public static string GetByAcceptLangHeader(string AcceptLangHeader)
{
if (string.IsNullOrEmpty(AcceptLangHeader))
{
return(SystemLangCode);
}
string[] parts = AcceptLangHeader.Split(LangSep, StringSplitOptions.RemoveEmptyEntries);
bool HasEn = false;
foreach (var item in parts)
{
if (!string.IsNullOrEmpty(item) && item.Length >= 2)
{
string lang = item.ToLower().Trim();
if (lang.Length > 2)
{
lang = lang.Substring(0, 2);
}
if (lang.Length != 2)
{
continue;
}
if (lang == "en")
{
HasEn = true;
continue;
}
if (CmsLangs.ContainsKey(lang))
{
return(lang);
}
}
}
if (HasEn)
{
return("en");
}
return(SystemLangCode);
}
public static string GetCmsLangCode(RenderContext context)
{
if (context.User != null && !string.IsNullOrEmpty(context.User.Language))
{
string lang = context.User.Language;
if (CmsLangs.ContainsKey(lang))
{
return(lang);
}
}
// based on accept langs..
var acceptlangs = context.Request.Headers.Get("Accept-Language");
if (!string.IsNullOrWhiteSpace(acceptlangs))
{
return(GetByAcceptLangHeader(acceptlangs));
}
return(SystemLangCode);
}
