now users can be created

app/Http/Controllers/SignupController.php

@@ -2,7 +2,11 @@
 
 namespace App\Http\Controllers;
 
+use App\Models\User;
+
+use Illuminate\Support\Str;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Hash;
 
 class SignupController extends Controller
 {
@@ -13,6 +17,11 @@ class SignupController extends Controller
 
     public function store(Request $request)
     {
+        // modify request
+        $request->request->add([
+            "username" => Str::slug($request->username),
+        ]);
+
         // Validate the request...
         $request->validate([
             "name" => "required|max:16",
@@ -20,5 +29,12 @@ class SignupController extends Controller
             "email" => "required|unique:users|email|max:64",
             "password" => "required|min:8|max:64|confirmed",
         ]);
+
+        User::create([
+            "name" => $request->name,
+            "username" => Str::slug($request->username),
+            "email" => $request->email,
+            "password" => Hash::make($request->password),
+        ]);
     }
 }

app/Models/User.php

@@ -18,6 +18,7 @@ class User extends Authenticatable
      */
     protected $fillable = [
         'name',
+        'username',
         'email',
         'password',
     ];

database/migrations/2024_08_20_001220_add_username_to_users_table.php

@@ -12,7 +12,7 @@ return new class extends Migration
     public function up(): void
     {
         Schema::table('users', function (Blueprint $table) {
-            $table->string("username");
+            $table->string("username")->unique();
         });
     }