public function destroy($id)
{
$user = Auth::user();
$entry = UserContestEntry::where(['user_id' => $user->user_id])->findOrFail($id);
$contest = Contest::findOrFail($entry->contest_id);
priv_check('ContestEntryDestroy', $entry)->ensureCan();
$entry->deleteWithFile();
return $contest->userEntries($user);
}
public function gimmeZip($id)
{
set_time_limit(300);
$contest = Contest::findOrFail($id);
$entries = UserContestEntry::where('contest_id', $id)->with('user')->get();
$tmpBase = sys_get_temp_dir() . "/c{$id}-" . time();
$workingFolder = "{$tmpBase}/working";
$outputFolder = "{$tmpBase}/out";
try {
if (!is_dir($workingFolder)) {
mkdir($workingFolder, 0755, true);
}
if (!is_dir($outputFolder)) {
mkdir($outputFolder, 0755, true);
}
// fetch entries
foreach ($entries as $entry) {
$targetDir = "{$workingFolder}/" . ($entry->user ?? new \App\Models\DeletedUser())->username . " ({$entry->user_id})/";
if (!is_dir($targetDir)) {
mkdir($targetDir, 0755, true);
}
copy($entry->fileUrl(), "{$targetDir}/" . sanitize_filename($entry->original_filename));
}
// zip 'em
$zipOutput = "{$outputFolder}/contest-{$id}.zip";
$zip = new \ZipArchive();
$zip->open($zipOutput, \ZipArchive::CREATE);
foreach (glob("{$workingFolder}/**/*.*") as $file) {
// we just want the path relative to the working folder root
$new_filename = str_replace("{$workingFolder}/", '', $file);
$zip->addFile($file, $new_filename);
}
$zip->close();
// send 'em on their way
header('Content-Disposition: attachment; filename=' . basename($zipOutput));
header('Content-Type: application/zip');
header('Expires: 0');
header('Cache-Control: must-revalidate');
header('Pragma: public');
header('Content-Length: ' . filesize($zipOutput));
readfile($zipOutput);
} finally {
deltree($tmpBase);
}
}
public function show($id)
{
$contest = Contest::findOrFail($id);
$user = Auth::user();
if (!$contest->visible && (!$user || !$user->isAdmin())) {
abort(404);
}
if ($contest->isVotingStarted() && isset($contest->extra_options['children'])) {
$contestIds = $contest->extra_options['children'];
} else {
$contestIds = [$id];
}
$contests = Contest::with('entries', 'entries.contest', 'entries.user')->whereIn('id', $contestIds)->orderByRaw(DB::raw('FIELD(id, ' . implode(',', $contestIds) . ')'))->get();
if ($contest->isVotingStarted()) {
return view('contests.voting')->with('contestMeta', $contest)->with('contests', $contests);
} else {
return view('contests.enter')->with('contestMeta', $contest)->with('contest', $contests->first());
}
}
public function downloadStandings($cid)
{
$contest = Contest::findOrFail($cid);
$standings = $contest->getStandings();
$participants = $standings['participants'];
$problems = $standings['problems'];
$details = $standings['details'];
$document = ['contest' => $contest, 'participants' => $participants, 'problems' => $problems, 'standings' => $details];
$json = json_encode($document);
return response($json)->header('Content-disposition', 'attachment; filename=c' . $contest->id . '-standings.json')->header('Content-type', 'application/json');
}
