make System.Net.Mail Importance/X-Priority header values simpler and …

…more correct (lower-case)
trenz-gmbh · Oct 14, 2024 · 2298da0 · 2298da0
1 parent deef396
commit 2298da0
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Showing 2 changed files with 21 additions and 11 deletions.
diff --git a/TRENZ.Lib.RazorMail.Core/Models/MailImportance.cs b/TRENZ.Lib.RazorMail.Core/Models/MailImportance.cs
@@ -13,3 +13,22 @@ public enum MailImportance
     Normal = 3,
     Low = 5
 }
+
+public static class MailImportanceExtensions
+{
+    public static string ToImportanceHeaderValue(this MailImportance importance)
+        => importance switch
+        {
+            MailImportance.High => "high",
+            MailImportance.Low => "low",
+            _ => "normal",
+        };
+
+    public static string ToXPriorityHeaderValue(this MailImportance importance)
+        => importance switch
+        {
+            MailImportance.High => "2",
+            MailImportance.Low => "4",
+            _ => "3",
+        };
+}
diff --git a/TRENZ.Lib.RazorMail.SystemNet/Extensions/SystemNetMailMessageExtensions.cs b/TRENZ.Lib.RazorMail.SystemNet/Extensions/SystemNetMailMessageExtensions.cs
@@ -49,18 +49,9 @@ private static void SetMailHeaders(RazorMailMessage razorMessage, SystemNetMailM
         foreach (var item in razorMessage.Headers.ReplyTo)
             systemNetMessage.ReplyToList.Add(item.ToMailAddress());
 
-        systemNetMessage.Headers["Importance"] = razorMessage.Headers.Importance switch
-        {
-            MailImportance.Low or MailImportance.High => razorMessage.Headers.Importance.ToString(),
-            _ => MailImportance.Normal.ToString()
-        };
+        systemNetMessage.Headers["Importance"] = razorMessage.Headers.Importance.ToImportanceHeaderValue();
 
-        systemNetMessage.Headers["X-Priority"] = razorMessage.Headers.Importance switch
-        {
-            MailImportance.Low => "4",
-            MailImportance.High => "2",
-            _ => "3"
-        };
+        systemNetMessage.Headers["X-Priority"] = razorMessage.Headers.Importance.ToXPriorityHeaderValue();
 
         foreach (var (name, value) in razorMessage.Headers.NonSpecificHandledHeaders)
         {