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UUBulb
302d278644
* feat(notification): add option to convert metric units in request body * ignore gosec * rename fields
41 lines
898 B
Go
41 lines
898 B
Go
package utils
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import (
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"fmt"
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"math"
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)
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// https://github.com/dustin/go-humanize/blob/master/bytes.go
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func logn(n, b float64) float64 {
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return math.Log(n) / math.Log(b)
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}
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func countDigits(n int64) int {
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digits := 0
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for n != 0 {
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n /= 10
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digits += 1
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}
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return digits
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}
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func humanateBytes(s uint64, base float64, minDigits int, sizes []string) string {
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if s < 10 {
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return fmt.Sprintf("%d B", s)
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}
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e := math.Floor(logn(float64(s), base))
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suffix := sizes[min(len(sizes)-1, int(e))] // #nosec G602
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rounding := math.Pow10(minDigits - 1)
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val := math.Floor(float64(s)/math.Pow(base, e)*rounding+0.5) / rounding
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ff := "%%.%df %%s"
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digits := max(minDigits-countDigits(int64(val)), 0)
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f := fmt.Sprintf(ff, digits)
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return fmt.Sprintf(f, val, suffix)
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}
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func Bytes(s uint64) string {
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sizes := []string{"B", "kB", "MB", "GB", "TB", "PB", "EB"}
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return humanateBytes(s, 1024, 2, sizes)
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}
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