invoiceninja/app/Livewire/BillingPortal/Purchase.php

<?php

/**
 * Invoice Ninja (https://invoiceninja.com).
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2022. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://www.elastic.co/licensing/elastic-license
 */

namespace App\Livewire\BillingPortal;

use App\Libraries\MultiDB;
use App\Models\Subscription;
use Livewire\Attributes\Computed;
use Livewire\Attributes\On;
use Livewire\Component;

class Purchase extends Component
{
    public Subscription $subscription;

    public string $db;

    public array $request_data;

    public ?string $campaign;

    // 

    public int $step = 0;

    public array $steps = [
        Setup::class,
        Authentication::class,
        Example::class,
    ];

    public array $context = [];

    #[On('purchase.context')]
    public function handleContext(string $property, $value): void
    {
        $this->context[$property] = $value;
    }

    #[On('purchase.next')]
    public function handleNext(): void
    {
        if ($this->step < count($this->steps) - 1) {
            $this->step++;
        }
    }

    #[On('purchase.forward')]
    public function handleForward(string $component): void
    {
        $this->step = array_search($component, $this->steps);
    }

    #[Computed()]
    public function component(): string
    {
        return $this->steps[$this->step];
    }

    public function mount()
    {
        MultiDB::setDb($this->db);

        $this->context = [
            'quantity' => 1,
            'request_data' => $this->request_data,
            'campaign' => $this->campaign,
        ];
    }

    public function render()
    {
        return view('billing-portal.v3.purchase');
    }
}