public async Task <IActionResult> DeleteAttachment(int id)
{
StudentAssignmentAttachment entity = await _db.StudentAssignmentAttachment.SingleOrDefaultAsync(x => x.Id == id);
if (entity == null)
{
return(NotFound());
}
if (entity.UserId != _userService.UserId)
{
return(Forbid());
}
_db.StudentAssignmentAttachment.Remove(entity);
await _db.SaveChangesAsync();
return(Ok());
}
public async Task <IActionResult> UploadAttachment(IFormFile file, int?assignmentId)
{
StudentAssignmentAttachment attachment =
await _attachmentService.AddAsync(file,
AttachmentType.StudentAssignment) as StudentAssignmentAttachment;
if (assignmentId.HasValue)
{
StudentAssignment assignment = await _assignmentService.GetStudentAssignmentById(assignmentId.Value);
if (assignment == null)
{
return(NotFound());
}
if (assignment.StudentId != _userService.UserId)
{
return(Forbid());
}
attachment.Assignment = assignment;
}
await _db.SaveChangesAsync();
return(Ok(_mapper.Map <AttachmentDto>(attachment)));
}
