增加权限系统

backend/internal/modules/adminrole/service.go

@@ -0,0 +1,65 @@
+package adminrole
+
+import "errors"
+
+var ErrDependencyUnavailable = errors.New("dependency unavailable")
+
+type Service struct {
+	repo *Repository
+}
+
+func NewService(repo *Repository) *Service {
+	return &Service{repo: repo}
+}
+
+func (s *Service) List() ([]RoleDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	return s.repo.List()
+}
+
+func (s *Service) FindByID(id uint64) (*RoleDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	return s.repo.FindByID(id)
+}
+
+func (s *Service) Create(req CreateRoleRequest) (*RoleDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	if req.Code == "" || req.Name == "" {
+		return nil, errors.New("code and name are required")
+	}
+	return s.repo.Create(req)
+}
+
+func (s *Service) Update(id uint64, req UpdateRoleRequest) (*RoleDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	return s.repo.Update(id, req)
+}
+
+func (s *Service) Delete(id uint64) error {
+	if s.repo == nil {
+		return ErrDependencyUnavailable
+	}
+	return s.repo.Delete(id)
+}
+
+func (s *Service) AssignPermissions(roleID uint64, req AssignPermissionsRequest) error {
+	if s.repo == nil {
+		return ErrDependencyUnavailable
+	}
+	return s.repo.AssignPermissions(roleID, req.PermissionIDs)
+}
+
+func (s *Service) ListPermissions() ([]PermissionDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	return s.repo.ListPermissions()
+}