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@ -15,24 +15,22 @@ import (
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// Locale handle locale
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func Locale(resp http.ResponseWriter, req *http.Request) translation.Locale {
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hasCookie := false
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// 1. Check URL arguments.
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lang := req.URL.Query().Get("lang")
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var changeLang = lang != ""
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// 2. Get language information from cookies.
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if len(lang) == 0 {
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ck, _ := req.Cookie("lang")
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if ck != nil {
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lang = ck.Value
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hasCookie = true
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}
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}
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// Check again in case someone modify by purpose.
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if lang != "" && !i18n.IsExist(lang) {
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lang = ""
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hasCookie = false
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changeLang = false
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}
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// 3. Get language information from 'Accept-Language'.
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@ -43,8 +41,8 @@ func Locale(resp http.ResponseWriter, req *http.Request) translation.Locale {
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lang = tag.String()
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}
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if !hasCookie {
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req.AddCookie(NewCookie("lang", lang, 1<<31-1))
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if changeLang {
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SetCookie(resp, "lang", lang, 1<<31-1)
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}
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return translation.NewLocale(lang)
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