public ActionResult Documents(int?id)
{
if (id == null)
{
return(RedirectToAction("Index", "Home"));
}
Schedule schedule = repository.Schedule(id);
if (schedule == null)
{
return(RedirectToAction("Index", "Home"));
}
string userId = User.Identity.GetUserId();
List <Document> documents = schedule.Course.Documents.ToList();
UsersRepository usersRepo = new UsersRepository();
string roleName = usersRepo.GetUserRole(userId).Name;
if (roleName == RoleConstants.Student)
{
// Any student is allowed to see documents for the current course, as long as the
// given student takes part of that course
if (!repository.TakesPart(userId, (int)id))
{
return(RedirectToAction("Index", "Home"));
}
// But only documents visible to Students are displayed
documents = documents.Where(d => d.VisibleFor.Name == RoleConstants.Student).ToList();
}
else if (roleName == RoleConstants.Teacher)
{
// Any teacher is allowed to see documents for the current course, as long as the
// given teacher is in charge of that course
if (!repository.IsInCharge(userId, (int)id))
{
return(RedirectToAction("Index", "Home"));
}
}
else
{
return(RedirectToAction("Index", "Home"));
}
if (documents.Count == 0)
{
return(RedirectToAction("Index", "Home"));
}
return(View(documents.Select(d => new DocumentsScheduleVM
{
Document = d,
UploadersRole = usersRepo.GetUserRole(d.Uploader.Id).Name
})));
}