laravel/database/seeders/DatabaseSeeder.php

<?php

namespace Database\Seeders;

use App\Models\User;
use App\Models\Category;
use App\Models\FormData;
use App\Models\Comments;
use Illuminate\Database\Console\Seeds\WithoutModelEvents;
use Illuminate\Database\Seeder;

class DatabaseSeeder extends Seeder
{
    use WithoutModelEvents;

    /**
     * Seed the application's database.
     */
    public function run(): void
    {
        User::where('email', 'test@example.com')->delete();
        $user = User::factory()->create([
            'name' => 'Test User',
            'email' => 'test@example.com',
            'password' => bcrypt('password'), 
        ]);

        $categories = Category::factory()->count(5)->create();

        FormData::factory()->count(50)->create()->each(function ($formData) use ($categories, $user) {
            $formData->category()->associate($categories->random());
            $formData->save();

            Comments::factory()->count(rand(0, 3))->create([
                'commentable_id' => $formData->id,
                'commentable_type' => FormData::class,
                'user_id' => rand(0, 1) ? $user->id : null,
            ]);
        });

        $this->command->info('Database seeded successfully!');
    }
}