// Copyright 2021 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

package db

import (
	"fmt"
)

// ErrCancelled represents an error due to context cancellation
type ErrCancelled struct {
	Message string
}

// IsErrCancelled checks if an error is a ErrCancelled.
func IsErrCancelled(err error) bool {
	_, ok := err.(ErrCancelled)
	return ok
}

func (err ErrCancelled) Error() string {
	return "Cancelled: " + err.Message
}

// ErrCancelledf returns an ErrCancelled for the provided format and args
func ErrCancelledf(format string, args ...interface{}) error {
	return ErrCancelled{
		fmt.Sprintf(format, args...),
	}
}