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('user_id', $userId)->where('status', self::Normal)->count();
    }

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

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

    //求购详情
    public static function getProductBuyingDetail(int $buyingId, string $lan)
    {
        return self::alias('a')
            ->join('product_list p', 'a.product_id = p.id')
            ->field('a.*,p.' . $lan . '_name as name,p.thum')
            ->where('a.id', $buyingId)
            ->find();

    }

    //获取订单列表
    public static function getBuyingList(int $productId)
    {
        return self::where('product_id', $productId)->where('status', self::Normal)->field('id,min_price')->order('id desc')->select();
    }

    //获取订单列表
    public static function getUserBuyingList(int $uid, string $lan, int $page)
    {
        return self::alias('a')->where('user_id', $uid)
                ->join('product_list p', 'a.product_id = p.id')
                ->field('a.*,p.' . $lan . '_name as name,p.thum')
                ->order('id desc')
                ->paginate($page);
    }


    //用户
    public function users()
    {
        return $this->hasOne('UserModel', 'id', 'user_id', [], 'LEFT')->setEagerlyType(0);
    }


    //产品
    public function productlists()
    {
        return $this->hasOne('ProductLists', 'id', 'product_id', [], 'LEFT')->setEagerlyType(0);
    }

    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);
    }

}