ordersprinter/webapp/php/queuecontent.php

<?php
require_once ('dbutils.php');
require_once ('products.php');
require_once ('commonutils.php');
require_once ('printqueue.php');
require_once ('utilities/userrights.php');

class QueueContent {
	var $dbutils;
	var $commonUtils;
	var $userrights;
	
	public static $lastSettingOfDisplayMode = 'all';
	
	function __construct() {
		$this->dbutils = new DbUtils();
		$this->commonUtils = new CommonUtils();
		$this->userrights = new Userrights();
	}

	function handleCommand($command) {
		header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0");
		header("Cache-Control: post-check=0, pre-check=0", false);
		header("Pragma: no-cache");
		
		if ($command == "getJsonTableNameFromId") {
			$this->getJsonTableNameFromId($_GET['tableid']);
			return;
		}
		
		// these command are only allowed for user with supply rights
		$cmdArray = array('getJsonAllPreparedProducts', 'getJsonLastDeliveredProducts', 'declareProductBeDelivered', 'declareMultipleProductsDelivered','declareProductNotBeDelivered');
		if (in_array($command, $cmdArray)) {
			if (!($this->userrights->hasCurrentUserRight('right_supply'))) {
				echo "Benutzerrechte nicht ausreichend!";
				return false;
			}
		}

		// these command are only allowed for user with kitchen or bar rights
		$cmdArray = array('declareProductBeCookingOrCooked', 'declareProductNOTBeCooked');
		if (in_array($command, $cmdArray)) {
			if (!($this->userrights->hasCurrentUserRight('right_kitchen')) && !($this->userrights->hasCurrentUserRight('right_bar'))) {
				echo "Benutzerrechte nicht ausreichend!";
				return false;
			}
		}
		
		// these command are only allowed for user with waiter rights
		$cmdArray = array('addProductListToQueue', 'removeProductFromQueue', 'changeTable','getProdsForTableChange');
		if (in_array($command, $cmdArray)) {
			if (!($this->userrights->hasCurrentUserRight('right_waiter'))) {
				echo "Benutzerrechte nicht ausreichend!";
				return false;
			}
		}
		
		// these command are only allowed for user with paydesk rights
		$cmdArray = array('getJsonProductsOfTableToPay', 'declarePaidCreateBillReturnBillId');
		if (in_array($command, $cmdArray)) {
			if (!($this->userrights->hasCurrentUserRight('right_paydesk'))) {
				echo json_encode(array("status" => "ERROR", "code" => ERROR_PAYDESK_NOT_AUTHOTRIZED, "msg" => ERROR_PAYDESK_NOT_AUTHOTRIZED_MSG));
				return false;
			}
		}
		
		if ($command == 'addProductListToQueue') {
			$this->addProductListToQueue($_POST["tableid"],$_POST["prods"],$_POST["print"],$_POST["payprinttype"]);
		} else if ($command == 'getRecords') {
			$this->getRecords($_GET["tableid"]);
		} else if ($command == 'kitchenToCook') {
			$this->kitchenToCook();
		} else if ($command == 'declareProductBeCookingOrCooked') {
			$this->declareProductBeCookingOrCooked($_POST['queueid'],$_POST['action']);
		} else if ($command == 'declareProductNotBeCooked') {
			$this->declareProductNotBeCooked($_POST['queueid']);
		} else if ($command == 'showProductsOfTableToPay') {
			$this->showProductsOfTableToPay($_GET['tableid']);
		} else if ($command == 'getJsonAllPreparedProducts') {
			$this->getJsonAllPreparedProducts();
		} else if ($command == 'declareProductBeDelivered') {
			$this->declareProductBeDelivered($_POST['queueid']);
		} else if ($command == 'declareMultipleProductsDelivered') {
			$this->declareMultipleProductsDelivered($_POST['queueids']);
		} else if ($command == 'declareProductNotBeDelivered') {
			$this->declareProductNotBeDelivered($_POST['queueid']);
		} else if ($command == 'getJsonLongNamesOfProdsForTableNotDelivered') {
			$this->getJsonLongNamesOfProdsForTableNotDelivered($_GET["tableid"]);
		} else if ($command == 'getUnpaidTables') {
			$this->getUnpaidTables();
		} else if ($command == 'getProdsForTableChange') {
			$this->getProdsForTableChange($_GET['tableId']);
		} else if ($command == 'changeTable') {
			$this->changeTable($_POST['fromTableId'],$_POST['toTableId'],$_POST['queueids']);
		} else if ($command == 'removeProductFromQueue') {
			$this->removeProductFromQueue($_POST["queueid"],$_POST["isPaid"],$_POST["isCooking"],$_POST["isReady"]);
		} else if ($command == 'getJsonAllQueueItemsToMake') {
			$this->getJsonAllQueueItemsToMake(intval($_GET["kind"]));
		} else if ($command == 'getJsonLastMadeItems') {
			$this->getJsonLastMadeItems(intval($_GET["kind"]));
		} else if ($command == 'getJsonLastDeliveredProducts') {
			$this->getJsonLastDeliveredProducts();
		} else if ($command == 'getJsonProductsOfTableToPay') {
			$this->getJsonProductsOfTableToPay($_GET['tableid']);
		} else if ($command == 'declarePaidCreateBillReturnBillId') {
			$pdo = DbUtils::openDbAndReturnPdoStatic();
			$this->declarePaidCreateBillReturnBillId($pdo,$_POST['ids'],$_POST['tableid'],$_POST['paymentid'],$_POST['declareready'],$_POST['host'],false,$_POST['reservationid'],$_POST['guestinfo'],$_POST['intguestid']);
		} else {
			echo "Command not supported.";
		}
	}

	private static function setNewProductsToServe($pdo,$val) {
		$sql = "SELECT count(id) as countid FROM %work% WHERE item=?";
		$row = CommonUtils::getRowSqlObject($pdo, $sql, array("newproductstoserve"));
		if ($row->countid == 0) {
			$sql = "INSERT INTO %work% (item,value,signature) VALUES (?,?,?)";
			CommonUtils::execSql($pdo, $sql, array("newproductstoserve",$val,null));
		} else {
			$sql = "UPDATE %work% SET value=? WHERE item=?";
			CommonUtils::execSql($pdo, $sql, array($val,"newproductstoserve"));
		}
	}
	
	private static function getNewProductsToServe($pdo) {
		$sql = "SELECT count(id) as countid FROM %work% WHERE item=?";
		$row = CommonUtils::getRowSqlObject($pdo, $sql, array("newproductstoserve"));
		if ($row->countid == 0) {
			return 0;
		} else {
			$sql = "SELECT value FROM %work% WHERE item=?";
			$row = CommonUtils::getRowSqlObject($pdo, $sql, array("newproductstoserve"));
			return $row->value;
		}
	}
	
	function getJsonTableNameFromId($tableid) {
		$pdo = DbUtils::openDbAndReturnPdoStatic();
		$commonUtils = new CommonUtils();
		echo json_encode($commonUtils->getTableNameFromId($pdo,$tableid));
	}

	function getUserName($userid) {
		$pdo = $this->dbutils->openDbAndReturnPdo();
		
		if (is_null($userid)) {
			return "";
		}
		$sql = "SELECT username FROM %user% WHERE id=?";
		$row = CommonUtils::getRowSqlObject($pdo, $sql, array($userid));
		if ($row != null) {
			return($row->username);
		} else {
			return "";
		}
	}
	
	private function areBillExisting($pdo) {
		$sql = "SELECT count(id) as countid FROM %bill%";
		$row = CommonUtils::getRowSqlObject($pdo, $sql, null);
		$count = intval($row->countid);
		if ($count > 0) {
			return true;
		} else {
			return false;
		}
	}
	
	/*
	 * Get the queue items for the kitchen view that have to be still be cooked
	 * as a json element array
	 * 
	 * 1. It is sorted for ordertime
	 * 2. From this ordertime search for the distinct tables
	 * 3. Sort it that way that tables are grouped together
	 * 
	 * $kind=0 -> return only food elements, =1 -> return drinks
	 */
	private function getJsonAllQueueItemsToMake($kind) {
		date_default_timezone_set(DbUtils::getTimeZone());
		$currentTime = date('Y-m-d H:i:s');
		
		$pdo = $this->dbutils->openDbAndReturnPdo();
		
		Guestsync::sync($pdo);
		
		
		
		if ($this->areBillExisting($pdo)) {
			$sql = "SELECT DISTINCT %queue%.id as id,%resttables%.id as tableid,tablenr,longname,anoption,tableno,date_format(ordertime,'%Y-%m-%d %H:%i:00') as ordertime,cooking,TIMESTAMPDIFF(MINUTE,ordertime,?) AS waittime FROM %queue%,%products%,%prodtype%,%resttables%,%bill% ";
		} else {
			$sql = "SELECT DISTINCT %queue%.id as id,%resttables%.id as tableid,tablenr,longname,anoption,tableno,date_format(ordertime,'%Y-%m-%d %H:%i:00') as ordertime,cooking,TIMESTAMPDIFF(MINUTE,ordertime,?) AS waittime FROM %queue%,%products%,%prodtype%,%resttables% ";
		}
		$sql .= "WHERE (readytime IS NULL AND ";
		$sql .= " ordertime is not null AND ";
		$sql .= "%queue%.productid=%products%.id AND ";
		$sql .= "%queue%.tablenr = %resttables%.id AND ";
		$sql .= "%products%.category=%prodtype%.id AND ";
		$sql .= "%prodtype%.kind=? AND ";
		$sql .= "%queue%.isclosed is null AND ";
		$sql .= "%queue%.workprinted='0') ";
		
		if ($this->areBillExisting($pdo)) {
			$sql .= "AND (%queue%.billid is null  OR (";
			$sql .= "%queue%.billid=%bill%.id AND %bill%.closingid is null)) ";
		}
		
		$sql .= "ORDER BY ordertime,longname,anoption,cooking DESC,%queue%.id";
		
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		$stmt->execute(array($currentTime,$kind));
		
		$result1 = $stmt->fetchAll();
		
		$sql = "SELECT DISTINCT q.id as id,'-' as tableid,'-' as tablenr,longname,anoption,'-' as tableno,date_format(ordertime,'%Y-%m-%d %H:%i:00') as ordertime,cooking,TIMESTAMPDIFF(MINUTE,ordertime,?) AS waittime FROM %products%,%prodtype%,%queue% q LEFT OUTER JOIN %bill% b ";
		$sql .= " ON q.billid=b.id ";
		$sql .= "WHERE (readytime IS NULL AND ";
		$sql .= " ordertime is not null AND ";
		$sql .= "q.productid=%products%.id AND ";
		$sql .= "q.tablenr is null AND ";
		$sql .= "%products%.category=%prodtype%.id AND ";
		$sql .= "%prodtype%.kind=? AND ";
		$sql .= "q.isclosed is null AND ";
		$sql .= "q.workprinted='0') ";
		$sql .= "AND (q.billid is null  OR ( ";
		$sql .= "b.closingid is null)) ";
		$sql .= "ORDER BY ordertime,longname,anoption,cooking DESC";
		
