store/app/Models/Purchase.php

<?php

namespace App\Models;

use App\Enums\OwnerVerificationStatus;
use App\Models\Concerns\HasModuleMedia;
use App\Models\Concerns\HasPendingOwnerVerification;
use App\Models\Concerns\InteractsWithActivityLog;
use Illuminate\Database\Eloquent\Attributes\Appends;
use Illuminate\Database\Eloquent\Attributes\Guarded;
use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\MorphMany;
use Illuminate\Database\Eloquent\Relations\MorphOne;
use Illuminate\Database\Eloquent\SoftDeletes;
use Spatie\MediaLibrary\HasMedia;

#[Guarded(['id'])]
#[Appends([
    'created_at_formatted',
    'discount_formatted',
    'shipping_cost_formatted',
    'subtotal_formatted',
    'total_formatted',
    'total_quantity_formatted',
])]
class Purchase extends Model implements HasMedia
{
    // 1. Use Trait
    use HasFactory, HasModuleMedia, HasPendingOwnerVerification, InteractsWithActivityLog, SoftDeletes;

    // 2. Casting
    protected function casts(): array
    {
        return [
            'discount' => 'integer',
            'shipping_cost' => 'integer',
            'subtotal' => 'integer',
            'total' => 'integer',
        ];
    }

    // 3. Attribute
    public function createdAtFormatted(): Attribute
    {
        return Attribute::make(
            get: fn () => $this->created_at?->translatedFormat('l, d F Y H:i'),
        );
    }

    public function discountFormatted(): Attribute
    {
        return Attribute::make(
            get: fn () => 'Rp '.number_format($this->discount, 0, ',', '.'),
        );
    }

    public function shippingCostFormatted(): Attribute
    {
        return Attribute::make(
            get: fn () => 'Rp '.number_format($this->shipping_cost, 0, ',', '.'),
        );
    }

    public function subtotalFormatted(): Attribute
    {
        return Attribute::make(
            get: fn () => 'Rp '.number_format($this->subtotal, 0, ',', '.'),
        );
    }

    public function totalFormatted(): Attribute
    {
        return Attribute::make(
            get: fn () => 'Rp '.number_format($this->total, 0, ',', '.'),
        );
    }

    public function totalQuantityFormatted(): Attribute
    {
        return Attribute::make(
            get: function () {
                $groups = [];

                foreach ($this->items as $item) {
                    $unit = $item->unit_abbreviation ?? $item->rawMaterialPrice?->rawMaterial?->unit?->abbreviation() ?? '';
                    $groups[$unit] = ($groups[$unit] ?? 0) + (float) $item->quantity;
                }

                return collect($groups)
                    ->filter(fn (float $total) => $total > 0)
                    ->map(function (float $total, string $unit) {
                        $formatted = rtrim(rtrim(number_format($total, 2, ',', '.'), '0'), ',');
                        return "{$formatted} {$unit}";
                    })
                    ->join(', ');
            },
        );
    }

    // 4. Other Methods
    public static function mediaModuleName(): string
    {
        return 'purchase';
    }

    public function registerMediaCollections(): void
    {
        $this->addMediaCollection('photos');
    }

    // 5. Relation
    public function createdBy(): BelongsTo
    {
        return $this->belongsTo(User::class, 'created_by_id');
    }

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

    public function ownerVerificationRequests(): MorphMany
    {
        return $this->morphMany(OwnerVerificationRequest::class, 'subject');
    }

    public function pendingOwnerVerificationRequest(): MorphOne
    {
        return $this->morphOne(OwnerVerificationRequest::class, 'subject')
            ->where('status', OwnerVerificationStatus::PENDING)
            ->latestOfMany();
    }

    public function supplier(): BelongsTo
    {
        return $this->belongsTo(Supplier::class)->withTrashed();
    }
}