// Copyright © 2018 Banzai Cloud
//
// 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.

package objectstore

import "github.com/pkg/errors"

type errAlreadyExists interface {
	AlreadyExists() bool
}

// IsAlreadyExistsError checks if an error indicates an already existing bucket.
func IsAlreadyExistsError(err error) bool {
	err = errors.Cause(err)

	if err, ok := err.(errAlreadyExists); ok {
		return err.AlreadyExists()
	}

	return false
}

type errNotFound interface {
	NotFound() bool
}

// IsNotFoundError checks if an error indicates a missing bucket.
func IsNotFoundError(err error) bool {
	err = errors.Cause(err)

	if err, ok := err.(errNotFound); ok {
		return err.NotFound()
	}

	return false
}
