func refinementsToProto(refinements []Facet, params *pb.SearchParams) error {
for _, r := range refinements {
ref := &pb.FacetRefinement{
Name: proto.String(r.Name),
}
switch v := r.Value.(type) {
case Atom:
ref.Value = proto.String(string(v))
case Range:
rng, err := rangeToProto(v)
if err != nil {
return fmt.Errorf("search: refinement for facet %q: %v", r.Name, err)
}
// Unfortunately there are two identical messages for identify Facet ranges.
ref.Range = &pb.FacetRefinement_Range{Start: rng.Start, End: rng.End}
default:
return fmt.Errorf("search: unsupported refinement for facet %q of type %T", r.Name, v)
}
params.FacetRefinement = append(params.FacetRefinement, ref)
}
return nil
}
