Partial implementation of PackageManager

MediaBrowser.Common.Implementations/Updates/PackageManager.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Common.Kernel;
+using MediaBrowser.Common.Net;
+using MediaBrowser.Common.Security;
+using MediaBrowser.Common.Updates;
+using MediaBrowser.Model.Serialization;
+using MediaBrowser.Model.Updates;
+
+namespace MediaBrowser.Common.Implementations.Updates
+{
+    public class PackageManager : IPackageManager
+    {
+        public async Task<IEnumerable<PackageInfo>> GetAvailablePackages(IHttpClient client, 
+            INetworkManager networkManager, 
+            ISecurityManager securityManager, 
+            ResourcePool resourcePool, 
+            IJsonSerializer serializer, 
+            CancellationToken cancellationToken)
+        {
+            var data = new Dictionary<string, string> { { "key", securityManager.SupporterKey }, { "mac", networkManager.GetMacAddress() } };
+
+            using (var json = await client.Post(Constants.Constants.MBAdminUrl + "service/package/retrieveall", data, resourcePool.Mb, cancellationToken).ConfigureAwait(false))
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+
+                var packages = serializer.DeserializeFromStream<List<PackageInfo>>(json).ToList();
+                foreach (var package in packages)
+                {
+                    package.versions = package.versions.Where(v => !string.IsNullOrWhiteSpace(v.sourceUrl))
+                        .OrderByDescending(v => v.version).ToList();
+                }
+
+                return packages;
+            }
+
+        }
+
+        public Task InstallPackage(PackageVersionInfo package, CancellationToken cancellationToken)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}