refactor error handling

Author: while1618

backend/spring-boot/src/main/java/org/bugzkit/api/shared/config/SecurityConfig.java

@@ -6,7 +6,7 @@
 import org.bugzkit.api.auth.security.JWTFilter;
 import org.bugzkit.api.auth.security.UserDetailsServiceImpl;
 import org.bugzkit.api.shared.constants.Path;
-import org.bugzkit.api.shared.error.handling.CustomAuthenticationEntryPoint;
+import org.bugzkit.api.shared.error.CustomAuthenticationEntryPoint;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.http.HttpMethod;

…ling/CustomAuthenticationEntryPoint.java …rror/CustomAuthenticationEntryPoint.javabackend/spring-boot/src/main/java/org/bugzkit/api/shared/error/handling/CustomAuthenticationEntryPoint.java renamed to backend/spring-boot/src/main/java/org/bugzkit/api/shared/error/CustomAuthenticationEntryPoint.java backend/spring-boot/src/main/java/org/bugzkit/api/shared/error/handling/CustomAuthenticationEntryPoint.java renamed to backend/spring-boot/src/main/java/org/bugzkit/api/shared/error/CustomAuthenticationEntryPoint.java

@@ -1,12 +1,11 @@
-package org.bugzkit.api.shared.error.handling;
+package org.bugzkit.api.shared.error;
 
 import com.google.common.net.HttpHeaders;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.util.UUID;
 import lombok.extern.slf4j.Slf4j;
-import org.bugzkit.api.shared.error.ErrorMessage;
 import org.bugzkit.api.shared.message.service.MessageService;
 import org.slf4j.MDC;
 import org.springframework.http.HttpStatus;

…ror/handling/CustomExceptionHandler.java …shared/error/GlobalExceptionHandler.javabackend/spring-boot/src/main/java/org/bugzkit/api/shared/error/handling/CustomExceptionHandler.java renamed to backend/spring-boot/src/main/java/org/bugzkit/api/shared/error/GlobalExceptionHandler.java backend/spring-boot/src/main/java/org/bugzkit/api/shared/error/handling/CustomExceptionHandler.java renamed to backend/spring-boot/src/main/java/org/bugzkit/api/shared/error/GlobalExceptionHandler.java

@@ -1,8 +1,7 @@
-package org.bugzkit.api.shared.error.handling;
+package org.bugzkit.api.shared.error;
 
 import jakarta.annotation.Nonnull;
 import lombok.extern.slf4j.Slf4j;
-import org.bugzkit.api.shared.error.ErrorMessage;
 import org.bugzkit.api.shared.error.exception.BadRequestException;
 import org.bugzkit.api.shared.error.exception.ConflictException;
 import org.bugzkit.api.shared.error.exception.ResourceNotFoundException;
@@ -30,10 +29,10 @@
 
 @Slf4j
 @ControllerAdvice
-public class CustomExceptionHandler extends ResponseEntityExceptionHandler {
+public class GlobalExceptionHandler extends ResponseEntityExceptionHandler {
   private final MessageService messageService;
 
-  public CustomExceptionHandler(MessageService messageService) {
+  public GlobalExceptionHandler(MessageService messageService) {
     this.messageService = messageService;
   }
 

docs/src/content/how-it-works/error-handling.mdx

@@ -44,7 +44,7 @@ These constants are what get sent to the frontend.
 
 #### Exception Handler
 
-`CustomExceptionHandler` is a `@ControllerAdvice` that catches all exceptions and converts them into a consistent response format:
+`GlobalExceptionHandler` is a `@ControllerAdvice` that catches all exceptions and converts them into a consistent response format:
 
 ```json
 {