Version 1

[yaffs-website] / web / core / modules / user / src / Plugin / Validation / Constraint / UserNameUnique.php

diff --git a/web/core/modules/user/src/Plugin/Validation/Constraint/UserNameUnique.php b/web/core/modules/user/src/Plugin/Validation/Constraint/UserNameUnique.php
new file mode 100644 (file)
index 0000000..d0f6ed4
--- /dev/null
+++ b/web/core/modules/user/src/Plugin/Validation/Constraint/UserNameUnique.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace Drupal\user\Plugin\Validation\Constraint;
+
+use Drupal\Core\Validation\Plugin\Validation\Constraint\UniqueFieldConstraint;
+
+/**
+ * Checks if a user name is unique on the site.
+ *
+ * @Constraint(
+ *   id = "UserNameUnique",
+ *   label = @Translation("User name unique", context = "Validation"),
+ * )
+ */
+class UserNameUnique extends UniqueFieldConstraint {
+
+  public $message = 'The username %value is already taken.';
+
+}