wtf/app/scheduler.go

package app

import (
	"time"

	"github.com/wtfutil/wtf/wtf"
)

// Schedule kicks off the first refresh of a module's data and then queues the rest of the
// data refreshes on a timer
func Schedule(widget wtf.Wtfable) {
	widget.Refresh()

	interval := time.Duration(widget.RefreshInterval()) * time.Second

	if interval <= 0 {
		return
	}

	tick := time.NewTicker(interval)
	quit := make(chan struct{})

	for {
		select {
		case <-tick.C:
			if widget.Enabled() {
				widget.Refresh()
			} else {
				tick.Stop()
				return
			}
		case <-quit:
			tick.Stop()
			return
		}
	}
}