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- // Copyright 2014-2018 The Gogs Authors. All rights reserved.
- // Use of this source code is governed by a MIT-style license that can be
- // found in the LICENSE file of the Gogs project (github.com/gogs/gogs).
-
- package appstats
-
- import (
- "fmt"
- "math"
- "strings"
- "time"
- )
-
- // Borrowed from github.com/gogs/gogs/pkg/tool
-
- // Seconds-based time units
- const (
- Minute = 60
- Hour = 60 * Minute
- Day = 24 * Hour
- Week = 7 * Day
- Month = 30 * Day
- Year = 12 * Month
- )
-
- func computeTimeDiff(diff int64) (int64, string) {
- diffStr := ""
- switch {
- case diff <= 0:
- diff = 0
- diffStr = "now"
- case diff < 2:
- diff = 0
- diffStr = "1 second"
- case diff < 1*Minute:
- diffStr = fmt.Sprintf("%d seconds", diff)
- diff = 0
-
- case diff < 2*Minute:
- diff -= 1 * Minute
- diffStr = "1 minute"
- case diff < 1*Hour:
- diffStr = fmt.Sprintf("%d minutes", diff/Minute)
- diff -= diff / Minute * Minute
-
- case diff < 2*Hour:
- diff -= 1 * Hour
- diffStr = "1 hour"
- case diff < 1*Day:
- diffStr = fmt.Sprintf("%d hours", diff/Hour)
- diff -= diff / Hour * Hour
-
- case diff < 2*Day:
- diff -= 1 * Day
- diffStr = "1 day"
- case diff < 1*Week:
- diffStr = fmt.Sprintf("%d days", diff/Day)
- diff -= diff / Day * Day
-
- case diff < 2*Week:
- diff -= 1 * Week
- diffStr = "1 week"
- case diff < 1*Month:
- diffStr = fmt.Sprintf("%d weeks", diff/Week)
- diff -= diff / Week * Week
-
- case diff < 2*Month:
- diff -= 1 * Month
- diffStr = "1 month"
- case diff < 1*Year:
- diffStr = fmt.Sprintf("%d months", diff/Month)
- diff -= diff / Month * Month
-
- case diff < 2*Year:
- diff -= 1 * Year
- diffStr = "1 year"
- default:
- diffStr = fmt.Sprintf("%d years", diff/Year)
- diff = 0
- }
- return diff, diffStr
- }
-
- // TimeSincePro calculates the time interval and generate full user-friendly string.
- func TimeSincePro(then time.Time) string {
- now := time.Now()
- diff := now.Unix() - then.Unix()
-
- if then.After(now) {
- return "future"
- }
-
- var timeStr, diffStr string
- for {
- if diff == 0 {
- break
- }
-
- diff, diffStr = computeTimeDiff(diff)
- timeStr += ", " + diffStr
- }
- return strings.TrimPrefix(timeStr, ", ")
- }
-
- func logn(n, b float64) float64 {
- return math.Log(n) / math.Log(b)
- }
-
- func humanateBytes(s uint64, base float64, sizes []string) string {
- if s < 10 {
- return fmt.Sprintf("%d B", s)
- }
- e := math.Floor(logn(float64(s), base))
- suffix := sizes[int(e)]
- val := float64(s) / math.Pow(base, math.Floor(e))
- f := "%.0f"
- if val < 10 {
- f = "%.1f"
- }
-
- return fmt.Sprintf(f+" %s", val, suffix)
- }
-
- // FileSize calculates the file size and generate user-friendly string.
- func FileSize(s int64) string {
- sizes := []string{"B", "KB", "MB", "GB", "TB", "PB", "EB"}
- return humanateBytes(uint64(s), 1024, sizes)
- }
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