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<?php
if (!isset($pdo)){
if (file_exists("class/pdoDB.class.php")) {require "class/pdoDB.class.php";}
else {require "../../class/pdoDB.class.php";}
$pdo = new pdoDB();
}
$rokID = (isset($_POST["rokID"])) ? $_POST["rokID"] : 0;
$sql = "select id
from pl_roky
where rok < (select rok from pl_roky where id = :rokID)
order by rok desc
limit 0,1";
$sourceRok = $pdo->queryOne($sql, Array(':rokID' => $rokID));
if ($sourceRok->id > 0){
$sourceid = $sourceRok->id;
$sql = "SELECT `idtridy`, `trida`, `idtridni`
FROM kn_tridy
where idskolnirok = :sourceid
order by `trida`";
$pocet = $pdo->queryPocet($sql, Array(':sourceid' => $sourceid));
if ($pocet == 0) {
echo 0;
} else {
$neposouvajiSe = array('5.A', '5.B', '9.A', '9.B', '9.C');
$kopieTridy = "INSERT INTO `kn_tridy`(`idtridy`, `trida`, `idskolnirok`, `idtridni`) VALUES (:idtridy, :trida, :idskolnirok, :idtridni)";
$oldtridy = $pdo->queryAll($sql, Array(':sourceid' => $sourceid));
forEach($oldtridy as $trida){
if (!in_array($trida->trida, $neposouvajiSe)){
$novaTrida = (1+substr($trida->trida, 0, 1)).'.'.substr($trida->trida, 2, 1);
$pdo->execute($kopieTridy, Array(':idtridy' => $trida->idtridy, ':trida' => $novaTrida, ':idskolnirok' => $rokID, ':idtridni' => $trida->idtridni));
}
}
$noveTridy = array('1.A', '1.B', '6.A', '6.B', '6.C');
$novaInsert = "INSERT INTO `kn_tridy`(`trida`, `idskolnirok`) VALUES (:trida, :idskolnirok)";
$novaUpdate = "UPDATE `kn_tridy` SET `idtridy`= :idtridy WHERE `id`=:id";
forEach($noveTridy as $trida){
$pdo->execute($novaInsert, Array(':trida' => $trida, ':idskolnirok' => $rokID));
$newTridaID = $pdo->posledniID();
$pdo->execute($novaUpdate, Array(':idtridy' => $newTridaID, ':id' => $newTridaID));
}
echo 1;
} // else kopiruji lonske tridy
}