weilaibike-api/app/Models/CouponsUserBag.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class CouponsUserBag extends Model
{
    //
    protected $table = "coupons_user_bags";
    protected $guarded = [];

    const TYPE_ADMIN_GIVE = 1;
    const TYPE_INVITE_NEW_GIVE = 2;
    public static $typeMaps = [
        self::TYPE_ADMIN_GIVE => '后台管理员赠送',
        self::TYPE_INVITE_NEW_GIVE => '邀请新用户赠送',
    ];


    const STATUS_OK = 1;
    const STATUS_NO = 0;
    const STATUS_USED = 2;
    public static $statusMaps = [
        self::STATUS_OK=>'启用',
        self::STATUS_NO=>'停用',
        self::STATUS_USED=>'已使用',
    ];

    const VALID_TYPE_ABSOLUTELY = 1;
    const VALID_TYPE_RELATIVE = 2;
    public static $validTypeMaps = [
        self::VALID_TYPE_ABSOLUTELY => '绝对时效',
        self::VALID_TYPE_RELATIVE => '相对时效',
    ];

    const ORDER_TYPE_NORMAL = 1;
    const ORDER_TYPE_RENT = 2;
    const ORDER_TYPE_ALL = 3;
    public static $orderTypeMaps = [
        self::ORDER_TYPE_NORMAL => '仅普通订单可用',
        self::ORDER_TYPE_RENT => '仅日租订单可用',
        self::ORDER_TYPE_ALL => '所有订单可用',
    ];
    public function getCouponsDataAttribute($value)
    {
        return json_decode($value,true);
    }

    public function setCouponsDataAttribute($value)
    {
        $this->attributes['coupons_data'] = json_encode($value);
    }

    public function users(){
        return $this->belongsTo(User::class,'user_id','id');
    }

    public function coupons(){
        return $this->belongsTo(Coupon::class,'coupon_id','id');
    }


    public static function useCoupon($order_id,$id){
        $couponUsers = self::query()->find($id);
        $couponUsers->status = self::STATUS_USED;
        $couponUsers->order_id = $order_id;
        $couponUsers->save();
        Coupon::couponUsed($couponUsers->coupon_id);
    }
}