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		$stmt->execute(array($currentTime,$kind));
		$result2 = $stmt->fetchAll();
		
		$result = array_merge($result1,$result2);
		
		
		$resultarray = array();
		
		foreach($result as $zeile) {
			$waitTime = $zeile['waittime'];
			$cook = $zeile['cooking'];
			if (is_null($cook)) {
				$cook = 0;
			}
			
			$arr = array("id" => $zeile['id'],
					"tableid" => $zeile['tableid'],
					"tablenr" => $zeile['tableno'],
					"longname" => $zeile['longname'],
					"option" => $zeile['anoption'],
					"cooking" => $cook,
					"waittime" => $waitTime
					);
			$resultarray[] = $arr;
		}

		$tablearray = array();
		$insertedTables = array();
		$table = (-1);
		if (count($resultarray) <> 0) {
			for ($queue_index=0;$queue_index < count($resultarray);$queue_index++) {
				$aTable = $resultarray[$queue_index]['tablenr'];
				if (($table <> $aTable) && !in_array($aTable,$insertedTables)) {
					$table = $aTable;
					$tableid = $resultarray[$queue_index]['tableid'];
					$maxWaitTime = $resultarray[$queue_index]['waittime'];
					$tableArr = array();
					for ($i=0;$i<count($resultarray);$i++) {
						if ($resultarray[$i]['tablenr'] == $table) {
							$foundItem = $resultarray[$i];
							$waittimeofentry = intval($foundItem['waittime']);
							$waitIconMinStep = 1;
							if ($waittimeofentry <= 1) {
								$waitIconMinStep = 1;
							} else if ($waittimeofentry <= 20) {
								$waitIconMinStep = strval($waittimeofentry);
							} else if ($waittimeofentry <= 25) {
								$waitIconMinStep = 25;
							} else if ($waittimeofentry <= 30) {
								$waitIconMinStep = 30;
							} else if ($waittimeofentry <= 40) {
								$waitIconMinStep = 40;
							} else if ($waittimeofentry <= 50) {
								$waitIconMinStep = 50;
							} else {
								$waitIconMinStep = 60;
							}
							$waitIconMinStep = $waitIconMinStep . 'min.png';
							
							$extras = $this->getExtrasOfQueueItem($pdo,$foundItem['id']);
								
							$anEntryForThisTable = array("id" => $foundItem['id'],
									"longname" => $foundItem['longname'],
									"option" => $foundItem['option'],
									"extras" => $extras,
									"cooking" => $this->getUserName($foundItem['cooking']),
									"waiticon" => $waitIconMinStep,
									"waittime" => $waittimeofentry
							);
							$tableArr[] = $anEntryForThisTable;
						}
					}
					if (($maxWaitTime > 20) && ($maxWaitTime < 60)) {
						if ($maxWaitTime >= 50) {
							$maxWaitTime = "> 50";
						} else if ($maxWaitTime >= 40) {
							$maxWaitTime = "> 40";
						} else if ($maxWaitTime >= 30) {
							$maxWaitTime = "> 30";
						} else if ($maxWaitTime >= 25) {
							$maxWaitTime = "> 25";
						} else {
							$maxWaitTime = "> 20";
						}
					} else if ($maxWaitTime <= 1) {
						$maxWaitTime = "1";
					}
					
					$tablearray[] = array("table" => $table, "tableid" => $tableid,"count" => count($tableArr), "queueitems" => $tableArr, "maxwaittime" => $maxWaitTime);
					$insertedTables[] = $aTable;
				}
			}
		}
		echo json_encode($tablearray);
	}
	
	private function getExtrasOfQueueItem($pdo,$queueid) {
		if (is_null($pdo)) {
			$pdo = $this->dbutils->openDbAndReturnPdo();
		}
		$sql = "SELECT name FROM %queueextras% WHERE queueid=?";
		$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
		$stmt->execute(array($queueid));
		$extras = $stmt->fetchAll();
		$extrasarr = array();
		foreach($extras as $anExtra) {
			$extrasarr[] = $anExtra["name"];
		}
		return $extrasarr;
	}
	
	private function getExtrasWithIdsOfQueueItem($pdo,$queueid) {
		if (is_null($pdo)) {
			$pdo = $this->dbutils->openDbAndReturnPdo();
		}
		$sql = "SELECT name,extraid FROM %queueextras% WHERE queueid=?";
		$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
		$stmt->execute(array($queueid));
		$extras = $stmt->fetchAll();
		$extrasnames = array();
		$extrasids = array();
		foreach($extras as $anExtra) {
			$extrasnames[] = $anExtra["name"];
			$extrasids[] = $anExtra["extraid"];
		}
		return array("extrasnames" => $extrasnames,"extrasids" => $extrasids);
	}
	
	
	private function getJobsToPrint($pdo,$kind,$printer,$queueIds) {
		if (is_null($queueIds) || (count($queueIds) == 0)) {
			return array();
		}
		$queueStr = implode(',',$queueIds);

		$decpoint = CommonUtils::getConfigValue($pdo, 'decpoint', '.');

		$groupWorkItems = 'groupworkitemsf';
		if ($kind == 1) {
			$groupWorkItems = 'groupworkitemsd';
		}
		$sql = "SELECT setting FROM %config% where name=?";
		$row = CommonUtils::getRowSqlObject($pdo, $sql, array($groupWorkItems));
		$groupworkitems = $row->setting;
		if (is_null($groupworkitems)) {
			$groupworkitems = 1;
		}
		
		$sql = "SELECT %queue%.id as id,%queue%.tablenr as tableid, %queue%.productid,%queue%.productname as longname,%queue%.price as price,%queue%.togo as togo,anoption,%prodtype%.kind as kind,%prodtype%.printer as printer FROM %queue%,%products%,%prodtype% WHERE %prodtype%.kind=? AND %queue%.id IN ($queueStr) AND productid=%products%.id AND %products%.category=%prodtype%.id ORDER BY longname";
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		$stmt->execute(array($kind));
		$queueItems = $stmt->fetchAll();

		$jobs = array();
		foreach($queueItems as $aQueueItem) {
			$thePrinter = $aQueueItem["printer"];
			
			$queueid = $aQueueItem["id"];
			$tableid = $aQueueItem["tableid"];
			
			if (!is_null($tableid) && ($tableid != 0)) {
				$sql = "SELECT DISTINCT %room%.printer as printer FROM %queue%,%resttables%,%room% WHERE %resttables%.id=? AND %resttables%.roomid=%room%.id LIMIT 1";
				$row = CommonUtils::getRowSqlObject($pdo, $sql, array($tableid));
				$roomPrinter = $row->printer;
				if (!is_null($roomPrinter)) {
					$thePrinter = $roomPrinter;
				}
			}

			if ($thePrinter == $printer) {
				$extras = $this->getExtrasOfQueueItem($pdo,$queueid);
				$formattedPrice = number_format($aQueueItem["price"], 2, $decpoint, '');
				
				$theEntry = array(
						"id" => $queueid,
						"productid" => $aQueueItem["productid"],
						"longname" => $aQueueItem["longname"],
						"singleprod" => $aQueueItem["longname"],
						"price" => $formattedPrice,
						"togo" => $aQueueItem["togo"],
						"anoption" => $aQueueItem["anoption"],
						"kind" => $aQueueItem["kind"],
						"printer" => $aQueueItem["printer"],
						"extras" => $extras			
				);
				if ($groupworkitems) {
					$this->grouping($jobs, $theEntry);
				} else {
					$jobs[] = $theEntry;
				}
			}
		}

		if ($groupworkitems == 1) {
			foreach($jobs as &$aJob) {
				$aJob["singleprod"] = $aJob["longname"];
				$cnt = $aJob["count"];
				$aJob["longname"] = $cnt . "x " . $aJob["longname"];
				$aJob["allqueueids"] = $queueIds;
			}
		}
		
		return $jobs;
	}
	
	
	private function grouping(&$collection,$entry) {
		$extrasTxt = join(",",$entry["extras"]);
		$found = false;
		foreach($collection as &$anEntry) {
			if (($anEntry["longname"] == $entry["longname"]) && ($anEntry["price"] == $entry["price"]) && ($anEntry["togo"] == $entry["togo"]) && ($anEntry["anoption"] == $entry["anoption"]) && (join(",",$anEntry["extras"]) == $extrasTxt)) {
				$found = true;
				$anEntry["count"] = $anEntry["count"] + 1;
			}
		}
		if (!$found) {
			$collection[] = array("id" => $entry["id"],
					"productid" => $entry["productid"],
					"longname" => $entry["longname"],
					"singleprod" => $entry["singleprod"],
					"printer" => $entry["printer"],
					"anoption" => $entry["anoption"],
					"price" => $entry["price"],
					"togo" => $entry["togo"],
					"kind" => $entry["kind"],
					"extras" => $entry["extras"],
					"count" => 1
			);
		}
	}
	
	private function filterKindQueueIds($pdo,$idArr,$kind) {
		$retArr = array();
		if (is_null($idArr) || (count($idArr) == 0)) {
			return $retArr;
		}

		$sql = "SELECT %queue%.id as id,kind from %prodtype%,%products%,%queue% where %queue%.id=? AND productid=%products%.id AND category=%prodtype%.id";
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		foreach($idArr as $id) {
			$stmt->execute(array($id));
			$row = $stmt->fetchObject();
			if ($row->kind == $kind) {
				$retArr[] = $id;
			}
		}
		return $retArr;
	}
	
	private function doWorkPrint($pdo,$theTableid,$insertedQueueIds,$username,$payPrintType,$lang,$declareReadyDelivered = true) {
	    $oneProdForEachWorkRecf = CommonUtils::getConfigValue($pdo, 'oneprodworkrecf', 0);
	    $oneProdForEachWorkRecd = CommonUtils::getConfigValue($pdo, 'oneprodworkrecd', 0);
	    
