Revert "don't cache tournaments"

This reverts commit 4c1bacb0ae.

app/controllers/Lobby.scala

@@ -29,7 +29,7 @@ object Lobby extends LilaController {
   def renderHome[A](status: Results.Status)(implicit ctx: Context): Fu[SimpleResult] =
     Env.current.preloader(
       posts = Env.forum.recent(ctx.me, Env.team.cached.teamIds.apply),
-      tours = TournamentRepo.allCreatedSorted,
+      tours = Env.tournament.allCreatedSorted(true),
       filter = Env.setup.filter
     ).map(_.fold(Redirect(_), {
         case (preload, entries, posts, tours, featured, leaderboard, progress, puzzle) =>

app/controllers/Tournament.scala

@@ -40,7 +40,7 @@ object Tournament extends LilaController {
   }
 
   private def fetchTournaments =
-    repo.allCreatedSorted zip repo.started zip repo.finished(20)
+    env allCreatedSorted true zip repo.started zip repo.finished(20)
 
   def show(id: String) = Open { implicit ctx =>
     repo byId id flatMap {

modules/tournament/src/main/Env.scala

@@ -25,6 +25,7 @@ final class Env(
   private val settings = new {
     val CollectionTournament = config getString "collection.tournament"
     val MessageTtl = config duration "message.ttl"
+    val CreatedCacheTtl = config duration "created.cache.ttl"
     val UidTimeout = config duration "uid.timeout"
     val SocketTimeout = config duration "socket.timeout"
     val SocketName = config getString "socket.name"
@@ -75,6 +76,9 @@ final class Env(
   def version(tourId: String): Fu[Int] =
     socketHub ? Ask(tourId, GetVersion) mapTo manifest[Int]
 
+  val allCreatedSorted =
+    lila.memo.AsyncCache.single(TournamentRepo.allCreatedSorted, timeToLive = CreatedCacheTtl)
+
   def cli = new lila.common.Cli {
     import tube.tournamentTube
     def process = {
@@ -95,7 +99,7 @@ final class Env(
       organizer -> actorApi.StartedTournaments
     }
 
-    scheduler.message(1 minute) {
+    scheduler.message(5 minutes) {
       tournamentScheduler -> actorApi.ScheduleNow
     }
     tournamentScheduler ! actorApi.ScheduleNow