A fork of Gitea (see branch `mj`) adding Majority Judgment Polls 𐄷 over Issues and Merge Requests. https://git.mieuxvoter.fr
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// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package middleware
import (
"net/http"
"code.gitea.io/gitea/modules/translation"
"github.com/unknwon/i18n"
"golang.org/x/text/language"
)
// Locale handle locale
func Locale(resp http.ResponseWriter, req *http.Request) translation.Locale {
// 1. Check URL arguments.
lang := req.URL.Query().Get("lang")
var changeLang = lang != ""
// 2. Get language information from cookies.
if len(lang) == 0 {
ck, _ := req.Cookie("lang")
if ck != nil {
lang = ck.Value
}
}
// Check again in case someone modify by purpose.
if lang != "" && !i18n.IsExist(lang) {
lang = ""
changeLang = false
}
// 3. Get language information from 'Accept-Language'.
// The first element in the list is chosen to be the default language automatically.
if len(lang) == 0 {
tags, _, _ := language.ParseAcceptLanguage(req.Header.Get("Accept-Language"))
tag, _, _ := translation.Match(tags...)
lang = tag.String()
}
if changeLang {
SetCookie(resp, "lang", lang, 1<<31-1)
}
return translation.NewLocale(lang)
}