	    $foodIds = $this->filterKindQueueIds($pdo, $insertedQueueIds, 0);
	    $drinkIds = $this->filterKindQueueIds($pdo, $insertedQueueIds, 1);
	    
	    if (($payPrintType != "s") || ($oneProdForEachWorkRecf == 0)) {
		$this->doWorkPrintCore($pdo,$theTableid,$foodIds,$username,$payPrintType,$lang,$declareReadyDelivered);
	    }
	    if (($payPrintType != "s") || ($oneProdForEachWorkRecd == 0)) {
		$this->doWorkPrintCore($pdo,$theTableid,$drinkIds,$username,$payPrintType,$lang,$declareReadyDelivered);
	    }

	    if ($payPrintType != 's') {
		    return;
	    }
	    if ($oneProdForEachWorkRecf == 1) {
		foreach($foodIds as $aQueueId) {
		    $this->doWorkPrintCore($pdo,$theTableid,array($aQueueId),$username,$payPrintType,$lang,$declareReadyDelivered);
		}
	    }
	    if ($oneProdForEachWorkRecd == 1) {
		foreach($drinkIds as $aQueueId) {
		    $this->doWorkPrintCore($pdo,$theTableid,array($aQueueId),$username,$payPrintType,$lang,$declareReadyDelivered);
		}
	    }
	}
	
	private function doWorkPrintCore($pdo,$theTableid,$insertedQueueIds,$username,$payPrintType,$lang,$declareReadyDelivered = true) {

		$foodJobsPrinter1 = $this->getJobsToPrint($pdo, 0, 1, $insertedQueueIds);
		$foodJobsPrinter2 = $this->getJobsToPrint($pdo, 0, 2, $insertedQueueIds);
		$drinkJobsPrinter1 = $this->getJobsToPrint($pdo, 1, 1, $insertedQueueIds);
		$drinkJobsPrinter2 = $this->getJobsToPrint($pdo, 1, 2, $insertedQueueIds);
		
		if ($payPrintType == "s") {
			$this->createAWorkReceiptAndQueueWorkPrint($pdo,$foodJobsPrinter1,$theTableid,0,1,$username,$lang);	
			$this->createAWorkReceiptAndQueueWorkPrint($pdo,$foodJobsPrinter2,$theTableid,0,2,$username,$lang);	
			$this->createAWorkReceiptAndQueueWorkPrint($pdo,$drinkJobsPrinter1,$theTableid,1,1,$username,$lang);
			$this->createAWorkReceiptAndQueueWorkPrint($pdo,$drinkJobsPrinter2,$theTableid,1,2,$username,$lang);	
		} 
		if ($declareReadyDelivered) {
			$printAndQueueJobs = CommonUtils::getConfigValue($pdo, "printandqueuejobs", 0);
			if ($printAndQueueJobs == 0) {
				$this->declareReadyAndDelivered($pdo, $insertedQueueIds);
			}	
		}
		
		$result = array_merge($foodJobsPrinter1,$foodJobsPrinter2,$drinkJobsPrinter1,$drinkJobsPrinter2);
		return $result;	
	}
	
	private function declareReadyAndDelivered($pdo,$queueids) {
		date_default_timezone_set(DbUtils::getTimeZone());
		$now = date('Y-m-d H:i:s');
		$germanTime = date('H:i');
		$sql = "UPDATE %queue% SET workprinted='1',readytime=?,delivertime=? WHERE id=?";
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		foreach($queueids as $anId) {	
			$stmt->execute(array($now,$now,$anId));
		}
	}
	private function createAWorkReceiptAndQueueWorkPrint($pdo,$jobs,$theTableid,$kind,$printer,$user,$lang) {
		if (count($jobs) < 1) {
			return;
		}
		date_default_timezone_set(DbUtils::getTimeZone());
		$germanTime = date('H:i');
		
		$resultarray = array();
		foreach($jobs as $aJob) {
			$queueId = $aJob["id"];
			
			$extras = $this->getExtrasOfQueueItem($pdo,$queueId);
			
			$togo = "";
			if ($aJob['togo'] == 1) {
				$togo = "To-Go";
			}
			$arr = array("id" => $queueId,
					"longname" => $aJob['longname'],
					"singleprod" => $aJob['singleprod'],
					"price" => $aJob['price'],
					"togo" => $togo,
					"option" => $aJob['anoption'],
					"extras" => $extras,
					"ordertime" => $germanTime,
					"kind" => $kind,
					"printer" => $printer,
					"allqueueids" => $aJob["allqueueids"]
			);
			$resultarray[] = $arr;
		}
		
		if (is_null($theTableid) || ($theTableid == 0)) {
			$takeAwayStr = array("Zum Mitnehmen","Take away","Para llevar");
			$tablename = $takeAwayStr[$lang];
		} else {
			$sql = "SELECT tableno,%room%.abbreviation FROM %resttables%,%room% WHERE %resttables%.id=? AND %resttables%.roomid=%room%.id";
			$row = CommonUtils::getRowSqlObject($pdo, $sql, array($theTableid));
			
			if (is_null($row->abbreviation) || ($row->abbreviation == '')) {
				$tablename = $row->tableno;
			} else {
				$tablename = $row->abbreviation . "-" . $row->tableno;
			}
		}
		
		PrintQueue::queueWorkPrintJob($pdo, $tablename, $germanTime, $resultarray, $kind, $printer, $user);
	}
	
	private function getJsonLastMadeItems($kind) {
		$pdo = DbUtils::openDbAndReturnPdoStatic();
		if ($this->areBillExisting($pdo)) {
			$sql = "SELECT DISTINCT %queue%.id as id,tablenr,longname,anoption,tableno,readytime,%products%.id as prodid FROM %queue%,%products%,%prodtype%,%resttables%,%bill% ";
		} else {
			$sql = "SELECT DISTINCT %queue%.id as id,tablenr,longname,anoption,tableno,readytime,%products%.id as prodid FROM %queue%,%products%,%prodtype%,%resttables% ";
		}
		$sql .= "WHERE (readytime IS NOT NULL AND ";
		$sql .= "delivertime IS NULL AND ";
		$sql .= "ordertime is not null AND ";
		$sql .= "%queue%.productid=%products%.id AND ";
		$sql .= "%queue%.tablenr = %resttables%.id AND ";
		$sql .= "%products%.category=%prodtype%.id AND ";
		$sql .= "%prodtype%.kind=? AND ";
		$sql .= "%queue%.isclosed is null AND ";
		$sql .= "%queue%.workprinted='0') ";
		
		if ($this->areBillExisting($pdo)) {
			$sql .= "AND (%queue%.billid is null  OR (";
			$sql .= "%queue%.billid=%bill%.id AND %bill%.closingid is null)) ";
		}
		$sql .= "ORDER BY readytime DESC LIMIT 10;";
		
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		$stmt->execute(array($kind));
		$result1 = $stmt->fetchAll();
		
		if ($this->areBillExisting($pdo)) {
			$sql = "SELECT DISTINCT %queue%.id as id,0 as tablenr,longname,anoption,'-' as tableno,readytime,%products%.id as prodid FROM %queue%,%products%,%prodtype%,%bill% ";
		} else {
			$sql = "SELECT DISTINCT %queue%.id as id,0 as tablenr,longname,anoption,'-' as tableno,readytime,%products%.id as prodid FROM %queue%,%products%,%prodtype% ";
		}
		
		$sql .= "WHERE (readytime IS NOT NULL AND ";
		$sql .= "delivertime IS NULL AND ";
		$sql .= "ordertime is not null AND ";
		$sql .= "%queue%.productid=%products%.id AND ";
		$sql .= "%queue%.tablenr is null AND ";
		$sql .= "%products%.category=%prodtype%.id AND ";
		$sql .= "%prodtype%.kind=? AND ";
		$sql .= "%queue%.isclosed is null AND ";
		$sql .= "%queue%.workprinted='0') ";
		
		if ($this->areBillExisting($pdo)) {
			$sql .= "AND (%queue%.billid is null  OR (";
			$sql .= "%queue%.billid=%bill%.id AND %bill%.closingid is null)) ";
		}
		
		$sql .= "ORDER BY readytime DESC LIMIT 10;";
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		$stmt->execute(array($kind));
		$result2 = $stmt->fetchAll();
		
		$result = array_merge($result1,$result2);
		
		$resultarray = array();
		foreach($result as $zeile) {
			$extras = $this->getExtrasOfQueueItem($pdo,$zeile['id']);

			$productid = $zeile['prodid'];
			$useConditions = $this->getUseKitchenAndSupplyForProd($pdo,$productid);
			if ($useConditions["usekitchen"] == 1) {
				$arr = array("id" => $zeile['id'],
						"tablename" => $zeile['tableno'],
						"longname" => $zeile['longname'],
						"option" => $zeile['anoption'],
						"extras" => $extras,
						"readytime" => $zeile['readytime']
				);
				$resultarray[] = $arr;
			}
		}
		
		$resultarray = $this->appendProdsForBarKitchenAndAutoDelivery($pdo,$kind, $resultarray);
		
		echo json_encode($resultarray);
	}

	private function appendProdsForBarKitchenAndAutoDelivery($pdo,$kind,$resultarray) {
		$sql = "SELECT DISTINCT q.id as id,tableno as tablename,longname,delivertime,anoption,p.id as prodid ";
		$sql .= "FROM %queue% q ";
		$sql .= "LEFT JOIN %bill% b ON q.billid=b.id ";
		
		$sql .= "INNER JOIN %products% p ON q.productid=p.id ";
		$sql .= "INNER JOIN %prodtype% t ON p.category=t.id AND t.kind=? AND t.usesupplydesk='0' AND t.usekitchen='1' ";
		$sql .= "LEFT JOIN %resttables% r ON q.tablenr=r.id ";
		$sql .= "WHERE q.workprinted='0' AND toremove <> '1' AND q.readytime IS NOT NULL AND ordertime is not null ";
		$sql .= " AND (q.billid is null OR (q.billid=b.id AND b.closingid is null)) ";
		$sql .= "ORDER BY q.delivertime DESC LIMIT 50";

		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		$stmt->execute(array($kind));
		$result = $stmt->fetchAll();
		foreach ($result as $zeile) {
			$extras = $this->getExtrasOfQueueItem($pdo,$zeile['id']);
			$deliveredProd = array(
					"id" => $zeile['id'],
					"tablename" => $zeile['tablename'],
					"longname" => $zeile['longname'],
					"option" => $zeile['anoption'],
					"extras" => $extras,
					"readytime" => $zeile['delivertime']
					);
			$resultarray[] = $deliveredProd;
		}
		return($resultarray);
	}
	
	function getTableIdOfQueue($pdo,$queueid) {
	    $sql = "SELECT tablenr as tableid FROM %queue% WHERE id=?";
	    $row = CommonUtils::getRowSqlObject($pdo, $sql, array($queueid));
	    return $row->tableid;
	}
	
	/*
	 * Kitchen can delare a product as being cooked
	 */
	function declareProductBeCookingOrCooked($queueid,$action) {
		if (is_numeric($queueid)) {
			$pdo = $this->dbutils->openDbAndReturnPdo();
			$pdo->beginTransaction();
			
