RWACha-API/application/common/model/ProductBuying.php

<?php

namespace app\common\model;

use think\Model;

class ProductBuying extends Model
{

    protected $name = "product_buying";

    // 自动写入时间戳字段
    protected $autoWriteTimestamp = 'int';

    // 定义时间戳字段名
    protected $createTime = 'create_time';
    protected $updateTime = 'update_time';
    protected $deleteTime = false;

    // 追加属性
    protected $append = [
        'create_time_text',
        'update_time_text'
    ];


    //1 正常 2 已出售 0 关闭
    const Normal    = 1;
    const SaleOut   = 2;
    const Close     = 0;


    /*
     * 订单状态
     */
    public $aciton_name = [
        '-1'                => '全部',
        self::Normal        => '待成交',
        self::SaleOut       => '已成交',
        self::Close         => '已取消',
    ];

    public static function getProductBuyingMaxPrice(int $productId)
    {
        return self::where('product_id', $productId)->max('min_price');
    }

    //用户购买套数
    public static function getProductBuyingCount(int $userId, int $productId)
    {
        return self::where('product_id', $productId)->where('user_id', $userId)->where('status', self::Normal)->count();
    }

    //创建订单
    public static function setCreateBuying(int $userId, int $productId, int $num, float $minPrice, float $totalPrice)
    {

        return self::create([
            'user_id'       => $userId,
            'product_id'    => $productId,
            'num'           => $num,
            'min_price'     => $minPrice,
            'total_price'   => $totalPrice
        ]);
    }

    //获取订单列表
    public function getBuyingList(int $userId, int $page, int $size, int $status)
    {
        $where = [
            'user_id'   => $userId,
           'status'    => $status,
        ];
        $list = $this->where($where)->page($page, $size)->order('id desc')->select();
        $count = $this->where($where)->count();
        return compact('list', 'count');
    }

    public function getCreateTimeTextAttr($value, $data)
    {
        $value = $value ? $value : (isset($data['create_time']) ? $data['create_time'] : '');
        return is_numeric($value) ? date("Y-m-d H:i:s", $value) : $value;
    }


    public function getUpdateTimeTextAttr($value, $data)
    {
        $value = $value ? $value : (isset($data['update_time']) ? $data['update_time'] : '');
        return is_numeric($value) ? date("Y-m-d H:i:s", $value) : $value;
    }

    protected function setCreateTimeAttr($value)
    {
        return $value === '' ? null : ($value && !is_numeric($value) ? strtotime($value) : $value);
    }

    protected function setUpdateTimeAttr($value)
    {
        return $value === '' ? null : ($value && !is_numeric($value) ? strtotime($value) : $value);
    }

}