also remove pgn docs when removing games

app/core/CoreEnv.scala

@@ -159,6 +159,7 @@ final class CoreEnv private (application: Application, val settings: Settings) {
 
   lazy val titivate = new lila.core.Titivate(
     gameRepo = game.gameRepo,
+    pgnRepo = game.pgnRepo,
     finisher = round.finisher,
     meddler = round.meddler,
     bookmarkApi = bookmark.api)

app/core/Titivate.scala

@@ -1,7 +1,7 @@
 package lila
 package core
 
-import game.GameRepo
+import game.{ GameRepo, PgnRepo }
 import round.{ Finisher, Meddler }
 import bookmark.BookmarkApi
 
@@ -12,6 +12,7 @@ import scalaz.effects._
 
 final class Titivate(
     gameRepo: GameRepo,
+    pgnRepo: PgnRepo,
     finisher: Finisher,
     meddler: Meddler,
     bookmarkApi: BookmarkApi) {
@@ -33,6 +34,7 @@ final class Titivate(
     _ ← putStrLn("[titivate] Remove %d unplayed games" format ids.size)
     _ ← gameRepo removeIds ids
     _ ← bookmarkApi removeByGameIds ids
+    _ ← pgnRepo removeIds ids
   } yield ()
 
   val cleanupNext: IO[Unit] = {

app/game/GameRepo.scala

@@ -145,11 +145,12 @@ final class GameRepo(collection: MongoCollection)
     )
   }
 
-  // bookmarks should also be removed
+  // bookmarks and pgns should also be removed
   def remove(id: String): IO[Unit] = io {
     remove(idSelector(id))
   }
 
+  // bookmarks and pgns should also be removed
   def removeIds(ids: List[String]): IO[Unit] = io {
     remove("_id" $in ids)
   }

app/game/PgnRepo.scala

@@ -25,5 +25,9 @@ final class PgnRepo(collection: MongoCollection) {
   def unsafeGet(id: String): String = 
     collection.findOne(idSelector(id)).flatMap(_.getAs[String]("p")) | ""
 
+  def removeIds(ids: List[String]): IO[Unit] = io {
+    collection.remove("_id" $in ids)
+  }
+
   private def idSelector(id: String) = DBObject("_id" -> id)
 }