			$sql = "SELECT cooking,productid FROM %queue% WHERE id=?";
			$row = CommonUtils::getRowSqlObject($pdo, $sql, array($queueid));
			if ($row != null) {
				$cooking = $row->cooking;
				$productid = $row->productid;
				
				if ($action == 'r') {
					if (is_null($cooking)) {
						$pdo->rollBack();
						echo json_encode(array("status" => "ERROR", "code" => ERROR_DB_PAR_ACCESS, "msg" => ERROR_DB_PAR_ACCESS_MSG));
					} else {
						$this->reallyDeclareAsCooked($pdo,$queueid);
						$useConditions = $this->getUseKitchenAndSupplyForProd($pdo,$productid);
						if ($useConditions["usesupply"] == 0) {
							$this->declareProductBeDeliveredWithGivenPdo($pdo,$queueid);
						} else {
							self::setNewProductsToServe($pdo, 1);
						}
						
						$payprinttype = CommonUtils::getConfigValue($pdo, 'payprinttype', "l");
						$digiprintwork = CommonUtils::getConfigValue($pdo, 'digiprintwork', 1);
						if (($payprinttype === 's') && ($digiprintwork == 1)) {
						    $theTableid = $this->getTableIdOfQueue($pdo, $queueid);
						    if (is_null($theTableid)) {
							$theTableid = 0;
						    }
						    $this->doWorkPrint($pdo,$theTableid,array($queueid),$_SESSION['currentuser'],$payprinttype, $_SESSION['language'],false);
						}
						$pdo->commit();
						echo json_encode(array("status" => "OK"));
					}
				} else if ($action == 'c') {
					if (!is_null($cooking)) {
						$pdo->rollBack();
						echo json_encode(array("status" => "ERROR", "code" => ERROR_DB_PAR_ACCESS, "msg" => ERROR_DB_PAR_ACCESS_MSG));
					} else {
						$userid = $this->getUserId();
						$updSql = "UPDATE %queue% SET cooking=? WHERE id=?";
						$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($updSql));
						$stmt->execute(array($userid,$queueid));
						$pdo->commit();
						echo json_encode(array("status" => "OK"));
					}
				}
			} else {
				$pdo->rollBack();
			}
		} else {
			echo json_encode(array("status" => "ERROR", "code" => ERROR_GENERAL_ID_TYPE, "msg" => ERROR_GENERAL_ID_TYPE_MSG));
		}
	}
	
	private function reallyDeclareAsCooked($pdo,$queueid) {
		date_default_timezone_set(DbUtils::getTimeZone());
		$readytime = date('Y-m-d H:i:s');
		$insertSql = "UPDATE %queue% SET readytime=? WHERE id=?";
		$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($insertSql));
		$stmt->execute(array($readytime,$queueid));
	}
	
	/*
	 * Product is not cooked (undo of kitchen)
	 */
	function declareProductNotBeCooked($queueid) {
		if (is_numeric($queueid)) {
			$pdo = $this->dbutils->openDbAndReturnPdo();
			$pdo->beginTransaction();
			
			$sql = "SELECT id FROM  %queue% WHERE id=? AND readytime IS NOT NULL";
			$row = CommonUtils::getRowSqlObject($pdo, $sql, array($queueid));
			if ($row != null) {
				$foundid = $row->id;
				if ($foundid == $queueid) {
					$sql = "UPDATE %queue% SET readytime=?, delivertime=?, cooking=NULL WHERE id=?";
					$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
					$stmt->execute(array(null,null,$queueid));
					$pdo->commit();
					echo json_encode(array("status" => "OK"));
				} else {
					echo json_encode(array("status" => "ERROR", "code" => ERROR_DB_PAR_ACCESS, "msg" => ERROR_DB_PAR_ACCESS_MSG));
					$pdo->rollBack();
				}
			} else {
				$pdo->rollBack();
				echo json_encode(array("status" => "ERROR", "code" => ERROR_DB_PAR_ACCESS, "msg" => ERROR_DB_PAR_ACCESS_MSG));
			}
		} else {
			echo json_encode(array("status" => "ERROR", "code" => ERROR_GENERAL_ID_TYPE, "msg" => ERROR_GENERAL_ID_TYPE_MSG));
		}
	}

	private function findCategoryOfProd($pdo,$prodid) {
		$sql = "SELECT category FROM %products% WHERE id=?";
		$row = CommonUtils::getRowSqlObject($pdo, $sql, array($prodid));
		return $row->category;
	}
	
	private function getUseKitchenAndSupplyForProdInCat($pdo,$catid) {
		$sql = "SELECT usekitchen, usesupplydesk FROM %prodtype% WHERE id=?";
		$row = CommonUtils::getRowSqlObject($pdo, $sql, array($catid));
		return array("usekitchen" => $row->usekitchen, "usesupply" => $row->usesupplydesk);
	}
	
	private function getUseKitchenAndSupplyForProd($pdo,$prodid) {
		$catid = $this->findCategoryOfProd($pdo,$prodid);
		return $this->getUseKitchenAndSupplyForProdInCat($pdo,$catid);
	}
	
	private function getUseKitchenAndSupplyForProdWithPdo($pdo,$prodid) {
		$sql = "SELECT usekitchen, usesupplydesk FROM %prodtype%,%products% WHERE %products%.category=%prodtype%.id AND %products%.id=?";
		$row = CommonUtils::getRowSqlObject($pdo, $sql, array($prodid));
		if ($row != null) {
			return array("usekitchen" => $row->usekitchen, "usesupply" => $row->usesupplydesk);
		} else {
			return array("usekitchen" => "1", "usesupply" => "1");
		}
	}
	
	function getRecords($tableid) {
		if (!($this->userrights->hasCurrentUserRight('right_waiter')) &&  !($this->userrights->hasCurrentUserRight('right_paydesk'))) {
			echo json_encode(array("status" => "ERROR","msg" => "Benutzerrechte nicht ausreichend"));
			return false;
		}
			
		$pdo = DbUtils::openDbAndReturnPdoStatic();
		if ($tableid != 0) {
			$sql = "SELECT id,TIME(date) as time,(IF(userid is null,'-',(SELECT username FROM %user% WHERE %user%.id=userid))) as username,action,tableid FROM %records% WHERE tableid=? ORDER BY time DESC";
			$entries = CommonUtils::fetchSqlAll($pdo, $sql, array($tableid));
		} else {
			$sql = "SELECT id,TIME(date) as time,(IF(userid is null,'-',(SELECT username FROM %user% WHERE %user%.id=userid))) as username,action,tableid FROM %records% WHERE tableid is null ORDER BY time DESC";
			$entries = CommonUtils::fetchSqlAll($pdo, $sql, null);
		}
		$records = array();
		foreach($entries as $anEntry) {
			$sql = "SELECT queueid FROM %recordsqueue% WHERE recordid=?";
			$queueids = CommonUtils::fetchSqlAll($pdo, $sql, array($anEntry["id"]));
			$prods = array();
			foreach($queueids as $queueid) {
				$sql = "SELECT productid,longname FROM %products%,%queue% WHERE %queue%.id=? AND %queue%.productid=%products%.id";
				$prodInfo = CommonUtils::fetchSqlAll($pdo, $sql, array($queueid["queueid"]));
				if (count($prodInfo) == 0) {
					break;
				}

				$sql = "SELECT extraid,name FROM %queueextras% WHERE queueid=?";
				$extras = CommonUtils::fetchSqlAll($pdo, $sql, array($queueid["queueid"]));

				$extrasArr = array();
				foreach($extras as $e) {
					$extrasArr[] = $e["name"];
				}
				$extrasStr = implode(',', $extrasArr);
				
				$prods[] = array("name" => $prodInfo[0]["longname"],"extras" => $extrasStr);
			}
			$records[] = array("id" => $anEntry["id"],"time" => $anEntry["time"],"username" => $anEntry["username"],"action" => $anEntry["action"],"prods" => $prods);
		}
		echo json_encode(array("status" => "OK","msg" => $records));
	}
	
	/*
	 * Add a product list to the queue as if it was ordered by the waiter.
	 * The ordertime is set by the time that this method is invoked.
	 *
	 * If product shall not be run over kitchen or supplydesk this is
	 * managed here as well
	*/
	function addProductListToQueue($theTableid,$prods,$doPrint,$payprinttype) {
		
		if (intval($theTableid) == 0) {
			$theTableid = null; // togo room
		}
		
		if(session_id() == '') {
			session_start();
		}
		
		date_default_timezone_set(DbUtils::getTimeZone());
		$ordertime = date('Y-m-d H:i:s');
				
		$pdo = $this->dbutils->openDbAndReturnPdo();
		
		$printAndQueueJobs = CommonUtils::getConfigValue($pdo, "printandqueuejobs", 0);
		if ($printAndQueueJobs == 1) {
			$doPrint = 1;
		}
		
		$pdo->beginTransaction();

		$togotax = CommonUtils::getExistingConfigValue($pdo, 'togotax');
		$normaltax = CommonUtils::getExistingConfigValue($pdo, 'tax');
		$workflowconfig = CommonUtils::getExistingConfigValue($pdo, 'workflowconfig');
		$austria = CommonUtils::getExistingConfigValue($pdo, 'austria');
				
		$currentPriceLevel = $this->commonUtils->getCurrentPriceLevel($pdo);
		$currentPriceLevelId = $currentPriceLevel["id"];
		
		$insertedQueueIds = array();
		
		$sql = "INSERT INTO %records% (date,userid,tableid,action) VALUES(?,?,?,?)";
		CommonUtils::execSql($pdo, $sql, array($ordertime,$_SESSION['userid'],$theTableid,T_ORDER));
		$recordid = $pdo->lastInsertId();
		
		$i = 0;
		for ($i=0;$i<count($prods);$i++) {
			$aProd = $prods[$i];
			$productid = intval($aProd["prodid"]);
			$theOption = $aProd["option"];
			$theChangedPrice = $aProd["changedPrice"];
			$theChangedPrice = str_replace(',','.',$theChangedPrice);

			$getPriceSql = "SELECT priceA,priceB,priceC,longname,tax,taxaustria,amount FROM %products% where id=?";
			$row = CommonUtils::getRowSqlObject($pdo, $getPriceSql, array($productid));
			if ($row == null) {
				echo "Fehler: Preise nicht vorhanden"; // error
				return;
			}
			
			if (!is_null($row->amount)) {
			    $amount = max(($row->amount -1),0);
			    $sql = "UPDATE %products% SET amount=? WHERE id=?";
			    $stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
			    $stmt->execute(array($amount,$productid));
			}

			$productname = $row->longname;
			if (($theChangedPrice == "NO") || (!is_numeric($theChangedPrice)))  {
				$price_for_level_A = $row->priceA;
				$price_for_level_B = $row->priceB;
				$price_for_level_C = $row->priceC;
				
