presseportale/app/Models/Category.php

<?php

namespace App\Models;

use App\Enums\Portal;
use Database\Factories\CategoryFactory;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Category extends Model
{
    /** @use HasFactory<CategoryFactory> */
    use HasFactory;

    protected $fillable = [
        'parent_id',
        'portal',
        'is_active',
        'legacy_portal',
        'legacy_id',
    ];

    protected function casts(): array
    {
        return [
            'portal' => Portal::class,
            'is_active' => 'boolean',
        ];
    }

    public function parent(): BelongsTo
    {
        return $this->belongsTo(self::class, 'parent_id');
    }

    public function children(): HasMany
    {
        return $this->hasMany(self::class, 'parent_id');
    }

    public function translations(): HasMany
    {
        return $this->hasMany(CategoryTranslation::class);
    }

    /**
     * Name aus der bereits (locale-gefiltert) geladenen Übersetzung, mit
     * `#id`-Fallback, falls keine Übersetzung vorliegt. Erwartet eine
     * eager-geladene `translations`-Relation der gewünschten Sprache.
     */
    public function localizedName(): string
    {
        return $this->translations->first()?->name ?? '#'.$this->id;
    }

    public function pressReleases(): HasMany
    {
        return $this->hasMany(PressRelease::class);
    }

    public function footerCodes(): BelongsToMany
    {
        return $this->belongsToMany(FooterCode::class, 'category_footer_code');
    }
}