fix: ajustes de rota

Controllers/HomeController.cs

@@ -299,7 +299,7 @@ namespace QRRapidoApp.Controllers
         [Route("sitemap.xml")]
         public async Task<IActionResult> Sitemap()
         {
-            var baseUrl = "https://qrrapido.site";
+            var baseUrl = $"{Request.Scheme}://{Request.Host}";
             var now = DateTime.UtcNow.ToString("yyyy-MM-dd");
 
             var sitemapBuilder = new System.Text.StringBuilder();
@@ -324,22 +324,15 @@ namespace QRRapidoApp.Controllers
             }
 
             // Core entry points
-            // "/" is canonical for Portuguese, "/es-PY" for Spanish
             AppendUrl("/", "daily", "1.0");
             AppendUrl("/es-PY", "daily", "0.9");
 
-            // Tools (Landing Pages) - Portuguese without prefix, Spanish with /es-PY
+            // Tools (Landing Pages)
             var tools = new[] { "pix", "wifi", "vcard", "whatsapp", "email", "sms", "texto", "url" };
 
-            // Portuguese tools (canonical, no prefix)
             foreach (var tool in tools)
             {
                 AppendUrl($"/{tool}", "weekly", "0.9");
-            }
-
-            // Spanish tools (with /es-PY prefix)
-            foreach (var tool in tools)
-            {
                 AppendUrl($"/es-PY/{tool}", "weekly", "0.8");
             }
 
@@ -354,41 +347,34 @@ namespace QRRapidoApp.Controllers
                 new { Path = "Home/Terms", ChangeFreq = "monthly", Priority = "0.4" }
             };
 
-            // Portuguese informational pages (no prefix)
             foreach (var page in informationalPages)
             {
                 AppendUrl($"/{page.Path}", page.ChangeFreq, page.Priority);
-            }
-
-            // Spanish informational pages
-            foreach (var page in informationalPages)
-            {
                 AppendUrl($"/es-PY/{page.Path}", page.ChangeFreq, page.Priority);
             }
 
-            // Dynamic tutorial pages
+            // Dynamic tutorial pages from Markdown
             try
             {
                 var allArticles = await _markdownService.GetAllArticlesForSitemapAsync();
 
                 foreach (var article in allArticles)
                 {
+                    // Use slug from metadata or generate from title if missing
                     var slug = !string.IsNullOrWhiteSpace(article.Slug)
                         ? article.Slug
                         : article.Title.ToLower().Replace(" ", "-");
 
-                    var encodedSlug = System.Uri.EscapeDataString(slug);
-                    var lastMod = article.LastMod.ToString("yyyy-MM-dd");
+                    // Ensure slug is only encoded once and special characters are handled
+                    var encodedSlug = slug; // Assuming slug is already URL-safe from filename
 
-                    // pt-BR tutorials go under /tutoriais/, es-PY under /es-PY/tutoriais/
                     var tutorialPath = article.Culture == "pt-BR"
                         ? $"/tutoriais/{encodedSlug}"
-                        : $"/{article.Culture}/tutoriais/{encodedSlug}";
+                        : $"/es-PY/tutoriais/{encodedSlug}";
 
+                    var lastMod = article.LastMod.ToString("yyyy-MM-dd");
                     AppendUrl(tutorialPath, "weekly", "0.8", lastMod);
                 }
-
-                _logger.LogInformation("Generated sitemap with {Count} tutorial articles", allArticles.Count);
             }
             catch (Exception ex)
             {
@@ -397,7 +383,7 @@ namespace QRRapidoApp.Controllers
 
             sitemapBuilder.AppendLine("</urlset>");
 
-            return Content(sitemapBuilder.ToString(), "application/xml");
+            return Content(sitemapBuilder.ToString(), "application/xml", System.Text.Encoding.UTF8);
         }
     }
 

