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updating queue system

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root
2024-12-15 17:37:27 +00:00
parent 8b94f7f9fe
commit 5808ffceb1
1 changed files with 60 additions and 64 deletions
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116
sys0-code/api/queue.php
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@@ -1,68 +1,64 @@
<?php
function test_queue($link)//function to check if any printer is free and if there are jobs in queue. If yes push jo to printer
{
$sql="select id, from_userid,filepath,print_on from queue order by id";
$qid=0;
$quserid=0;
$qfilepath="";
$print_on=0;
function test_queue($link) // Function to check if any printer is free and process all jobs in the queue
{
$sql = "SELECT id, from_userid, filepath, print_on FROM queue ORDER BY id";
$stmt = mysqli_prepare($link, $sql);
mysqli_stmt_execute($stmt);
mysqli_stmt_store_result($stmt);
mysqli_stmt_bind_result($stmt, $qid,$quserid,$qfilepath,$print_on);
mysqli_stmt_fetch($stmt);
$num_of_printers=0;
if($print_on==-1)
$sql="select count(*) from printer";
else
$sql="select count(*) from printer where id=$print_on";
$stmt = mysqli_prepare($link, $sql);
mysqli_stmt_execute($stmt);
mysqli_stmt_store_result($stmt);
mysqli_stmt_bind_result($stmt, $num_of_printers);
mysqli_stmt_fetch($stmt);
$last_id=0;
$printers_av=0;
if($num_of_printers!=0)
{
$id=0;
$papikey="";
$userid=$_SESSION["id"];
$username=$_SESSION["username"];
$purl="";
if($print_on==-1)
$sql="Select id,apikey,printer_url from printer where id>$last_id and free=1 order by id";
else
$sql="Select id,apikey,printer_url from printer where id=$print_on and free=1";
//echo $sql;
$stmt = mysqli_prepare($link, $sql);
mysqli_stmt_execute($stmt);
mysqli_stmt_store_result($stmt);
mysqli_stmt_bind_result($stmt, $id,$papikey,$purl);
mysqli_stmt_fetch($stmt);
if($id!=0)
{
exec('curl -k -H "X-Api-Key: '.$papikey.'" -F "select=true" -F "print=true" -F "file=@'.$qfilepath.'" "'.$purl.'/api/files/local" > /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['effectivePrint']==true and $json["effectiveSelect"]==true)
{
$sql="update printer set free=0, printing=1,mail_sent=0, used_by_userid=$quserid where id=$id";
$stmt = mysqli_prepare($link, $sql);
mysqli_stmt_execute($stmt);
mysqli_stmt_bind_result($stmt, $qid, $quserid, $qfilepath, $print_on);
$sql="delete from queue where id=$qid";
$stmt = mysqli_prepare($link, $sql);
mysqli_stmt_execute($stmt);
}
while (mysqli_stmt_fetch($stmt)) {
$num_of_printers = 0;
if ($print_on == -1)
$sql_printers = "SELECT COUNT(*) FROM printer";
else
{
echo("failed sending file to printer!");
}
}
}
}
$sql_printers = "SELECT COUNT(*) FROM printer WHERE id = $print_on";
$stmt_printers = mysqli_prepare($link, $sql_printers);
mysqli_stmt_execute($stmt_printers);
mysqli_stmt_store_result($stmt_printers);
mysqli_stmt_bind_result($stmt_printers, $num_of_printers);
mysqli_stmt_fetch($stmt_printers);
if ($num_of_printers > 0) {
$id = 0;
$papikey = "";
$purl = "";
if ($print_on == -1)
$sql_free_printers = "SELECT id, apikey, printer_url FROM printer WHERE free = 1 ORDER BY id";
else
$sql_free_printers = "SELECT id, apikey, printer_url FROM printer WHERE id = $print_on AND free = 1";
$stmt_free_printers = mysqli_prepare($link, $sql_free_printers);
mysqli_stmt_execute($stmt_free_printers);
mysqli_stmt_store_result($stmt_free_printers);
mysqli_stmt_bind_result($stmt_free_printers, $id, $papikey, $purl);
if (mysqli_stmt_fetch($stmt_free_printers)) { // Found a free printer
$username = $_SESSION["username"];
$curl_cmd = 'curl -k -H "X-Api-Key: ' . $papikey . '" -F "select=true" -F "print=true" -F "file=@' . $qfilepath . '" "' . $purl . '/api/files/local" > /var/www/html/user_files/' . $username . '/json.json';
exec($curl_cmd);
$fg = file_get_contents("/var/www/html/user_files/$username/json.json");
$json = json_decode($fg, true);
if ($json['effectivePrint'] == true && $json["effectiveSelect"] == true) {
$sql_update_printer = "UPDATE printer SET free = 0, printing = 1, mail_sent = 0, used_by_userid = $quserid WHERE id = $id";
$stmt_update_printer = mysqli_prepare($link, $sql_update_printer);
mysqli_stmt_execute($stmt_update_printer);
$sql_delete_queue = "DELETE FROM queue WHERE id = $qid";
$stmt_delete_queue = mysqli_prepare($link, $sql_delete_queue);
mysqli_stmt_execute($stmt_delete_queue);
} else {
echo "Failed sending file to printer for queue ID $qid!";
}
} else {
echo "No free printer available for queue ID $qid!";
}
} else {
echo "No printers available for queue ID $qid!";
}
}
}
?>