62 lines
2.3 KiB
C#
62 lines
2.3 KiB
C#
using System.Globalization;
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namespace Yavsc
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{
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using Microsoft.AspNet.Mvc.Filters;
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using Microsoft.Extensions.Logging;
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public class LanguageActionFilter : ActionFilterAttribute
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{
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private readonly ILogger _logger;
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public LanguageActionFilter(ILoggerFactory loggerFactory)
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{
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_logger = loggerFactory.CreateLogger("LanguageActionFilter");
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}
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public override void OnActionExecuting(ActionExecutingContext context)
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{
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string culture = null;
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var routedCulture = context.RouteData.Values["culture"];
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if (routedCulture != null) {
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culture = routedCulture.ToString();
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_logger.LogInformation($"Setting the culture from the URL: {culture}");
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}
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else {
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if (context.HttpContext.Request.Headers.ContainsKey("accept-language"))
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{
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// fr,en-US;q=0.7,en;q=0.3
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string spec = context.HttpContext.Request.Headers["accept-language"];
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_logger.LogInformation($"Setting the culture from language header spec: {spec}");
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string firstpart = spec.Split(';')[0];
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foreach (string lang in firstpart.Split(','))
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{
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// TODO do it from the given options ...
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// just take the main part :-)
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string mainlang = lang.Split('-')[0];
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if (mainlang=="fr"||mainlang=="en") {
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culture = mainlang;
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_logger.LogInformation($"Setting the culture from header: {culture}");
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break;
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}
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}
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}
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}
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if (culture != null) {
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#if DNX451
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System.Threading.Thread.CurrentThread.CurrentCulture = new CultureInfo(culture);
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System.Threading.Thread.CurrentThread.CurrentUICulture = new CultureInfo(culture);
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#else
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CultureInfo.CurrentCulture = new CultureInfo(culture);
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CultureInfo.CurrentUICulture = new CultureInfo(culture);
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#endif
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}
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base.OnActionExecuting(context);
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}
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}
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}
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