Middleware/LanguageRedirectionMiddleware.cs

@@ -40,104 +40,87 @@ namespace QRRapidoApp.Middleware
             var segments = path.Split('/', StringSplitOptions.RemoveEmptyEntries);
             var firstSegment = segments.Length > 0 ? segments[0] : "";
 
-            // Check if URL starts with a culture prefix
-            if (IsCultureSegment(firstSegment))
+            // Check if URL starts with a culture segment (supported or unsupported)
+            if (IsCultureLikeSegment(firstSegment))
             {
-                // /pt-BR/* → Redirect 301 to /* (remove pt-BR prefix, it's the default)
+                // Supported: pt-BR (Default/Canonical)
                 if (string.Equals(firstSegment, "pt-BR", StringComparison.OrdinalIgnoreCase))
                 {
-                    var remainingPath = segments.Length > 1
-                        ? "/" + string.Join('/', segments.Skip(1))
-                        : "/";
-
-                    if (context.Request.QueryString.HasValue)
-                    {
-                        remainingPath += context.Request.QueryString.Value;
-                    }
-
-                    _logger.LogInformation("Redirecting /pt-BR{Path} to {RedirectUrl} (canonical)",
-                        remainingPath == "/" ? "" : remainingPath, remainingPath);
-
-                    context.Response.Redirect(remainingPath, permanent: true);
-                    return;
+                    return RedirectToCanonical(context, segments);
                 }
 
-                // /es-PY/* → Continue normally (Spanish has its own URLs)
+                // Supported: es-PY
                 if (string.Equals(firstSegment, "es-PY", StringComparison.OrdinalIgnoreCase))
                 {
-                    // Set culture for the request
                     SetCulture(context, "es-PY");
                     await _next(context);
                     return;
                 }
 
-                // Handle lowercase aliases: /pt-br → /pt-BR, /es-py → /es-PY
-                if (TryHandleCultureAlias(context, firstSegment, segments))
+                // Handle aliases or unsupported cultures (e.g. /en/, /pt/, /es/)
+                if (TryHandleCultureAliasOrUnknown(context, firstSegment, segments))
                 {
                     return;
                 }
             }
 
-            // No culture prefix → Serve in Portuguese (default)
-            // URLs like /, /pix, /wifi, /vcard etc.
+            // No culture prefix or unknown segment -> Serve in Portuguese (default)
             SetCulture(context, DefaultCulture);
             await _next(context);
         }
 
-        private bool IsCultureSegment(string segment)
+        private bool IsCultureLikeSegment(string segment)
         {
             if (string.IsNullOrEmpty(segment)) return false;
 
-            // Check exact matches and aliases
-            return string.Equals(segment, "pt-BR", StringComparison.OrdinalIgnoreCase) ||
-                   string.Equals(segment, "es-PY", StringComparison.OrdinalIgnoreCase) ||
-                   string.Equals(segment, "pt", StringComparison.OrdinalIgnoreCase) ||
-                   string.Equals(segment, "es", StringComparison.OrdinalIgnoreCase);
+            // Matches xx (like en, pt, es) or xx-XX (like pt-BR, en-US)
+            return segment.Length == 2 || (segment.Length == 5 && segment[2] == '-');
         }
 
-        private bool TryHandleCultureAlias(HttpContext context, string firstSegment, string[] segments)
+        private bool TryHandleCultureAliasOrUnknown(HttpContext context, string firstSegment, string[] segments)
         {
-            string? targetCulture = null;
-            string? targetPrefix = null;
-
-            // Map aliases to canonical forms
-            if (string.Equals(firstSegment, "pt", StringComparison.OrdinalIgnoreCase) ||
-                (string.Equals(firstSegment, "pt-br", StringComparison.Ordinal) && firstSegment != "pt-BR"))
+            // Map known aliases to canonical forms
+            if (string.Equals(firstSegment, "es", StringComparison.OrdinalIgnoreCase) ||
+                string.Equals(firstSegment, "es-py", StringComparison.OrdinalIgnoreCase))
             {
-                // /pt/* or /pt-br/* → Redirect to /* (Portuguese is canonical without prefix)
-                targetCulture = "pt-BR";
-                targetPrefix = ""; // No prefix for Portuguese
-            }
-            else if (string.Equals(firstSegment, "es", StringComparison.OrdinalIgnoreCase) ||
-                     (string.Equals(firstSegment, "es-py", StringComparison.OrdinalIgnoreCase) && firstSegment != "es-PY"))
-            {
-                // /es/* or /es-py/* → Redirect to /es-PY/*
-                targetCulture = "es-PY";
-                targetPrefix = "/es-PY";
+                return RedirectToLanguage(context, "es-PY", segments);
             }
 
