完善后台分页与令牌刷新

backend/internal/modules/adminauth/service.go

@@ -1,20 +1,41 @@
 package adminauth
 
-import "errors"
+import (
+	"errors"
+
+	"hfb_sys/backend/internal/modules/auth"
+)
 
 var (
 	ErrDependencyUnavailable = errors.New("dependency unavailable")
 	ErrInvalidCredential     = errors.New("invalid credential")
 	ErrCaptchaInvalid        = errors.New("captcha invalid")
 	ErrAdminDisabled         = errors.New("admin disabled")
+	ErrInvalidRefreshToken   = errors.New("invalid refresh token")
 )
 
 type Service struct {
 	repo *Repository
+	jwt  *auth.JWTManager
 }
 
-func NewService(repo *Repository) *Service {
-	return &Service{repo: repo}
+func NewService(repo *Repository, jwt *auth.JWTManager) *Service {
+	return &Service{repo: repo, jwt: jwt}
+}
+
+func (s *Service) Refresh(refreshToken string) (*auth.TokenPair, error) {
+	if s.jwt == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	claims, err := s.jwt.ParseSubject(refreshToken, "refresh", "admin")
+	if err != nil {
+		return nil, ErrInvalidRefreshToken
+	}
+	pair, err := s.jwt.GenerateSubjectPair(claims.UserID, claims.Phone, "admin")
+	if err != nil {
+		return nil, err
+	}
+	return &pair, nil
 }
 
 func (s *Service) Captcha() (*CaptchaDTO, error) {