取消兑换码使用后不再弹出此剪切板内容的兑换码

BetterGenshinImpact/GameTask/UseRedeemCode/RedeemCodeManager.cs

@@ -4,6 +4,7 @@ using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
+using BetterGenshinImpact.Helpers.Security;
 using BetterGenshinImpact.View.Windows;
 using TextBox = Wpf.Ui.Controls.TextBox;
 
@@ -11,8 +12,16 @@ namespace BetterGenshinImpact.GameTask.UseRedeemCode;
 
 public class RedeemCodeManager
 {
+    public static HashSet<string> CancelClipboardHash { get; } = [];
+    
     public static async Task ImportFromClipboard(string clipboardText)
     {
+        var md5Hash = MD5Helper.ComputeMD5(clipboardText);
+        if (CancelClipboardHash.Contains(md5Hash))
+        {
+            return;
+        }
+        
         var codes = ExtractAllCodes(clipboardText);
         if (codes.Count == 0)
         {
@@ -36,6 +45,11 @@ public class RedeemCodeManager
 
         if (p.DialogResult != true)
         {
+            if (CancelClipboardHash.Count > 10)
+            {
+                CancelClipboardHash.Clear();
+            }
+            CancelClipboardHash.Add(md5Hash);
             return;
         }
 

BetterGenshinImpact/Helpers/Security/MD5Helper.cs

@@ -0,0 +1,35 @@
+using System.Security.Cryptography;
+using System.Text;
+
+namespace BetterGenshinImpact.Helpers.Security;
+
+public static class MD5Helper
+{
+    /// <summary>
+    /// 计算字符串的MD5哈希值
+    /// </summary>
+    /// <param name="input">输入字符串</param>
+    /// <param name="encoding">字符编码，默认为UTF-8</param>
+    /// <returns>32位小写MD5哈希值</returns>
+    public static string ComputeMD5(string input, Encoding encoding = null)
+    {
+        if (string.IsNullOrEmpty(input))
+            return string.Empty;
+
+        encoding = encoding ?? Encoding.UTF8;
+        
+        using (var md5 = MD5.Create())
+        {
+            byte[] inputBytes = encoding.GetBytes(input);
+            byte[] hashBytes = md5.ComputeHash(inputBytes);
+            
+            // 将字节数组转换为十六进制字符串
+            StringBuilder sb = new StringBuilder();
+            for (int i = 0; i < hashBytes.Length; i++)
+            {
+                sb.Append(hashBytes[i].ToString("x2"));
+            }
+            return sb.ToString();
+        }
+    }
+}