Initial commit

Oqtane.Client/Services/SkinService.cs

@@ -0,0 +1,60 @@
+using Oqtane.Models;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Components;
+using System.Reflection;
+using System;
+
+namespace Oqtane.Services
+{
+    public class SkinService : ServiceBase, ISkinService
+    {
+        private readonly HttpClient http;
+        private readonly string apiurl;
+
+        private List<Skin> skins;
+
+        public SkinService(HttpClient http, IUriHelper urihelper)
+        {
+            this.http = http;
+            apiurl = CreateApiUrl(urihelper.GetAbsoluteUri(), "Skin");
+        }
+
+        public async Task<List<Skin>> GetSkinsAsync()
+        {
+            if (skins == null)
+            {
+                skins = await http.GetJsonAsync<List<Skin>>(apiurl);
+
+                // get list of loaded assemblies
+                Assembly[] assemblies = AppDomain.CurrentDomain.GetAssemblies();
+
+                foreach (Skin skin in skins)
+                {
+                    if (skin.Dependencies != "")
+                    {
+                        foreach (string dependency in skin.Dependencies.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries))
+                        {
+                            string assemblyname = dependency.Replace(".dll", "");
+                            if (assemblies.Where(item => item.FullName.StartsWith(assemblyname + ",")).FirstOrDefault() == null)
+                            {
+                                // download assembly from server and load
+                                var bytes = await http.GetByteArrayAsync("_framework/_bin/" + assemblyname + ".dll");
+                                Assembly.Load(bytes);
+                            }
+                        }
+                    }
+                    if (assemblies.Where(item => item.FullName.StartsWith(skin.AssemblyName + ",")).FirstOrDefault() == null)
+                    {
+                        // download assembly from server and load
+                        var bytes = await http.GetByteArrayAsync("_framework/_bin/" + skin.AssemblyName + ".dll");
+                        Assembly.Load(bytes);
+                    }
+                }
+            }
+            return skins.OrderBy(item => item.Name).ToList();
+        }
+    }
+}