changes

src/main/java/com/example/nto/exception/handler/GlobalExceptionHandler.java

@@ -0,0 +1,29 @@
+package com.example.nto.exception.handler;
+
+import com.example.nto.exception.CodeIsNotExistException;
+import com.example.nto.exception.PlaceAlreadyBookedException;
+import com.example.nto.exception.UnknownException;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+
+@ControllerAdvice
+public class GlobalExceptionHandler {
+
+    @ExceptionHandler(CodeIsNotExistException.class)
+    public ResponseEntity<String> handlerCodeIsNotFoundException(CodeIsNotExistException e){
+        return new ResponseEntity<>(e.getMessage(), HttpStatus.valueOf(401));
+    }
+
+    @ExceptionHandler(UnknownException.class)
+    public ResponseEntity<String> handlerUnknownException(UnknownException e){
+        return new ResponseEntity<>(e.getMessage(), HttpStatus.valueOf(400));
+    }
+
+    @ExceptionHandler(PlaceAlreadyBookedException.class)
+    public ResponseEntity<String> handlerPlaceAlreadyBookedException(UnknownException e){
+        return new ResponseEntity<>(e.getMessage(), HttpStatus.valueOf(409));
+    }
+
+}