eatvio-infra/app/Livewire/Diet/StartButton.php

<?php

namespace App\Livewire\Diet;

use App\Models\Diet;
use App\Models\User;
use App\Models\ChosenDiet;
use App\Events\DietSelected;
use Livewire\Component;

class StartButton extends Component
{
    public Diet $diet;
    public User $user;
    public $chosenDietState;

    public function mount()
    {
        $this->chosenDietState = data_get($this->user->chosen_diet, 'last_state', 'oops');
    }

    public function render()
    {
        return view('livewire.diet.start-button');
    }

    public function start()
    {
        DietSelected::dispatch(
            $this->diet,
            $this->user
        );
    }

    public function getLastState()
    {
        $this->chosenDietState = data_get($this->user->chosen_diet, 'last_state', 'oops');
    }
}