<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\Redis;

class ExchangeGoods extends Base
{
    protected $fillable = [];
    protected $guarded = [];

    protected $hidden = ['updated_at','deleted_at'];

    public const STOCKKEY = 'exchange_goods_stock';

    public function getCacheStockAttribute()
    {
        return Redis::get(self::STOCKKEY.$this->id);
    }

    public function updateCacheStock()
    {
        Redis::set(self::STOCKKEY.$this->id, $this->stock);
    }

    public function scopeOrder($query)
    {
        $order = request()->order;
        $order_type = request()->order_type;
        return $query->orderBy($order, $order_type);
    }

    public function scopeIsSale($query)
    {
        return $query->where('is_sale', 1);
    }

    public function scopeIsntSale($query)
    {
        return $query->where('is_sale', 0);
    }

    public function scopeStock($query)
    {
        return $query->where('stock', '>', 0);
    }

    public function scopeShow($query)
    {
        return $query->isSale()->stock();
    }

    public function scopeSale($query)
    {
        $is_sale = request()->is_sale;
        if ($is_sale) {
            return $query->isSale();
        }else {
            return $query->isntSale();
        }
    }

    public function scopeKeywords()
    {   $keyword = request()->keyword;
        return $this->where(function ($sql) use($keyword) {
            $sql->where('title', 'like', '%'.$keyword.'%');
        });
    }

    public function exchangeLogs()
    {
        return $this->hasMany(CoinExchange::class, 'goods_id', 'id');
    }

    public static function hasSaleGoods()
    {
        return self::isSale()->exists();
    }

}