54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
// Copyright (c) 2024 Joshua Rich <joshua.rich@gmail.com>
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//
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// This software is released under the MIT License.
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// https://opensource.org/licenses/MIT
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package translations
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import (
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"context"
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"log/slog"
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"github.com/jeandeaual/go-locale"
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"golang.org/x/text/language"
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"golang.org/x/text/message"
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"github.com/joshuar/go-hass-agent/internal/logging"
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)
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//go:generate gotext -srclang=en update -out=catalog.go -lang=en,fr,de github.com/joshuar/go-hass-agent
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// Translator provides a msgPrinter that can display localized strings for
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// translation of the UI.
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type Translator struct {
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msgPrinter *message.Printer
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}
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// NewTranslator creates a new Translator in the locale of the system. Strings
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// translator by this Translator instance will be localized if a translation is
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// available.
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func NewTranslator(ctx context.Context) *Translator {
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var msgPrinter *message.Printer
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userLocales, err := locale.GetLocales()
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if err != nil {
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logging.FromContext(ctx).Warn("Could not find any installed locales. Using English.")
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msgPrinter = message.NewPrinter(message.MatchLanguage(language.English.String()))
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} else {
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logging.FromContext(ctx).Debug("Setting language.", slog.Any("lang", userLocales))
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msgPrinter = message.NewPrinter(message.MatchLanguage(userLocales...))
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}
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return &Translator{
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msgPrinter: msgPrinter,
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}
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}
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// Translate will take a string defined in English and apply the appropriate
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// translation (if available) of the defined Translator.
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func (t *Translator) Translate(key string, args ...any) string {
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return t.msgPrinter.Sprintf(key, args...)
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}
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