internal static async Task LoadPluginsAsync()
{
_appLogArea.WriteLine("");
List <string> dlls = Directory.EnumerateFiles("Plugins").Where(f => Path.GetExtension(f) == ".dll").ToList();
dlls.Insert(0, Assembly.GetExecutingAssembly().Location);
foreach (string str in Config.AdditionalPluginDirectories)
{
dlls.AddRange(Directory.EnumerateFiles(str).Where(f => Path.GetExtension(f) == ".dll"));
}
_appLogArea.WriteLine($"{(Commands.Any() ? "Reloading" : "Loading")} {dlls.Count()} plugins...");
Commands.Clear();
AssemblyCommands.Clear();
ParseExtensions.Clear();
foreach (string dllPath in dlls)
{
try
{
Assembly assembly = Assembly.LoadFrom(dllPath);
if (assembly != null && assembly.DefinedTypes.Any(t => t.GetInterfaces()?.Contains(typeof(ICommandsAssembly)) == true))
{
Debug.WriteLine(dllPath);
_appLogArea.WriteLine($"Searching {Path.GetFileName(dllPath)} for commands.");
ICommandsAssembly asm = null;
List <DiscordCommand> asmCommands = new List <DiscordCommand>();
foreach (Type type in assembly.GetTypes())
{
if (type.GetInterfaces().Contains(typeof(ICommandsAssembly)))
{
asm = (ICommandsAssembly)Activator.CreateInstance(type);
}
if (type.GetInterfaces().Contains(typeof(IParseExtension)))
{
ParseExtensions.Add((IParseExtension)Activator.CreateInstance(type));
}
if (type.GetInterfaces().Contains(typeof(IParamConverter)))
{
Tools.RegisterPatameterParseExtension((IParamConverter)Activator.CreateInstance(type));
}
if (type.IsSubclassOf(typeof(DiscordCommand)) && !type.IsAbstract)
{
DiscordCommand command = InstantateDiscordCommand(type);
if (command != null)
{
asmCommands.Add(command);
}
}
}
if (asm == null)
{
_appLogArea.WriteLine($"Loaded {asmCommands.Count()} commands from {Path.GetFileName(dllPath)} without command assembly manifest. Categorised help will be unavailable for these commands.");
_appLogArea.WriteLine("Consider adding an \"ICommandAssembly\" class as soon as possible.");
}
else
{
if (asm is IBotStartup s)
{
await s.Startup(Client);
}
_appLogArea.WriteLine($"Loaded {asmCommands.Count()} plugins from {Path.GetFileName(dllPath)}!");
}
Commands.AddRange(asmCommands);
if (asm != null)
{
AssemblyCommands.Add(asm, asmCommands);
}
}
}
catch (Exception ex)
{
_appLogArea.WriteLine($"An {ex.GetType().Name} occured while loading from {Path.GetFileName(dllPath)}\n{ex.Message}");
}
}
_appLogArea.WriteLine("");
_appLogArea.WriteLine($"Plugins loaded!");
_appLogArea.WriteLine($"{Commands.Count} commands available: {string.Join(", ", Commands.Select(c => c.Name))}");
_appLogArea.WriteLine($"{ParseExtensions.Count} parse extensions available: {string.Join(", ", ParseExtensions.Select(c => c.Name))}");
_appLogArea.WriteLine("");
}
