Merge pull request #9 from kw-notice/refactor/issue-8

fix : fix alarm controller

api-server-mvc/src/main/kotlin/com/knet/dormitory/web/alarm/dto/SendMessageRequest.kt

@@ -1,9 +1,13 @@
 package com.knet.dormitory.web.alarm.dto
 
 import com.knet.dormitory.domain.alarm.AlarmTopic
+import jakarta.validation.constraints.NotNull
 
 class SendMessageRequest(
+    @field:NotNull(message = "title is null")
     val title: String? = null,
+    @field:NotNull(message = "body is null")
     val body: String? = null,
+    @field:NotNull(message = "topic is null")
     val topic: AlarmTopic? = null
 )

api-server-mvc/src/main/kotlin/com/knet/dormitory/web/shared/exception/GlobalExceptionHandler.kt

@@ -0,0 +1,36 @@
+package com.knet.dormitory.web.shared.exception
+
+import com.knet.dormitory.web.shared.dto.ErrorResponse
+import org.springframework.http.HttpStatus
+import org.springframework.http.ResponseEntity
+import org.springframework.web.bind.MethodArgumentNotValidException
+import org.springframework.web.bind.annotation.ExceptionHandler
+import org.springframework.web.bind.annotation.RestControllerAdvice
+
+@RestControllerAdvice
+class GlobalExceptionHandler {
+
+    @ExceptionHandler(MethodArgumentNotValidException::class)
+    fun methodArgumentNotValidException(
+        exception: MethodArgumentNotValidException
+    ): ResponseEntity<ErrorResponse> = ResponseEntity
+        .status(HttpStatus.BAD_REQUEST)
+        .body(
+            ErrorResponse(
+                status = HttpStatus.BAD_REQUEST,
+                message = exception.bindingResult.allErrors[0].defaultMessage ?: ""
+            )
+        )
+
+    @ExceptionHandler(IllegalArgumentException::class)
+    fun illegalArgumentException(
+        exception: IllegalArgumentException
+    ): ResponseEntity<ErrorResponse> = ResponseEntity
+        .status(HttpStatus.BAD_REQUEST)
+        .body(
+            ErrorResponse(
+                status = HttpStatus.BAD_REQUEST,
+                message = exception.message ?: ""
+            )
+        )
+}