-            if (targetCulture != null)
+            // For anything else that looks like a culture (en, pt, fr, etc.) 
+            // but isn't explicitly es-PY, we redirect to the canonical (no prefix)
+            // This prevents 404s for /en/, /pt-BR/ (redirects to /), etc.
+            return RedirectToCanonical(context, segments);
+        }
+
+        private bool RedirectToLanguage(HttpContext context, string culture, string[] segments)
+        {
+            var remainingPath = segments.Length > 1
+                ? "/" + string.Join('/', segments.Skip(1))
+                : "";
+
+            var redirectUrl = "/" + culture + remainingPath;
+            return ExecuteRedirect(context, redirectUrl);
+        }
+
+        private bool RedirectToCanonical(HttpContext context, string[] segments)
+        {
+            var remainingPath = segments.Length > 1
+                ? "/" + string.Join('/', segments.Skip(1))
+                : "/";
+
+            return ExecuteRedirect(context, remainingPath);
+        }
+
+        private bool ExecuteRedirect(HttpContext context, string url)
+        {
+            if (context.Request.QueryString.HasValue)
             {
-                var remainingPath = segments.Length > 1
-                    ? "/" + string.Join('/', segments.Skip(1))
-                    : "";
-
-                var redirectUrl = targetPrefix + remainingPath;
-                if (string.IsNullOrEmpty(redirectUrl)) redirectUrl = "/";
-
-                if (context.Request.QueryString.HasValue)
-                {
-                    redirectUrl += context.Request.QueryString.Value;
-                }
-
-                _logger.LogInformation("Redirecting alias '{Alias}' to canonical URL: {RedirectUrl}",
-                    firstSegment, redirectUrl);
-
-                context.Response.Redirect(redirectUrl, permanent: true);
-                return true;
+                url += context.Request.QueryString.Value;
             }
 
-            return false;
+            _logger.LogInformation("SEO Redirect: {Source} -> {Dest}", context.Request.Path, url);
+            context.Response.Redirect(url, permanent: true);
+            return true;
         }
 
         private void SetCulture(HttpContext context, string culture)
@@ -145,8 +128,6 @@ namespace QRRapidoApp.Middleware
             var cultureInfo = new CultureInfo(culture);
             CultureInfo.CurrentCulture = cultureInfo;
             CultureInfo.CurrentUICulture = cultureInfo;
-
-            // Store in HttpContext for downstream use
             context.Items["Culture"] = culture;
         }
 
@@ -155,10 +136,8 @@ namespace QRRapidoApp.Middleware
             var specialRoutes = new[]
             {
                 "api/", "health", "_framework/", "lib/", "css/", "js/", "images/",
-                "favicon.ico", "robots.txt", "sitemap.xml",
-                "signin-microsoft", "signin-google", "signout-callback-oidc",
-                "Account/ExternalLoginCallback", "Account/Logout", "Pagamento/CreateCheckout",
-                "Pagamento/StripeWebhook", "api/QR", "Home/Error", "ads.txt"
+                "favicon.ico", "robots.txt", "sitemap.xml", "ads.txt",
+                "signin-", "signout-", "Account/", "Pagamento/", "Home/Error"
             };
 
             return specialRoutes.Any(route => path.StartsWith(route, StringComparison.OrdinalIgnoreCase));