public function getWasPurchasedAttribute()
    {
        if (Auth::guest()) return false;
        return Auth::user()
            ->orders()
            ->whereSKU($this->attributes['sku'])
            ->whereStatusIn(config('shop.order_status_purchase'))
            ->count() > 0;
    }
public function getWasPurchasedAttribute()
    {
        if (Auth::guest()) return false;
        return Auth::user()
            ->orders()
            ->whereSKU($this->attributes['sku'])
            ->whereStatusIn(config('shop.order_status_purchase'))
            ->count() > 0;
    }
Returns flag indicating if item was purchased by user.

@return bool