any-sync/data/change.go
2022-07-01 11:39:42 +02:00

62 lines
1.4 KiB
Go

package data
import (
"fmt"
"github.com/anytypeio/go-anytype-infrastructure-experiments/data/pb"
"github.com/textileio/go-threads/crypto/symmetric"
)
// Change is an abstract type for all types of changes
type Change struct {
Next []*Change
Unattached []*Change
PreviousIds []string
Id string
SnapshotId string
IsSnapshot bool
DecryptedDocumentChange []byte
Content *pb.ACLChange
}
func (ch *Change) DecryptContents(key *symmetric.Key) error {
if ch.Content.ChangesData == nil {
return nil
}
decrypted, err := key.Decrypt(ch.Content.ChangesData)
if err != nil {
return fmt.Errorf("failed to decrypt changes data: %w", err)
}
ch.DecryptedDocumentChange = decrypted
return nil
}
func (ch *Change) IsACLChange() bool {
return ch.Content.GetAclData() != nil
}
func NewChange(id string, ch *pb.ACLChange) (*Change, error) {
return &Change{
Next: nil,
PreviousIds: ch.TreeHeadIds,
Id: id,
Content: ch,
SnapshotId: ch.SnapshotBaseId,
IsSnapshot: ch.GetAclData().GetAclSnapshot() != nil,
}, nil
}
func NewACLChange(id string, ch *pb.ACLChange) (*Change, error) {
return &Change{
Next: nil,
PreviousIds: ch.AclHeadIds,
Id: id,
Content: ch,
SnapshotId: ch.SnapshotBaseId,
IsSnapshot: ch.GetAclData().GetAclSnapshot() != nil,
}, nil
}