VP-558 middlewar for giving index when 404

VirtoCommerce.Storefront/Middleware/SpaFallbackMiddleware.cs

@@ -0,0 +1,41 @@
+using System.Net;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Http;
+
+namespace VirtoCommerce.Storefront.Middleware
+{
+    // You may need to install the Microsoft.AspNetCore.Http.Abstractions package into your project
+    public class SpaFallbackMiddleware
+    {
+        private readonly RequestDelegate _next;
+
+        public SpaFallbackMiddleware(RequestDelegate next)
+        {
+            _next = next;
+        }
+
+        public async Task Invoke(HttpContext context)
+        {
+
+            await _next.Invoke(context);
+
+            if (!context.Response.HasStarted && context.Response.StatusCode == (int)HttpStatusCode.NotFound)
+            {
+                //context.Response.Redirect("home/index");
+                context.Request.Path = "/";
+                await _next.Invoke(context);
+            }
+
+        }
+    }
+
+    // Extension method used to add the middleware to the HTTP request pipeline.
+    public static class SpaFallbackMiddlewareExtensions
+    {
+        public static IApplicationBuilder UseSpaFallbackMiddleware(this IApplicationBuilder builder)
+        {
+            return builder.UseMiddleware<SpaFallbackMiddleware>();
+        }
+    }
+}

VirtoCommerce.Storefront/Startup.cs

@@ -237,7 +237,8 @@ public void ConfigureServices(IServiceCollection services)
             services.AddIdentity<User, Role>(options => { }).AddDefaultTokenProviders();
 
             services.AddScoped<CustomCookieAuthenticationEvents>();
-            services.ConfigureApplicationCookie(options => {
+            services.ConfigureApplicationCookie(options =>
+            {
                 Configuration.GetSection("CookieAuthenticationOptions").Bind(options);
                 options.EventsType = typeof(CustomCookieAuthenticationEvents);
             });
@@ -385,12 +386,14 @@ public void Configure(IApplicationBuilder app, IHostingEnvironment env)
             app.UseMiddleware<NoLiquidThemeMiddleware>();
             app.UseMiddleware<CreateStorefrontRolesMiddleware>();
             app.UseMiddleware<ApiErrorHandlingMiddleware>();
+            // TODO: use only for SPA stores
+            app.UseSpaFallbackMiddleware();
 
             //Do not use status code pages for Api requests
-            app.UseWhen(context => !context.Request.Path.IsApi(), appBuilder =>
-            {
-                appBuilder.UseStatusCodePagesWithReExecute("/error/{0}");
-            });
+            //app.UseWhen(context => !context.Request.Path.IsApi(), appBuilder =>
+            //{
+            //    appBuilder.UseStatusCodePagesWithReExecute("/error/{0}");
+            //});
 
             // Enable middleware to serve generated Swagger as a JSON endpoint.
             app.UseSwagger(c => c.RouteTemplate = "docs/{documentName}/docs.json");
@@ -423,7 +426,10 @@ public void Configure(IApplicationBuilder app, IHostingEnvironment env)
             app.UseMvc(routes =>
             {
                 routes.MapSlugRoute("{*path}", defaults: new { controller = "Home", action = "Index" });
+                //routes.MapSpaFallbackRoute("angular-fallback",
+                //    new { controller = "Home", action = "Index" });
             });
+            //app.UseSpa(b => b.)
         }
     }
 }