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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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