gruene-seele/app/Models/Production.php

<?php

namespace App\Models;

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

class Production extends Model
{
    use SoftDeletes;

    /** AP-43: Entwurf — gespeichert, aber noch nicht gebucht. */
    public const STATUS_DRAFT = 'draft';

    /** AP-43: Abgeschlossen — Bestand gebucht (Alt-Verhalten, Default). */
    public const STATUS_COMPLETED = 'completed';

    protected $fillable = [
        'product_id',
        'location_id',
        'produced_by',
        'produced_at',
        'quantity',
        'notes',
        'mhd_warning',
        'status',
    ];

    /**
     * AP-43: true, solange die Produktion ein Entwurf ist (kein Bestand gebucht).
     */
    public function isDraft(): bool
    {
        return $this->status === self::STATUS_DRAFT;
    }

    /**
     * AP-43: Nur gebuchte (abgeschlossene) Produktionen — Entwürfe zählen nicht
     * in Bestands-/Verbrauchsberechnungen.
     *
     * @param  Builder<Production>  $query
     * @return Builder<Production>
     */
    public function scopeBooked($query)
    {
        return $query->where('status', '!=', self::STATUS_DRAFT);
    }

    /**
     * @return array<string, string>
     */
    protected function casts(): array
    {
        return [
            'produced_at' => 'date',
            'mhd_warning' => 'boolean',
        ];
    }

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

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

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

    /**
     * @return HasMany<ProductionIngredient, $this>
     */
    public function productionIngredients(): HasMany
    {
        return $this->hasMany(ProductionIngredient::class);
    }

    /**
     * @return HasMany<ProductionPackaging, $this>
     */
    public function productionPackagings(): HasMany
    {
        return $this->hasMany(ProductionPackaging::class);
    }

    /**
     * AP-28: Produktionsergebnis-Zeilen — buchen den Produktbestand;
     * `quantity` an der Produktion ist nur noch die Planung.
     *
     * @return HasMany<ProductionOutput, $this>
     */
    public function outputs(): HasMany
    {
        return $this->hasMany(ProductionOutput::class)->orderBy('pos')->orderBy('id');
    }
}