slideshow-api/internal/formatter.go

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package internal
import (
"fmt"
"image/color"
"strconv"
)
// format bytes
func FormatBytes(bytes int64) string {
value := float64(bytes)
unit := "bytes"
if bytes > 1000000 {
value = value / 1000000
unit = "mega" + unit
} else if bytes > 1000 {
value = value / 1000
unit = "kilo" + unit
}
return strconv.FormatFloat(value, 'f', 2, 64) + " " + unit
}
// parse rgb color values to a hex hex
func RgbToHex(color color.Color) string {
r, g, b, _ := color.RGBA()
return fmt.Sprintf("#%02x%02x%02x", uint8(r>>8), uint8(g>>8), uint8(b>>8))
}