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<?php
namespace App\Http\Model;
use App\Common\ReturnData;
class Cart extends BaseModel
{
//购物车模型
/**
* 关联到模型的数据表
*
* @var string
*/
protected $table = 'cart';
public $timestamps = false;
//购物车商品类型
const CART_GENERAL_GOODS = 0; // 普通商品
const CART_GROUP_BUY_GOODS = 1; // 团购商品
const CART_AUCTION_GOODS = 2; // 拍卖商品
const CART_SNATCH_GOODS = 3; // 夺宝奇兵
const CART_EXCHANGE_GOODS = 4; // 积分商城
//获取列表
public static function getList(array $param)
{
extract($param); //参数:limit,offset
$model = self::join('goods', 'goods.id', '=', 'cart.goods_id')
->where('cart.user_id', $user_id)
->where('goods.status', Goods::STATUS)
->select('cart.*','goods.id as goods_id','goods.title','goods.sn','goods.price as goods_price','goods.market_price','goods.litpic','goods.goods_number as stock','goods.promote_start_date','goods.promote_price','goods.promote_end_date');
$res['count'] = $model->count();
$res['list'] = array();
if($res['count']>0)
{
$res['list'] = $model->get();
foreach ($res['list'] as $k => $v)
{
$res['list'][$k]->is_promote = 0;
if(Goods::bargain_price($v->goods_price,$v->promote_start_date,$v->promote_end_date) > 0){$res['list'][$k]->is_promote = 1;}
//订货数量大于0
if ($v->goods_number > 0)
{
$res['list'][$k]->final_price = Goods::get_final_price($v->goods_id); //商品最终价格
$res['list'][$k]->goods_detail_url = route('weixin_goods_detail',array('id'=>$v->goods_id));
//更新购物车中的商品数量
//self::where('id', $v->id)->update(array('price' => $goods_price));
}
}
}
else
{
return false;
}
return $res;
}
public static function getOne($where)
{
$goods = self::where($where)->first();
return $goods;
}
public static function add(array $data)
{
if ($id = self::insertGetId($data))
{
return $id;
}
return false;
}
public static function modify($where, array $data)
{
if (self::where($where)->update($data))
{
return true;
}
return false;
}
//删除一条记录
public static function remove($id,$user_id)
{
if(!is_array($id)){$id = explode(',', $id);}
if (self::whereIn('id', $id)->where('user_id',$user_id)->delete() === false)
{
return false;
}
return true;
}
/**
* 添加商品到购物车
*
* @access public
* @param integer $goods_id 商品编号
* @param integer $num 商品数量
* @param json $property 规格值对应的id json数组
* @return boolean
*/
public static function cartAdd(array $attributes)
{
extract($attributes);
//获取商品信息
$goods = Goods::where(['id' => $goods_id, 'status' => Goods::STATUS])->first();
if (!$goods)
{
return ReturnData::create(ReturnData::PARAMS_ERROR,null,'商品不存在');
}
//判断库存 是否足够
if($goods['goods_number']<$goods_number)
{
return ReturnData::create(ReturnData::PARAMS_ERROR,null,'库存不足');
}
//判断购物车商品数
if(Cart::where(['user_id'=>$user_id])->count() >= 20)
{
return ReturnData::create(ReturnData::PARAMS_ERROR,null,'购物车商品最多20件');
}
//查看是否已经有购物车插入记录
$where = array(
'user_id' => $user_id,
'goods_id' => $goods_id
);
$cart = Cart::where($where)->first();
if($cart)
{
//更新购物车
$updateArr = array(
'goods_number' => $goods_number,
'add_time' => time(),
);
self::where(array('id'=>$cart->id))->update($updateArr);
$cart_id = $cart->id;
}
else
{
//添加购物车
$cartInsert = array(
'user_id' => $user_id,
'goods_id' => $goods_id,
'goods_number' => $goods_number,
'add_time' => time(),
);
$cart_id = self::insertGetId($cartInsert);
}
return ReturnData::create(ReturnData::SUCCESS,$cart_id,'购物车添加成功');
}
/**
* 清空购物车
*
* @param int $type 类型:默认普通商品
*/
public static function clearCart($user_id)
{
self::where('user_id',$user_id)->delete();
return true;
}
//购物车商品总数量
public static function TotalGoodsCount($user_id)
{
return self::where('user_id',$user_id)->sum('goods_number');
}
//购物车结算商品列表
public static function cartCheckoutGoodsList(array $param)
{
extract($param);
$cartIds = explode("_",$ids);
// 获取购物车列表
$cartList = self::where(array('user_id'=>$user_id))->whereIn('id', $cartIds)->get();
$total_price = 0; //商品总金额
$total_goods = 0; //商品总数量
if(!empty($cartList))
{
$resultList = array();
$checkArr = array();
foreach($cartList as $k=>$v)
{
$goods = Goods::where(array('id'=>$v['goods_id']))->first();
$cartList[$k]->is_promote = 0;
if(Goods::bargain_price($goods->price,$goods->promote_start_date,$goods->promote_end_date) > 0){$cartList[$k]->is_promote = 1;}
$cartList[$k]->final_price = Goods::get_final_price($v['goods_id']); //商品最终价格
$cartList[$k]->goods_detail_url = route('weixin_goods_detail',array('id'=>$v['goods_id']));
$cartList[$k]->title = $goods->title;
$cartList[$k]->litpic = $goods->litpic;
$cartList[$k]->market_price = $goods->market_price;
$cartList[$k]->goods_sn = $goods->sn;
$total_price = $total_price + $cartList[$k]->final_price*$cartList[$k]->goods_number;
$total_goods = $total_goods + $cartList[$k]->goods_number;
}
}
$res['list'] = $cartList;
$res['total_price'] = $total_price;
$res['total_goods'] = $total_goods;
return ReturnData::create(ReturnData::SUCCESS,$res);
}
}