Add BinStack inventory count updating

action.php

@@ -88,14 +88,20 @@ switch ($VARS['action']) {
         $txid = $database->id();
 
         foreach ($items as $i) {
-            $itemname = $binstack->get('items', 'name', ['itemid' => $i['id']]);
+            $item = $binstack->get('items', ['name', 'qty'], ['itemid' => $i['id']]);
+
             $database->insert('lines', [
                 'txid' => $txid,
                 'amount' => $i['each'],
-                'name' => $itemname,
+                'name' => $item['name'],
                 'itemid' => $i['id'],
                 'qty' => $i['qty']
             ]);
+            $binstack->update('items', [
+                'qty[-]' => $i['qty']
+            ], [
+                'itemid' => $i['id']
+            ]);
         }
 
         foreach ($payments as $p) {