				$price = $price_for_level_A; // default - levl 1
				if ($currentPriceLevelId == 2) {
					$price = $price_for_level_B;
				} else if ($currentPriceLevelId == 3) {
					$price = $price_for_level_C;
				} // else: use default price A
			} else {
				$price = $theChangedPrice;
			}
			
			$togo = $aProd["togo"];
			
			$tax = $normaltax;
			if (is_null($theTableid)) {
				$tax = $togotax;
			}
			if ($togo == 1) {
				$tax = $togotax;
			}
			
			if ($austria == 1) {
			    $taxaustrianumber = $row->taxaustria;
			    $configItem = "";
			    switch($taxaustrianumber)  {
				case 1:
				    $configItem = "taxaustrianormal";
				    break;
				case 2:
				    $configItem = "taxaustriaerm1";
				    break;
				case 3:
				    $configItem = "taxaustriaerm2";
				    break;
				case 4:
				    $configItem = "taxaustriaspecial";
				    break;
				default:
				    $configItem = "taxaustrianormal";
			    }
			    $tax = CommonUtils::getExistingConfigValue($pdo, $configItem);
			} else {
			    $taxaustrianumber = null;
			    if (!is_null($row->tax)) {
				    $tax = $row->tax;
			    }
			}
			
			$extras = null;
			if (array_key_exists("extras",$aProd)) {
				$extras = $aProd["extras"];
			}

			if (($theChangedPrice == "NO") || (!is_numeric($theChangedPrice)))  {
				if (!is_null($extras) && ($extras != "")) {
					for ($j=0;$j<count($extras);$j++) {
						$anExtra = $extras[$j];
						$extraid = $anExtra["id"];
						$extraname = $anExtra["name"];
						$sql = "SELECT price FROM %extras% WHERE id=?";
						$row = CommonUtils::getRowSqlObject($pdo, $sql, array($extraid));
						$price += floatval($row->price);
					}
				}
			}

			if (is_null($theTableid) || (is_numeric($theTableid) && is_numeric($productid))) {
				$useConditions = $this->getUseKitchenAndSupplyForProdWithPdo($pdo,$productid);
				
				$insertSql = "INSERT INTO `%queue%` (
				`id` , `tablenr`,`productid`,`pricelevel`,`price`,`tax`,`taxaustria`,`productname`,`ordertime`,`orderuser`,`anoption`,`pricechanged`,`togo`,`readytime`,`delivertime`,`paidtime`,`billid`,`toremove`,`cooking`,`workprinted`)
				VALUES (
				NULL , ?,?,?,?,?,?,?,?,?,?,?,?, null, null, NULL,NULL,'0',NULL,'0');";
					
				$stmt = $pdo->prepare(DbUtils::substTableAlias($insertSql));
				$stmt->execute(array($theTableid,$productid,$currentPriceLevelId,$price,$tax,$taxaustrianumber,$productname,$ordertime,$_SESSION['userid'],$theOption,($theChangedPrice == "NO" ? 0 : 1),$togo));
				$queueid = $pdo->lastInsertId();
				
				$sql = "INSERT INTO %recordsqueue% (recordid,queueid) VALUES(?,?)";
				CommonUtils::execSql($pdo, $sql, array($recordid,$queueid));
				
				if (!is_null($extras) && ($extras != "")) {
					for ($j=0;$j<count($extras);$j++) {
						$anExtra = $extras[$j];
						$extraid = $anExtra["id"];
						$extraname = $anExtra["name"];
						$sql = "INSERT INTO %queueextras% (`id`,`queueid`,`extraid`,`name`) VALUES(NULL,?,?,?)";
						$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
						$stmt->execute(array($queueid,$extraid,$extraname));
					}
				}

				if (($workflowconfig == 3) && ($doPrint == 0)) {
					$this->reallyDeclareAsCooked($pdo,$queueid);
					$this->declareProductBeDeliveredWithGivenPdo($pdo,$queueid);
				} else {
					if ($useConditions["usekitchen"] == 0) {
						$this->reallyDeclareAsCooked($pdo,$queueid);
						if ($useConditions["usesupply"] == 0) {
							$this->declareProductBeDeliveredWithGivenPdo($pdo,$queueid);
						}
					} else {
						$insertedQueueIds[] = $queueid;
					}
				}
			}
		}

		$cashenabled = CommonUtils::getConfigValue($pdo, "cashenabled", 1);
		if ($cashenabled == 0) {
			$idStr = join(',',$insertedQueueIds);
			$this->declarePaidCreateBillReturnBillId($pdo,$idStr, $theTableid, 1, 0, 0, true,'','','');
		}
		
		if ($doPrint == 1) {
			if ($payprinttype == "s") {
				$this->doWorkPrint($pdo,$theTableid,$insertedQueueIds,$_SESSION['currentuser'],$payprinttype, $_SESSION['language']);
				echo json_encode(array("status" => "OK"));
			} else {
				$result = $this->doWorkPrint($pdo,$theTableid,$insertedQueueIds,$_SESSION['currentuser'],$payprinttype, $_SESSION['language']);
				echo json_encode(array("status" => "OK", "msg" => $result));
			}
		} else {
			echo json_encode(array("status" => "OK"));
		}
		
		$pdo->commit();
	}

	function addProductListToQueueForGuest($pdo,$ordertime,$theTableid,$prodid,$doPrint) {

		if(session_id() == '') {
			session_start();
		}
		
		date_default_timezone_set(DbUtils::getTimeZone());
		
		$pdo->beginTransaction();
		
		$sql = "INSERT INTO %records% (date,userid,tableid,action) VALUES(?,?,?,?)";
		CommonUtils::execSql($pdo, $sql, array($ordertime,null,$theTableid,T_ORDER));
		$recordid = $pdo->lastInsertId();

		$tax = CommonUtils::getExistingConfigValue($pdo, 'tax');
		$workflowconfig = CommonUtils::getExistingConfigValue($pdo, 'workflowconfig');
				
		$currentPriceLevel = $this->commonUtils->getCurrentPriceLevel($pdo);
		$currentPriceLevelId = $currentPriceLevel["id"];
		
		$insertedQueueIds = array();
		
		
		$productid = $prodid;
		$theOption = '';
		$theChangedPrice = "NO";

		$getPriceSql = "SELECT priceA,priceB,priceC,longname,tax,taxaustria,amount FROM %products% where id=?";
		$row = CommonUtils::getRowSqlObject($pdo, $getPriceSql, array($productid));
		if ($row == null) {
			echo "Fehler: Preise nicht vorhanden"; // error
			return;
		}

		if (!is_null($row->amount)) {
		    $amount = max(($row->amount -1),0);
		    $sql = "UPDATE %products% SET amount=? WHERE id=?";
		    $stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		    $stmt->execute(array($amount,$productid));
		}

		$productname = $row->longname;

		$price_for_level_A = $row->priceA;
		$price_for_level_B = $row->priceB;
		$price_for_level_C = $row->priceC;

		$price = $price_for_level_A; // default - levl 1
		if ($currentPriceLevelId == 2) {
			$price = $price_for_level_B;
		} else if ($currentPriceLevelId == 3) {
			$price = $price_for_level_C;
		} // else: use default price A


		$taxaustrianumber = null;
		if (!is_null($row->tax)) {
			$tax = $row->tax;
		}


		if (is_null($theTableid) || (is_numeric($theTableid) && is_numeric($productid))) {
			$useConditions = $this->getUseKitchenAndSupplyForProdWithPdo($pdo,$productid);

			$insertSql = "INSERT INTO `%queue%` (
			 `tablenr`,`productid`,`pricelevel`,`price`,`tax`,`taxaustria`,`productname`,`ordertime`,`orderuser`,`anoption`,`pricechanged`,`togo`,`readytime`,`delivertime`,`paidtime`,`billid`,`toremove`,`cooking`,`workprinted`)
			VALUES ( ?,?,?,?,?,?,?,?,?,?,?,?, null, null, NULL,NULL,'0',NULL,'0');";

			$stmt = $pdo->prepare(DbUtils::substTableAlias($insertSql));
			$stmt->execute(array($theTableid,$productid,$currentPriceLevelId,$price,$tax,$taxaustrianumber,$productname,$ordertime,null,$theOption,($theChangedPrice == "NO" ? 0 : 1),0));
			$queueid = $pdo->lastInsertId();
			
			$sql = "INSERT INTO %recordsqueue% (recordid,queueid) VALUES(?,?)";
			CommonUtils::execSql($pdo, $sql, array($recordid,$queueid));


			if (($workflowconfig == 3) && ($doPrint == 0)) {
				$this->reallyDeclareAsCooked($pdo,$queueid);
				$this->declareProductBeDeliveredWithGivenPdo($pdo,$queueid);
			} else {
				if ($useConditions["usekitchen"] == 0) {
					$this->reallyDeclareAsCooked($pdo,$queueid);
					if ($useConditions["usesupply"] == 0) {
						$this->declareProductBeDeliveredWithGivenPdo($pdo,$queueid);
					}
				} else {
					$insertedQueueIds[] = $queueid;
				}
			}
		}
		

		$cashenabled = CommonUtils::getConfigValue($pdo, "cashenabled", 1);
		if ($cashenabled == 0) {
			$idStr = join(',',$insertedQueueIds);
			$this->declarePaidCreateBillReturnBillId($pdo,$idStr, $theTableid, 1, 0, 0, true,'','','');
		}
		
		if ($doPrint == 1) {
			$this->doWorkPrint($pdo,$theTableid,$insertedQueueIds,'Gastbestellung','s', $_SESSION['language']);	
		}
		
		$pdo->commit();
	}

	/*
	 * Do as if the product would have been removed from queue - but don't do it exactly,
	 * because then it would not appear in the reports any more. Instead declare the
	 * ordertime = null (was never ordered...)
	 */
	function removeProductFromQueue($queueid,$isPaid,$isCooking,$isReady) {
		if (is_numeric($queueid)) {
			$pdo = DbUtils::openDbAndReturnPdoStatic();
			
			date_default_timezone_set(DbUtils::getTimeZone());
			$currentTime = date('Y-m-d H:i:s');
			$userid = $this->getUserId();
			$sql = "SELECT tablenr FROM %queue% WHERE id=?";
			$result = CommonUtils::fetchSqlAll($pdo, $sql, array($queueid));
			if (count($result) == 0) {
				echo json_encode(array("status" => "OK"));
				return;
			}
			$tableid = $result[0]["tablenr"];
	
