refactor: Change to refer directly to redis QUZ-109

Author: NaMinhyeok

game-service/game-domain/src/main/kotlin/com/grepp/quizy/game/domain/game/GameVO.kt

@@ -164,7 +164,7 @@ data class Players(
         if (players.size >= 5) {
             throw GameException.GameAlreadyFullException
         }
-        if (players.contains(player)) {
+        if (players.any { it.user.id == player.user.id }) {
             throw GameException.GameAlreadyParticipatedException
         }
         return Players(players + player)

game-service/game-infra/src/main/kotlin/com/grepp/quizy/game/infra/game/repository/GameRepositoryAdapter.kt

@@ -3,12 +3,15 @@ package com.grepp.quizy.game.infra.game.repository
 import com.grepp.quizy.game.domain.game.Game
 import com.grepp.quizy.game.domain.game.GameRepository
 import com.grepp.quizy.game.infra.game.entity.GameRedisEntity
+import org.springframework.data.redis.core.RedisTemplate
+import org.springframework.data.redis.core.ScanOptions
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Repository
 
 @Repository
 class GameRepositoryAdapter(
     private val gameRedisRepository: GameRedisRepository,
+    private val redisTemplate: RedisTemplate<String,String>
 ) : GameRepository {
 
     override fun save(game: Game): Game {
@@ -22,7 +25,26 @@ class GameRepositoryAdapter(
     }
 
     override fun findByInviteCode(code: String): Game? {
-        return gameRedisRepository.findTopByInviteCode(code)?.toDomain()
+        val scanner = redisTemplate.connectionFactory
+            .connection
+            .scan(
+                ScanOptions.scanOptions()
+                .match("game:*")
+                .count(100)
+                .build())
+
+        while(scanner.hasNext()) {
+            val key = String(scanner.next())
+            val inviteCode = redisTemplate.opsForHash<String, String>()
+                .get(key, "inviteCode")
+
+            if(inviteCode == code) {
+                return gameRedisRepository.findByIdOrNull(key.split(":")[1].toLong())
+                    ?.toDomain()
+            }
+        }
+        return null
+
     }
 
 }