star-erp/app/Modules/Procurement/Models/PurchaseOrder.php

<?php

namespace App\Modules\Procurement\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use App\Modules\Inventory\Models\Warehouse;
use App\Modules\Core\Models\User;

class PurchaseOrder extends Model
{
    /** @use HasFactory<\Database\Factories\PurchaseOrderFactory> */
    use HasFactory;
    use \Spatie\Activitylog\Traits\LogsActivity;

    protected $fillable = [
        'po_number',
        'vendor_id',
        'warehouse_id',
        'user_id',
        'order_date',
        'expected_delivery_date',
        'status',
        'total_amount',
        'notes',
    ];

    protected $casts = [
        'order_date' => 'date',
        'expected_delivery_date' => 'date',
        'total_amount' => 'decimal:2',
    ];

    public function getActivitylogOptions(): \Spatie\Activitylog\LogOptions
    {
        return \Spatie\Activitylog\LogOptions::defaults()
            ->logAll()
            ->logOnlyDirty()
            ->dontSubmitEmptyLogs();
    }

    public function tapActivity(\Spatie\Activitylog\Contracts\Activity $activity, string $eventName)
    {
        $snapshot = $activity->properties['snapshot'] ?? [];
        
        $snapshot['po_number'] = $this->po_number;
        
        if ($this->vendor) {
            $snapshot['vendor_name'] = $this->vendor->name;
        }
        if ($this->warehouse) {
            $snapshot['warehouse_name'] = $this->warehouse->name;
        }

        $activity->properties = $activity->properties->merge([
            'snapshot' => $snapshot
        ]);
    }

    public function vendor(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(Vendor::class);
    }

    public function warehouse(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(Warehouse::class);
    }

    public function user(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    public function items(): \Illuminate\Database\Eloquent\Relations\HasMany
    {
        return $this->hasMany(PurchaseOrderItem::class);
    }
}