ordersprinter/webapp/php/printqueue.php

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2020-11-19 22:47:44 +01:00
<?php
// Datenbank-Verbindungsparameter
require_once ('config.php');
require_once ('globals.php');
require_once ('dbutils.php');
require_once ('bill.php');
require_once ('closing.php');
class PrintQueue {
var $dbutils;
var $userrights;
var $admin;
function __construct() {
$this->dbutils = new DbUtils();
$this->userrights = new Userrights();
$this->admin = new Admin();
}
function handleCommand($command) {
// these command are only allowed for user with waiter rights
if ($command == 'getNextReceiptPrintJobs') {
if(isset($_GET['printers'])) {
$this->getNextReceiptPrintJobs($_POST['pass'],$_GET['language'],$_GET['printers']);
} else {
$this->getNextReceiptPrintJobs($_POST['pass'],$_GET['language'],"1,2,3,4,5,6");
}
} else if ($command == 'getNextClosingPrintJobs') {
$this->getNextClosingPrintJobs($_POST['pass'],$_GET['language']);
} else if ($command == 'getNextFoodWorkPrintJobs') {
if (isset($_GET['printer'])) {
$this->getNextFoodWorkPrintJobs($_GET['printer'],$_POST['pass']);
} else {
$this->getNextFoodWorkPrintJobs(null,$_POST['pass']);
}
} else if ($command == 'getNextDrinkWorkPrintJobs') {
if (isset($_GET['printer'])) {
$this->getNextDrinkWorkPrintJobs($_GET['printer'],$_POST['pass']);
} else {
$this->getNextDrinkWorkPrintJobs(null,$_POST['pass']);
}
} else if ($command == 'deletePrintJob') {
$this->deletePrintJob($_POST['pass'],$_POST['id']);
} else if ($command == 'queueReceiptPrintJob') {
$this->queueReceiptPrintJob($_POST['billid']);
} else if ($command == 'queueClosingSummary') {
$this->queueClosingSummary($_GET['closingid']);
} else if ($command == 'testConnection') {
$this->testConnection($_POST['pass']);
} else if ($command == 'getReceiptConfig') {
$this->getReceiptConfig();
} else if ($command == 'getLogoAsPng') {
$this->getLogoAsPng();
} else if ($command == 'getLogoAsWbmp') {
$this->getLogoAsWbmp();
} else if ($command == 'getPrintJobOverview') {
$this->getPrintJobOverview();
} else {
echo "Kommando nicht erkannt!";
}
}
function testConnection($md5pass) {
header( "Expires: Mon, 20 Dec 1998 01:00:00 GMT" );
header( "Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT" );
header( "Cache-Control: no-cache, must-revalidate" );
header( "Pragma: no-cache" );
header( "Content-Type: text/html; charset=utf8" );
$isCorrect = $this->isPasswordCorrect($md5pass,true);
if ($isCorrect) {
echo "ok";
} else {
// Output from isPasswordCorrect method already
// echo " - false -";
}
}
/*
* Insert a "work" (food or drink) job into the printjob queue. The POS Print Server will
* pick these jobs and delete them after successful printing
*/
public static function queueWorkPrintJob($pdo,$table,$timestamp,$prods,$kind,$printer,$username) {
$table .= " ($username)";
// REM* now create the work print job
$content = json_encode(array("table" => $table, "time" => $timestamp, "products" => $prods));
$printInsertSql = "INSERT INTO `%printjobs%` (`id` , `content`,`type`,`printer`) VALUES ( NULL,?,?,?)";
$stmt = $pdo->prepare(DbUtils::substTableAlias($printInsertSql));
$stmt->execute(array($content,intval($kind) + 1,$printer));
}
function getPrintJobOverview() {
if (!($this->userrights->hasCurrentUserRight('right_manager')) &&
!($this->userrights->hasCurrentUserRight('is_admin'))
) {
echo json_encode(array("status" => "ERROR", "code" => ERROR_DB_PRIVS_MISSING, "msg" => ERROR_DB_PRIVS_MISSING_MSG));
return;
}
$pdo = DbUtils::openDbAndReturnPdoStatic();
$jobs = array();
for ($printer=1;$printer<7;$printer++) {
// bills:
$sql = "SELECT count(id) as count FROM %printjobs% WHERE printer=?";
$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
$stmt->execute(array($printer));
$result = $stmt->fetchObject();
$jobs[] = array("printer" => $printer, "jobs" => $result->count);
}
$sql = "SELECT count(id) as count FROM %printjobs% WHERE type=?";
