function OnPostback()
{
if ($this->editor->GetDataObjectId()) {
# Because this is a new request we need to reverify that this is the match owner before letting anything happen.
# Can't trust that info from a postback so MUST go to the database to check it.
$this->match_manager->ReadByMatchId(array($this->editor->GetDataObjectId()));
$check_match = $this->match_manager->GetFirst();
$this->b_user_is_match_owner = ($check_match instanceof Match and AuthenticationManager::GetUser()->GetId() == $check_match->GetAddedBy()->GetId());
# This page is only for tournaments, so check that against the db too
$this->b_is_tournament = $check_match->GetMatchType() == MatchType::TOURNAMENT;
} else {
# Not an entirely correct error for there being no match id on postback,
# but no match = not the owner, and most importantly it will prevent the
# match being saved or the edit form being shown.
$this->b_user_is_match_owner = false;
}
# get object
$this->tournament = $this->editor->GetDataObject();
# Check whether cancel was clicked
if ($this->editor->CancelClicked()) {
$this->match_manager->ExpandMatchUrl($this->tournament);
if ($this->adding) {
http_response_code(303);
$this->Redirect($this->tournament->GetDeleteNavigateUrl());
} else {
# Show the tournament
$this->Redirect($this->tournament->GetNavigateUrl());
}
}
# save data if valid
if ($this->IsValid()) {
# Confirm match is being saved as a tournament
$this->b_is_tournament = $this->b_is_tournament and $this->tournament->GetMatchType() == MatchType::TOURNAMENT;
# Check that the requester has permission to update this match
if (($this->b_user_is_match_admin or $this->b_user_is_match_owner) and $this->b_is_tournament) {
# Save the teams in the tournament
$this->match_manager->SaveTeams($this->tournament);
$this->match_manager->NotifyMatchModerator($this->tournament->GetId());
$this->match_manager->ExpandMatchUrl($this->tournament);
http_response_code(303);
if ($this->adding) {
$this->Redirect($this->tournament->AddTournamentCompetitionsUrl());
} else {
$this->Redirect($this->tournament->GetNavigateUrl());
}
}
}
}
