472 lines
14 KiB
PHP
472 lines
14 KiB
PHP
<?php
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require_once ('dbutils.php');
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defined('T_ORDER') || define ('T_ORDER', 0);
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defined('T_BILL') || define ('T_BILL', 1);
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defined('T_REMOVE') || define ('T_REMOVE', 2);
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defined('T_BILLSTORNO') || define ('T_BILLSTORNO', 3);
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defined('T_BILLSTORNOREMOVE') || define ('T_BILLSTORNOREMOVE', 4);
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defined('T_FROM_TABLE') || define ('T_FROM_TABLE', 5);
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defined('T_TO_TABLE') || define ('T_TO_TABLE', 6);
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class CommonUtils {
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var $dbutils;
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private static $plugins = null;
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function __construct() {
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$this->dbutils = new DbUtils();
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// $this->products = new Products(); --> endless loop!
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// $this->lastSettingOfDisplayMode = "all";
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//error_reporting(E_ALL);
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}
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public static function setPluginConfig($plugins) {
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self::$plugins = $plugins;
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}
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public static $g_units_arr =
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array(
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array("text" => "Stück","value" => 0,"id" => "piece"),
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array("text" => "Eingabe","value" => 1,"id" => "piece"),
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array("text" => "kg","value" => 2,"id" => "kg"),
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array("text" => "gr","value" => 3,"id" => "gr"),
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array("text" => "mg","value" => 4,"id" => "mg"),
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array("text" => "l","value" => 5,"id" => "l"),
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array("text" => "ml","value" => 6,"id" => "ml"),
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array("text" => "m","value" => 7,"id" => "m")
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);
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public static function g_units_export_arr() {
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return array();
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}
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function verifyLastBillId($pdo,$nextIdToUse) {
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if ($nextIdToUse == 1) {
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return true;
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}
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if (is_null($pdo)) {
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$pdo = $this->dbutils->openDbAndReturnPdo();
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}
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$nextIdToUse = intval($nextIdToUse);
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$sql = "SELECT value,signature FROM %work% WHERE item=?";
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$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
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$stmt->execute(array("lastbillid"));
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$row =$stmt->fetchObject();
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$lastBillid = intval($row->value);
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$lastBillInc = $lastBillid+1;
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if ($lastBillInc != $nextIdToUse) {
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return false;
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} else {
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$sql = "SELECT id FROM %bill% WHERE id=?";
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$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
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$stmt->execute(array($nextIdToUse));
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if ($stmt->rowCount() > 0) {
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return false;
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} else {
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// is there a gap or does the previous id exist?
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$sql = "SELECT id FROM %bill% WHERE id=?";
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$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
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$stmt->execute(array($nextIdToUse - 1));
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if ($stmt->rowCount() != 1) {
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return false;
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} else {
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return true;
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}
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}
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}
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}
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function getKeyFromWorkTable($pdo,$key) {
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$sql = "SELECT signature FROM %work% WHERE item=?";
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$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
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$stmt->execute(array($key));
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$row =$stmt->fetchObject();
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return($row->signature);
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}
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public static function setMd5OfLastBillidInWorkTable($pdo) {
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$sql = "SELECT value FROM %work% where item=?";
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$r = self::fetchSqlAll($pdo, $sql, array("lastbillid"));
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if (count($r) > 0) {
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$maxid = $r[0]["value"];
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$signature = md5("B($maxid)");
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$sql = "UPDATE %work% SET signature=? WHERE item=?";
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self::execSql($pdo, $sql, array($signature,"lastbillid"));
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}
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}
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function setLastBillIdInWorkTable($pdo,$lastBillId) {
