Database creation into its own extension.

Sample/Extensions/RavenExtensions.cs

@@ -0,0 +1,32 @@
+using Raven.Client.Documents;
+using Sample.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Sample.Extensions
+{
+    public static class RavenExtensions
+    {
+        public static IDocumentStore EnsureExists(this IDocumentStore store)
+        {
+            try
+            {
+                using (var dbSession = store.OpenSession())
+                {
+                    dbSession.Query<AppUser>().Take(0).ToList();
+                }
+            }
+            catch (Raven.Client.Exceptions.Database.DatabaseDoesNotExistException)
+            {
+                store.Maintenance.Server.Send(new Raven.Client.ServerWide.Operations.CreateDatabaseOperation(new Raven.Client.ServerWide.DatabaseRecord
+                {
+                    DatabaseName = store.Database
+                }));
+            }
+
+            return store;
+        }
+    }
+}

Sample/Startup.cs

@@ -12,6 +12,7 @@ using Sample.Models;
 using Sample.Services;
 using Raven.Identity;
 using Raven.Client.Documents;
+using Sample.Extensions;
 
 namespace Sample
 {
@@ -27,7 +28,6 @@ namespace Sample
         // This method gets called by the runtime. Use this method to add services to the container.
         public void ConfigureServices(IServiceCollection services)
         {
-
             // Connect to a Raven server. We're using the public test playground at http://live-test.ravendb.net
             var databaseName = "Raven.Identity.Sample";
             var docStore = new DocumentStore
@@ -35,8 +35,7 @@ namespace Sample
                 Urls = new string[] { "http://live-test.ravendb.net" },
                 Database = databaseName
             };
-            docStore.Initialize();
-            CreateDatabaseIfNotExists(docStore, databaseName);
+            docStore.Initialize().EnsureExists();
             
             // Add RavenDB and identity.
             services
@@ -52,24 +51,6 @@ namespace Sample
             services.AddMvc();
         }
 
-        private void CreateDatabaseIfNotExists(IDocumentStore docStore, string databaseName)
-        {
-            try
-            {
-                using (var dbSession = docStore.OpenSession())
-                {
-                    dbSession.Query<AppUser>().Take(0).ToList();
-                }
-            }
-            catch (Raven.Client.Exceptions.Database.DatabaseDoesNotExistException)
-            {
-                docStore.Maintenance.Server.Send(new Raven.Client.ServerWide.Operations.CreateDatabaseOperation(new Raven.Client.ServerWide.DatabaseRecord
-                {
-                    DatabaseName = databaseName
-                }));
-            }
-        }
-
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
         public void Configure(IApplicationBuilder app, IHostingEnvironment env)
         {
@@ -95,5 +76,23 @@ namespace Sample
                     template: "{controller=Home}/{action=Index}/{id?}");
             });
         }
+
+        private void CreateDatabaseIfNotExists(IDocumentStore docStore, string databaseName)
+        {
+            try
+            {
+                using (var dbSession = docStore.OpenSession())
+                {
+                    dbSession.Query<AppUser>().Take(0).ToList();
+                }
+            }
+            catch (Raven.Client.Exceptions.Database.DatabaseDoesNotExistException)
+            {
+                docStore.Maintenance.Server.Send(new Raven.Client.ServerWide.Operations.CreateDatabaseOperation(new Raven.Client.ServerWide.DatabaseRecord
+                {
+                    DatabaseName = databaseName
+                }));
+            }
+        }
     }
 }