156 lines
3.2 KiB
Go
156 lines
3.2 KiB
Go
package deletesvc
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import (
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"context"
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objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
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"github.com/nspcc-dev/neofs-api-go/pkg/owner"
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"github.com/nspcc-dev/neofs-node/pkg/core/object"
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headsvc "github.com/nspcc-dev/neofs-node/pkg/services/object/head"
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putsvc "github.com/nspcc-dev/neofs-node/pkg/services/object/put"
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objutil "github.com/nspcc-dev/neofs-node/pkg/services/object/util"
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"github.com/pkg/errors"
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)
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type Service struct {
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*cfg
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}
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type Option func(*cfg)
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type RelationHeader interface {
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HeadRelation(context.Context, *objectSDK.Address) (*object.Object, error)
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}
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type cfg struct {
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ownerID *owner.ID
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keyStorage *objutil.KeyStorage
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putSvc *putsvc.Service
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headSvc *headsvc.Service
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hdrLinking RelationHeader
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}
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func defaultCfg() *cfg {
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return new(cfg)
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}
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func NewService(opts ...Option) *Service {
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c := defaultCfg()
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for i := range opts {
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opts[i](c)
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}
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return &Service{
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cfg: c,
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}
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}
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func (s *Service) Delete(ctx context.Context, prm *Prm) (*Response, error) {
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ownerID := s.ownerID
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if token := prm.common.SessionToken(); token != nil {
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ownerID = token.OwnerID()
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}
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if ownerID == nil {
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return nil, errors.Errorf("(%T) missing owner identifier", s)
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}
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tool := &deleteTool{
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ctx: ctx,
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putSvc: s.putSvc,
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obj: newTombstone(ownerID, prm.addr.GetContainerID()),
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addr: prm.addr,
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commonPrm: prm.common,
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}
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if linking, err := s.hdrLinking.HeadRelation(ctx, prm.addr); err != nil {
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if err := s.deleteAll(tool); err != nil {
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return nil, errors.Wrapf(err, "(%T) could not delete all object relations", s)
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}
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} else {
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if err := tool.delete(prm.addr.GetObjectID()); err != nil {
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return nil, errors.Wrapf(err, "(%T) could not delete object", s)
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}
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for _, child := range linking.GetChildren() {
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if err := tool.delete(child); err != nil {
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return nil, errors.Wrapf(err, "(%T) could not delete child object", s)
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}
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}
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if err := tool.delete(linking.GetID()); err != nil {
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return nil, errors.Wrapf(err, "(%T) could not delete linking object", s)
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}
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}
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return new(Response), nil
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}
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func (s *Service) deleteAll(tool *deleteTool) error {
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headResult, err := s.headSvc.Head(tool.ctx, new(headsvc.Prm).
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WithAddress(tool.addr).
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WithCommonPrm(tool.commonPrm),
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)
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if err != nil {
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return errors.Wrapf(err, "(%T) could not receive Head result", s)
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}
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hdr := headResult.Header()
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if err := tool.delete(hdr.GetID()); err != nil {
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return errors.Wrapf(err, "(%T) could not remove object", s)
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}
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prevID := hdr.GetPreviousID()
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if rightChild := headResult.RightChild(); rightChild != nil {
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if err := tool.delete(rightChild.GetID()); err != nil {
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return errors.Wrapf(err, "(%T) could not remove right child", s)
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}
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prevID = rightChild.GetPreviousID()
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}
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if prevID != nil {
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tool.addr.SetObjectID(prevID)
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return s.deleteAll(tool)
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}
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return nil
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}
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func WithOwnerID(v *owner.ID) Option {
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return func(c *cfg) {
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c.ownerID = v
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}
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}
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func WithKeyStorage(v *objutil.KeyStorage) Option {
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return func(c *cfg) {
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c.keyStorage = v
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}
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}
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func WithPutService(v *putsvc.Service) Option {
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return func(c *cfg) {
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c.putSvc = v
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}
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}
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func WitHeadService(v *headsvc.Service) Option {
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return func(c *cfg) {
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c.headSvc = v
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}
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}
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func WithLinkingHeader(v RelationHeader) Option {
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return func(c *cfg) {
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c.hdrLinking = v
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}
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}
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