voucher/app/Models/Voucher.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Support\Str;

class Voucher extends Model
{
    const UNSOLD = 0;

    const SOLD = 1;

    protected $fillable = [
        'name',
        'description',
        'location_id',
        'username',
        'password',
        'price_coin', // harga voucher untuk ditukarkan dengan coin
        'price', // harga jual
        'discount',
        'display_price', //yang di input user
        'quota',
        'profile',
        'comment',
        'expired',
        'expired_unit',
        'is_sold', //menandakan sudah terjual atau belum
        // batch pada saat import , jadi ketika user ingin beli akan tetapi sudah sold ,
        // maka akan dicarikan voucher lain dari batch yang sama
        'batch_id',
    ];

    protected $appends = ['display_quota', 'display_expired', 'validate_price', 'validate_display_price'];

    protected static function booted(): void
    {
        static::creating(function (Voucher $voucher) {
            if ($voucher->batch_id == '') {
                $voucher->batch_id = Str::ulid();
            }
            if ($voucher->price == '') {
                $price = $voucher->display_price;
                if ($voucher->discount > 0) {
                    $price = $voucher->display_price - round($voucher->display_price * ($voucher->discount / 100), 2);
                }

                $voucher->price = $price;
            }
        });

        static::updating(function (Voucher $voucher) {
            $price = $voucher->display_price;
            if ($voucher->discount > 0) {
                $price = $voucher->display_price - round($voucher->display_price * ($voucher->discount / 100), 2);
            }

            $voucher->price = $price;
        });
    }

    public function displayQuota(): Attribute
    {
        return Attribute::make(get: function () {
            return round($this->quota / (1024 * 1024 * 1024), 2).' GB';
        });
    }

    public function displayExpired(): Attribute
    {
        return Attribute::make(get: function () {
            return $this->expired.' '.$this->expired_unit;
        });
    }

    public function validatePrice(): Attribute
    {
        return Attribute::make(get: function () {
            if (auth('customer')->check()) {
                if ($this->prices()->count() > 0) {
                    $price = $this->prices()->where('customer_level_id', auth()->user()->customer_level_id)->value('price');

                    return $price;
                }
            }

            return $this->price;
        });
    }

    public function validateDisplayPrice(): Attribute
    {
        return Attribute::make(get: function () {
            if (auth('customer')->check()) {
                if ($this->prices()->count() > 0) {
                    $price = $this->prices()->where('customer_level_id', auth()->user()->customer_level_id)->value('display_price');

                    return $price;
                }
            }

            return $this->display_price;
        });
    }

    public function location()
    {
        return $this->belongsTo(Location::class)->withTrashed();
    }

    public function prices()
    {
        return $this->hasMany(VoucherPrice::class);
    }

    public function shuffle_unsold()
    {
        $voucher = Voucher::where([
            ['is_sold', '=', self::UNSOLD],
            ['batch_id', '=', $this->batch_id],
        ])->first();

        return $voucher;
    }

    public function count_unsold()
    {
        $voucher = Voucher::where([
            ['is_sold', '=', self::UNSOLD],
            ['batch_id', '=', $this->batch_id],
        ])->count();

        return $voucher;
    }

    public function check_stock_notification()
    {
        $count = Voucher::where([
            ['is_sold', '=', self::UNSOLD],
            ['batch_id', '=', $this->batch_id],
        ])->count();

        $treshold = Setting::getByKey('VOUCHER_STOCK_NOTIFICATION');

        if ($count <= $treshold) {
            Notification::create([
                'entity_type' => User::class,
                'description' => 'stok voucher '.$this->location->name.' ( '.$this->profile.' ) '.'tersisa : '.$count,
            ]);
        }
    }
}