refactoring, enhancements, and some fixes

Oqtane.Client/Services/SyncService.cs

@@ -0,0 +1,33 @@
+using Oqtane.Models;
+using System.Threading.Tasks;
+using System.Net.Http;
+using System;
+using Oqtane.Documentation;
+using Oqtane.Shared;
+
+namespace Oqtane.Services
+{
+    /// <inheritdoc cref="ISyncService" />
+    [PrivateApi("Don't show in the documentation, as everything should use the Interface")]
+    public class SyncService : ServiceBase, ISyncService
+    {
+
+        private readonly SiteState _siteState;
+
+        /// <summary>
+        /// Constructor - should only be used by Dependency Injection
+        /// </summary>
+        public SyncService(HttpClient http, SiteState siteState) : base(http)
+        {
+            _siteState = siteState;
+        }
+
+        private string ApiUrl => CreateApiUrl("Sync", _siteState.Alias);
+
+        /// <inheritdoc />
+        public async Task<Sync> GetSyncAsync(DateTime lastSyncDate)
+        {
+            return await GetJsonAsync<Sync>($"{ApiUrl}/{lastSyncDate.ToString("yyyyMMddHHmmssfff")}");
+        }
+    }
+}