Magic the magic happen

Dalamud/Plugin/Internal/PluginRepository.cs

@@ -0,0 +1,108 @@
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Net;
+using System.Threading.Tasks;
+
+using Dalamud.Plugin.Internal.Types;
+using Newtonsoft.Json;
+
+namespace Dalamud.Plugin.Internal
+{
+    /// <summary>
+    /// This class represents a single plugin repository.
+    /// </summary>
+    internal partial class PluginRepository
+    {
+        private const string DalamudPluginsMasterUrl = "https://raw.githubusercontent.com/goatcorp/DalamudPlugins/master/pluginmaster.json";
+
+        private static readonly ModuleLog Log = new("PLUGINR");
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PluginRepository"/> class.
+        /// </summary>
+        /// <param name="pluginMasterUrl">The plugin master URL.</param>
+        /// <param name="isEnabled">Whether the plugin repo is enabled.</param>
+        public PluginRepository(string pluginMasterUrl, bool isEnabled)
+        {
+            this.PluginMasterUrl = pluginMasterUrl;
+            this.IsThirdParty = pluginMasterUrl != DalamudPluginsMasterUrl;
+            this.IsEnabled = isEnabled;
+
+            // No need to wait for this
+            Task.Run(this.ReloadPluginMasterAsync);
+        }
+
+        /// <summary>
+        /// Gets a new instance of the <see cref="PluginRepository"/> class for the main repo.
+        /// </summary>
+        public static PluginRepository MainRepo => new(DalamudPluginsMasterUrl, true);
+
+        /// <summary>
+        /// Gets the pluginmaster.json URL.
+        /// </summary>
+        public string PluginMasterUrl { get; }
+
+        /// <summary>
+        /// Gets a value indicating whether this plugin repository is from a third party.
+        /// </summary>
+        public bool IsThirdParty { get; }
+
+        /// <summary>
+        /// Gets a value indicating whether this repo is enabled.
+        /// </summary>
+        public bool IsEnabled { get; }
+
+        /// <summary>
+        /// Gets the plugin master list of available plugins.
+        /// </summary>
+        public ReadOnlyCollection<RemotePluginManifest> PluginMaster { get; private set; }
+
+        /// <summary>
+        /// Gets the initialization state of the plugin repository.
+        /// </summary>
+        public PluginRepositoryState State { get; private set; }
+
+        /// <summary>
+        /// Reload the plugin master asynchronously in a task.
+        /// </summary>
+        /// <returns>The new state.</returns>
+        public Task ReloadPluginMasterAsync()
+        {
+            this.State = PluginRepositoryState.InProgress;
+            this.PluginMaster = new List<RemotePluginManifest>().AsReadOnly();
+
+            return Task.Run(() =>
+            {
+                using var client = new WebClient();
+
+                Log.Information($"Fetching repo: {this.PluginMasterUrl}");
+
+                var data = client.DownloadString(this.PluginMasterUrl);
+
+                var pluginMaster = JsonConvert.DeserializeObject<List<RemotePluginManifest>>(data);
+                pluginMaster.Sort((pm1, pm2) => pm1.Name.CompareTo(pm2.Name));
+
+                // Set the source for each remote manifest. Allows for checking if is 3rd party.
+                foreach (var manifest in pluginMaster)
+                {
+                    manifest.SourceRepo = this;
+                }
+
+                this.PluginMaster = pluginMaster.AsReadOnly();
+            }).ContinueWith(task =>
+            {
+                if (task.IsCompletedSuccessfully)
+                {
+                    Log.Debug($"Successfully fetched repo: {this.PluginMasterUrl}");
+                    this.State = PluginRepositoryState.Success;
+                }
+                else
+                {
+                    Log.Error(task.Exception, $"PluginMaster failed: {this.PluginMasterUrl}");
+                    this.State = PluginRepositoryState.Fail;
+                }
+            });
+        }
+    }
+}