internal/apiclient/lrowait.go

// Copyright 2023 Google LLC
//
// 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 apiclient

import (
	"time"
)

func Every(duration time.Duration, work func(time.Time) bool) chan bool {
	ticker := time.NewTicker(duration)
	stop := make(chan bool, 1)

	go func() {
		for {
			select {
			case time := <-ticker.C:
				if !work(time) {
					stop <- true
				}
			case <-stop:
				return
			}
		}
	}()

	return stop
}