// Copyright 2019 Yunion
//
// 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 quotas

import "fmt"

func NonNegative(val int) int {
	if val < 0 {
		return 0
	} else {
		return val
	}
}

func KeyName(prefix, name string) string {
	if len(prefix) > 0 {
		return fmt.Sprintf("%s.%s", prefix, name)
	} else {
		return name
	}
}

func Exceed(used, request, quota int) bool {
	if quota >= 0 && request > 0 && used+request > quota {
		return true
	}
	return false
}
