public function info($assignment_id = null)
{
global $db;
if (is_null($assignment_id)) {
$assignment_id = $this->assignment_id;
}
$user_id = user::authService()['user_id'];
if (!isset($assignment_id) && !isset($user_id)) {
return -1;
}
$db->where("assignment_id", $assignment_id);
$result = $db->get("assignment")[0];
$db->where("type_id", $assignment_id);
$db->where("type", "question");
$resultFile = $db->get("file");
$files = array();
foreach ($resultFile as $rowFile) {
$filepath = file::getFilename($rowFile['file_id'], $rowFile['extension']);
$rowFile['filepath'] = $filepath;
$files[] = $rowFile;
}
$result['files'] = $files;
if (user::isStudent()) {
$result['group_id'] = Assignment::groupID($assignment_id);
$result['editor'] = Assignment::getEditor($result['group_id']);
} elseif (user::isTeacher()) {
$db->where("assignment_id", $assignment_id);
$result2 = $db->get("assignment_group", "COUNT(*) as group_count")[0];
$result['group_count'] = $result2['group_count'];
$deadline = explode(" ", $result['deadline']);
$result['due_date'] = $deadline[0];
$result['due_time'] = $deadline[1];
$db->where("assignment_id", $assignment_id);
$sample_codes = $db->get("assignment_sample_code");
$result['sample_code'] = $sample_codes;
}
$result['deadline_time'] = strtotime($result['deadline']);
if (time() > $result['deadline_time']) {
$result['overdue'] = true;
} else {
$result['overdue'] = false;
$diff = $result['deadline_time'] - time();
$result['deadline_day'] = ceil($diff / 60 / 60 / 24);
}
return $result;
}
