yueshengshop/app/model/goods/Cart.php

<?php
/**
 * Niushop商城系统 - 团队十年电商经验汇集巨献!
 * =========================================================
 * Copy right 2019-2029 山西牛酷信息科技有限公司, 保留所有权利。
 * ----------------------------------------------
 * 官方网址: https://www.niushop.com.cn
 * 这不是一个自由软件！您只能在不用于商业目的的前提下对程序代码进行修改和使用。
 * 任何企业和个人不允许对程序代码以任何形式任何目的再发布。
 * =========================================================
 */

namespace app\model\goods;


use app\model\BaseModel;

/**
 * 购物车
 */
class Cart extends BaseModel
{
	
	/**
	 * 添加购物车
	 * @param unknown $data
	 */
	public function addCart($data)
	{
		$cart_info = model("goods_cart")->getInfo([ [ 'sku_id', '=', $data['sku_id'] ], [ 'member_id', '=', $data['member_id'] ] ], 'cart_id, num');
		if (!empty($cart_info)) {
			$res = model("goods_cart")->update([ 'num' => $cart_info['num'] + $data['num'] ], [ [ 'cart_id', '=', $cart_info['cart_id'] ] ]);
		} else {
			$res = model("goods_cart")->add($data);
		}
		return $this->success($res);
	}
	
	/**
	 * 更新购物车商品数量
	 * @param unknown $data
	 */
	public function editCart($data)
	{
		$res = model("goods_cart")->update([ 'num' => $data['num'] ], [ [ 'cart_id', '=', $data['cart_id'] ], [ 'member_id', '=', $data['member_id'] ] ]);
		return $this->success($res);
	}
	
	/**
	 * 删除购物车商品项(可以多项)
	 * @param unknown $data
	 */
	public function deleteCart($data)
	{

        $res = model("goods_cart")->delete([ [ 'cart_id', '=', $data['cart_id'] ], [ 'member_id', '=', $data['member_id'] ] ]);
		return $this->success($res);
	}
	
	/**
	 * 清空购物车
	 * @param unknown $data
	 */
	public function clearCart($data)
	{
		$res = model("goods_cart")->delete([ [ 'member_id', '=', $data['member_id'] ] ]);
		return $this->success($res);
	}
	
	/**
	 * 获取会员购物车
	 * @param unknown $member_id
	 */
	public function getCart($member_id)
	{
		$field = 'ngc.cart_id, ngc.site_id, ngc.member_id, ngc.sku_id, ngc.num,ngc.create_time,ngs.goods_id, ngs.sku_name,
            ngs.sku_no, ngs.sku_spec_format, ngs.price, ngs.market_price, ngs.cost_price, 
            ngs.discount_price, ngs.promotion_type, ngs.start_time, ngs.end_time, ngs.stock, 
            ngs.sku_image, ngs.sku_images, ngs.site_name, ngs.website_id, ngs.is_own, ngs.goods_state, 
            ngs.verify_state, ngs.verify_state_remark, ngs.goods_stock_alarm, ngs.is_virtual, 
            ngs.virtual_indate, ngs.is_free_shipping, ngs.shipping_template, ngs.unit, ngs.introduction, ngs.keywords,ngs.is_delete';
		$alias = 'ngc';
		$join = [
			[
				'goods_sku ngs',
				'ngc.sku_id = ngs.sku_id',
				'inner'
			],
		];
		$list = model("goods_cart")->getList([ [ 'ngc.member_id', '=', $member_id ] ], $field, 'ngc.create_time desc', $alias, $join);
		return $this->success($list);
	}
	
	/**
	 * 获取购物车数量
	 * @param unknown $member_id
	 */
	public function getCartCount($member_id)
	{
		$list = model("goods_cart")->getCount([ [ 'member_id', '=', $member_id ] ]);
		return $this->success($list);
	}
}