transfer.sh/server/storage/metadata.go

package storage

import (
	"strconv"
	"time"
)

func (metadata Metadata) RemainingLimitHeaderValues() (remainingDownloads, remainingDays string) {
	if metadata.MaxDate.IsZero() {
		remainingDays = "n/a"
	} else {
		timeDifference := metadata.MaxDate.Sub(time.Now())
		remainingDays = strconv.Itoa(int(timeDifference.Hours()/24) + 1)
	}

	if metadata.MaxDownloads == -1 {
		remainingDownloads = "n/a"
	} else {
		remainingDownloads = strconv.Itoa(metadata.MaxDownloads - metadata.Downloads)
	}

	return remainingDownloads, remainingDays
}