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Updating stock from checkout success page

Thread began 3/08/2012 7:28 am by dallySP | Last modified 12/09/2013 10:52 am by dallySP | 4605 views | 13 replies


Thats really helpful - thank you so much for your very comprehensive reply.
I've given it a go, but I think I've missed something or got some code snippet slightly wrong. My recordset is inventory. I'm looking up the record via the unique barcode (InvBarcode) and the Stock Field is InvInStock. I also called the url variable InvInStock. My code looks like this, but I'm getting a blank page in the browser. There are server behavious after this in the code, but when I strip this code chunk out the page still works, so I'm guessing its in here somewhere:

while (!$OkeefeCart->EOF()) {
$BarcodeParam_rsInventory = "-1";
if (isset($OkeefeCart->DisplayInfo("Barcode"))) {
$BarcodeParam_rsInventory = (get_magic_quotes_gpc()) ? $OkeefeCart->DisplayInfo("Barcode") : addslashes($OkeefeCart->DisplayInfo("Barcode"));
mysql_select_db($database_cmsconn, $cmsconn);
$query_rsInventory = sprintf("SELECT * FROM inventory WHERE inventory.InvBarcode = %s", GetSQLValueString($BarcodeParam_rsInventory, "int"));
$rsInventory = mysql_query($query_rsInventory, $cmsconn) or die(mysql_error());
$row_rsInventory = mysql_fetch_assoc($rsInventory);
$totalRows_rsInventory = mysql_num_rows($rsInventory);?>
<?php $_GET['InvInStock'] = ($row_rsInventory['InvInStock'] - $OkeefeCart->DisplayInfo("Quantity")); ?>

// WA Application Builder Update
if (!$OkeefeCart->IsEmpty()) // Trigger
$WA_connection = $cmsconn;
$WA_table = "inventory";
$WA_redirectURL = "";
if (function_exists("rel2abs")) $WA_redirectURL = $WA_redirectURL?rel2abs($WA_redirectURL,dirname(__FILE__)):"";
$WA_keepQueryString = false;
$WA_indexField = "InvBarcode";
$WA_fieldNamesStr = "InvInStock";
$WA_fieldValuesStr = "".$_GET['InvInStock'] ."";
$WA_columnTypesStr = "none,none,NULL";
$WA_comparisonStr = "=";
$WA_fieldNames = explode("|", $WA_fieldNamesStr);
$WA_fieldValues = explode("|", $WA_fieldValuesStr);
$WA_columns = explode("|", $WA_columnTypesStr);

$WA_where_fieldValuesStr = "".$OkeefeCart->DisplayInfo("Barcode") ."";
$WA_where_columnTypesStr = "',none,''";
$WA_where_comparisonStr = "=";
$WA_where_fieldNames = explode("|", $WA_indexField);
$WA_where_fieldValues = explode("|", $WA_where_fieldValuesStr);
$WA_where_columns = explode("|", $WA_where_columnTypesStr);
$WA_where_comparisons = explode("|", $WA_where_comparisonStr);

$WA_connectionDB = $database_cmsconn;
mysql_select_db($WA_connectionDB, $WA_connection);
if (!session_id()) session_start();
$updateParamsObj = WA_AB_generateInsertParams($WA_fieldNames, $WA_columns, $WA_fieldValues, -1);
$WhereObj = WA_AB_generateWhereClause($WA_where_fieldNames, $WA_where_columns, $WA_where_fieldValues, $WA_where_comparisons );
$WA_Sql = "UPDATE `" . $WA_table . "` SET " . $updateParamsObj->WA_setValues . " WHERE " . $WhereObj->sqlWhereClause . "";
$MM_editCmd = mysql_query($WA_Sql, $WA_connection) or die(mysql_error());
if ($WA_redirectURL != "") {
if ($WA_keepQueryString && $WA_redirectURL != "" && isset($_SERVER["QUERY_STRING"]) && $_SERVER["QUERY_STRING"] !== "" && sizeof($_POST) > 0) {
$WA_redirectURL .= ((strpos($WA_redirectURL, '?') === false)?"?":"&").$_SERVER["QUERY_STRING"];
header("Location: ".$WA_redirectURL);

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