Add seeder.

Aaru.Server.New/Seeder.cs

@@ -0,0 +1,34 @@
+using Microsoft.AspNetCore.Identity;
+using DbContext = Aaru.Server.Database.DbContext;
+
+namespace Aaru.Server.New;
+
+public static class Seeder
+{
+    public static async Task SeedAsync(DbContext ctx, IServiceProvider serviceProvider)
+    {
+        var                       email       = "claunia@claunia.com";
+        var                       randChars   = new char[16];
+        UserManager<IdentityUser> userManager = serviceProvider.GetRequiredService<UserManager<IdentityUser>>();
+        var                       rnd         = new Random();
+
+        for(var i = 0; i < randChars.Length; i++) randChars[i] = (char)rnd.Next(32, 126);
+
+        string password = new(randChars);
+
+        if(await userManager.FindByEmailAsync(email) != null) return;
+
+        var user = new IdentityUser
+        {
+            Email              = email,
+            NormalizedEmail    = email,
+            EmailConfirmed     = true,
+            UserName           = email,
+            NormalizedUserName = email
+        };
+
+        IdentityResult result = await userManager.CreateAsync(user, password);
+
+        if(result.Succeeded) System.Console.WriteLine("Password is {0}, save it!", password);
+    }
+}