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