close();
//load apikey etc
$url="";
$apikey="";
$sql="select printer_url,apikey from printer where id=$printer_id";
$stmt = mysqli_prepare($link, $sql);
mysqli_stmt_execute($stmt);
mysqli_stmt_store_result($stmt);
mysqli_stmt_bind_result($stmt, $url,$apikey);
mysqli_stmt_fetch($stmt);
$stmt->close();
//connect to the printer
exec("curl --max-time 10 $url/api/job?apikey=$apikey > /var/www/html/user_files/$username/finish.json");
$fg=file_get_contents("/var/www/html/user_files/$username/finish.json");
$json=json_decode($fg,true);
$userid=$_SESSION["id"];
if(isset($json['job']['filament']['tool0']['volume'])){
$filament_usage=intval($json['job']['filament']['tool0']['volume']);
$sql="UPDATE users SET filament_usage = COALESCE(filament_usage,0) + $filament_usage WHERE id = $cnt";
$stmt = mysqli_prepare($link, $sql);
mysqli_stmt_execute($stmt);
}
}
if(isset($_GET['remove_queue'])&&$_GET["rid"]==($_SESSION["rid"]-1))
{
$id=htmlspecialchars($_GET['remove_queue']);
$sql="delete from queue where id=$id";
$stmt = mysqli_prepare($link, $sql);
mysqli_stmt_execute($stmt);
}
if(isset($_GET['cancel'])&&$_GET["rid"]==($_SESSION["rid"]-1))
{
$apikey="";
$printer_url="";
$printer_id=htmlspecialchars($_GET['cancel']);
$sql="select used_by_userid,apikey,printer_url from printer where id=$printer_id";
$stmt = mysqli_prepare($link, $sql);
mysqli_stmt_execute($stmt);
mysqli_stmt_store_result($stmt);
mysqli_stmt_bind_result($stmt, $cnt,$apikey,$printer_url);
mysqli_stmt_fetch($stmt);
exec("curl -k -H \"X-Api-Key: $apikey\" -H \"Content-Type: application/json\" --data '{\"command\":\"cancel\"}' \"$printer_url/api/job\" > /var/www/html/user_files/$username/json.json");
$fg=file_get_contents("/var/www/html/user_files/$username/json.json");
$json=json_decode($fg,true);
if($json["error"]!="")
{
echo("
Beim abbrechen ist es zu einem Fehler gekommen. Bitte versuche es später erneut.
");
}
else
{
$sql="update printer set cancel=1 where id=$printer_id";
$stmt = mysqli_prepare($link, $sql);
mysqli_stmt_execute($stmt);
}
}
if(isset($_GET["set_class"]) && isset($_POST["class"])){
$class_id=htmlspecialchars($_POST["class"]);
$sql="update users set class_id=$class_id where username='$username'";
$stmt = mysqli_prepare($link, $sql);
mysqli_stmt_execute($stmt);
$stmt->close();
$sql="select name from class where id=$class_id";
$stmt = mysqli_prepare($link, $sql);
mysqli_stmt_execute($stmt);
$class_name="";
mysqli_stmt_bind_result($stmt, $class_name);
$stmt->close();
$_SESSION["class"]=$class_name;
$_SESSION["class_id"]=$class_id;
}
?>
Druck abbrechen
Möchtest du den Druck wirklich abbrechen?
Klasse angeben
Hallo bitte wähle deine Klasse aus der Liste unten aus.
Wenn deine Klasse nicht in der Liste ist, bitte deine Lehrperson deine Klasse in den Einstellungen hinzuzufügen.
Warteschlange
Datei
Drucken auf Drucker
aus der Warteschlange entfernen
");
$last_id=0;
$form_userid=0;
$print_on=0;
while($cnt!=0)
{
$sql="select id,filepath,from_userid,print_on from queue where id>$last_id order by id";
$cancel=0;
$stmt = mysqli_prepare($link, $sql);
echo mysqli_error($link);
mysqli_stmt_execute($stmt);
mysqli_stmt_store_result($stmt);
mysqli_stmt_bind_result($stmt, $queue_id,$filepath,$from_userid,$print_on);
mysqli_stmt_fetch($stmt);
$filepath=basename($filepath);
$last_id=$queue_id;
echo("
$filepath
");
if($print_on==-1)
echo("
Erster verfügbarer Drucker
");
else
echo("
$print_on
");
if($_SESSION["role"][3]==="1" or $_SESSION["id"]==$from_userid)
echo("