70 lines
1.1 KiB
Go
70 lines
1.1 KiB
Go
package logic
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import (
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"context"
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"sync"
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"time"
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"go.uber.org/zap"
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)
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// Worker runs Tick on an interval until Stop.
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type Worker struct {
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log *zap.Logger
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svc *Service
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stop chan struct{}
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wg sync.WaitGroup
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}
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func NewWorker(log *zap.Logger, svc *Service) *Worker {
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if log == nil {
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log = zap.NewNop()
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}
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return &Worker{log: log, svc: svc, stop: make(chan struct{})}
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}
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func (w *Worker) Start() {
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if w == nil || w.svc == nil || !w.svc.Enabled() {
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return
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}
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w.wg.Add(1)
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go w.loop()
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}
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func (w *Worker) Stop() {
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if w == nil {
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return
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}
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select {
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case <-w.stop:
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default:
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close(w.stop)
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}
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w.wg.Wait()
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}
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func (w *Worker) loop() {
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defer w.wg.Done()
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interval := w.svc.Interval()
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// Run once shortly after boot so ops can verify without waiting a full interval.
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timer := time.NewTimer(15 * time.Second)
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defer timer.Stop()
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for {
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select {
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case <-w.stop:
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return
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case <-timer.C:
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w.runOnce()
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timer.Reset(interval)
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}
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}
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}
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func (w *Worker) runOnce() {
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ctx, cancel := context.WithTimeout(context.Background(), 90*time.Second)
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defer cancel()
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if err := w.svc.Tick(ctx); err != nil {
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w.log.Warn("squarebot tick", zap.Error(err))
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}
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}
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