Anons79 Mini Shell

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\Pivot;

class PelatihanPeserta extends Model
{
    use HasFactory;

    protected $table = 'pelatihan_pesertas';
    protected $fillable = [
        'pelatihan_id',
        'user_id',
        'peserta_id',
        'status',
        'created_at',
        'review'
    ];

    protected $appends = ['waktu_mendaftar','nomor_sertifikat'];


    public function getWaktuMendaftarAttribute()
    {
        return $this->created_at?$this->created_at->format('Y-m-d H:i:s'):'-';
    }

    public function user(){
        return $this->belongsTo(User::class)->withDefault([
            'nama' => '-'
        ]);
    }

    public function pelatihan(){
        return $this->belongsTo(Pelatihan::class);
    }

    public function jawaban_syarat_pelatihans(){
        return $this->hasMany(JawabanSyaratPelatihan::class);
    }

    public function peserta(){
        return $this->belongsTo(Peserta::class)->withDefault([
            'nama_lengkap' => '-',
            'nik' => '-',
            'email' => null,
            'no_hp' => null,
        ]);
    }

    public function getNomorSertifikatAttribute(){
        if(!$this->pelatihan){
            return "-";
        }
        $noSertifikat = ($this->id+170).'GN-'.date("m/Y",strtotime($this->pelatihan->end_date));
        return $noSertifikat;
    }

  
}