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if (is_null($pdo)) {
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$pdo = $this->dbutils->openDbAndReturnPdo();
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}
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$signature = md5("B($lastBillId)");
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$sql = "UPDATE %work% SET value=?, signature=? WHERE item=?";
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$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
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$stmt->execute(array($lastBillId,$signature,"lastbillid"));
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}
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function verifyBill($pdo,$id) {
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if (is_null($pdo)) {
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$pdo = $this->dbutils->openDbAndReturnPdo();
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}
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$sql = "SELECT billdate,brutto,ROUND(netto,2) as netto,userid,IF(tax is not null, tax, '0.00') as tax,signature,status FROM %bill% WHERE id=?";
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$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
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$stmt->execute(array($id));
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$row = $stmt->fetchObject();
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$billdate = $row->billdate;
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$brutto = $row->brutto;
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$netto = $row->netto;
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$tax = $row->tax;
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$userid = $row->userid;
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$signature = $row->signature;
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$status = $row->status;
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return(self::verifyBillByValues($pdo,$billdate, $brutto, $netto, $userid, $signature, $status));
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}
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public static function verifyBillByValues($pdo,$billdate,$brutto,$netto,$userid,$signature,$status) {
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if (($status == "c") && ($brutto == 0.00)) {
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// workaround - the signature for cash inserts of vaue 0.00 are sometimes incorrect
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return true;
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}
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if (is_null($signature)) {
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return false;
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}
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if (is_null($pdo)) {
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$pdo = DbUtils::openDbAndReturnPdoStatic();
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}
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$brutto = number_format($brutto, 2, ".", '');
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$netto = number_format($netto, 2, ".", '');
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$data = "D($billdate)B($brutto)N($netto)T(0)U($userid)";
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$md5OfData = md5($data);
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if ($signature != $md5OfData) {
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return false;
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} else {
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return true;
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}
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}
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public static function calcSignaturesForAllBills($pdo) {
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$sql = "SELECT id,billdate,brutto,netto,userid FROM %bill%";
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$r = CommonUtils::fetchSqlAll($pdo, $sql);
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$sql = "UPDATE %bill% SET signature=? WHERE id=?";
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foreach($r as $b) {
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$bruttostr = number_format($b["brutto"], 2, ".", '');
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$nettostr = number_format($b["netto"], 2, ".", '');
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$theTime = $b["billdate"];
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$userid = $b["userid"];
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$data = md5("D($theTime)B($bruttostr)N($nettostr)T(0)U($userid)");
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CommonUtils::execSql($pdo, $sql, array($data,$b["id"]));
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}
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}
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public static function calcSignatureForBill($theTime,$brutto,$netto,$userid) {
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// now calculate the signature for the bill entry
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$bruttostr = number_format($brutto, 2, ".", '');
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$nettostr = number_format($netto, 2, ".", '');
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$data = "D($theTime)B($bruttostr)N($nettostr)T(0)U($userid)";
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$signature = md5($data);
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return $signature;
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}
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function createGridTableWithSqrtSizeOfButtons ($inputArray) {
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// create a table that is optimal (sqrt-like size)
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$numberOfIcons = count($inputArray);
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if ($numberOfIcons == 0) {
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// no items to display
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return;
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}
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$numberOfCols = ceil(sqrt($numberOfIcons));
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$porcentageWidth = floor(100/$numberOfCols);
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echo '<table class=gridtable>';
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$colcounter = 0;
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for ($index=0;$index<$numberOfIcons;$index++) {
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if ($colcounter == 0) {
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echo "<tr><td>";
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}
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$anEntry = $inputArray[$index];
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$textOfButton = $anEntry["textOfButton"]; #
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$onClickMethod = $anEntry["onClickMethod"]; // With parameters!
