spring event 적용

Author: eastshine2741

core/src/main/kotlin/timetablelecturereminder/service/TimetableLectureReminderService.kt

@@ -7,8 +7,9 @@ import com.wafflestudio.snutt.common.util.SemesterUtils
 import com.wafflestudio.snutt.timetablelecturereminder.data.TimetableLectureReminder
 import com.wafflestudio.snutt.timetablelecturereminder.repository.TimetableLectureReminderRepository
 import com.wafflestudio.snutt.timetables.data.Timetable
-import com.wafflestudio.snutt.timetables.data.TimetableLecture
+import com.wafflestudio.snutt.timetables.event.data.TimetableLectureModifiedEvent
 import com.wafflestudio.snutt.timetables.repository.TimetableRepository
+import org.springframework.context.event.EventListener
 import org.springframework.stereotype.Service
 import java.time.Instant
 
@@ -27,8 +28,6 @@ interface TimetableLectureReminderService {
     ): TimetableLectureReminder
 
     suspend fun deleteReminder(timetableLectureId: String)
-
-    suspend fun updateScheduleIfNeeded(modifiedTimetableLecture: TimetableLecture)
 }
 
 @Service
@@ -86,7 +85,16 @@ class TimetableLectureReminderServiceImpl(
         timetableLectureReminderRepository.delete(reminder)
     }
 
-    override suspend fun updateScheduleIfNeeded(modifiedTimetableLecture: TimetableLecture) {
+    private fun validateTimetableSemester(timetable: Timetable) {
+        val (activeYear, activeSemester) = SemesterUtils.getCurrentOrNextYearAndSemester(Instant.now())
+        if (timetable.year < activeYear || (timetable.year == activeYear && timetable.semester < activeSemester)) {
+            throw PastSemesterException
+        }
+    }
+
+    @EventListener
+    suspend fun handleTimetableLectureModifiedEvent(event: TimetableLectureModifiedEvent) {
+        val modifiedTimetableLecture = event.timetableLecture
         val reminder =
             timetableLectureReminderRepository.findByTimetableLectureId(modifiedTimetableLecture.id)
                 ?: return
@@ -104,11 +112,4 @@ class TimetableLectureReminderServiceImpl(
             }
         timetableLectureReminderRepository.save(reminder.copy(schedules = newSchedules))
     }
-
-    private fun validateTimetableSemester(timetable: Timetable) {
-        val (activeYear, activeSemester) = SemesterUtils.getCurrentOrNextYearAndSemester(Instant.now())
-        if (timetable.year < activeYear || (timetable.year == activeYear && timetable.semester < activeSemester)) {
-            throw PastSemesterException
-        }
-    }
 }

core/src/main/kotlin/timetables/event/data/TimetableLectureModifiedEvent.kt

@@ -0,0 +1,7 @@
+package com.wafflestudio.snutt.timetables.event.data
+
+import com.wafflestudio.snutt.timetables.data.TimetableLecture
+
+data class TimetableLectureModifiedEvent(
+    val timetableLecture: TimetableLecture,
+)

core/src/main/kotlin/timetables/service/TimetableLectureService.kt

@@ -10,12 +10,13 @@ import com.wafflestudio.snutt.common.exception.WrongSemesterException
 import com.wafflestudio.snutt.lectures.repository.LectureRepository
 import com.wafflestudio.snutt.lectures.utils.ClassTimeUtils
 import com.wafflestudio.snutt.theme.service.TimetableThemeService
-import com.wafflestudio.snutt.timetablelecturereminder.service.TimetableLectureReminderService
 import com.wafflestudio.snutt.timetables.data.Timetable
 import com.wafflestudio.snutt.timetables.data.TimetableLecture
 import com.wafflestudio.snutt.timetables.dto.request.CustomTimetableLectureAddLegacyRequestDto
 import com.wafflestudio.snutt.timetables.dto.request.TimetableLectureModifyLegacyRequestDto
+import com.wafflestudio.snutt.timetables.event.data.TimetableLectureModifiedEvent
 import com.wafflestudio.snutt.timetables.repository.TimetableRepository
+import org.springframework.context.ApplicationEventPublisher
 import org.springframework.stereotype.Service
 
 interface TimetableLectureService {
@@ -58,9 +59,9 @@ interface TimetableLectureService {
 @Service
 class TimetableLectureServiceImpl(
     private val timetableThemeService: TimetableThemeService,
-    private val timetableLectureReminderService: TimetableLectureReminderService,
     private val timetableRepository: TimetableRepository,
     private val lectureRepository: LectureRepository,
+    private val eventPublisher: ApplicationEventPublisher,
 ) : TimetableLectureService {
     override suspend fun addLecture(
         userId: String,
@@ -116,8 +117,9 @@ class TimetableLectureServiceImpl(
             categoryPre2025 = originalLecture.categoryPre2025
         }
         resolveTimeConflict(timetable, timetableLecture, isForced)
-        timetableLectureReminderService.updateScheduleIfNeeded(timetableLecture)
-        return timetableRepository.updateTimetableLecture(timetableId, timetableLecture)
+        val updatedTimetable = timetableRepository.updateTimetableLecture(timetableId, timetableLecture)
+        eventPublisher.publishEvent(TimetableLectureModifiedEvent(timetableLecture))
+        return updatedTimetable
     }
 
     override suspend fun modifyTimetableLecture(
@@ -147,8 +149,9 @@ class TimetableLectureServiceImpl(
             categoryPre2025 = modifyTimetableLectureRequestDto.categoryPre2025 ?: categoryPre2025
         }
         resolveTimeConflict(timetable, timetableLecture, isForced)
-        timetableLectureReminderService.updateScheduleIfNeeded(timetableLecture)
-        return timetableRepository.updateTimetableLecture(timetableId, timetableLecture)
+        val updatedTimetable = timetableRepository.updateTimetableLecture(timetableId, timetableLecture)
+        eventPublisher.publishEvent(TimetableLectureModifiedEvent(timetableLecture))
+        return updatedTimetable
     }
 
     override suspend fun deleteTimetableLecture(