app/database/seeders/DishesSeeder.php

<?php

namespace Database\Seeders;

use App\Models\Dish;
use App\Models\Planner;
use App\Models\User;
use Illuminate\Database\Seeder;

class DishesSeeder extends Seeder
{
    public function run(): void
    {
        /** @var Planner $planner */
        $planner = Planner::first() ?? Planner::factory()->create();

        // Get users belonging to this planner
        $users = User::where('planner_id', $planner->id)->get();

        if ($users->isEmpty()) {
            $this->command->warn('No users found for planner. Skipping dishes seeder.');

            return;
        }

        $userIds = $users->pluck('id')->toArray();

        // Build possible user combinations (individual users + all users together)
        $userOptions = collect($userIds)->map(fn ($id) => [$id])->toArray();
        $userOptions[] = $userIds; // all users

        collect([
            'Lasagne', 'Pizza', 'Burger', 'Fries', 'Salad', 'Sushi', 'Pancakes', 'Ice Cream', 'Spaghetti', 'Mac and Cheese',
            'Steak', 'Chicken', 'Beef', 'Pork', 'Fish', 'Chips', 'Cake',
        ])->each(function (string $name) use ($planner, $userOptions) {
            $dish = Dish::factory()->create([
                'planner_id' => $planner->id,
                'name' => $name,
            ]);

            $dish->users()->attach($userOptions[array_rand($userOptions)]);
        });
    }
}