Add PluginManager

src/main/scala/org/congressodeiradicali/karlmarx/Bot.scala

@@ -51,7 +51,7 @@ class Bot(val token: String) extends TelegramBot
     } { _ => false }
   }
 
-  var plugins: List[Plugin] = List[Plugin]()
+  var plugins: List[Plugin] = List[Plugin](new PluginManagerPlugin(localizer, this))
 
   def runAgainst(handlerPair: Plugin#HandlerPair, botUser: Option[User], cmd: Command): Boolean = {
     handlerPair._1

src/main/scala/org/congressodeiradicali/karlmarx/PluginManagerPlugin.scala

@@ -0,0 +1,20 @@
+package org.congressodeiradicali.karlmarx
+
+import com.bot4s.telegram.api.declarative.{CommandFilterMagnet, CommandImplicits}
+
+import scala.concurrent.{ExecutionContext, Future}
+
+class PluginManagerPlugin(localizer: Localizer, bot: Bot) extends Plugin with CommandImplicits {
+  override var handlers: Map[CommandFilterMagnet, Handler] = Map {
+    stringToCommandFilter("enable") -> { msg =>
+      val response = msg.text.map {
+        case "echo" => Some(new EchoPlugin(localizer, bot))
+        case "ban" => Some(new BanPlugin(localizer, bot))
+        case _ => None
+      }.map {
+        case Some(plugin) => bot.plugins :+= plugin; "Added."
+      }
+      Future { response }(ExecutionContext.global)
+    }
+  }
+}