ulid.go

package ent

import (
   "context"
   "fmt"
   "golang-clean-architecture-ent-gqlgen/ent/schema/ulid"
   "golang-clean-architecture-ent-gqlgen/pkg/const/globalid"
)

var globalIDs = globalid.New()

// IDToType maps an ulid.ID to the underlying table.
func IDToType(_ context.Context, id ulid.ID) (string, error) {
   if len(id) < 3 {
      return "", fmt.Errorf("IDToType: id too short")
   }
   prefix := id[:3]
   t, err := globalIDs.FindTableByID(string(prefix))
   if err != nil {
      return "", fmt.Errorf("IDToType: could not map prefix '%s' to a type", prefix)
   }
   return t, nil
}