create CMS error handling

internal/cms/service.go

@@ -2,6 +2,7 @@ package cms
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"tm/pkg/logger"
 	"tm/pkg/response"
@@ -90,6 +91,9 @@ func (s *cmsService) GetByID(ctx context.Context, id string) (*CMSResponse, erro
 
 	cms, err := s.repo.GetByID(ctx, id)
 	if err != nil {
+		if errors.Is(err, ErrCMSNotFound) {
+			return nil, ErrCMSNotFound
+		}
 		s.logger.Error("Failed to get CMS by ID", map[string]interface{}{
 			"id":    id,
 			"error": err.Error(),
@@ -108,6 +112,9 @@ func (s *cmsService) GetByKey(ctx context.Context, key string) (*CMSResponse, er
 
 	cms, err := s.repo.GetByKey(ctx, key)
 	if err != nil {
+		if errors.Is(err, ErrCMSNotFound) {
+			return nil, ErrCMSNotFound
+		}
 		s.logger.Error("Failed to get CMS by key", map[string]interface{}{
 			"key":   key,
 			"error": err.Error(),
@@ -128,6 +135,9 @@ func (s *cmsService) Update(ctx context.Context, id string, form *CMSForm) (*CMS
 	// Get existing CMS
 	cms, err := s.repo.GetByID(ctx, id)
 	if err != nil {
+		if errors.Is(err, ErrCMSNotFound) {
+			return nil, ErrCMSNotFound
+		}
 		s.logger.Error("Failed to get existing CMS for update", map[string]interface{}{
 			"id":    id,
 			"error": err.Error(),
@@ -175,6 +185,9 @@ func (s *cmsService) Delete(ctx context.Context, id string) error {
 	})
 
 	if err := s.repo.Delete(ctx, id); err != nil {
+		if errors.Is(err, ErrCMSNotFound) {
+			return ErrCMSNotFound
+		}
 		s.logger.Error("Failed to delete CMS", map[string]interface{}{
 			"id":    id,
 			"error": err.Error(),