public async Task <ActionResult> Edit(InvitationEditFormModel editModel)
{
if (!ModelState.IsValid)
{
return(View(editModel));
}
// If the email is already being used to authenticate into the system, it cannot be used
bool userExists = await _context.Users
.AnyAsync(u => u.Email.Equals(editModel.Email, StringComparison.OrdinalIgnoreCase));
if (userExists)
{
return(RedirectToAction <InvitationsController>(c => c.Index())
.WithError("It appears there is an existing User with this email address."));
}
// if there is an invitation for the same year, same email, this is invalid.
bool invitationExists = await _context.Invitations.AnyAsync(i =>
i.Email.Equals(editModel.Email, StringComparison.OrdinalIgnoreCase) &&
i.Id != editModel.Id);
if (invitationExists)
{
return(RedirectToAction <InvitationsController>(c => c.Index())
.WithError("It appears that this email has an invitation already."));
}
Invitation invitation = await _context.Invitations.SingleOrDefaultAsync(i => i.Id == editModel.Id);
if (invitation == null)
{
return(RedirectToAction <InvitationsController>(c => c.Index())
.WithError("Could not load the Invitation."));
}
invitation.InviteeName = editModel.InviteeName;
invitation.Email = editModel.Email;
invitation.IsTeacher = editModel.IsTeacher;
invitation.HasBeenRedeemed = editModel.HasBeenRedeemed;
_context.Entry(invitation).State = EntityState.Modified;
await _context.SaveChangesAsync();
return(RedirectToAction <InvitationsController>(c => c.Index()).WithSuccess("Invitation updated."));
}
// GET: Invitations/Edit/5
public async Task <ActionResult> Edit(int?id)
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
InvitationEditFormModel invitation =
await _context.Invitations.Project().To <InvitationEditFormModel>()
.SingleOrDefaultAsync(i => i.Id == id.Value);
if (invitation == null)
{
return(RedirectToAction <InvitationsController>(c => c.Index())
.WithError("Could not load the Invitation."));
}
return(View(invitation));
}