$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
$stmt->execute(array(1));
$result = $stmt->fetchObject();
$jobs[] = array("printer" => 7, "jobs" => $result->count);
$stmt->execute(array(2));
$result = $stmt->fetchObject();
$jobs[] = array("printer" => 8, "jobs" => $result->count);
echo json_encode(array("status" => "OK", "msg" => $jobs));
}
function queueReceiptPrintJob($billid) {
// waiter, or manager, bill, admin rights required
if (!($this->userrights->hasCurrentUserRight('right_paydesk')) &&
!($this->userrights->hasCurrentUserRight('right_manager')) &&
!($this->userrights->hasCurrentUserRight('right_bill')) &&
!($this->userrights->hasCurrentUserRight('right_waiter')) &&
!($this->userrights->hasCurrentUserRight('is_admin'))
) {
echo "Benutzerrechte nicht ausreichend!";
return false;
} else {
// PAY_PRINT_TYPE = 3 means printing as paydesk print -> choose the printer
// (print type is misused also for selection of printer)
if(session_id() == '') {
session_start();
}
$printer = $_SESSION['receiptprinter'];
// now get receipt info from bill table
$pdo = $this->dbutils->openDbAndReturnPdo();
$printInsertSql = "INSERT INTO `%printjobs%` (`id` , `content`,`type`,`printer`) VALUES ( NULL,?,?,?)";
$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($printInsertSql));
$stmt->execute(array((string)($billid),'3',$printer));
echo json_encode("OK");
}
}
public function queueClosingSummary($closingid) {
if (!($this->userrights->hasCurrentUserRight('right_paydesk')) &&
!($this->userrights->hasCurrentUserRight('right_manager')) &&
!($this->userrights->hasCurrentUserRight('right_bill')) &&
!($this->userrights->hasCurrentUserRight('right_waiter')) &&
!($this->userrights->hasCurrentUserRight('is_admin'))
) {
echo "Benutzerrechte nicht ausreichend!";
return false;
} else {
if(session_id() == '') {
session_start();
}
$printer = $_SESSION['receiptprinter'];
$pdo = $this->dbutils->openDbAndReturnPdo();
$printInsertSql = "INSERT INTO `%printjobs%` (`id` , `content`,`type`,`printer`) VALUES ( NULL,?,?,?)";
$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($printInsertSql));
$stmt->execute(array((string)($closingid),'4',$printer));
echo json_encode("OK");
}
}
function isPasswordCorrect($pass,$verbose) {
$sql = "SELECT setting FROM %config% WHERE name=?";
$pdo = $this->dbutils->openDbAndReturnPdo();
$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
$stmt->execute(array("printpass"));
$row =$stmt->fetchObject();
if ($row != null) {
$passInDb = $row->setting;
if ($passInDb != null) {
// plain comparison
if ($pass == $passInDb) {
return true;
} else {
if ($verbose) {
echo "Error: Falscher Printpass!";
}
}
} else {
if ($verbose) {
echo "Error: kein Printpass in DB gesetzt!";
}
}
}
if ($verbose) {
echo "Error: DB konnte nicht abgefragt werden!";
}
return false;
}
function getLogoAsPng() {
$pdo = $this->dbutils->openDbAndReturnPdo();
header("Content-Disposition: attachment; filename=logo.png");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Pragma: no-cache");
header("Expires: Mon, 20 Dec 1998 01:00:00 GMT" );
header('Content-Type: ' . image_type_to_mime_type(IMAGETYPE_PNG));
$sql = "SELECT setting from %logo% WHERE name=?";
$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
$stmt->execute(array('logoimg'));
$row = $stmt->fetchObject();
if ($stmt->rowCount() > 0) {
$img = $row->setting;
$php_img = imagecreatefromstring($img);
imagepng($php_img, NULL);
imagedestroy($php_img);
}
}
function getLogoAsWbmp() {
$pdo = $this->dbutils->openDbAndReturnPdo();
$genInfo = $this->admin->getGeneralConfigItems(false,$pdo);
header("Content-Disposition: attachment; filename=logo.wbmp");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Pragma: no-cache");
header("Expires: Mon, 20 Dec 1998 01:00:00 GMT" );
header('Content-Type: ' . image_type_to_mime_type(IMAGETYPE_WBMP));
$logourl = $genInfo["logourl"];
$img = file_get_contents("../" . $logourl);
