timetable-mgr/helpers/backoff.go

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package helpers
import (
"math"
"time"
"git.fjla.uk/owlboard/timetable-mgr/log"
"go.uber.org/zap"
)
// Implements an exponential backoff strategy and sleeps for a duration calculated as 1 second to the power of (attempt - 1).
// The backoff time doubles with each attempt, starting from 1 second for the first attempt.
func BackoffDelay(attempt int) {
base := time.Second
backoff := base * time.Duration(math.Pow(2, float64(attempt-1)))
log.Info("Retry backoff", zap.Duration("delay", backoff))
time.Sleep(backoff)
}