From ac769e656b122ff569c3f1534701b71e00fed586 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 27 Oct 2020 19:21:35 +0800
Subject: Split front and back end.

---
 .../Timeline/Models/Validation/UsernameValidator.cs   | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 BackEnd/Timeline/Models/Validation/UsernameValidator.cs

(limited to 'BackEnd/Timeline/Models/Validation/UsernameValidator.cs')

diff --git a/BackEnd/Timeline/Models/Validation/UsernameValidator.cs b/BackEnd/Timeline/Models/Validation/UsernameValidator.cs
new file mode 100644
index 00000000..87bbf85f
--- /dev/null
+++ b/BackEnd/Timeline/Models/Validation/UsernameValidator.cs
@@ -0,0 +1,19 @@
+using System;
+
+namespace Timeline.Models.Validation
+{
+    public class UsernameValidator : NameValidator
+    {
+    }
+
+    [AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter,
+        AllowMultiple = false)]
+    public class UsernameAttribute : ValidateWithAttribute
+    {
+        public UsernameAttribute()
+            : base(typeof(UsernameValidator))
+        {
+
+        }
+    }
+}
-- 
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