pomerium/pkg/storage/patch.go
Kenneth Jenkins 47890e9ee1
storage/inmemory: implement patch operation (#4654)
Add a new Patch() method that updates specific fields of an existing
record's data, based on a field mask.

Extract some logic from the existing Get() and Put() methods so it can
be shared with the new Patch() method.
2023-11-02 11:03:00 -07:00

36 lines
1 KiB
Go

package storage
import (
"fmt"
"google.golang.org/protobuf/types/known/anypb"
"google.golang.org/protobuf/types/known/fieldmaskpb"
"github.com/pomerium/pomerium/pkg/grpc/databroker"
"github.com/pomerium/pomerium/pkg/protoutil"
)
// PatchRecord extracts the data from existing and record, updates the existing
// data subject to the provided field mask, and stores the result back into
// record. The existing record is not modified.
func PatchRecord(existing, record *databroker.Record, fields *fieldmaskpb.FieldMask) error {
dst, err := existing.GetData().UnmarshalNew()
if err != nil {
return fmt.Errorf("could not unmarshal existing record data: %w", err)
}
src, err := record.GetData().UnmarshalNew()
if err != nil {
return fmt.Errorf("could not unmarshal new record data: %w", err)
}
if err := protoutil.OverwriteMasked(dst, src, fields); err != nil {
return fmt.Errorf("cannot patch record: %w", err)
}
record.Data, err = anypb.New(dst)
if err != nil {
return fmt.Errorf("could not marshal new record data: %w", err)
}
return nil
}