增加权限系统

backend/internal/modules/adminmgr/service.go

@@ -0,0 +1,74 @@
+package adminmgr
+
+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(page, pageSize int) (*PaginatedResult, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	if page < 1 {
+		page = 1
+	}
+	if pageSize < 1 || pageSize > 100 {
+		pageSize = 20
+	}
+	return s.repo.List(page, pageSize)
+}
+
+func (s *Service) FindByID(id uint64) (*AdminUserDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	return s.repo.FindByID(id)
+}
+
+func (s *Service) Create(req CreateAdminRequest) (*AdminUserDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	if len(req.Password) < 6 {
+		return nil, errors.New("password too short")
+	}
+	return s.repo.Create(req)
+}
+
+func (s *Service) Update(id uint64, req UpdateAdminRequest) (*AdminUserDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	return s.repo.Update(id, req)
+}
+
+func (s *Service) Delete(id uint64, currentAdminID uint64) error {
+	if s.repo == nil {
+		return ErrDependencyUnavailable
+	}
+	return s.repo.Delete(id, currentAdminID)
+}
+
+func (s *Service) AssignRoles(adminID uint64, req AssignRolesRequest) error {
+	if s.repo == nil {
+		return ErrDependencyUnavailable
+	}
+	return s.repo.AssignRoles(adminID, req.RoleIDs)
+}
+
+func (s *Service) ChangePassword(id uint64, req ChangePasswordRequest) error {
+	if s.repo == nil {
+		return ErrDependencyUnavailable
+	}
+	if len(req.NewPassword) < 6 {
+		return errors.New("new password too short")
+	}
+	return s.repo.ChangePassword(id, req.OldPassword, req.NewPassword)
+}