// Note, the 'isStatic' flag is only temporary while StaticPlugins are being
// deprecated, after that this distinction is not necessary anymore and
// can be removed.
public PluginObjects CreatePluginObjects(IInjector injector, bool isStatic)
{
object pluginInstance = null;
if (!isStatic)
{
if (!injector.TryCreate(pluginType, out pluginInstance))
{
return(null); // TODO
}
injector.FillProperties(pluginInstance);
}
if (!injector.TryGet <CommandManager>(out var commandManager))
{
return(null); //TODO
}
var pluginObjs = new PluginObjects
{
Plugin = (ITabPlugin)pluginInstance,
Bag = new PluginCommandBag(pluginInstance, pluginType),
CommandManager = commandManager,
};
pluginObjs.CommandManager.RegisterCollection(pluginObjs.Bag);
return(pluginObjs);
}
/// <summary>
/// Stops the plugin and removes all its functionality available in the bot.
/// Changes the status from <see cref="PluginStatus.Active"/> to <see cref="PluginStatus.Ready"/> when successful or <see cref="PluginStatus.Error"/> otherwise.
/// </summary>
/// <param name="bot">The bot instance where this plugin should be stopped. Can be null when not required.</param>
public PluginResponse Stop(Bot bot)
{
switch (Type)
{
case PluginType.None:
break;
case PluginType.BotPlugin:
if (bot is null)
{
foreach (var pluginObjs in botPluginList.Values)
{
DestroyPluginObjects(pluginObjs);
}
botPluginList.Clear();
}
else
{
if (botPluginList.TryGetValue(bot, out var pluginObjs))
{
botPluginList.Remove(bot);
DestroyPluginObjects(pluginObjs);
}
}
break;
case PluginType.CorePlugin:
if (corePlugin != null)
{
BotManager.IterateAll(b =>
{
if (b.Injector.TryGet <CommandManager>(out var commandManager))
{
commandManager.UnregisterCollection(corePlugin.Bag);
}
});
DestroyPluginObjects(corePlugin);
corePlugin = null;
}
break;
case PluginType.Factory:
ResourceResolver.RemoveResolver(factoryObject);
break;
case PluginType.Commands:
if (corePlugin != null)
{
DestroyPluginObjects(corePlugin);
}
break;
default:
throw Tools.UnhandledDefault(Type);
}
status = PluginStatus.Ready;
return(PluginResponse.Ok);
}
public Plugin(FileInfo file, int id)
{
corePlugin = null;
File = file;
Id = id;
status = PluginStatus.Off;
Type = PluginType.None;
}
private void DestroyPluginObjects(PluginObjects pluginObjs)
{
pluginObjs.CommandManager.UnregisterCollection(pluginObjs.Bag);
try
{
pluginObjs.Plugin?.Dispose();
}
catch (Exception ex)
{
Log.Warn(ex, "Plugin '{0}' threw an exception while disposing", Name);
}
}
private bool StartInternal(Bot bot)
{
if (CheckStatus(bot) != PluginStatus.Ready)
{
throw new InvalidOperationException("This plugin has not yet been prepared");
}
try
{
switch (Type)
{
case PluginType.None:
throw new InvalidOperationException("A 'None' plugin cannot be loaded");
case PluginType.BotPlugin:
if (bot is null)
{
Log.Error("This plugin needs to be activated on a bot instance.");
status = PluginStatus.Error;
return(false);
}
if (botPluginList.ContainsKey(bot))
{
throw new InvalidOperationException("Plugin is already instantiated on this bot");
}
var botPluginObjs = CreatePluginObjects(bot.Injector, false);
botPluginList.Add(bot, botPluginObjs);
botPluginObjs.Plugin.Initialize();
break;
case PluginType.CorePlugin:
corePlugin = CreatePluginObjects(CoreInjector, false);
BotManager.IterateAll(b =>
{
try
{
if (b.Injector.TryGet <CommandManager>(out var commandManager))
{
commandManager.RegisterCollection(corePlugin.Bag);
}
}
catch (Exception ex) { Log.Error(ex, "Faile to register commands from plugin '{0}' for bot '{1}'", Name, b.Id); }
});
corePlugin.Plugin.Initialize();
break;
case PluginType.Factory:
factoryObject = (IResolver)Activator.CreateInstance(pluginType);
ResourceResolver.AddResolver(factoryObject);
break;
case PluginType.Commands:
corePlugin = CreatePluginObjects(CoreInjector, true);
break;
default:
throw Tools.UnhandledDefault(Type);
}
}
catch (Exception ex)
{
if (ex is MissingMethodException)
{
Log.Error(ex, "Factories needs a parameterless constructor.");
}
else
{
Log.Error(ex, "Plugin '{0}' failed to load: {1}.", Name, ex.Message);
}
Stop(bot);
if (Type != PluginType.BotPlugin)
{
status = PluginStatus.Error;
}
return(false);
}
if (Type != PluginType.BotPlugin)
{
status = PluginStatus.Active;
}
return(true);
}
