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localizer.go
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localizer.go
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package localize
import (
"fmt"
"strings"
"time"
"unicode"
"unicode/utf8"
"github.com/ministryofjustice/opg-modernising-lpa/internal/date"
)
type Localizer struct {
messages Messages
showTranslationKeys bool
Lang Lang
}
func (l *Localizer) T(messageID string) string {
msg, ok := l.messages.Find(messageID)
if !ok {
return l.translate(messageID, messageID)
}
return l.translate(msg.S, messageID)
}
func (l *Localizer) Format(messageID string, data map[string]interface{}) string {
msg, ok := l.messages.Find(messageID)
if !ok {
return l.translate(messageID, messageID)
}
return l.translate(msg.Execute(data), messageID)
}
func (l *Localizer) Count(messageID string, count int) string {
return l.FormatCount(messageID, count, map[string]any{})
}
func (l *Localizer) FormatCount(messageID string, count int, data map[string]any) string {
msg, ok := l.messages.FindPlural(messageID, count)
if !ok {
return l.translate(messageID, messageID)
}
data["PluralCount"] = count
return l.translate(msg.Execute(data), messageID)
}
func (l *Localizer) translate(translation, messageID string) string {
if l.showTranslationKeys {
return fmt.Sprintf("{%s} [%s]", translation, messageID)
} else {
return translation
}
}
func (l *Localizer) ShowTranslationKeys() bool {
return l.showTranslationKeys
}
func (l *Localizer) SetShowTranslationKeys(s bool) {
l.showTranslationKeys = s
}
func (l *Localizer) Possessive(s string) string {
if l.Lang == Cy {
return s
}
format := "%s’s"
if strings.HasSuffix(s, "s") {
format = "%s’"
}
return fmt.Sprintf(format, s)
}
func (l *Localizer) Concat(list []string, joiner string) string {
switch len(list) {
case 0:
return ""
case 1:
return list[0]
default:
last := len(list) - 1
return fmt.Sprintf("%s %s %s", strings.Join(list[:last], ", "), l.T(joiner), list[last])
}
}
var monthsCy = map[time.Month]string{
time.January: "Ionawr",
time.February: "Chwefror",
time.March: "Mawrth",
time.April: "Ebrill",
time.May: "Mai",
time.June: "Mehefin",
time.July: "Gorffennaf",
time.August: "Awst",
time.September: "Medi",
time.October: "Hydref",
time.November: "Tachwedd",
time.December: "Rhagfyr",
}
func (l *Localizer) FormatDate(t date.TimeOrDate) string {
if t.IsZero() {
return ""
}
if l.Lang == Cy {
return fmt.Sprintf("%d %s %d", t.Day(), monthsCy[t.Month()], t.Year())
}
return t.Format("2 January 2006")
}
func (l *Localizer) FormatTime(t time.Time) string {
if t.IsZero() {
return ""
}
if l.Lang == Cy {
amPm := "yb"
if t.Hour() >= 12 {
amPm = "yp"
}
return fmt.Sprintf("%s%s", t.Format("3:04"), amPm)
}
return t.Format("3:04pm")
}
func (l *Localizer) FormatDateTime(t time.Time) string {
if t.IsZero() {
return ""
}
if l.Lang == Cy {
amPm := "yb"
if t.Hour() >= 12 {
amPm = "yp"
}
return fmt.Sprintf("%d %s %d am %s%s", t.Day(), monthsCy[t.Month()], t.Year(), t.Format("3:04"), amPm)
}
return t.Format("2 January 2006 at 3:04pm")
}
func LowerFirst(s string) string {
r, n := utf8.DecodeRuneInString(s)
return string(unicode.ToLower(r)) + s[n:]
}