340 lines
16 KiB
PHP
340 lines
16 KiB
PHP
<?php
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namespace app\common\service;
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use think\Db;
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use think\Exception;
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class UserCartService{
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const APP_DEFAULT_IMG_URL = 'ydyd-develop-file.oss-cn-hangzhou.aliyuncs.com/pc_shop_pic_url_1588925532218.jpg';
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public function getAll($user_data){
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$order = [];
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$order['uc.update_time'] = 'desc';
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$order['uc.id'] = 'desc';
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$fields = 'uc.id,g.name,m.name as manufacturer_name,g.pc_thumb,g.spec_desc,g.unit,uc.unit_price as price,uc.user_id,uc.price_id,';
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$fields .= 'sku.batch_id,spu.goods_id,spu.retail_flag,spu.retail_num,spu.entirety_num,spu.batch_type,';
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$fields .= 'spu.term_validity,spu.supplier_user_id,spu.supplier_id,spu.supplier_sn,spu.batch_number,spu.batch_status,';
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$fields .= 'uc.goods_number as num,1 as can_select,';
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$fields .= 'spu.stock_num,g.status,g.is_online_sale,spu.batch_status,sku.is_onshelf,sku.is_delete,';//下文校验字段
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//限购字段
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$fields .= 'g.max_purchase,g.max_purchase_period,g.unit';
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$data = Db::name('user_cart')->alias('uc')->field($fields)->field($fields)
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->join('goods_batch_area_relation sku','uc.price_id=sku.id')
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->join('goods_batch spu','sku.batch_id=spu.batch_id')
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->join('goods g','g.goods_id=spu.goods_id')
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->join('manufacturer m','m.id=g.manufacturer_id')->order($order)
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->where('user_id',$user_data['user_id'])->select();
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//校验
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$available_goods = [];
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$inavailable_goods = [];
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if ($data && is_array($data)){
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foreach ($data as $key=>$value){
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//限购
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$data[$key]['is_limit'] = 0;
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//$data[$key]['limit_info'] = '';
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//限购逻辑：优势+限购周期+限购量
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if ($value['supplier_id']!=10006 &&isset($value['max_purchase'])&&isset($value['max_purchase_period'])&&$value['max_purchase']&&$value['max_purchase_period']){
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$data[$key]['is_limit'] = 1;
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$data[$key]['limit_info'] = $value['max_purchase_period'].'天内限购'.$value['max_purchase'].$value['unit'];
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}
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$errmsg = '';
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if ($value['status']!=1){
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$errmsg .= '商品状态异常!';
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}
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if ($value['batch_status']!=1){
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$errmsg .= '药品已下架';
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}
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if ($value['is_online_sale']==1){
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$errmsg .= '非网售药品,请联系客服！';
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}
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if ($value['is_onshelf']==0){
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$errmsg .= '已下架！';
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}
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if ($value['is_delete']==1){
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$errmsg .= 'sku is deleted！';
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}
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//采购权限暂不校验
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//库存
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if ($value['stock_num']<$value['num'] || $value['stock_num']<=0){
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$errmsg .= '库存不足';
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}
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$tmp_data = $data[$key];
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if (empty($tmp_data['pc_thumb'])){
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$tmp_data['pc_thumb'] = $tmp_data['app_thumb']?:self::APP_DEFAULT_IMG_URL;
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}
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if($tmp_data['pc_thumb'] == 'www.hyey.cn'){
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$tmp_data['pc_thumb'] = self::APP_DEFAULT_IMG_URL;
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}
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$tmp_data['can_select'] = 1;
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$tmp_data['total_price'] = ceil($tmp_data['price']*$tmp_data['num']*100)/100;//金额保留两位小数
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if ($errmsg){
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$tmp_data['can_select'] = 0;
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$tmp_data['warn_info'] = $errmsg;
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$inavailable_goods[] = $tmp_data;
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}else{
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$available_goods[] = $tmp_data;
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}
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}
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}
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$res = [];
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$res['errcode'] = 200;
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$res['errmsg'] = 'SUCCESS';
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$res['data'] = ['available_goods'=>$available_goods,'inavailable_goods'=>$inavailable_goods];
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return $res;
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}
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public function addGoods($user_data,$param){
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$price_id = $param['gba_id'];
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//立即购买
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$add_type = false;
