feat: increased security

internal/services/links.go

@@ -1,6 +1,7 @@
 package services
 
 import (
+	"fmt"
 	"math/rand"
 
 	"example.com/m/internal/repositories"
@@ -12,17 +13,23 @@ type LinksService struct {
 	sqid *sqids.Sqids
 }
 
-func NewLinksService(repo *repositories.LinksRepository) *LinksService {
-	s, _ := sqids.New()
+func NewLinksService(repo *repositories.LinksRepository) (*LinksService, error) {
+	s, err := sqids.New()
+	if err != nil {
+		return nil, fmt.Errorf("failed to initialize sqids: %w", err)
+	}
 	return &LinksService{
 		repo: repo,
 		sqid: s,
-	}
+	}, nil
 }
 
 func (s *LinksService) CreateLink(original string) (string, error) {
-	id, _ := s.sqid.Encode([]uint64{rand.Uint64()})
-	err := s.repo.CreateLink(id, original)
+	id, err := s.sqid.Encode([]uint64{rand.Uint64()})
+	if err != nil {
+		return "", fmt.Errorf("failed to encode link id: %w", err)
+	}
+	err = s.repo.CreateLink(id, original)
 	return id, err
 }