forked from ent/contrib
/
pulid.go
43 lines (38 loc) · 1.26 KB
/
pulid.go
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// Copyright 2019-present Facebook
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Code generated by entc, DO NOT EDIT.
package ent
import (
"context"
"fmt"
"github.com/dmalykh/entcontrib/entgql/internal/todopulid/ent/schema/pulid"
"github.com/dmalykh/entcontrib/entgql/internal/todopulid/ent/todo"
)
// prefixMap maps PULID prefixes to table names.
var prefixMap = map[pulid.ID]string{
"TD": todo.Table,
}
// IDToType maps a pulid.ID to the underlying table.
func IDToType(ctx context.Context, id pulid.ID) (string, error) {
if len(id) < 2 {
return "", fmt.Errorf("IDToType: id too short")
}
prefix := id[:2]
typ := prefixMap[prefix]
if typ == "" {
return "", fmt.Errorf("IDToType: could not map prefix '%s' to a type", prefix)
}
return typ, nil
}