[Fix] Event 래핑 & 에러 포워딩 (#50)

* refactor: Server error를 그대로 포워딩

* refactor: Events 객체 컬랙션 래핑

src/main/kotlin/gdsc/plantory/common/exception/CommonExceptionHandler.kt

@@ -26,7 +26,7 @@ class CommonExceptionHandler {
     fun unHandleException(ex: Exception, request: HttpServletRequest): ResponseEntity<ErrorResponse> {
         log.error("서버 에러 발생! ${request.method} ${request.requestURI} ${ex.message}")
 
-        return ResponseEntity.internalServerError().body(ErrorResponse("서버 에러가 발생했습니다. 관리자에게 문의해주세요."))
+        return ResponseEntity.internalServerError().body(ErrorResponse(ex.message))
     }
 
     @ExceptionHandler

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

@@ -24,8 +24,8 @@ class WaterCycleEventListener(
 
     @TransactionalEventListener(phase = TransactionPhase.AFTER_COMMIT)
     @Async
-    fun sendFcmNotification(events: List<WaterCycleEvent>) {
-        val messages: List<Message> = createMessages(events, FCMChannel.WATER_ALERT.name)
+    fun sendFcmNotification(events: WaterCycleEvents) {
+        val messages: List<Message> = createMessages(events.plantsNeedWateredToday, FCMChannel.WATER_ALERT.name)
 
         try {
             firebaseMessaging.sendEach(messages)

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

@@ -0,0 +1,5 @@
+package gdsc.plantory.event.notification
+
+data class WaterCycleEvents(
+    val plantsNeedWateredToday: List<WaterCycleEvent>
+)

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

@@ -2,6 +2,7 @@ package gdsc.plantory.plant.service
 
 import gdsc.plantory.event.Events
 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.springframework.scheduling.annotation.Scheduled
@@ -18,7 +19,7 @@ class ReminderService(
     @Scheduled(cron = "0 0 8 * * *")
     fun sendWaterNotification() {
         val companionPlants = companionPlantRepository.findAllByNextWaterDate(LocalDate.now())
-        val events: List<WaterCycleEvent> = buildWaterCycleEvents(companionPlants)
+        val events = WaterCycleEvents(buildWaterCycleEvents(companionPlants))
         Events.raise(events)
     }