nabilhassen/larasense

enum SourceType: string
{
    case Youtube = 'youtube';
    case Article = 'article';
    case Podcast = 'podcast';
}

use App\Enums\SourceType;

class Source extends Model
{
    // ...

    protected function casts(): array
    {
        return [
            'is_tracked' => 'boolean',
            'is_displayed' => 'boolean',
            'type' => SourceType::class,
            'last_checked_at' => 'datetime',
        ];
    }
}

use App\Enums\SourceType;
use Illuminate\Contracts\Database\Eloquent\Builder;

class Material extends Model
{
    // ...

    public function scopeSourceType(Builder $query, SourceType $sourceType): void
    {
        $query->whereRelation('source', 'type', $sourceType);
    }

    public function isArticle(): bool
    {
        return $this->source->type === SourceType::Article;
    }

    public function isYoutube(): bool
    {
        return $this->source->type === SourceType::Youtube;
    }

    public function isPodcast(): bool
    {
        return $this->source->type === SourceType::Podcast;
    }

    // ...
}