$php_img = imagecreatefromstring($img);
$foreground_color = imagecolorallocate($im, 255, 0, 0);
imagewbmp($php_img, NULL, $foreground_color);
imagedestroy($php_img);
}
function getReceiptConfig() {
$pdo = $this->dbutils->openDbAndReturnPdo();
$genInfo = $this->admin->getGeneralConfigItems(false,$pdo);
$retArray = array("decpoint" => $genInfo["decpoint"],
"billlanguage" => $genInfo["billlanguage"],
"version" => $genInfo["version"],
"currency" => $genInfo["currency"],
"companyinfo" => $genInfo["companyinfo"]
);
echo json_encode($retArray);
}
function getNextClosingPrintJobs($md5pass,$language) {
$isCorrect = $this->isPasswordCorrect($md5pass,false);
if ($isCorrect) {
ob_start();
$pdo = $this->dbutils->openDbAndReturnPdo();
$closing = new Closing();
$sql = "SELECT id,content,type,printer FROM %printjobs% WHERE type=? ORDER BY id";
$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
$stmt->execute(array(4));
$result = $stmt->fetchAll();
$closingarray = array();
foreach($result as $aClos) {
$jobid = $aClos['id'];
$closid = $aClos["content"];
$printer = $aClos["printer"];
$theClosing = $closing->getClosingSummaryWoSign($closid, $pdo, false);
$aClosing = array("id" => $jobid,"closing" => $theClosing, "printer" => $printer);
$closingarray[] = $aClosing;
}
echo json_encode($closingarray);
ob_end_flush();
} else {
echo json_encode(array());
}
}
function getNextReceiptPrintJobs($md5pass,$language,$printers) {
$isCorrect = $this->isPasswordCorrect($md5pass,false);
if ($isCorrect) {
ob_start();
$printersArr = explode ( ',', $printers );
$pdo = $this->dbutils->openDbAndReturnPdo();
if (intval($language) > 2) {
$genInfo = $this->admin->getGeneralConfigItems(false,$pdo);
$language = $genInfo["billlanguage"];
}
$bill = new Bill();
$sql = "SELECT id,content,type,printer FROM %printjobs% WHERE type=? ORDER BY id";
$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
$stmt->execute(array(3));
$result = $stmt->fetchAll();
$billarray = array();
foreach($result as $aBill) {
$printJobId = $aBill['id'];
$aBillId = $aBill["content"];
$printer = $aBill["printer"];
if (in_array($printer, $printersArr)) {
$receiptJob = array("id" => $printJobId,"bill" => $bill->getBillWithId($aBillId,$language,$printer));
$billarray[] = $receiptJob;
}
}
echo json_encode($billarray);
ob_end_flush();
} else {
echo json_encode(array());
}
}
function getNextFoodWorkPrintJobs($printer,$md5pass) {
$this->getNextWorkPrintJobs($md5pass,1,$printer);
}
function getNextDrinkWorkPrintJobs($printer,$md5pass) {
$this->getNextWorkPrintJobs($md5pass,2,$printer);
}
function getNextWorkPrintJobs($md5pass,$theType,$printer) {
$isCorrect = $this->isPasswordCorrect($md5pass,false);
if ($isCorrect) {
$pdo = $this->dbutils->openDbAndReturnPdo();
if (is_null($printer)) {
$sql = "SELECT id,content,type FROM %printjobs% WHERE type=? ORDER BY id";
$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
$stmt->execute(array($theType));
} else {
$sql = "SELECT id,content,type FROM %printjobs% WHERE type=? AND printer=? ORDER BY id";
$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
$stmt->execute(array($theType,$printer));
}
$result = $stmt->fetchAll();
$workarray = array();
foreach($result as $aWorkJob) {
$aWork = json_decode($aWorkJob["content"]); // is in json format
$workarray[] = array("id" => $aWorkJob["id"],"content" => $aWork);
}
echo json_encode($workarray);
} else {
echo json_encode(array());
}
}
function deletePrintJob($pass,$id) {
$isCorrect = $this->isPasswordCorrect($pass,false);
if ($isCorrect) {
$sql = "DELETE FROM %printjobs% WHERE id=?";
$pdo = $this->dbutils->openDbAndReturnPdo();
$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
$stmt->execute(array($id));
echo json_encode(array("status" => "OK", "code" => OK, "msg" => "Druckauftrag erfolgreich gelöscht."));
} else {
echo json_encode(array("status" => "ERROR", "code" => ERROR_NOT_AUTHOTRIZED, "msg" => ERROR_NOT_AUTHOTRIZED_MSG));
}
}
}
?>