Get template by id, guid and udi

src/Umbraco.Web/Editors/TemplateController.cs

@@ -1,8 +1,10 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Net;
 using System.Net.Http;
 using System.Web.Http;
+using System.Web.Http.Controllers;
 using Umbraco.Core;
 using Umbraco.Core.Cache;
 using Umbraco.Core.Configuration;
@@ -13,6 +15,7 @@ using Umbraco.Core.Persistence;
 using Umbraco.Core.Services;
 using Umbraco.Web.Models.ContentEditing;
 using Umbraco.Web.Mvc;
+using Umbraco.Web.WebApi;
 using Umbraco.Web.WebApi.Filters;
 using Constants = Umbraco.Core.Constants;
 
@@ -20,6 +23,7 @@ namespace Umbraco.Web.Editors
 {
     [PluginController("UmbracoApi")]
     [UmbracoTreeAuthorize(Constants.Trees.Templates)]
+    [TemplateControllerConfiguration]
     public class TemplateController : BackOfficeNotificationsController
     {
         public TemplateController(IGlobalSettings globalSettings, IUmbracoContextAccessor umbracoContextAccessor, ISqlContext sqlContext, ServiceContext services, AppCaches appCaches, IProfilingLogger logger, IRuntimeState runtimeState, UmbracoHelper umbracoHelper)
@@ -27,6 +31,19 @@ namespace Umbraco.Web.Editors
         {
         }
 
+        /// <summary>
+        /// Configures this controller with a custom action selector
+        /// </summary>
+        private class TemplateControllerConfigurationAttribute : Attribute, IControllerConfiguration
+        {
+            public void Initialize(HttpControllerSettings controllerSettings, HttpControllerDescriptor controllerDescriptor)
+            {
+                controllerSettings.Services.Replace(typeof(IHttpActionSelector), new ParameterSwapControllerActionSelector(
+                    new ParameterSwapControllerActionSelector.ParameterSwapInfo("GetById", "id", typeof(int), typeof(Guid), typeof(Udi))
+                ));
+            }
+        }
+
         /// <summary>
         /// Gets data type by alias
         /// </summary>
@@ -48,7 +65,7 @@ namespace Umbraco.Web.Editors
         }
 
         /// <summary>
-        /// Gets the content json for the content id
+        /// Gets the template json for the template id
         /// </summary>
         /// <param name="id"></param>
         /// <returns></returns>
@@ -61,6 +78,40 @@ namespace Umbraco.Web.Editors
             return Mapper.Map<ITemplate, TemplateDisplay>(template);
         }
 
+        /// <summary>
+        /// Gets the template json for the template guid
+        /// </summary>
+        /// <param name="id"></param>
+        /// <returns></returns>
+        public TemplateDisplay GetById(Guid id)
+        {
+            var template = Services.FileService.GetTemplate(id);
+            if (template == null)
+                throw new HttpResponseException(HttpStatusCode.NotFound);
+
+            return Mapper.Map<ITemplate, TemplateDisplay>(template);
+        }
+
+        /// <summary>
+        /// Gets the template json for the template udi
+        /// </summary>
+        /// <param name="id"></param>
+        /// <returns></returns>
+        public TemplateDisplay GetById(Udi id)
+        {
+            var guidUdi = id as GuidUdi;
+            if (guidUdi == null)
+                throw new HttpResponseException(HttpStatusCode.NotFound);
+
+            var template = Services.FileService.GetTemplate(guidUdi.Guid);
+            if (template == null)
+            {
+                throw new HttpResponseException(HttpStatusCode.NotFound);
+            }
+
+            return Mapper.Map<ITemplate, TemplateDisplay>(template);
+        }
+
         /// <summary>
         /// Deletes a template with a given ID
         /// </summary>