lpj/app/Models/PersetujuanPenawaran.php

<?php

    namespace Modules\Lpj\Models;

    use Modules\Lpj\Models\Base;
    use Modules\Lpj\Models\PenawaranTender;
    use Modules\Lpj\Models\Region;
    use Modules\Usermanagemenet\Models\User;

    class PersetujuanPenawaran extends Base
    {

        protected $table = 'persetujuan_penawaran';

        protected $fillable = [
            'penawaran_id',
            'nomor_proposal_penawaran',
            'tanggal_proposal_penawaran',
            'biaya_final',
            'sla_resume',
            'sla_final',
            'catatan',
            'attachment',
            'region_id',
            'status',
            'authorized_status',
            'authorized_at',
            'authorized_by',
        ];

        protected $casts = [
            'tanggal_proposal_penawaran' => 'date',
            'sla_resume'                 => 'datetime',
            'sla_final'                  => 'datetime',
            'status'                     => 'boolean',
            'authorized_at'              => 'datetime',
        ];

        // Relationship with Penawaran
        public function penawaran()
        {
            return $this->belongsTo(PenawaranTender::class, 'penawaran_id');
        }

        // Relationship with Region
        public function region()
        {
            return $this->belongsTo(Region::class);
        }

        // Relationship with User (for authorized_by)
        public function authorizedBy()
        {
            return $this->belongsTo(User::class, 'authorized_by');
        }
    }