changed sql statement

db/datahandler.php

@@ -6,7 +6,7 @@ class DataHandler
 {
     public function registerUser($data)
     {
-        $username = testinput($data->username);
+        $username = testinput($data->email);
         $password = testinput($data->password);
         $email = testinput($data->email);
         $phone = testinput($data->phone);
@@ -17,12 +17,13 @@ class DataHandler
         $streetnumber = testinput($data->streetnumber);
         $postalcode = testinput($data->postalcode);
         $country = testinput($data->country);
+        $role = "customer";
 
         $password = password_hash($password, PASSWORD_DEFAULT);
 
         require($_SERVER['DOCUMENT_ROOT'] . '/config/setupDBAccess.php');
         
-        $sql = "INSERT INTO user (username, password, email, phone, salutation, firstname, lastname) VALUES (?,?,?,?,?,?,?)";
+        $sql = "INSERT INTO `user` (`user_id`, `username`, `password`, `email`, `phone`, `salutation`, `firstname`, `lastname`, `role`, `created_at`) VALUES (?,?,?,?,?,?,?,?,?,?)";
         $sql2 = "INSERT IGNORE INTO cities (postalcode, name) VALUES (?,?)";
         $sql3 = "INSERT INTO address (street, streetnumber, postalcode, country) VALUES (?,?,?,?)";
 
@@ -30,7 +31,7 @@ class DataHandler
         $stmtCities = $db->prepare($sql2);
         $stmtAddress = $db->prepare($sql3);
 
-        $stmtUser->bind_param("sssssss", $username, $password, $email, $phone, $salutation, $firstname, $lastname);
+        $stmtUser->bind_param("ssssssssss",null, $username, $password, $email, $phone, $salutation, $firstname, $lastname, $role, null);
         $stmtCities->bind_param("ss", $postalcode, $country);
         $stmtAddress->bind_param("ssss", $street, $streetnumber, $postalcode, $country);