♻️ :: 예외처리

src/main/kotlin/com/example/sharing/domain/feed/service/QueryFeedByInterestAreaService.kt

@@ -2,6 +2,7 @@ package com.example.sharing.domain.feed.service
 
 import com.example.sharing.domain.feed.domain.repository.FeedRepository
 import com.example.sharing.domain.feed.presentation.dto.response.FeedElement
+import com.example.sharing.domain.user.exception.UserInterestAreaNotFoundException
 import com.example.sharing.domain.user.facade.UserFacade
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
@@ -14,6 +15,6 @@ class QueryFeedByInterestAreaService(
     @Transactional(readOnly = true)
     fun execute(): List<FeedElement> {
         val user = userFacade.getCurrentUser()
-        return feedRepository.findAllByAddressNameContaining(user.interestArea!!)
+        return feedRepository.findAllByAddressNameContaining(user.interestArea?: throw UserInterestAreaNotFoundException.EXCEPTION)
     }
 }

src/main/kotlin/com/example/sharing/domain/user/exception/UserInterestAreaNotFoundException.kt

@@ -0,0 +1,11 @@
+package com.example.sharing.domain.user.exception
+
+import com.example.sharing.global.error.exception.ErrorCode.*
+import com.example.sharing.global.error.exception.SharingException
+
+class UserInterestAreaNotFoundException: SharingException(USER_INTEREST_AREA_NOT_FOUND) {
+    companion object {
+        @JvmField
+        val EXCEPTION = UserInterestAreaNotFoundException()
+    }
+}

src/main/kotlin/com/example/sharing/global/error/exception/ErrorCode.kt

@@ -16,6 +16,7 @@ enum class ErrorCode(
 
     USER_NOT_FOUND(404, "User Not Found"),
     FEED_NOT_FOUND(404, "Feed Not Found"),
+    USER_INTEREST_AREA_NOT_FOUND(404, "User Interest Area Not Found"),
 
     ALREADY_ACCOUNT_ID_EXISTS(409, "Already Account Id Exists"),