From 05ccb4d8f1bbe3fb64e117136b4a89bcfb0b0b33 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.

---
 .../Models/Validation/NicknameValidator.cs         | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 BackEnd/Timeline/Models/Validation/NicknameValidator.cs

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

diff --git a/BackEnd/Timeline/Models/Validation/NicknameValidator.cs b/BackEnd/Timeline/Models/Validation/NicknameValidator.cs
new file mode 100644
index 00000000..1d6ab163
--- /dev/null
+++ b/BackEnd/Timeline/Models/Validation/NicknameValidator.cs
@@ -0,0 +1,25 @@
+using System;
+using static Timeline.Resources.Models.Validation.NicknameValidator;
+
+namespace Timeline.Models.Validation
+{
+    public class NicknameValidator : Validator<string>
+    {
+        protected override (bool, string) DoValidate(string value)
+        {
+            if (value.Length > 25)
+                return (false, MessageTooLong);
+
+            return (true, GetSuccessMessage());
+        }
+    }
+
+    [AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, AllowMultiple = false)]
+    public class NicknameAttribute : ValidateWithAttribute
+    {
+        public NicknameAttribute() : base(typeof(NicknameValidator))
+        {
+
+        }
+    }
+}
-- 
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