			$sql = "SELECT count(id) as countid FROM %bill%";
			$row = CommonUtils::getRowSqlObject($pdo, $sql, null);
			$hasBills = ($row->countid > 0 ? true : false);
			
			if ($hasBills) {
				$sql = "UPDATE %queue%,%bill% ";
			} else {
				$sql = "UPDATE %queue% ";
			}
			$sql .= "SET ordertime=null WHERE %queue%.id=? AND ordertime IS NOT NULL ";
			if ($isPaid == '1') {
				$sql .= " AND paidtime IS NOT NULL ";
			} else {
				$sql .= " AND (paidtime IS NULL or paidtime is null) ";
			}
			if ($isCooking == '1') {
				$sql .= " AND cooking is not null ";
			} else {
				$sql .= " AND cooking is null ";
			}
			if ($isReady == '1') {
				$sql .= " AND readytime IS NOT NULL ";
			} else {
				$sql .= " AND (readytime IS NULL or readytime is null) ";
			}
			if ($hasBills) {
				$sql .= " AND (billid is null OR (";
				$sql .= " billid = %bill%.id AND %bill%.closingid is null)) ";
			}
			$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
			
			$stmt->execute(array($queueid));
			$rowsAffected = $stmt->rowCount();
			if ($rowsAffected == 1) {
				Workreceipts::createCancelWorkReceipt($pdo, $queueid);
				
				$sql = "INSERT INTO %records% (date,userid,tableid,action) VALUES(?,?,?,?)";
				CommonUtils::execSql($pdo, $sql, array($currentTime,$userid,$tableid,T_REMOVE));
				$recordid = $pdo->lastInsertId();
				$sql = "INSERT INTO %recordsqueue% (recordid,queueid) VALUES(?,?)";
				CommonUtils::execSql($pdo, $sql, array($recordid,$queueid));
			
				echo json_encode(array("status" => "OK"));
			} else {
				echo json_encode(array("status" => "Failed", "msg" => "Affected rows: $rowsAffected"));
			}
		}
	}
	
	function getUnpaidTables() {
		$pdo = DbUtils::openDbAndReturnPdoStatic();
		$sql = "SELECT DISTINCT %resttables%.tableno as tablename FROM %queue%,%resttables% WHERE paidtime is null AND ordertime is not null and tablenr=%resttables%.id AND isclosed is null";
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		$stmt->execute();
		$result = $stmt->fetchAll();
		$unpaidTables = array();
		foreach ($result as $anUnpaidTable) {
			$unpaidTables[] = $anUnpaidTable["tablename"];
		}
		echo json_encode(array("status" => "OK","msg" => join(",",$unpaidTables)));
	}
	
	/*
	 * Return as JSON structure all products that are assigned to a specified table, with the 
	 * specification that they are not delivered yet.
	 * 
	 * ordertime must not be null, because =null means that is is paid but was cancelled later
	 * by the waiter! (in a previous version such entries were deleted from queue, but then
	 * they won't appear in reports any more)
	 * 
	 * Return is: [
	 * 		{"queueid":"2","longname":"EL Greco 1 Person", "isReady":"1"},
	 * 		{"queueid":"5","longname":"Souvlaki","isReady":"0"}] 
	 * 				(a sample)
	 * 	
	 */
	function getJsonLongNamesOfProdsForTableNotDelivered($tableid) {
		if (is_numeric($tableid)) {
			$prods = array(); 
			
			$pdo = DbUtils::openDbAndReturnPdoStatic();
			
			
			$sql = "SELECT count(id) as countid FROM %bill%";
			$row = CommonUtils::getRowSqlObject($pdo, $sql, null);

			if ($row->countid == 0) {
				$sql = "SELECT DISTINCT %queue%.id as quid, ordertime FROM %queue% WHERE ordertime is not null AND isclosed is null AND ";
			} else {
				$sql = "SELECT DISTINCT %queue%.id as quid, ordertime FROM %queue%,%bill% WHERE ordertime is not null AND isclosed is null AND ((%queue%.billid is null AND %queue%.paidtime is null) OR (%queue%.billid=%bill%.id AND %bill%.closingid is null)) AND ";
			}
			
			if ($tableid == 0) {
				$sql .= "%queue%.tablenr is null ORDER BY ordertime, quid";
				$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
				$stmt->execute();
			} else {
				$sql .= "%queue%.tablenr=? ORDER BY ordertime, quid";
				$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
				$stmt->execute(array($tableid));
			}
			
			$allNotClosedQueueIds = $stmt->fetchAll();
			
			$resultids = array();
			$sql = "SELECT count(id) as countid FROM %queue% WHERE %queue%.id=? AND (%queue%.delivertime IS NULL ";
			$sql .= " OR %queue%.readytime IS NULL ";
			$sql .= " OR (%queue%.billid is null AND %queue%.paidtime is null)) ";
			$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
			foreach($allNotClosedQueueIds as $aQueueId) {#
				$aQId = $aQueueId["quid"];
				
				$stmt->execute(array($aQId));
				$row = $stmt->fetchObject();
				if ($row->countid > 0) {
					$resultids[] = $aQId;
				}
			}

			$prods = array();
			$sql = "SELECT productid,readytime,paidtime,cooking,productname,anoption,productname,togo,pricechanged,price FROM %queue% WHERE id=? ORDER BY productid ";
			$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
			foreach ($resultids as $anId) {
				$stmt->execute(array($anId));
				$row = $stmt->fetchObject();

				$isReady = "1";
				$isDelivered = "1";
				$isPaid = "1";
				$isCooking = '1';
				if ($row->readytime == null) {
					$isReady = "0"; // not yet prepared by the kitchen
				}
				if ($row->paidtime == null) {
					$isPaid = "0"; // not yet paid
				}
				if (is_null($row->cooking)) {
					$isCooking = '0';
				}
				$extras = $this->getExtrasWithIdsOfQueueItem($pdo,$anId);
				
				$prodEntry = array(
						"id" =>$anId,
						"prodid" => $row->productid,
						"longname" => $row->productname,
						"option" => $row->anoption,
						"pricechanged" => $row->pricechanged,
						"togo" => $row->togo,
						"price" => $row->price,
						"extras" => $extras["extrasnames"],
						"extrasids" => $extras["extrasids"],
						"isready" => $isReady,
						"isPaid" => $isPaid,
						"isCooking" => $isCooking);
				$prods[] = $prodEntry;
			}
			echo json_encode($prods);
		}
	}
	
	
	function getProdsForTableChange($tableid) {
		$pdo = DbUtils::openDbAndReturnPdoStatic();
		
		if ($tableid == 0) {
			$tableid = null;
		}
		
		
		$sql = "SELECT %queue%.id as queueid,productname FROM ";
		$sql .= "%queue% WHERE ";
		$sql .= "(tablenr=? OR (tablenr IS NULL AND ? IS NULL)) AND ordertime is not null AND isclosed is null AND billid is null ";
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		$stmt->execute(array($tableid,$tableid));
		$unpaidresultungrouped = $stmt->fetchAll();
		
		$sql = "SELECT %queue%.id as queueid,productname FROM ";
		$sql .= "%queue% LEFT OUTER JOIN %bill% ON %queue%.billid=%bill%.id WHERE ";
		$sql .= "(tablenr=? OR (tablenr IS NULL AND ? IS NULL)) AND ordertime is not null AND isclosed is null AND billid is null AND (";
		$sql .= "%queue%.delivertime IS NULL OR ";
		$sql .= "(%queue%.delivertime IS NOT NULL AND workprinted='1')) ";
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		$stmt->execute(array($tableid,$tableid));
		$undeliveredresultungrouped = $stmt->fetchAll();
		$merged = array();
		foreach($unpaidresultungrouped as $entry) {
		    $qid = $entry["queueid"];
		    $prodname = $entry["productname"];
		    $status = "unpaid";
		    if ($this->isQueueIdInList($qid, $undeliveredresultungrouped)) {
			$status = "unpaid_undelivered";
		    }
		    $merged[] = array("queueid" => $qid,"productname" => $prodname,"status" => $status);
		}
		
		echo json_encode(array("status" => "OK","msg" => $merged));
	}
	
	function isQueueIdInList($queueid,$list) {
	    foreach($list as $entry) {
		if ($entry['queueid'] == $queueid) {
		    return true;
		}
	    }
	    return false;
	}
	
	
	function changeTable($fromTableId, $toTableId, $queueids) {
		$ids = explode(",",$queueids);
		foreach($ids as $id) {
			if (!is_numeric($id)) {
				echo json_encode(array("status" => "ERROR", "code" => NUMBERFORMAT_ERROR, "msg" => NUMBERFORMAT_ERROR_MSG));
				return;
			}
		}
		
		$pdo = $this->dbutils->openDbAndReturnPdo();
		$pdo->beginTransaction();
		
		date_default_timezone_set(DbUtils::getTimeZone());
		$currentTime = date('Y-m-d H:i:s');
		$userid = $this->getUserId();
		$sql = "INSERT INTO %records% (date,userid,tableid,action) VALUES(?,?,?,?)";
		CommonUtils::execSql($pdo, $sql, array($currentTime,$userid,$fromTableId,T_FROM_TABLE));
		$recordidFromTable = $pdo->lastInsertId();
		$sql = "INSERT INTO %records% (date,userid,tableid,action) VALUES(?,?,?,?)";
		CommonUtils::execSql($pdo, $sql, array($currentTime,$userid,$toTableId,T_TO_TABLE));
		$recordidToTable = $pdo->lastInsertId();
		$sql = "INSERT INTO %recordsqueue% (recordid,queueid) VALUES(?,?)";
		foreach($ids as $id) {
			CommonUtils::execSql($pdo, $sql, array($recordidFromTable,$id));
			CommonUtils::execSql($pdo, $sql, array($recordidToTable,$id));
		}
				
		$sql = "UPDATE %queue% SET tablenr=? WHERE id IN($queueids) AND tablenr=?";
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		$stmt->execute(array($toTableId,$fromTableId));
		
		$pdo->commit();
		echo json_encode(array("status" => "OK"));	
	}
	
	
	
	function getJsonProductsOfTableToPay($tableid) {
		$pdo = DbUtils::openDbAndReturnPdoStatic();
		$sql = "SELECT %queue%.id as id,longname,%queue%.price as price,%queue%.tax,%prodtype%.kind as kind,%pricelevel%.name as pricelevelname,%products%.id as prodid,%queue%.togo as togo, ordertime
		FROM %queue% 
		INNER JOIN %products% ON %queue%.productid = %products%.id 
		INNER JOIN %pricelevel% ON %queue%.pricelevel = %pricelevel%.id 
		INNER JOIN %prodtype% ON %products%.category = %prodtype%.id ";
		if ($tableid == 0) {
			$sql .= "WHERE tablenr is null ";
		} else {
			$sql .= "WHERE tablenr = $tableid ";
		}
		$sql .= "AND paidtime is null AND toremove <> '1' AND ordertime is not null AND isclosed is null ORDER BY kind,ordertime, id;";
		
