Relations/types mangement api cleanup

src/Umbraco.Cms.Api.Management/Controllers/RelationType/AllRelationTypeTreeController.cs

@@ -0,0 +1,41 @@
+using Asp.Versioning;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Umbraco.Cms.Api.Common.ViewModels.Pagination;
+using Umbraco.Cms.Api.Management.ViewModels.RelationType;
+using Umbraco.Cms.Core.Mapping;
+using Umbraco.Cms.Core.Models;
+using Umbraco.Cms.Core.Services;
+
+namespace Umbraco.Cms.Api.Management.Controllers.RelationType;
+
+[ApiVersion("1.0")]
+public class RootRelationTypeTreeController : RelationTypeControllerBase
+{
+    private readonly IRelationService _relationService;
+    private readonly IUmbracoMapper _umbracoMapper;
+
+    public RootRelationTypeTreeController(
+        IRelationService relationService,
+        IUmbracoMapper umbracoMapper)
+    {
+        _relationService = relationService;
+        _umbracoMapper = umbracoMapper;
+    }
+
+    [HttpGet]
+    [MapToApiVersion("1.0")]
+    [ProducesResponseType(typeof(PagedViewModel<RelationTypeResponseModel>), StatusCodes.Status200OK)]
+    public async Task<ActionResult<PagedViewModel<RelationTypeResponseModel>>> Get(int skip = 0, int take = 100)
+    {
+        PagedModel<IRelationType> allRelationTypes = await _relationService.GetPagedRelationTypesAsync(skip, take);
+
+        var pagedResult = new PagedViewModel<RelationTypeResponseModel>
+        {
+            Total = allRelationTypes.Total,
+            Items = _umbracoMapper.MapEnumerable<IRelationType, RelationTypeResponseModel>(allRelationTypes.Items.Skip(skip).Take(take)),
+        };
+
+        return Ok(pagedResult);
+    }
+}

src/Umbraco.Cms.Api.Management/DependencyInjection/RelationTypesBuilderExtensions.cs

@@ -14,7 +14,6 @@ internal static IUmbracoBuilder AddRelationTypes(this IUmbracoBuilder builder)
             .Add<RelationTypeViewModelsMapDefinition>();
 
         builder.Services.AddTransient<IObjectTypePresentationFactory, ObjectTypePresentationFactory>();
-        builder.Services.AddTransient<IRelationTypePresentationFactory, RelationTypePresentationFactory>();
         return builder;
     }
 }

src/Umbraco.Cms.Api.Management/Factories/RelationPresentationFactory.cs

@@ -1,8 +1,8 @@
-using Umbraco.Cms.Core.Mapping;
+using Umbraco.Cms.Api.Management.ViewModels;
+using Umbraco.Cms.Api.Management.ViewModels.Relation;
 using Umbraco.Cms.Core.Models;
 using Umbraco.Cms.Core.Models.Entities;
 using Umbraco.Cms.Core.Services;
-using Umbraco.Cms.Api.Management.ViewModels.Relation;
 
 namespace Umbraco.Cms.Api.Management.Factories;
 
@@ -19,22 +19,24 @@ public RelationPresentationFactory(IRelationService relationService, IEntityServ
 
     public RelationResponseModel Create(IRelation relation)
     {
-        var child = _entityService.Get(relation.ChildId)!;
-        var parent = _entityService.Get(relation.ParentId)!;
+        IEntitySlim child = _entityService.Get(relation.ChildId)!;
+        IEntitySlim parent = _entityService.Get(relation.ParentId)!;
 
-        RelationResponseModel relationResponseModel = new RelationResponseModel()
+        var relationResponseModel = new RelationResponseModel(
+            new ReferenceByIdModel(relation.RelationType.Key),
+            new RelationReferenceModel(parent.Key),
+            new RelationReferenceModel(child.Key))
         {
-            ChildId = child.Key,
+            Id = relation.Key,
             Comment = relation.Comment,
             CreateDate = relation.CreateDate,
-            ParentId = parent.Key,
         };
         Tuple<IUmbracoEntity, IUmbracoEntity>? entities = _relationService.GetEntitiesFromRelation(relation);
 
         if (entities is not null)
         {
-            relationResponseModel.ParentName = entities.Item1.Name;
-            relationResponseModel.ChildName = entities.Item2.Name;
+            relationResponseModel.Parent.Name = entities.Item1.Name;
+            relationResponseModel.Child.Name = entities.Item2.Name;
         }
 
         return relationResponseModel;