomeworkAsync([FromForm] UserHomework homework, [FromForm] List <int> files, [FromForm] string token)
{
try
{
var t = await tokenService.GetTokenAsync(token);
if (t == null)
{
throw new Exception("请先登录");
}
var role = t.Role;
if (role == UserRole.Admin)
{
throw new Exception("无效操作");
}
role = await homeworkService.GetHWRoleAsync(homework.HwId, t.UserID);
if (role != UserRole.Student)
{
throw new Exception("无效操作");
}
homework.UserId = t.UserID;
homework.Mark = null;
homework.Comment = null;
var hw = await homeworkService.GetHomeworkAsync(homework.HwId);
if (hw.Type == HWType.Group)
{
if (await homeworkService.GetGroupIdentityAsync(t.UserID, hw.CourseId) != GroupIdentity.Leader)
{
throw new Exception("小组作业只能组长提交!");
}
}
if (hw.Status != HWStatus.Active && hw.Status != HWStatus.NearDDL)
{
throw new Exception("作业尚未开始提交或已经结束！");
}
if (await homeworkService.HasSubmittedAsync(homework.HwId, homework.UserId))
{
await homeworkService.RemoveStuHomeworkFilesAsync(homework.HwId, homework.UserId);
await homeworkService.UpdateStuHomeworkAsync(homework);
foreach (var file in files)
{
await homeworkService.AddFileToStuHomeworkAsync(file, homework.UserId, homework.HwId);
}
}
else
{
await homeworkService.AddStuHomeworkAsync(homework);
foreach (var file in files)
{
await homeworkService.AddFileToStuHomeworkAsync(file, t.UserID, homework.HwId);
}
}
return(new { Res = true });
}
catch (Exception e)
{
return(new { Res = false, Error = e.Message });
}
}
