gruene-seele/app/Models/StockDisposal.php

<?php

namespace App\Models;

use App\User;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\SoftDeletes;

class StockDisposal extends Model
{
    use SoftDeletes;

    protected $fillable = [
        'disposal_type',
        'ingredient_id',
        'packaging_item_id',
        'stock_entry_id',
        'location_id',
        'quantity',
        'unit',
        'reason',
        'note',
        'user_id',
        'disposed_at',
    ];

    /**
     * @return array<string, string>
     */
    protected function casts(): array
    {
        return [
            'disposed_at' => 'date',
            'quantity' => 'decimal:3',
        ];
    }

    /**
     * @return BelongsTo<Ingredient, $this>
     */
    public function ingredient(): BelongsTo
    {
        return $this->belongsTo(Ingredient::class);
    }

    /**
     * @return BelongsTo<PackagingItem, $this>
     */
    public function packagingItem(): BelongsTo
    {
        return $this->belongsTo(PackagingItem::class);
    }

    /**
     * @return BelongsTo<StockEntry, $this>
     */
    public function stockEntry(): BelongsTo
    {
        return $this->belongsTo(StockEntry::class);
    }

    /**
     * @return BelongsTo<Location, $this>
     */
    public function location(): BelongsTo
    {
        return $this->belongsTo(Location::class);
    }

    /**
     * @return BelongsTo<User, $this>
     */
    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    public function isIngredient(): bool
    {
        return $this->disposal_type === 'ingredient';
    }

    public function articleName(): string
    {
        return $this->isIngredient()
            ? ($this->ingredient?->name ?? '—')
            : ($this->packagingItem?->name ?? '—');
    }
}