[Feat] date region change to seoul #57 (#58)

* feat(PlantoryApplication): 서울로 시간 변경

* feat(ReminderService): 알림 테스트를 위해 5분 단위로 알림 전송하도록 구현

src/main/kotlin/gdsc/plantory/PlantoryApplication.kt

@@ -2,10 +2,19 @@ package gdsc.plantory
 
 import org.springframework.boot.autoconfigure.SpringBootApplication
 import org.springframework.boot.runApplication
+import org.springframework.scheduling.annotation.EnableScheduling
+import java.util.TimeZone
+import javax.annotation.PostConstruct
 
+@EnableScheduling
 @SpringBootApplication
 class PlantoryApplication
 
 fun main(args: Array<String>) {
     runApplication<PlantoryApplication>(*args)
+
+    @PostConstruct
+    fun setTimezone() {
+        TimeZone.setDefault(TimeZone.getTimeZone("Asia/Seoul"))
+    }
 }

src/main/kotlin/gdsc/plantory/event/notification/WaterCycleEventListener.kt

@@ -8,10 +8,9 @@ import com.google.firebase.messaging.Message
 import com.google.firebase.messaging.Notification
 import gdsc.plantory.event.FCMChannel
 import org.slf4j.LoggerFactory
+import org.springframework.context.event.EventListener
 import org.springframework.scheduling.annotation.Async
 import org.springframework.stereotype.Component
-import org.springframework.transaction.event.TransactionPhase
-import org.springframework.transaction.event.TransactionalEventListener
 
 @Component
 class WaterCycleEventListener(
@@ -22,12 +21,15 @@ class WaterCycleEventListener(
         private val log = LoggerFactory.getLogger(WaterCycleEventListener::class.java)
     }
 
-    @TransactionalEventListener(phase = TransactionPhase.AFTER_COMMIT)
     @Async
+    @EventListener
     fun sendFcmNotification(events: WaterCycleEvents) {
+        log.info("send FCM notification by WaterCycleEventListener")
         val messages: List<Message> = createMessages(events.plantsNeedWateredToday, FCMChannel.WATER_ALERT.name)
 
         try {
+            if (messages.isEmpty()) return
+
             firebaseMessaging.sendEach(messages)
         } catch (e: FirebaseMessagingException) {
             log.warn("fail send FCM message", e)

src/main/kotlin/gdsc/plantory/plant/service/ReminderService.kt

@@ -5,6 +5,7 @@ import gdsc.plantory.event.notification.WaterCycleEvent
 import gdsc.plantory.event.notification.WaterCycleEvents
 import gdsc.plantory.plant.domain.CompanionPlantRepository
 import gdsc.plantory.plant.presentation.dto.CompanionPlantWaterCycleDto
+import org.slf4j.LoggerFactory
 import org.springframework.scheduling.annotation.Scheduled
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
@@ -16,8 +17,13 @@ class ReminderService(
     private val companionPlantRepository: CompanionPlantRepository,
 ) {
 
-    @Scheduled(cron = "0 0 8 * * *")
+    companion object {
+        private val log = LoggerFactory.getLogger(this.javaClass)
+    }
+
+    @Scheduled(cron = "0 */5 * * * *")
     fun sendWaterNotification() {
+        log.info("물주기 알림을 전송합니다.");
         val companionPlants = companionPlantRepository.findAllByNextWaterDate(LocalDate.now())
         val events = WaterCycleEvents(buildWaterCycleEvents(companionPlants))
         Events.raise(events)