applet_id = $applet_id; $this->shop_id = $shop_id; $this->user_id = $user_id; $this->table_id = $table_id; $cart = Cache::get('food_cart_' . $applet_id) ?: []; if(isset($cart[$shop_id])){ $cart = $cart[$shop_id]; } if(empty($table_id)){ if(isset($cart['user_' . $user_id])){ $this->cart = $cart['user_' . $user_id]; } }else{ if(isset($cart['table_' . $table_id])){ $this->cart = $cart['table_' . $table_id]; } } } /** * 获取购物车内容 */ public function getCart() { return $this->cart; } public function getList($order_mode) { // 商品列表 $goodsList = []; $goodsIds = array_unique(array_column($this->cart, 'goods_id')); foreach ((new Goods)->getListByIds($goodsIds) as $goods) { $goodsList[$goods['goods_id']] = $goods; } $pack_price = 0;//餐盒费 $min_price = 0;//起送价价 // 购物车商品列表 $cartList = []; foreach ($this->cart as $key => $cart) { // 判断商品不存在则自动删除 if (!isset($goodsList[$cart['goods_id']])) { $this->delete($cart['goods_id'], $cart['goods_sku_id']); continue; } $goods = clone $goodsList[$cart['goods_id']]; // 商品sku信息 $goods['goods_sku_id'] = $cart['goods_sku_id']; // 商品sku不存在则自动删除 if (!$goods['goods_sku'] = $goods->getGoodsSku($cart['goods_sku_id'])) { $this->delete($cart['goods_id'], $cart['goods_sku_id']); continue; } // 判断商品是否下架 if ($goods['goods_status']['value'] != 10) { $this->setError('很抱歉，商品 [' . $goods['goods_name'] . '] 已下架'); } //计算餐盒费 if($order_mode == 20 OR $order_mode == 30){ if($goods['pack_price']>0){ $pack_price = $pack_price + $goods['pack_price']*$cart['goods_num']; } } // 商品单价 $goods['goods_price'] = $goods['goods_sku']['goods_price']; // 商品总价 $goods['total_num'] = $cart['goods_num']; $goods['total_price'] = $total_price = bcmul($goods['goods_price'], $cart['goods_num'], 2); $cartList[] = $goods->hidden(['category', 'content', 'spec']); } // 商品总金额 $orderTotalPrice = Helper::getArrayColumnSum($cartList, 'total_price'); //餐盒费加入总价 $order_pay_price = $orderTotalPrice + $pack_price; //如果是外卖 if($order_mode == 20){ $delivery = Setting::getItem('delivery'); if($delivery['min_price'] > $order_pay_price){ $min_price = $delivery['min_price'] - $order_pay_price;// 起送价价 } } return [ 'coupon_list' => null, //优惠券列表 'gift' => null,//赠品 'goods_list' => $cartList, // 商品列表 'order_total_num' => $this->getTotalNum(), // 商品总数量 'order_total_price' => Helper::number2($orderTotalPrice),// 商品总金额 'order_pay_price' => Helper::number2($order_pay_price), // 实际支付金额+餐盒费 'pack_price' => Helper::number2($pack_price), // 餐盒费用 'min_price' => Helper::number2($min_price),//最低启送价 'delivery_price' => Helper::number2(0),//配送费用 'activity_price' => Helper::number2(0),//优惠费用 'vip_price' => Helper::number2(0),//优惠费用 'address' => null,//收货地址 'intra_region' => false,//是否超出配送范围 'free_delivery' => false,//免配送费 'has_error' => $this->hasError(), 'error_msg' => $this->getError(), ]; } /** * 购物车操作 */ public function edit($data) { //商品数量为空，什么也不做 if($data['goods_num'] == ''){ return true; } //商品数量0为删除 if($data['goods_num'] == 0){ return $this->delete($data); } // 购物车商品索引 $index = $data['goods_id'] . '_' . $data['goods_sku_id']; // 商品信息 $goods = Goods::detail($data['goods_id']); // 判断商品是否下架 if ($goods['goods_status']['value'] != 10) { $this->setError('很抱歉，该商品已下架'); return false; } $data['create_time'] = time(); //判断起售数量 if($data['goods_num'] < (int)$goods['start_sale']){ $data['goods_num'] = (int)$goods['start_sale']; } $this->cart[$index] = $data; return true; } /** * 添加购物车 */ public function add($data) { // 购物车商品索引 $index = $data['goods_id'] . '_' . $data['goods_sku_id']; // 商品信息 $goods = Goods::detail($data['goods_id']); // 商品sku信息 //$goods['goods_sku'] = $goods->getGoodsSku($data['goods_sku_id']); // 判断商品是否下架 if ($goods['goods_status']['value'] != 10) { $this->setError('很抱歉，该商品已下架'); return false; } if(!empty($data['cart_type']) && intval($data['cart_type']) === 2){ unset($data['cart_type']); $data['create_time'] = time(); if(isset($this->cart[$index])){ $this->cart[$index]['goods_num'] = $this->cart[$index]['goods_num'] + $data['goods_num']; }else{ // $data['goods_num'] = $goods['start_sale']; $this->cart[$index] = $data; } }else{ $data['create_time'] = time(); if(isset($this->cart[$index])){ $this->cart[$index]['goods_num'] = $this->cart[$index]['goods_num'] + $data['goods_num']; }else{ $data['goods_num'] = $goods['start_sale']; $this->cart[$index] = $data; } } return true; } /** * 减少购物车中某商品数量 */ public function sub($data) { $index = $data['goods_id'] . '_' . $data['goods_sku_id']; $goods_num = $this->cart[$index]['goods_num'] - 1;// 商品信息 $goods = Goods::detail($data['goods_id']); if($goods_num >= 1 and $goods_num >= $goods['start_sale']){ $this->cart[$index]['goods_num'] = $goods_num; }else{ unset($this->cart[$index]); //清空该商品 } return true; } /** * 删除购物车中指定商品 */ public function delete($data) { //为空是商城批量删除 if(empty($data['goods_id'])){ $indexArr = strpos( $data['goods_sku_id'], ',') !== false ? explode(',', $data['goods_sku_id']) : [ $data['goods_sku_id']]; foreach ($indexArr as $index) { if (isset($this->cart[$index])) unset($this->cart[$index]); } }else{ $index = $data['goods_id'] . '_' . $data['goods_sku_id']; if (isset($this->cart[$index])) unset($this->cart[$index]); } return true; } /** * 获取当前用户购物车商品总数量 */ public function getTotalNum() { return array_sum(array_column($this->cart, 'goods_num')); } /** * 析构方法 * 将cart数据保存到缓存文件 */ public function __destruct() { if($this->clear !== true){ $cart = Cache::get('food_cart_' . $this->applet_id) ?: []; if(empty($this->table_id)){ $cart[$this->shop_id]['user_' . $this->user_id] = $this->cart; }else{ $cart[$this->shop_id]['table_' . $this->table_id] = $this->cart; } Cache::set('food_cart_' . $this->applet_id, $cart, 86400); } } /** * 清空当前用户购物车 */ public function clearAll() { $this->clear = true; $cart = Cache::get('food_cart_' . $this->applet_id) ?: []; if(empty($this->table_id)){ $cart[$this->shop_id]['user_' . $this->user_id] = []; }else{ $cart[$this->shop_id]['table_' . $this->table_id] = []; } Cache::set('food_cart_' . $this->applet_id,$cart, 86400); } /** * 设置错误信息 */ private function setError($error) { empty($this->error) && $this->error = $error; } /** * 是否存在错误 */ private function hasError() { return !empty($this->error); } /** * 获取错误信息 */ public function getError() { return $this->error; } }