erpsaas/app/Models/Accounting/InvoiceStatusHistory.php

<?php

namespace App\Models\Accounting;

use App\Concerns\CompanyOwned;
use App\Enums\Accounting\InvoiceStatus;
use App\Models\User;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class InvoiceStatusHistory extends Model
{
    use CompanyOwned;
    use HasFactory;

    protected $fillable = [
        'company_id',
        'invoice_id',
        'old_status',
        'new_status',
        'changed_by',
        'changed_at',
    ];

    protected $casts = [
        'changed_at' => 'datetime',
        'old_status' => InvoiceStatus::class,
        'new_status' => InvoiceStatus::class,
    ];

    public function invoice(): BelongsTo
    {
        return $this->belongsTo(Invoice::class);
    }

    public function changedBy(): BelongsTo
    {
        return $this->belongsTo(User::class, 'changed_by');
    }
}