renamed enum classes

backend/src/main/java/com/vaessl/app/exception/ErrorMessage.java

@@ -2,25 +2,34 @@ package com.vaessl.app.exception;
 
 import org.springframework.http.HttpStatus;
 
-import lombok.Getter;
+import com.fasterxml.jackson.annotation.JsonValue;
 
-@Getter
-public enum ErrorMessages {
+public enum ErrorMessage {
     BAD_REQUEST_EMPTY_FIELDS(HttpStatus.BAD_REQUEST, "Fields must not be empty."), UNAUTHORIZED_WRONG_LOGIN(
             HttpStatus.UNAUTHORIZED, "Invalid username or password."), SERVICE_UNAVAILABLE_UNREACHABLE_URL(
                     HttpStatus.SERVICE_UNAVAILABLE, "The target URL is unreachable."), SERVER_ERROR_GENERAL(
-                            "The external app returned a server error: ");
+                            "The external app returned a server error: "), WRONG_SERVICE_TYPE(HttpStatus.BAD_REQUEST,
+                                    "No such service type.");
 
     private final HttpStatus status;
     private final String message;
 
-    ErrorMessages(HttpStatus status, String message) {
+    private ErrorMessage(HttpStatus status, String message) {
         this.status = status;
         this.message = message;
     }
 
-    ErrorMessages(String message) {
+    private ErrorMessage(String message) {
         this.status = null;
         this.message = message;
     }
+
+    public HttpStatus getStatus() {
+        return status;
+    }
+
+    @JsonValue
+    public String getMessage() {
+        return message;
+    }
 }