simul hosts get 10,000 homepage impressions a day

app/views/lobby/home.scala

@@ -102,7 +102,7 @@ object home {
             events.map(bits.spotlight),
             !ctx.isBot option frag(
               lila.tournament.Spotlight.select(tours, ctx.me, 3 - events.size) map { views.html.tournament.homepageSpotlight(_) },
-              simuls.find(_.spotlightable).headOption map views.html.simul.bits.homepageSpotlight
+              simuls.find(_.spotlightable).filter(lila.simul.Env.current.featurable).headOption map views.html.simul.bits.homepageSpotlight
             )
           ),
           ctx.me map { u =>

conf/base.conf

@@ -449,6 +449,7 @@ simul {
   created.cache.ttl = 2 seconds
   history.message.ttl = 20 seconds
   uid.timeout = 7 seconds # small to avoid missed events
+  feature.views = 10000 # max frontpage views of simul per host per day
 }
 forum {
   topic.max_per_page = 10

modules/memo/src/main/RateLimit.scala

@@ -13,7 +13,8 @@ final class RateLimit[K](
     duration: Duration,
     name: String,
     key: String,
-    enforce: Boolean = true
+    enforce: Boolean = true,
+    log: Boolean = true
 ) {
   import RateLimit._
 
@@ -43,7 +44,7 @@ final class RateLimit[K](
         storage.put(k, cost -> makeClearAt)
         op
       case _ if enforce =>
-        logger.info(s"$name ($credits/$duration) $k cost: $cost $msg")
+        if (log) logger.info(s"$name ($credits/$duration) $k cost: $cost $msg")
         monitor()
         default.zero
       case _ =>

modules/simul/src/main/Env.scala

@@ -20,15 +20,13 @@ final class Env(
     asyncCache: lila.memo.AsyncCache.Builder
 ) {
 
-  private val settings = new {
-    val CollectionSimul = config getString "collection.simul"
-    val SequencerTimeout = config duration "sequencer.timeout"
-    val CreatedCacheTtl = config duration "created.cache.ttl"
-    val HistoryMessageTtl = config duration "history.message.ttl"
-    val UidTimeout = config duration "uid.timeout"
-    val SocketTimeout = config duration "socket.timeout"
-  }
-  import settings._
+  private val CollectionSimul = config getString "collection.simul"
+  private val SequencerTimeout = config duration "sequencer.timeout"
+  private val CreatedCacheTtl = config duration "created.cache.ttl"
+  private val HistoryMessageTtl = config duration "history.message.ttl"
+  private val UidTimeout = config duration "uid.timeout"
+  private val SocketTimeout = config duration "socket.timeout"
+  private val FeatureViews = config getInt "feature.views"
 
   lazy val repo = new SimulRepo(
     simulColl = simulColl
@@ -110,6 +108,16 @@ final class Env(
     expireAfter = _.ExpireAfterWrite(CreatedCacheTtl)
   )
 
+  def featurable(simul: Simul): Boolean = featureLimiter(simul.hostId)(true)
+
+  private val featureLimiter = new lila.memo.RateLimit[lila.user.User.ID](
+    credits = FeatureViews,
+    duration = 24 hours,
+    name = "simul homepage views",
+    key = "simul.feature",
+    log = false
+  )
+
   def version(simulId: String): Fu[SocketVersion] =
     socketMap.askIfPresentOrZero[SocketVersion](simulId)(GetVersion)
 

modules/simul/src/main/Simul.scala

@@ -125,9 +125,8 @@ case class Simul(
   private def Created(s: => Simul): Simul = if (isCreated) s else this
 
   def spotlightable =
-    isCreated &&
-      (hostRating >= 2400 || hostTitle.isDefined) &&
-      !Simul.abusiveHosts(hostId) &&
+    (hostRating >= 2400 || hostTitle.isDefined) &&
+      isCreated &&
       applicants.size < 80
 
   def wins = pairings.count(p => p.finished && p.wins.has(false))
@@ -181,6 +180,4 @@ object Simul {
     text = text,
     team = team
   )
-
-  private val abusiveHosts = Set("lance5500")
 }