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$button = '<input type="button" value="' . $textOfButton . '"';
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$button = $button . ' onclick="' . $onClickMethod . '"';
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$button = $button . ' style="height: 50px; width:' . $porcentageWidth . '%; font-size:20px; background-color:#b3b3c9" />';
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echo $button;
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$colcounter++;
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if ($colcounter == $numberOfCols) {
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$colcounter = 0;
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echo "</tr>";
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}
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}
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echo "</tr>";
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echo "</table>";
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}
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function createGridTableWithSqrtSizeOfStyleButtons($inputArray) {
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$this->createGridTableWithSqrtSizeOfStyleButtonsAndHeader($inputArray,'','dummy');
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}
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function getTableNameFromId($pdo,$tableid) {
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if (is_null($tableid) || ($tableid == 0)) {
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return "-"; // togo
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}
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$sql = "SELECT tableno FROM %resttables% WHERE id=?";
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$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
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$stmt->execute(array($tableid));
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$row = $stmt->fetchObject();
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return $row->tableno;
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}
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function getCurrentPriceLevel($pdo) {
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$sql = "SELECT setting FROM %config% WHERE name='pricelevel'";
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$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
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$stmt->execute();
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$row = $stmt->fetchObject();
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$pricelevelid = $row->setting;
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$sql = "SELECT id,name FROM %pricelevel% WHERE id=?";
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$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
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$stmt->execute(array($pricelevelid));
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$row = $stmt->fetchObject();
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$pricelevelname = $row->name;
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return (array("id" => $pricelevelid, "name" => $pricelevelname));
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}
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function createGridTableWithSqrtSizeOfStyleButtonsAndHeader ($inputArray,$headline,$headercolor) {
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// create a table that is optimal (sqrt-like size)
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$numberOfIcons = count($inputArray);
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if ($numberOfIcons == 0) {
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// no items to display
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return;
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}
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$numberOfCols = ceil(sqrt($numberOfIcons));
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$porcentageWidth = floor(100.0/$numberOfCols);
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echo '<table class=gridtable>';
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// Headline
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if ($headline <> '') {
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echo '<tr><th style="background-color:#' . $headercolor . '">' . $headline . '</th>';
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}
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$colcounter = 0;
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for ($index=0;$index<$numberOfIcons;$index++) {
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if ($colcounter == 0) {
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echo "<tr><td>";
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}
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$anEntry = $inputArray[$index];
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$textOfButton = $anEntry["textOfButton"]; #
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$onClickMethod = $anEntry["onClickMethod"]; // With parameters!
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$style = $anEntry["style"];
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$button = '<input type="button" value="' . $textOfButton . '"';
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$button = $button . ' onclick="' . $onClickMethod . '"';
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$button = $button . ' style="' . $style . '; width:' . $porcentageWidth . '%;" />';
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echo $button;
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$colcounter++;
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if ($colcounter == $numberOfCols) {
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$colcounter = 0;
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echo "</tr>";
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}
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}
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echo "</tr>";
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echo "</table>";
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}
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function getCurrency() {
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$pdo = $this->dbutils->openDbAndReturnPdo();
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$sql = "SELECT setting from %config% where name='currency'";
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$stmt = $pdo->prepare($this->dbutils->resolveTablenamesInSqlString($sql));
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$stmt->execute();
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$row =$stmt->fetchObject();
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if ($row != null) {
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return $row->setting;
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} else {
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return "Euro";
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}
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}
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public static function getRowSqlObject($pdo,$sql,$params = null) {
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$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
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if (is_null($params)) {
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$stmt->execute();
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} else {
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$stmt->execute($params);
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}
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return ($stmt->fetchObject());
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}
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public static function fetchSqlAll($pdo,$sql,$params = null) {
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$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
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if (is_null($params)) {
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$stmt->execute();
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} else {
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$stmt->execute($params);
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}
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return ($stmt->fetchAll(PDO::FETCH_ASSOC));
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}
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public static function execSql($pdo,$sql,$params) {
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$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
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if (is_null($params)) {
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$stmt->execute();
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} else {
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$stmt->execute($params);
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}
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}
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public static function getConfigValueStmt($pdo,$stmt,$item,$default) {
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$stmt->execute(array($item));
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$row =$stmt->fetchObject();
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if ($row->countid == 0) {
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return $default;
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} else {
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return self::getExistingConfigValue($pdo, $item);
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}
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}
