stock database design

app/inventory/api/engine/manage_warehouse.php

@@ -5,6 +5,8 @@ require '../../../assets/utils/db_auth.php';
 
 $id = (int)($data['id'] ?? 0);
 
+$pdo2->beginTransaction();
+
 // get existing log
 $sql = "SELECT `log`
         FROM md_warehouse
@@ -51,6 +53,7 @@ if ($id > 0) {
     ":status"         => (int)($data["status"] ?? 1),
     ":log"            => json_encode($table_log, JSON_UNESCAPED_UNICODE),
   ]);
+  db_check($sth, $answer);
 
 } else {
 
@@ -70,10 +73,25 @@ if ($id > 0) {
     ":status"         => (int)($data["status"] ?? 1),
     ":log"            => json_encode($table_log, JSON_UNESCAPED_UNICODE),
   ]);
+  db_check($sth, $answer);
+
+
+  
+  if(!empty($data["warehouse_name"])){
+    /**
+     * Create warehouse table
+     */
+    $safe_name = 'td_stock_' . preg_replace('/[^a-zA-Z0-9_]/', '', $data["warehouse_name"]);
+  
+    $sql = "CREATE TABLE `$safe_name` LIKE `td_stock`";
+    $sth = $pdo2->prepare($sql); 
+    $sth->execute();
+    db_check($sth, $answer);
+  }
   
 }
 
-db_check($sth, $answer);
+$pdo2->commit();
 
 $answer["success"] = 1;
 exit(json_encode($answer));