deal with tournament trolls

app/controllers/Tournament.scala

@@ -190,5 +190,9 @@ object Tournament extends LilaController {
   }
 
   private def chatOf(tour: lila.tournament.Tournament)(implicit ctx: Context) =
-    ctx.isAuth ?? (Env.chat.api.userChat find tour.id map (_.some))
+    ctx.isAuth ?? {
+      Env.chat.api.userChat find tour.id map { chat ⇒
+        ctx.troll.fold(chat, chat.filterTroll).some
+      }
+    }
 }

modules/chat/src/main/Chat.scala

@@ -4,6 +4,8 @@ sealed trait AnyChat {
   def id: ChatId
   def lines: List[Line]
 
+  def filterTroll: AnyChat
+
   def toJsonString = Line toJsonString lines
 }
 
@@ -15,11 +17,18 @@ sealed trait Chat[L <: Line] extends AnyChat {
 case class UserChat(
     id: ChatId,
     lines: List[UserLine]) extends Chat[UserLine] {
+
+  def filterTroll = copy(lines = lines filterNot (_.troll))
 }
 
 case class MixedChat(
     id: ChatId,
     lines: List[Line]) extends Chat[Line] {
+
+  def filterTroll = copy(lines = lines filter {
+    case l: UserLine   ⇒ !l.troll
+    case l: PlayerLine ⇒ true
+  })
 }
 
 object Chat {

modules/socket/src/main/Historical.scala

@@ -12,7 +12,7 @@ trait Historical[M <: SocketMember] { self: SocketActor[M] ⇒
   }
 
   def sendMessage(message: History.Message)(member: M) {
-    if (!message.troll || member.troll) member.channel push message.msg.pp
+    if (!message.troll || member.troll) member.channel push message.msg
   }
   def sendMessage(member: M)(message: History.Message) {
     sendMessage(message)(member)