extensibility enhancements for site templates

Oqtane.Client/Services/SiteTemplateService.cs

@@ -0,0 +1,35 @@
+using Oqtane.Models;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Components;
+using Oqtane.Shared;
+
+namespace Oqtane.Services
+{
+    public class SiteTemplateService : ServiceBase, ISiteTemplateService
+    {
+        private readonly HttpClient _http;
+        private readonly SiteState _siteState;
+        private readonly NavigationManager _navigationManager;
+
+        public SiteTemplateService(HttpClient http, SiteState siteState, NavigationManager navigationManager)
+        {
+            _http = http;
+            _siteState = siteState;
+            _navigationManager = navigationManager;
+        }
+
+        private string Apiurl
+        {
+            get { return CreateApiUrl(_siteState.Alias, _navigationManager.Uri, "SiteTemplate"); }
+        }
+
+        public async Task<List<SiteTemplate>> GetSiteTemplatesAsync()
+        {
+            List<SiteTemplate> siteTemplates = await _http.GetJsonAsync<List<SiteTemplate>>(Apiurl);
+            return siteTemplates.OrderBy(item => item.Name).ToList();
+        }
+    }
+}