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language.go
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language.go
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package language
import (
"github.com/BurntSushi/toml"
"github.com/nicksnyder/go-i18n/v2/i18n"
"github.com/tyrm/megabot"
"golang.org/x/text/language"
"io/ioutil"
"strings"
)
var defaultLanguage = language.English
// Module represent the language module for translating text
type Module struct {
lang language.Tag
langBundle *i18n.Bundle
}
// New creates a new language module
func New() (*Module, error) {
l := logger.WithField("func", "New")
module := Module{
lang: defaultLanguage,
langBundle: i18n.NewBundle(defaultLanguage),
}
module.langBundle.RegisterUnmarshalFunc("toml", toml.Unmarshal)
dir, err := megabot.Files.ReadDir("locales")
if err != nil {
return nil, err
}
for _, d := range dir {
if d.IsDir() || !strings.HasSuffix(d.Name(), ".toml") {
continue
}
l.Debugf("loading language file: %s", d.Name())
// open it
file, err := megabot.Files.Open("locales/" + d.Name())
if err != nil {
return nil, err
}
// read it
buffer, err := ioutil.ReadAll(file)
if err != nil {
return nil, err
}
module.langBundle.MustParseMessageFileBytes(buffer, d.Name())
}
return &module, nil
}
// Language returns the default language
func (m Module) Language() language.Tag { return m.lang }