Componente Botão Favorito Livewire - Laravel Mastery https://laravelmastery.com.br

favorite-button.blade.php

<button wire:click="toggleFavorite">
    @if(!$this->favoriteByUser)
        <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2">
            <path stroke-linecap="round" stroke-linejoin="round" d="M4.318 6.318a4.5 4.5 0 000 6.364L12 20.364l7.682-7.682a4.5 4.5 0 00-6.364-6.364L12 7.636l-1.318-1.318a4.5 4.5 0 00-6.364 0z" />
        </svg>
    @else
        <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6 text-red-800" fill="currentColor" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2">
            <path stroke-linecap="round" stroke-linejoin="round" d="M4.318 6.318a4.5 4.5 0 000 6.364L12 20.364l7.682-7.682a4.5 4.5 0 00-6.364-6.364L12 7.636l-1.318-1.318a4.5 4.5 0 00-6.364 0z" />
        </svg>
    @endif
</button>

Favorite.php

<?php 

//Model Content

protected $fillable = ['user_id'];

public function favoriteable()
{
    return $this->morphTo();
}

FavoriteButton.php

<?php

namespace App\Http\Livewire;

use App\Models\Content;
use App\Models\User;
use Livewire\Component;

class FavoriteButton extends Component
{
    public $model;

    public function mount($model)
    {
        $this->model = $model;
    }

    public function toggleFavorite()
    {
        /** @var User $user */
        $user = auth()->user();
        $contentFavorites = Content::find($this->model)->favorites();

        if(!$contentFavorites->where('user_id', $user->id)->count()) {
            $contentFavorites->create(['user_id' => $user->id]);
        }else {
            $contentFavorites->where('user_id', $user->id)->delete();
        }
    }

    public function getFavoriteByUserProperty()
    {
        return Content::find($this->model)->favorites()->whereUserId(auth()->id())->count();
    }

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

favorites-migration.php

<?php 

  Schema::create('favorites', function (Blueprint $table) {

    $table->foreignId('user_id')->constrained()->cascadeOnDelete();
    $table->morphs('favoriteable');

    $table->timestamps();
});