configurable ublog rank factor

app/controllers/Dev.scala

@@ -20,6 +20,7 @@ final class Dev(env: Env) extends LilaController(env) {
     env.rating.ratingFactorsSetting,
     env.plan.donationGoalSetting,
     env.plan.paymentMethodsSetting,
+    env.ublog.rankFactorSetting,
     env.apiTimelineSetting,
     env.noDelaySecretSetting,
     env.featuredTeamsSetting,

modules/ublog/src/main/Env.scala

@@ -2,6 +2,7 @@ package lila.ublog
 
 import com.github.blemale.scaffeine.AsyncLoadingCache
 import com.softwaremill.macwire._
+import com.softwaremill.tagging._
 import scala.concurrent.duration._
 
 import lila.common.config._
@@ -17,6 +18,7 @@ final class Env(
     relationApi: lila.relation.RelationApi,
     captcher: lila.hub.actors.Captcher,
     cacheApi: lila.memo.CacheApi,
+    settingStore: lila.memo.SettingStore.Builder,
     net: NetConfig
 )(implicit
     ec: scala.concurrent.ExecutionContext
@@ -26,6 +28,12 @@ final class Env(
 
   private val colls = new UblogColls(db(CollName("ublog_blog")), db(CollName("ublog_post")))
 
+  val rankFactorSetting = settingStore[Int](
+    "ublogRankFactor",
+    default = 5,
+    text = "Ublog rank factor".some
+  ).taggedWith[UblogRankFactor]
+
   val topic = wire[UblogTopicApi]
 
   val rank = wire[UblogRank]
@@ -53,3 +61,4 @@ final class Env(
 }
 
 final private class UblogColls(val blog: Coll, val post: Coll)
+trait UblogRankFactor

modules/ublog/src/main/UblogRank.scala

@@ -1,6 +1,8 @@
 package lila.ublog
 
+
 import cats.implicits._
+import com.softwaremill.tagging._
 import org.joda.time.DateTime
 import play.api.i18n.Lang
 import reactivemongo.api._
@@ -8,9 +10,14 @@ import scala.concurrent.ExecutionContext
 
 import lila.db.dsl._
 import lila.hub.actorApi.timeline.{ Propagate, UblogPostLike }
+import lila.memo.SettingStore
 import lila.user.User
 
-final class UblogRank(colls: UblogColls, timeline: lila.hub.actors.Timeline)(implicit ec: ExecutionContext) {
+final class UblogRank(
+    colls: UblogColls,
+    timeline: lila.hub.actors.Timeline,
+    factor: SettingStore[Int] @@ UblogRankFactor
+)(implicit ec: ExecutionContext) {
 
   import UblogBsonHandlers._
 
@@ -112,7 +119,7 @@ final class UblogRank(colls: UblogColls, timeline: lila.hub.actors.Timeline)(imp
       val tierLikes = likes.value + ((tier - 2) * 5).atLeast(0) // initial boost
       val likeHours =
         if (tierLikes < 1) 0
-        else (5 * math.log(tierLikes) + 1).toInt.atMost(tierLikes) * 5
+        else (5 * math.log(tierLikes) + 1).toInt.atMost(tierLikes) * factor.get()
       val topicsMultiplier = topics.count(t => UblogTopic.chessExists(t.value)) match {
         case 0 => 0.3
         case 1 => 1