Add additional preview URLs option (#14479)

src/Umbraco.Core/Models/ContentEditing/ContentVariationDisplay.cs

@@ -14,6 +14,7 @@ public class ContentVariantDisplay : ITabbedContent<ContentPropertyDisplay>, ICo
         Tabs = new List<Tab<ContentPropertyDisplay>>();
         Notifications = new List<BackOfficeNotification>();
         AllowedActions = Enumerable.Empty<string>();
+        AdditionalPreviewUrls = Enumerable.Empty<NamedUrl>();
     }
 
     [DataMember(Name = "allowedActions", IsRequired = true)]
@@ -72,6 +73,9 @@ public class ContentVariantDisplay : ITabbedContent<ContentPropertyDisplay>, ICo
     /// </summary>
     [DataMember(Name = "tabs")]
     public IEnumerable<Tab<ContentPropertyDisplay>> Tabs { get; set; }
+
+    [DataMember(Name = "additionalPreviewUrls")]
+    public IEnumerable<NamedUrl> AdditionalPreviewUrls { get; set; }
 }
 
 public class ContentVariantScheduleDisplay : ContentVariantDisplay

src/Umbraco.Core/Models/ContentEditing/NamedUrl.cs

@@ -0,0 +1,13 @@
+using System.Runtime.Serialization;
+
+namespace Umbraco.Cms.Core.Models.ContentEditing;
+
+[DataContract(Name = "namedUrl", Namespace = "")]
+public class NamedUrl
+{
+    [DataMember(Name = "name")]
+    public required string Name { get; set; }
+
+    [DataMember(Name = "url")]
+    public required string Url { get; set; }
+}

src/Umbraco.Web.BackOffice/Mapping/ContentMapDefinition.cs

@@ -127,6 +127,7 @@ internal class ContentMapDefinition : IMapDefinition
         target.Tabs = source.Tabs;
         target.UpdateDate = source.UpdateDate;
         target.AllowedActions = source.AllowedActions;
+        target.AdditionalPreviewUrls = source.AdditionalPreviewUrls;
     }
 
     // Umbraco.Code.MapAll
@@ -189,6 +190,7 @@ internal class ContentMapDefinition : IMapDefinition
         target.Tabs = source.Tabs;
         target.UpdateDate = source.UpdateDate;
         target.AllowedActions = source.AllowedActions;
+        target.AdditionalPreviewUrls = source.AdditionalPreviewUrls;
 
         // We'll only try and map the ReleaseDate/ExpireDate if the "old" ContentVariantScheduleDisplay is in the context, otherwise we'll just skip it quietly.
         _ = context.Items.TryGetValue(nameof(ContentItemDisplayWithSchedule.Variants), out var variants);
@@ -352,7 +354,7 @@ internal class ContentMapDefinition : IMapDefinition
         return result;
     }
 
-    // Umbraco.Code.MapAll -Segment -Language -DisplayName
+    // Umbraco.Code.MapAll -Segment -Language -DisplayName -AdditionalPreviewUrls
     private void Map(IContent source, ContentVariantDisplay target, MapperContext context)
     {
         target.CreateDate = source.CreateDate;