<?php
namespace app\models;

use core\base\Model;

/**
 * 固定资产模型
 */
class Asset extends Model
{
    protected $table = 'asset';

    public function getAll()
    {
        return $this->order(['id DESC'])->fetchAll();
    }

    public function getById($id)
    {
        return $this->where(['id = :id'], [':id' => $id])->fetch();
    }

    public function getCount()
    {
        $sql = 'SELECT COUNT(*) AS cnt, SUM(purchase_price * quantity) AS total_value FROM ' . $this->getTable();
        $stmt = $this->pdo->prepare($sql);
        $stmt->execute();
        return $stmt->fetch();
    }

    public function getByStatus($status)
    {
        return $this->where(['status = :st'], [':st' => $status])->order(['id DESC'])->fetchAll();
    }
}