init commit of strongly typed models for implementations of a block editor and the upcoming block list editor

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

@@ -0,0 +1,16 @@
+using System.Collections.Generic;
+using Umbraco.Core.Models.PublishedContent;
+
+namespace Umbraco.Core.Models.Blocks
+{
+    /// <summary>
+    /// The base class for any strongly typed model for a Block editor implementation
+    /// </summary>
+    public abstract class BlockEditorModel
+    {
+        /// <summary>
+        /// The data items of the Block List editor
+        /// </summary>
+        public IEnumerable<IPublishedElement> Data { get; }
+    }
+}

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

@@ -0,0 +1,20 @@
+using System;
+using Umbraco.Core.Models.PublishedContent;
+
+namespace Umbraco.Core.Models.Blocks
+{
+    /// <summary>
+    /// Represents a layout item for the Block List editor
+    /// </summary>
+    public class BlockListLayoutReference : IBlockElement<IPublishedElement>
+    {
+        public BlockListLayoutReference(Udi udi, IPublishedElement settings)
+        {
+            Udi = udi ?? throw new ArgumentNullException(nameof(udi));
+            Settings = settings ?? throw new ArgumentNullException(nameof(settings));
+        }
+
+        public Udi Udi { get; }
+        public IPublishedElement Settings { get; }
+    }
+}

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

@@ -0,0 +1,17 @@
+using System.Collections.Generic;
+
+namespace Umbraco.Core.Models.Blocks
+{
+    /// <summary>
+    /// The strongly typed model for the Block List editor
+    /// </summary>
+    public class BlockListModel : BlockEditorModel
+    {
+        /// <summary>
+        /// The layout items of the Block List editor
+        /// </summary>
+        public IEnumerable<BlockListLayoutReference> Layout { get; }
+
+        
+    }
+}

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

@@ -0,0 +1,18 @@
+namespace Umbraco.Core.Models.Blocks
+{
+    // TODO: IBlockElement doesn't make sense, this is a reference to an actual element with some settings
+    // and always has to do with the "Layout", should possibly be called IBlockReference or IBlockLayout or IBlockLayoutReference
+
+    /// <summary>
+    /// Represents a data item for a Block editor implementation
+    /// </summary>
+    /// <typeparam name="TSettings"></typeparam>
+    /// <remarks>
+    /// see: https://github.com/umbraco/rfcs/blob/907f3758cf59a7b6781296a60d57d537b3b60b8c/cms/0011-block-data-structure.md#strongly-typed
+    /// </remarks>
+    public interface IBlockElement<TSettings>
+    {
+        Udi Udi { get; }
+        TSettings Settings { get; }
+    }
+}

src/Umbraco.Core/Umbraco.Core.csproj

@@ -129,6 +129,10 @@
     -->
     <Compile Include="AssemblyExtensions.cs" />
     <Compile Include="Migrations\Upgrade\V_8_6_0\AddMainDomLock.cs" />
+    <Compile Include="Models\Blocks\BlockEditorModel.cs" />
+    <Compile Include="Models\Blocks\BlockListLayoutReference.cs" />
+    <Compile Include="Models\Blocks\BlockListModel.cs" />
+    <Compile Include="Models\Blocks\IBlockElement.cs" />
     <Compile Include="Runtime\IMainDomLock.cs" />
     <Compile Include="Runtime\MainDomSemaphoreLock.cs" />
     <Compile Include="Runtime\SqlMainDomLock.cs" />