🎨 [demo-app, common-util] Global Exception Handler 설정 추가

server/demo-app/src/main/kotlin/me/jiniworld/demohx/config/exception/GlobalExceptionHandler.kt

@@ -0,0 +1,28 @@
+package me.jiniworld.demohx.config.exception
+
+import me.jiniworld.demohx.model.BaseResponse
+import me.jiniworld.demohx.model.ServerException
+import mu.KotlinLogging
+import org.springframework.http.ResponseEntity
+import org.springframework.web.bind.annotation.ExceptionHandler
+import org.springframework.web.bind.annotation.RestControllerAdvice
+import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler
+
+@RestControllerAdvice
+internal class GlobalExceptionHandler: ResponseEntityExceptionHandler() {
+    private val logging = KotlinLogging.logger {}
+
+    @ExceptionHandler(ServerException::class)
+    fun handleServerException(ex: ServerException): ResponseEntity<BaseResponse> {
+        logging.error { ex.message }
+        return ResponseEntity.status(ex.code)
+            .body(BaseResponse(result = "fail", reason = ex.message))
+    }
+
+    @ExceptionHandler(Exception::class)
+    fun handleException(ex: Exception): ResponseEntity<BaseResponse> {
+        logging.error { ex.message }
+        return ResponseEntity.internalServerError()
+            .body(BaseResponse(result = "fail", reason = "Internal Server Error"))
+    }
+}

server/demo-app/src/main/kotlin/me/jiniworld/demohx/web/notice/GetNoticeController.kt

@@ -5,6 +5,11 @@ import io.swagger.v3.oas.annotations.tags.Tag
 import me.jiniworld.demohx.annotation.WebAdapter
 import me.jiniworld.demohx.application.notice.port.input.GetNoticeQuery
 import me.jiniworld.demohx.application.notice.port.input.GetNoticesCommand
+import me.jiniworld.demohx.model.BaseResponse
+import me.jiniworld.demohx.model.DataResponse
+import me.jiniworld.demohx.model.NotFoundException
+import me.jiniworld.demohx.model.ServerException
+import org.springframework.http.ResponseEntity
 import org.springframework.web.bind.annotation.*
 
 @WebAdapter
@@ -21,10 +26,14 @@ internal class GetNoticeController(
         @RequestParam(value = "page", required = false, defaultValue = "0") page: Int,
         @RequestParam(value = "size", required = false, defaultValue = "10") size: Int,
     ) = getNoticeQuery.getNoticeSimple(GetNoticesCommand(page = page, size = size))
+        ?.let { DataResponse(data = it) }
+        ?: throw NotFoundException("공지사항이 없습니다.")
 
     @Operation(summary = "공지사항 상세조회")
     @GetMapping("/{notice_id}")
-    fun notice(@PathVariable("notice_id") noticeId: Long) =
-        getNoticeQuery.getNoticeDetail(noticeId)
+    fun notice(@PathVariable("notice_id") noticeId: Long,
+    ) = getNoticeQuery.getNoticeDetail(noticeId)
+        ?.let { DataResponse(data = it) }
+        ?: throw NotFoundException("조회되는 공지사항이 없습니다.")
 
 }

util/common-util/src/main/kotlin/me/jiniworld/demohx/model/ServerException.kt

@@ -0,0 +1,14 @@
+package me.jiniworld.demohx.model
+
+sealed class ServerException(
+    val code: Int,
+    override val message: String
+): RuntimeException(message)
+
+data class NotFoundException(
+    override val message: String,
+): ServerException(404, message)
+
+data class UnauthorizedException(
+    override val message: String = "access_token 이 유효하지 않습니다.",
+): ServerException(401, message)