[O] Move const out, remove unused, fix typo

src/main/java/icu/samnyan/aqua/sega/maimai2/handler/GetGameRankingHandler.kt

@@ -1,11 +1,9 @@
 package icu.samnyan.aqua.sega.maimai2.handler
 
 import com.querydsl.jpa.impl.JPAQueryFactory
+import ext.logger
 import icu.samnyan.aqua.sega.general.BaseHandler
-import icu.samnyan.aqua.sega.maimai2.model.Mai2Repos
 import icu.samnyan.aqua.sega.maimai2.model.userdata.QMai2UserPlaylog
-import org.slf4j.Logger
-import org.slf4j.LoggerFactory
 import org.springframework.scheduling.annotation.Scheduled
 import org.springframework.stereotype.Component
 import java.time.LocalDateTime
@@ -17,7 +15,6 @@ import kotlin.concurrent.Volatile
  */
 @Component("Maimai2GetGameRankingHandler")
 class GetGameRankingHandler(
-    private val repos: Mai2Repos,
     private val queryFactory: JPAQueryFactory
 ) : BaseHandler {
     private data class MusicRankingItem(val musicId: Int, val weight: Long)
@@ -33,9 +30,6 @@ class GetGameRankingHandler(
 
     @Scheduled(fixedDelay = 3600_000)
     private fun refreshMusicRankingCache() {
-        val LOOK_BACK_DAYS: Long = 7
-        val QUREY_LIMIT: Long = 50
-
         // Get the play count of each music in the last N days
         val queryAfter = LocalDateTime.now().minusDays(LOOK_BACK_DAYS)
         val formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")
@@ -50,12 +44,11 @@ class GetGameRankingHandler(
             .where(qPlaylog.userPlayDate.stringValue().goe(queryAfterStr))
             .groupBy(cMusicId)
             .orderBy(cUserCount.desc())
-            .limit(QUREY_LIMIT)
+            .limit(QUERY_LIMIT)
             .fetch()
             .map { MusicRankingItem(it.get(cMusicId)!!, it.get(cUserCount)!!) }
-            .toList()
 
-        logger.info("Refreshed music ranking cache: ${musicRankingCache.size} items")
+        log.info("Refreshed music ranking cache: ${musicRankingCache.size} items")
     }
 
     override fun handle(request: Map<String, Any>): Any = mapOf(
@@ -67,6 +60,9 @@ class GetGameRankingHandler(
     )
 
     companion object {
-        val logger: Logger = LoggerFactory.getLogger(GetGameRankingHandler::class.java)
+        val log = logger()
+        
+        const val LOOK_BACK_DAYS: Long = 7
+        const val QUERY_LIMIT: Long = 50
     }
 }