Changes api to GetData

src/Umbraco.Core/Models/Blocks/BlockListLayoutReference.cs

@@ -10,10 +10,9 @@ namespace Umbraco.Core.Models.Blocks
     [DataContract(Name = "blockListLayout", Namespace = "")]
     public class BlockListLayoutReference : IBlockElement<IPublishedElement>
     {
-        public BlockListLayoutReference(Udi udi, IPublishedElement data, IPublishedElement settings)
+        public BlockListLayoutReference(Udi udi, IPublishedElement settings)
         {
             Udi = udi ?? throw new ArgumentNullException(nameof(udi));
-            Data = data ?? throw new ArgumentNullException(nameof(data));
             Settings = settings; // can be null
         }
 
@@ -29,13 +28,5 @@ namespace Umbraco.Core.Models.Blocks
         [DataMember(Name = "settings")]
         public IPublishedElement Settings { get; }
 
-        /// <summary>
-        /// The data item referenced
-        /// </summary>
-        /// <remarks>
-        /// This is ignored from serialization since it is just a reference to the actual data element
-        /// </remarks>
-        [IgnoreDataMember]
-        public IPublishedElement Data { get; }
     }
 }

src/Umbraco.Core/Models/Blocks/BlockListModel.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Linq;
 using System.Runtime.Serialization;
 using Umbraco.Core.Models.PublishedContent;
 
@@ -22,6 +23,17 @@ namespace Umbraco.Core.Models.Blocks
         [DataMember(Name = "layout")]
         public IEnumerable<BlockListLayoutReference> Layout { get; }
 
-        
+        /// <summary>
+        /// Returns the data item associated with the layout udi reference
+        /// </summary>
+        /// <param name="udi"></param>
+        /// <returns></returns>
+        public IPublishedElement GetData(Udi udi)
+        {
+            if (!(udi is GuidUdi guidUdi))
+                return null;
+            return Data.FirstOrDefault(x => x.Key == guidUdi.Guid);
+        }
+
     }
 }