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		$stmt->execute();
		$result = $stmt->fetchAll();
		$prodsToPay = array();
		foreach ($result as $zeile) {
			$thePrice = $zeile['price'];
			$theTax = $zeile['tax'];
			$thePriceLevelName = $zeile['pricelevelname'];
			$longName = $zeile['longname'];
			$togo = $zeile["togo"];
			$queueid = $zeile['id'];
			
			$extras = $this->getExtrasOfQueueItem($pdo,$queueid);
			
			$prodId = $zeile['prodid'];
			$prodsToPay[] = array("id" => $queueid, "prodid" => $prodId, "longname" => $longName, "pricelevelname" => $thePriceLevelName, "price" => $thePrice, "tax" => $theTax, "togo" => $togo, "extras" => $extras);
		}
		echo json_encode(array("status" => "OK", "msg" => $prodsToPay));
	}
	
	function displayBill($billtableitems,$totalPrice) {
		$currency = $this->commonUtils->getCurrency();
		$numberOfItemsToPay = count($billtableitems);
		if ($numberOfItemsToPay > 0) {
			echo "<br><br><table id=bill class=billtable>";
			echo "<tr><th>Speise/Getränk<th id=pricecolheader>Preis ($currency)</tr>";
			for ($i=0;$i < $numberOfItemsToPay; $i++) {
				$aProductToPay = $billtableitems[$i];
				echo "<tr>";
				echo "<td>" . $aProductToPay['textOfButton'] . "<td id=pricecol>" . $aProductToPay['price'] . "</tr>";
			}
			echo "<tr><td id=totalprice colspan=2>Gesamtpreis: " . $totalPrice . " $currency </tr>";
		}
		
		echo "</table>";
	}
	
	
	
	function declareProductBeDeliveredWithGivenPdo($pdo,$queueid) {
		if (is_numeric($queueid)) {
			date_default_timezone_set(DbUtils::getTimeZone());
			$delivertime = date('Y-m-d H:i:s');
			
			$updateSql = "UPDATE %queue% SET delivertime=? WHERE id=?";
			$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($updateSql));
			$stmt->execute(array($delivertime,$queueid));
	
			$updateSql = "UPDATE %queue% SET readytime=? WHERE id=?";
			$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($updateSql));
			$stmt->execute(array($delivertime,$queueid));
		}
	}
	
	function declareProductBeDelivered($queueid) {
		if (is_numeric($queueid)) {
			$pdo = $this->dbutils->openDbAndReturnPdo();
			$this->declareProductBeDeliveredWithGivenPdo($pdo, $queueid);
		}
	}
	
	function declareMultipleProductsDelivered($queueids) {
		$ids = explode(",",$queueids);
		$pdo = DbUtils::openDbAndReturnPdoStatic();
		$pdo->beginTransaction();
		
		for ($i=0;$i < count($ids); $i++) {
			$aQueueId = $ids[$i];
			if (is_numeric($aQueueId)) {
				$this->declareProductBeDeliveredWithGivenPdo($pdo,$aQueueId);
			}
		}
		$pdo->commit();
		echo json_encode(array("status" => "OK"));
	}
	
	function declareProductNotBeDelivered($queueid) {
		$pdo = DbUtils::openDbAndReturnPdoStatic();
		if (is_numeric($queueid)) {
			date_default_timezone_set(DbUtils::getTimeZone());
			$delivertime = date('Y-m-d H:i:s');
			$updateSql = "UPDATE %queue% SET delivertime=? WHERE id=?";
			$stmt = $pdo->prepare(DbUtils::substTableAlias($updateSql));
			$stmt->execute(array(null,$queueid));
		}
	}
	
	public function getAllPreparedProductsForTableidAsArray($pdo,$tableid) {
		if (!is_null($tableid)) {
			$sql = "SELECT DISTINCT %queue%.id as id,tableno,longname,anoption,readytime ";
			if ($this->areBillExisting($pdo)) {
				$sql .= "FROM %queue%,%products%,%resttables%,%bill% ";
			} else {
				$sql .= "FROM %queue%,%products%,%resttables% ";
			}
			$sql .= "WHERE (readytime IS NOT NULL and delivertime IS NULL ";
			$sql .= "AND %queue%.productid=%products%.id ";
			$sql .= "AND %queue%.tablenr=%resttables%.id ";
			$sql .= "AND %queue%.isclosed is null ";
			$sql .= "AND ordertime is not null ";
			$sql .= "AND %resttables%.id=" . $tableid . " ";
			$sql .= "AND toremove <> '1') ";
			
			if ($this->areBillExisting($pdo)) {
				$sql .= "AND (%queue%.billid is null  OR (";
				$sql .= "%queue%.billid=%bill%.id AND %bill%.closingid is null)) ";
			}
			
			$sql .= " ORDER BY tableno";
		} else {
			$sql = "SELECT DISTINCT %queue%.id as id,'' as tableno,longname,anoption,readytime ";
			if ($this->areBillExisting($pdo)) {
				$sql .= "FROM %queue%,%products%,%bill% ";
			} else {
				$sql .= "FROM %queue%,%products% ";
			}
			$sql .= "WHERE (readytime IS NOT NULL and delivertime IS NULL ";
			$sql .= "AND %queue%.productid=%products%.id ";
			$sql .= "AND %queue%.tablenr is null ";
			$sql .= "AND ordertime is not null ";
			$sql .= "AND %queue%.isclosed is null ";
			$sql .= "AND toremove <> '1') ";
			if ($this->areBillExisting($pdo)) {
				$sql .= "AND (%queue%.billid is null  OR (";
				$sql .= "%queue%.billid=%bill%.id AND %bill%.closingid is null)) ";
			}
			$sql = $sql . " ORDER BY tableno";
		}
		
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		
		$stmt->execute();
		$dbresult = $stmt->fetchAll();

		$numberOfIcons = count($dbresult);
		$arrayOfProdsForTable = array();
		$idsProdsOfTable = ''; // this is a hack! All queueids of a table redundant for "Deliver all"
		foreach($dbresult as $zeile) {
			$theAction= "deliver";
			$longname = $zeile['longname'];
			
			$extras = $this->getExtrasOfQueueItem(null,$zeile['id']);
			
			$anProdElem = array(
					"id" => $zeile['id'],
					"longname" => $zeile['longname'],
					"option" => $zeile['anoption'],
					"extras" => $extras,
					"status" => "ready_to_deliver");
			$arrayOfProdsForTable[] = $anProdElem;
			if ($idsProdsOfTable == '') {
				$idsProdsOfTable = $idsProdsOfTable . $zeile['id'];
			} else {
				$idsProdsOfTable = $idsProdsOfTable . ',' . $zeile['id'];
			}
		}

		return array("prods" => $arrayOfProdsForTable, "ids" => $idsProdsOfTable);
	}
	
	public function numberOfProductsForTableNotDelivered($pdo,$tableid) {
		$sql = "SELECT DISTINCT %queue%.id as id ";
		if (!is_null($tableid)) {
			$sql .= "FROM %queue%,%resttables% ";
		} else {
			$sql .= "FROM %queue% ";
		}
		$sql .= "WHERE delivertime IS NULL ";
		$sql .= "AND ordertime is not null ";
		$sql .= "AND %queue%.isclosed is null ";
		$sql .= "AND workprinted='0' ";
		$sql .= "AND toremove <> '1' ";
		if (!is_null($tableid)) {
			$sql .= "AND %queue%.tablenr=%resttables%.id ";
			$sql .= "AND %resttables%.id=" . $tableid;
		} else {
			$sql .= "AND %queue%.tablenr is null ";
		}
		
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		$stmt->execute();
		$dbresult = $stmt->fetchAll();
		
		$numberOfProducts = count($dbresult);

		return $numberOfProducts;
	}
	
	function getJsonAllPreparedProducts() {
		$pdo = DbUtils::openDbAndReturnPdoStatic();
		$sql = "SELECT DISTINCT tablenr ";
		if ($this->areBillExisting($pdo)) {
			$sql .= "FROM %queue%,%resttables%,%bill% ";
		} else {
			$sql .= "FROM %queue%,%resttables% ";
		}
		$sql .= "WHERE (readytime IS NOT NULL and delivertime IS NULL ";
		$sql .= "AND toremove <> '1' ";
		$sql .= "AND %queue%.tablenr=%resttables%.id AND ";
		$sql .= "ordertime is not null AND ";
		$sql .= "%queue%.isclosed is null AND ";
		$sql .= "%queue%.workprinted='0') ";
		
		if ($this->areBillExisting($pdo)) {
			$sql .= "AND (%queue%.billid is null  OR (";
			$sql .= "%queue%.billid=%bill%.id AND %bill%.closingid is null)) ";
		}
		$sql .= " ORDER BY tablenr";
		
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		
		$stmt->execute();
		$result1 = $stmt->fetchAll();
		
		$sql = "SELECT DISTINCT tablenr ";
		if ($this->areBillExisting($pdo)) {
			$sql .= "FROM %queue%,%bill% ";
		} else {
			$sql .= "FROM %queue% ";
		}
		$sql .= "WHERE (readytime IS NOT NULL and delivertime IS NULL ";
		$sql .= "AND toremove <> '1' ";
		$sql .= "AND %queue%.tablenr is null AND ";
		$sql .= "ordertime is not null AND ";
		$sql .= "%queue%.isclosed is null AND ";
		$sql .= "%queue%.workprinted='0') ";
		if ($this->areBillExisting($pdo)) {
			$sql .= "AND (%queue%.billid is null  OR (";
			$sql .= "%queue%.billid=%bill%.id AND %bill%.closingid is null)) ";
		}
		
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));

		$stmt->execute();
		$result2 = $stmt->fetchAll();
		
		$result = array_merge($result1,$result2);

		$tablesToServe = array();
		foreach($result as $zeile) {
			$tablesToServe[] = $zeile['tablenr'];
		}
		
		$preparedProds_incomplete_tables = array();
		$preparedProds = array();
		
		$commonUtils = new CommonUtils();
		foreach ($tablesToServe as $tableid) {
			$arrayOfProdsAndIdsOfATable = $this->getAllPreparedProductsForTableidAsArray($pdo,$tableid);
			$arrayOfProdsOfATable = $arrayOfProdsAndIdsOfATable['prods'];
			$numberOfProductsTotalToServe = $this->numberOfProductsForTableNotDelivered($pdo,$tableid);
			$numberOfReadyProducts = count($arrayOfProdsOfATable);

			if ($numberOfReadyProducts >= $numberOfProductsTotalToServe) {
				$tablestatus = "complete";
				$tableheadeline = $commonUtils->getTableNameFromId($pdo,$tableid);
				$preparedProds[] = array(
						"tableheadline" => $tableheadeline,
						"tableid" => $tableid,
						"tablestatus" => $tablestatus,
						"ids" => $arrayOfProdsAndIdsOfATable['ids'],
						"prodsOfTable" => $arrayOfProdsOfATable);
			} else {
				$tablestatus = "incomplete";
				$tableheadeline = "Tisch: " . $commonUtils->getTableNameFromId($pdo,$tableid);
				$preparedProds_incomplete_tables[] = array(
						"tableheadline" => $tableheadeline,
						"tableid" => $tableid,
						"tablestatus" => $tablestatus,
						"ids" => $arrayOfProdsAndIdsOfATable['ids'],
						"prodsOfTable" => $arrayOfProdsOfATable);
			}
		}
		
