optimize questRepository memory

utopia-gamification/src/main/kotlin/tw/waterballsa/utopia/utopiagamification/activity/listeners/JoinActivityListener.kt

@@ -15,7 +15,7 @@ import tw.waterballsa.utopia.utopiagamification.quest.extensions.toTaipeiLocalDa
 import tw.waterballsa.utopia.utopiagamification.quest.listeners.UtopiaGamificationListener
 import tw.waterballsa.utopia.utopiagamification.repositories.ActivityRepository
 import tw.waterballsa.utopia.utopiagamification.repositories.PlayerRepository
-import tw.waterballsa.utopia.utopiagamification.quest.service.PlayerFulfillMissionsService
+import tw.waterballsa.utopia.utopiagamification.quest.usecase.PlayerFulfillMissionsUsecase
 import java.time.LocalDateTime.now
 
 private val log = KotlinLogging.logger {}
@@ -24,7 +24,7 @@ private val log = KotlinLogging.logger {}
 class EventJoiningListener(
     guild: Guild,
     playerRepository: PlayerRepository,
-    private val playerFulfillMissionsService: PlayerFulfillMissionsService,
+    private val playerFulfillMissionsUsecase: PlayerFulfillMissionsUsecase,
     private val activityRepository: ActivityRepository
 ) : UtopiaGamificationListener(guild, playerRepository) {
 
@@ -42,7 +42,7 @@ class EventJoiningListener(
             channelLeft?.let {
                 val stayActivity = activityRepository.findAudienceStayActivity(it.id, player.id) ?: return@let
                 val action = stayActivity.leave(player) ?: return
-                playerFulfillMissionsService.execute(action, user.claimMissionRewardPresenter)
+                playerFulfillMissionsUsecase.execute(action, user.claimMissionRewardPresenter)
                 activityRepository.save(stayActivity)
             }
         }

utopia-gamification/src/main/kotlin/tw/waterballsa/utopia/utopiagamification/quest/domain/Mission.kt

@@ -32,11 +32,12 @@ class Mission(
         state = CLAIMED
     }
 
-    fun nextMission(): Mission? {
+    fun nextQuestId(): Int? {
         if (state == IN_PROGRESS) {
             return null
         }
-        return quest.nextQuest?.let { Mission(player, it) }
+
+        return quest.nextQuestId
     }
 }
 

utopia-gamification/src/main/kotlin/tw/waterballsa/utopia/utopiagamification/quest/domain/Quest.kt

@@ -1,16 +1,18 @@
 package tw.waterballsa.utopia.utopiagamification.quest.domain
 
+private const val completeMessage = "任務完成！"
+
 class Quest(
     val id: Int,
     val title: String,
     val description: String,
-    val preCondition: PreCondition,
-    val roleType: RoleType,
-    val periodType: PeriodType,
+    val preCondition: PreCondition = EmptyPreCondition(),
+    val roleType: RoleType = RoleType.EVERYONE,
+    val periodType: PeriodType = PeriodType.NONE,
     val criteria: Action.Criteria,
     val reward: Reward,
-    val nextQuest: Quest? = null,
-    val postMessage: String
+    val nextQuestId: Int? = null,
+    val postMessage: String = completeMessage
 )
 
 class Reward(