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package authors
import (
"crypto/md5"
"strings"
"github.com/gookit/color"
"github.com/jesseduffield/lazygit/pkg/gui/style"
"github.com/jesseduffield/lazygit/pkg/utils"
"github.com/lucasb-eyer/go-colorful"
"github.com/mattn/go-runewidth"
)
var authorInitialCache = make(map[string]string)
var authorNameCache = make(map[string]string)
var authorStyleCache = make(map[string]style.TextStyle)
func ShortAuthor(authorName string) string {
if value, ok := authorInitialCache[authorName]; ok {
return value
}
initials := getInitials(authorName)
if initials == "" {
return ""
}
value := AuthorStyle(authorName).Sprint(initials)
authorInitialCache[authorName] = value
return value
}
func LongAuthor(authorName string) string {
if value, ok := authorNameCache[authorName]; ok {
return value
}
paddedAuthorName := utils.WithPadding(authorName, 17)
truncatedName := utils.TruncateWithEllipsis(paddedAuthorName, 17)
value := AuthorStyle(authorName).Sprint(truncatedName)
authorNameCache[authorName] = value
return value
}
func AuthorStyle(authorName string) style.TextStyle {
if value, ok := authorStyleCache[authorName]; ok {
return value
}
value := trueColorStyle(authorName)
authorStyleCache[authorName] = value
return value
}
func trueColorStyle(str string) style.TextStyle {
hash := md5.Sum([]byte(str))
c := colorful.Hsl(randFloat(hash[0:4])*360.0, 0.6+0.4*randFloat(hash[4:8]), 0.4+randFloat(hash[8:12])*0.2)
return style.New().SetFg(style.NewRGBColor(color.RGB(uint8(c.R*255), uint8(c.G*255), uint8(c.B*255))))
}
func randFloat(hash []byte) float64 {
return float64(randInt(hash, 100)) / 100
}
func randInt(hash []byte, max int) int {
sum := 0
for _, b := range hash {
sum = (sum + int(b)) % max
}
return sum
}
func getInitials(authorName string) string {
if authorName == "" {
return authorName
}
firstRune := getFirstRune(authorName)
if runewidth.RuneWidth(firstRune) > 1 {
return string(firstRune)
}
split := strings.Split(authorName, " ")
if len(split) == 1 {
return utils.LimitStr(authorName, 2)
}
return utils.LimitStr(split[0], 1) + utils.LimitStr(split[1], 1)
}
func getFirstRune(str string) rune {
// just using the loop for the sake of getting the first rune
for _, r := range str {
return r
}
// should never land here
return 0
}
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