		$newProdsToServe = self::getNewProductsToServe($pdo);
		self::setNewProductsToServe($pdo, 0);
		
		$items = array_merge($preparedProds,$preparedProds_incomplete_tables);

		echo json_encode(array("items" => $items, "newproductstoserve" => $newProdsToServe));
	}
	
	/* 
	 * Return as JSON object a list of max 10 entries of products that
	 * have been delivered to a table
	 */
	function getJsonLastDeliveredProducts() {
		$pdo = DbUtils::openDbAndReturnPdoStatic();
		$sql = "SELECT DISTINCT %queue%.id as id,tableno,longname,delivertime,anoption,%products%.id as prodid ";
		if ($this->areBillExisting($pdo)) {
			$sql .= "FROM %queue%,%resttables%,%products%,%bill% ";
		} else {
			$sql .= "FROM %queue%,%resttables%,%products% ";
		}
		$sql .= "WHERE (delivertime IS NOT NULL ";
		$sql .= "AND %queue%.productid=%products%.id ";
		$sql .= "AND %queue%.tablenr=%resttables%.id ";
		$sql .= "AND toremove <> '1' AND ";
		$sql .= "ordertime is not null AND ";
		$sql .= "%queue%.isclosed is null AND ";
		$sql .= "%queue%.workprinted='0') ";
		
		if ($this->areBillExisting($pdo)) {
			$sql .= "AND (%queue%.billid is null  OR (";
			$sql .= "%queue%.billid=%bill%.id AND %bill%.closingid is null)) ";
		}
		
		$sql = $sql . "ORDER BY delivertime DESC LIMIT 10";
		
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		$stmt->execute();
		$result1 = $stmt->fetchAll();
		
		$sql = "SELECT DISTINCT %queue%.id as id,'' as tableno,longname,delivertime,anoption,%products%.id as prodid ";
		if ($this->areBillExisting($pdo)) {
			$sql .= "FROM %queue%,%products%,%bill% ";
		} else {
			$sql .= "FROM %queue%,%products% ";
		}
		$sql .= "WHERE (delivertime IS NOT NULL ";
		$sql .= "AND %queue%.productid=%products%.id ";
		$sql .= "AND %queue%.tablenr is null ";
		$sql .= "AND toremove <> '1' AND ";
		$sql .= "ordertime is not null AND ";
		$sql .= "%queue%.isclosed is null AND ";
		$sql .= "%queue%.workprinted='0') ";
		if ($this->areBillExisting($pdo)) {
			$sql .= "AND (%queue%.billid is null  OR (";
			$sql .= "%queue%.billid=%bill%.id AND %bill%.closingid is null)) ";
		}
		$sql = $sql . "ORDER BY delivertime DESC LIMIT 10";
		
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		$stmt->execute();
		$result2 = $stmt->fetchAll();
		
		$result = array_merge($result1,$result2);
		
		$lastDeliveredProds = array();
		foreach($result as $zeile) {
			$productid = $zeile['prodid'];
			$useConditions = $this->getUseKitchenAndSupplyForProd($pdo,$productid);
			if ($useConditions["usesupply"] == 1) {
				
				$extras = $this->getExtrasOfQueueItem(null,$zeile['id']);
				
				$deliveredProd = array(
						"id" => $zeile['id'],
						"longname" => $zeile['longname'],
						"option" => $zeile['anoption'],
						"extras" => $extras,
						"delivertime" => $zeile['delivertime'],
						"tablename" => $zeile['tableno']);
				$lastDeliveredProds[] = $deliveredProd;
			}
		}
		echo json_encode($lastDeliveredProds);
	}
	
	
	
	/*
	 * Test if all queue items with the given ids are not paid
	 * -> if there are paid items --> report error by return negative value
	 * 
	 * Set paid column with the given date
	 * Create bill
	 * Return a bill id
	 */
	function declarePaidCreateBillReturnBillId($pdo,$ids,$tableid,$paymentId,$declareready,$host,$calledInternally = false,$reservationid='',$guestinfo='',$intguestid='') {
		date_default_timezone_set(DbUtils::getTimeZone());
		$currentTime = date('Y-m-d H:i:s');
		
		if ($intguestid == '') {
			$intguestid = null;
		}
		if ($reservationid != "") {
			$reservationid = substr($reservationid, 0, 30);
		}
		if ($guestinfo != "") {
			$guestinfo = substr($guestinfo, 0, 30);
		}
		
		$printextras = CommonUtils::getConfigValue($pdo, 'printextras', 0);
		
		$userid = $this->getUserId();
		
		$ids = trim($ids, ",");
		
		$ids_array = explode ( ',', $ids );	
		
		if (CommonUtils::callPlugin($pdo, "createBill", "replace")) {
		    return;
		}
		CommonUtils::callPlugin($pdo, "createBill", "before");
		
		if (!$calledInternally) {
			$pdo->beginTransaction();
		}
		
		$allNotPaid = true;
		for ($i=0;$i<count($ids_array);$i++) {
			$anId = $ids_array[$i];
			if (is_numeric($anId)) {
				$sql = "SELECT count(id) as countid FROM %queue% WHERE paidtime is not null AND id=?";
				$row = CommonUtils::getRowSqlObject($pdo, $sql, array($anId));
				if ($row != null) {
					$aCount = $row->countid;
					if (($aCount != null) && ($aCount == 1)) {
						$allNotPaid = false;
					}
				}
			} else {
				$allNotPaid = false;
			}
		}
		
		$billid = (-1);
		if ($allNotPaid == true) {
			$billid = -1;
			
			$sql = "SELECT id from %bill% ORDER BY id DESC";
			$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
			$stmt->execute();
			$numberOfIds = $stmt->rowCount();
			
			$newprevbrutto = 0;
			$newprevnetto = 0;
			if ($numberOfIds > 0) {
				$row =$stmt->fetchObject();
				if ($row != null) {
					$billid = intval($row->id)+1;
					$sql = "SELECT brutto,ROUND(netto,2) as netto,prevbrutto,prevnetto FROM %bill% WHERE id=?";
					$row = CommonUtils::getRowSqlObject($pdo, $sql, array($row->id));
					$newprevbrutto = $row->prevbrutto + $row->brutto;
					$newprevnetto = $row->prevnetto + $row->netto;
				} else {
					if (!$calledInternally) {
						echo " - row ist null - ";
						$pdo->rollBack();
					}
					return;
				}
			} else {
				$billid = 1;
			}
			
			if (!$this->commonUtils->verifyLastBillId($pdo, $billid)) {
				if (!$calledInternally) {
					echo json_encode(array("status" => "ERROR", "code" => ERROR_INCONSISTENT_DB, "msg" => ERROR_INCONSISTENT_DB_MSG));
					$pdo->rollBack();
				}
				return;
			} else {
				$this->commonUtils->setLastBillIdInWorkTable($pdo, $billid);
			}

			if (is_null($tableid)) {
				$tableid = 0;
			}

			if (!$calledInternally) {
				$sql = "INSERT INTO %records% (date,userid,tableid,action) VALUES(?,?,?,?)";
				CommonUtils::execSql($pdo, $sql, array($currentTime,$userid,($tableid == 0 ? null : $tableid),T_BILL));
				$recordid = $pdo->lastInsertId();
			}
			
			$idlist = join("','",$ids_array);
			$sql = "SELECT SUM(price) as brutto,ROUND(SUM(price/(1 + %queue%.tax/100.0)),6) as netto FROM %queue% WHERE id IN ('$idlist')";
			$row = CommonUtils::getRowSqlObject($pdo, $sql, null);
			$brutto = $row->brutto;
			$netto = $row->netto;
			
			$signature = $this->commonUtils->calcSignatureForBill($pdo,$currentTime, $brutto, $netto, '0.00', $userid);
			
			$billInsertSql = "INSERT INTO `%bill%` (`id` , `billdate`,`brutto`,`netto`,`prevbrutto`,`prevnetto`,`tableid`,`paymentid`,`userid`,`ref`,`tax`,`host`,`reservationid`,`guestinfo`,`intguestid`,`printextras`,`signature`) VALUES (?,?,?,?,?,?,?,?,?,NULL,NULL,?,?,?,?,?,?)";
			$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($billInsertSql));
			$stmt->execute(array($billid,$currentTime,$brutto,$netto,$newprevbrutto,$newprevnetto,$tableid,$paymentId,$userid,$host,$reservationid,$guestinfo,$intguestid,$printextras,$signature));

			for ($i=0;$i<count($ids_array);$i++) {
				$queueid = $ids_array[$i];
				if (is_numeric($queueid)) {
					if ($declareready == 0) {
						$updateSql = "UPDATE %queue% SET paidtime=?, billid=? WHERE id=?";
						$stmt = $pdo->prepare(DbUtils::substTableAlias($updateSql));
						$stmt->execute(array($currentTime,$billid,$queueid));
					} else {
						$updateSql = "UPDATE %queue% SET paidtime=?, billid=?,readytime=?,delivertime=? WHERE id=?";
						$stmt = $pdo->prepare(DbUtils::substTableAlias($updateSql));
						$stmt->execute(array($currentTime,$billid,$currentTime,$currentTime,$queueid));
					}
					
					$billProdsSql = "INSERT INTO `%billproducts%` (`queueid`,`billid`) VALUES ( ?,?)";
					$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($billProdsSql));
					$stmt->execute(array($queueid,$billid));
					
					if (!$calledInternally) {
						$sql = "INSERT INTO %recordsqueue% (recordid,queueid) VALUES(?,?)";
						CommonUtils::execSql($pdo, $sql, array($recordid,$queueid));
					}
				}
			}
			Hotelinterface::insertIntoHsin($pdo,$billid);
		}
		if (!$calledInternally) {
			$pdo->commit();
		}
		
		$billInfo = array("billid" => $billid, "date" => $currentTime);
		
		// Rksv::signBill($pdo, $billid);
		
		CommonUtils::callPlugin($pdo, "createBill", "after");
		
		CommonUtils::log($pdo, "QUEUE", "Created bill with id=$billid from user $userid");
		
		if (!$calledInternally) {
			echo json_encode(array("status" => "OK", "msg" => $billInfo));
		}
	}
	
	
	private function getUserId() {
		if(session_id() == '') {
			session_start();
		}
		return $_SESSION['userid'];
	}
}