photoprism/internal/i18n/i18n.go

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/*
Package i18n provides translatable notification and error messages.
Copyright (c) 2018 - 2022 PhotoPrism UG. All rights reserved.
This program is free software: you can redistribute it and/or modify
it under Version 3 of the GNU Affero General Public License (the "AGPL"):
<https://docs.photoprism.app/license/agpl>
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
The AGPL is supplemented by our Trademark and Brand Guidelines,
which describe how our Brand Assets may be used:
<https://photoprism.app/trademark>
Feel free to send an email to hello@photoprism.app if you have questions,
want to support our work, or just want to say hello.
Additional information can be found in our Developer Guide:
<https://docs.photoprism.app/developer-guide/>
*/
package i18n
import (
"errors"
"fmt"
"strings"
"github.com/leonelquinteros/gotext"
)
//go:generate xgettext --no-wrap --language=c --from-code=UTF-8 --output=../../assets/locales/messages.pot messages.go
type Message int
type MessageMap map[Message]string
func gettext(s string) string {
return gotext.Get(s)
}
// msgParams replaces message params with the actual values.
func msgParams(msg string, params ...interface{}) string {
if strings.Contains(msg, "%") {
msg = fmt.Sprintf(msg, params...)
}
return msg
}
func Msg(id Message, params ...interface{}) string {
return msgParams(gotext.Get(Messages[id]), params...)
}
func Error(id Message, params ...interface{}) error {
return errors.New(Msg(id, params...))
}