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public static function getConfigValue($pdo,$item,$default) {
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$sql = "SELECT count(id) as countid FROM %config% WHERE name=?";
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$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
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$stmt->execute(array($item));
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$row =$stmt->fetchObject();
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if ($row->countid == 0) {
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return $default;
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} else {
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return self::getExistingConfigValue($pdo, $item);
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}
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}
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public static function getExistingConfigValue($pdo,$item) {
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$sql = "SELECT setting FROM %config% WHERE name=?";
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$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
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$stmt->execute(array($item));
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$row = $stmt->fetchObject();
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return $row->setting;
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}
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public static function callPlugin($pdo,$fct,$condition) {
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try {
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if (!is_null(self::$plugins)) {
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if (array_key_exists($fct,self::$plugins)) {
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$plugin = self::$plugins->$fct;
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if (($plugin->execution) === $condition) {
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$cls = $plugin->PluginClass;
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$fct=$plugin->PluginFct;
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$call = "Plugin\\$cls::$fct";
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call_user_func($call,$pdo);
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return true;
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}
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}
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}
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} catch(Exception $e) { }
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return false;
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}
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public static function log($pdo, $component, $message) {
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$dblog = self::getConfigValue($pdo, "dblog", 1);
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if ($dblog == 1) {
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date_default_timezone_set(DbUtils::getTimeZone());
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$currentTime = date('Y-m-d H:i:s');
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$sql = "INSERT INTO %log% (date,component,message) VALUES(?,?,?)";
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$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
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$stmt->execute(array($currentTime, $component, $message));
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}
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}
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public static function getLog($pdo) {
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$sql = "SELECT date,component,message FROM %log%";
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$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
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$stmt->execute();
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$result = $stmt->fetchAll();
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$txt = "";
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foreach ($result as $aLogLine) {
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$txt .= $aLogLine["date"] . ";" . $aLogLine["component"] . ";" . $aLogLine["message"] . "\n";
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}
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return $txt;
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}
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public static function getLastLog($pdo) {
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$sql = "SELECT date,component,message FROM %log% WHERE DATE_SUB(NOW(),INTERVAL 2 HOUR) <= date";
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$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
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$stmt->execute();
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$result = $stmt->fetchAll();
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$txt = "";
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foreach ($result as $aLogLine) {
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$txt .= $aLogLine["date"] . ";" . $aLogLine["component"] . ";" . $aLogLine["message"] . "\n";
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}
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return $txt;
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}
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public static function keepOnlyLastLog($pdo) {
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$sql = "DELETE FROM %log% WHERE DATE_SUB(NOW(),INTERVAL 2 HOUR) > date";
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$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
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$stmt->execute();
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}
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public static function strEndsWith($haystack, $needle)
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{
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return $needle === "" || substr($haystack, -strlen($needle)) === $needle;
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}
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public static function startsWith($aText, $needle)
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{
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return $needle === "" || strpos($aText, $needle) === 0;
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}
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public static function caseOfSqlUnitSelection($pdo) {
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$decpoint = htmlspecialchars(CommonUtils::getConfigValue($pdo, "decpoint", "."));
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$unit = "CASE ";
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foreach(CommonUtils::$g_units_arr as $aUnit) {
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if ($aUnit["value"] > 1) {
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$unit .= " WHEN Q.unit='" . $aUnit["value"] . "' THEN CONCAT(REPLACE(unitamount,'.','$decpoint'),'" . $aUnit["text"] . "',' ') ";
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}
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}
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$unit .= " ELSE '' ";
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$unit .= "END";
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return $unit;
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}
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public static function scaleImg($fn,$maxDim) {
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list($width, $height, $type, $attr) = getimagesize($fn);
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$size = getimagesize($fn);
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$ratio = $size[0] / $size[1]; // width/height
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if ($ratio > 1) {
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$width = $maxDim;
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$height = $maxDim / $ratio;
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} else {
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$width = $maxDim * $ratio;
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$height = $maxDim;
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}
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$src = imagecreatefromstring(file_get_contents($fn));
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$dst = imagecreatetruecolor($width, $height);
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imagealphablending($dst, false);
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imagesavealpha($dst, true);
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$transparent = imagecolorallocatealpha($dst, 255, 255, 255, 127);
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imagefilledrectangle($dst, 0, 0, $width, $height, $transparent);
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imagecopyresampled($dst, $src, 0, 0, 0, 0, $width, $height, $size[0], $size[1]);
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imagedestroy($src);
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ob_start();
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imagepng($dst); // adjust format as needed
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$imagedata = ob_get_contents();
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ob_end_clean();
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imagedestroy($dst);
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return $imagedata;
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}
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} |