taskcafe/internal/graph/scalars.go

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2020-04-10 04:40:22 +02:00
package graph
import (
"io"
"github.com/99designs/gqlgen/graphql"
"github.com/google/uuid"
"github.com/pkg/errors"
"strconv"
)
func MarshalUUID(uuid uuid.UUID) graphql.Marshaler {
return graphql.WriterFunc(func(w io.Writer) {
w.Write([]byte(strconv.Quote(uuid.String())))
})
}
func UnmarshalUUID(v interface{}) (uuid.UUID, error) {
if uuidRaw, ok := v.(string); ok {
return uuid.Parse(uuidRaw)
}
return uuid.UUID{}, errors.New("uuid must be a string")
}