alkrauss48/simple-slides

enum PresentationFilter: string
{
    use Traits\EnumToArray;

    case INSTRUCTIONS = 'instructions';
    case ADHOC = 'adhoc';

    public function label(): string
    {
        return match ($this) {
            self::INSTRUCTIONS => 'Instructions',
            self::ADHOC => 'Adhoc',
        };
    }
}

use App\Enums\PresentationFilter;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Model;

class DailyView extends Model
{
    // ...

    public function scopeStats(Builder $query, ?string $presentationId = null): void
    {
        if ($presentationId === PresentationFilter::INSTRUCTIONS->value) {
            $query
                ->whereNull('presentation_id')
                ->whereNull('adhoc_slug');

            return;
        }

        if ($presentationId === PresentationFilter::ADHOC->value) {
            $query
                ->whereNull('presentation_id')
                ->whereNotNull('adhoc_slug')
                ->get();

            return;
        }

        if (is_null($presentationId)) {
            return;
        }

        $query->where('presentation_id', intval($presentationId));
    }

    // ...
}