public async Task Invoke(HttpContext httpContext)
{
//if ajax we dont care about potential language redirect
if (httpContext.Request.IsAjax())
{
await _next(httpContext);
}
//get the culture from the cookie
//get the culture from the provider (Using logic)
//if they are the same or not just continue
//if there is no culture in the url, redirect
SiteLanguageCookie currentCookieCulture = GetCurrentCultureFromCookie(httpContext);
string determinedCulture = GetDeterminedCulture(httpContext);
string urlCutlture = GetCurrentCultureFromUrl(httpContext);
if ((currentCookieCulture == null || currentCookieCulture.Culture == determinedCulture) && urlCutlture == string.Empty)
{
httpContext.Response.Redirect($"/{determinedCulture}{httpContext.Request.Path}");
}
else
{
if (urlCutlture != string.Empty && determinedCulture != urlCutlture)
{
httpContext.Response.Redirect(httpContext.Request.Path.ToString().Replace($"/{urlCutlture}", $"/{determinedCulture}"));
}
}
await _next(httpContext);
}
private SiteLanguageCookie GetCurrentCultureFromCookie(HttpContext httpContext)
{
SiteLanguageCookie cookie = CookieHelper.GetCultureFromCookieFromRequest(httpContext);
if (cookie != null)
{
return(cookie);
}
return(null);
}
public override Task <ProviderCultureResult> DetermineProviderCultureResult(HttpContext httpContext)
{
string cultureCode = GetCultureFromUrl(httpContext);
if (cultureCode != string.Empty)
{
if (IsCultureCodeSupported(cultureCode))
{
return(Task.FromResult(new ProviderCultureResult(cultureCode)));
}
}
else
{
SiteLanguageCookie cookie = GetCultureFromCookie(httpContext);
if (cookie != null)
{
switch (cookie.State)
{
case LanguageState.Profile:
cultureCode = cookie.Culture;
return(Task.FromResult(new ProviderCultureResult(cultureCode)));
case LanguageState.Browser:
case LanguageState.NotSet:
if (IsAuthenticatedRequest(httpContext))
{
cultureCode = ""; //get profile code here
if (IsCultureCodeSupported(cultureCode))
{
SetSiteLanguageCookie(httpContext, cultureCode, LanguageState.Profile);
return(Task.FromResult(new ProviderCultureResult(cultureCode)));
}
return(Task.FromResult(new ProviderCultureResult(GetDefaultCultureCode())));
}
return(Task.FromResult(new ProviderCultureResult(cultureCode)));
}
}
cultureCode = GetCultureFromBrowserLanguage(httpContext);
if (IsCultureCodeSupported(cultureCode))
{
SetSiteLanguageCookie(httpContext, cultureCode, LanguageState.Browser);
return(Task.FromResult(new ProviderCultureResult(cultureCode)));
}
}
SetSiteLanguageCookie(httpContext, cultureCode, LanguageState.NotSet);
return(Task.FromResult(new ProviderCultureResult(GetDefaultCultureCode())));
}