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if (isset($param['add_type']) && $param['add_type']=='buy'){
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$add_type = true;
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}
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if (isset($param['goods_number'])){
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$param['goods_number'] = (int)$param['goods_number'];
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if ($param['goods_number']<0){
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throw new Exception('数量不能为负！',-100);
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}
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}
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$fields = 'g.name,g.goods_id,g.max_purchase_period,g.max_purchase,g.unit,g.pc_thumb,g.pc_gallery,g.sketch,g.drug_form,g.spec_desc,g.pc_content,g.show_price,g.country_code,';
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$fields .= 'spu.stock_num,spu.batch_id,spu.batch_type,spu.retail_num,spu.batch_number,spu.retail_flag,spu.entirety_num,spu.term_validity,spu.supplier_sn,spu.supplier_id,';
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$fields .= 'm.name as manufacturer_name,';
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$fields .= 'sku.price as unit_price,sku.price_type,sku.new_price,sku.discount_price,sku.discount_num,sku.discount_start_time,sku.discount_end_time';
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$add_data = Db::name('goods_batch_area_relation')->alias('sku')->field($fields)
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->join('goods_batch spu','sku.batch_id=spu.batch_id')
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->join('goods g','spu.goods_id=g.goods_id')
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->join('manufacturer m','m.id=g.manufacturer_id')
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->where('sku.id',$price_id)->find();
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//价格处理
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$date_now = time();
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$sale_pack_num = $add_data['retail_flag']==0?$add_data['retail_num']:$add_data['entirety_num'];
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//活动价
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if ( $add_data['supplier_id']!=10006 && isset($add_data['discount_price']) && ((!$add_data['discount_start_time'] && !$add_data['discount_end_time']) || ($add_data['discount_start_time']<$date_now && $add_data['discount_end_time']>$date_now)) && ($add_data['discount_num']>=$sale_pack_num || $add_data['discount_num']==0)){
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if ($add_data['discount_price']*10000){
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$add_data['unit_price'] = $add_data['discount_price'];
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}
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//$add_data['stock_num'] = $add_data['discount_num'];
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}
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//新人价
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if ($user_data['is_new_user']==1){
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if ( $add_data['supplier_id']!=10006 && isset($add_data['new_price']) && ((!$add_data['discount_start_time'] && !$add_data['discount_end_time']) || ($add_data['discount_start_time']<$date_now && $add_data['discount_end_time']>$date_now)) && ($add_data['discount_num']>=$sale_pack_num || $add_data['discount_num']==0)){
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if ($add_data['new_price']*10000){
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$add_data['unit_price'] = $add_data['new_price'];
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}
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//$add_data['stock_num'] = $add_data['discount_num'];
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}
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}
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//库存校验 自营+流通
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if ($param['goods_number'] > $add_data['stock_num']){
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throw new Exception('库存不足',-156);
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}
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if ($add_data){
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$tmp = [];
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$tmp['user_id'] = $user_data['user_id'];
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$tmp['price_type'] = $add_data['price_type'];
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$tmp['price_id'] = $price_id;
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$exist_in_cart = [];//用于下文校验购物车中是否已存在where判断
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$exist_in_cart[] = ['user_id','=',$user_data['user_id']];
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$exist_in_cart[] = ['price_type','=',$add_data['price_type']];
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$exist_in_cart[] = ['price_id','=',$price_id];
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$tmp['batch_id'] = $add_data['batch_id'];
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$tmp['unit_price'] = $add_data['unit_price'];
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$tmp['goods_number'] = $param['goods_number'];
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$date_time = date('Y-m-d H:i:s');
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$tmp['create_time'] = $date_time;
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$tmp['update_time'] = $date_time;
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$tmp['type'] = '';
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//流通
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if ($add_data['supplier_id']==10006){
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$price = Db::name('hy_data')->where('sn',$add_data['supplier_sn'])->limit(1)->value('price');
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if ($price){
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$extend_price_rate = $user_data['extend_price_rate']??1.05;
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$tmp['unit_price'] = ceil($price*$extend_price_rate*100)/100;
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$tmp['batch_id'] = $add_data['supplier_sn'];//兼容pc-此处存储extend_goods_id即supplier_sn
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$extend_data = [];
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$extend_data['name'] = $add_data['name'];
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$extend_data['unit'] = $add_data['unit'];
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$extend_data['price'] = $add_data['unit_price'];
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$extend_data['sketch'] = $add_data['sketch'];
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$extend_data['gallery'] = $add_data['pc_gallery'];
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$extend_data['can_show'] = 1;
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$extend_data['batch_id_plat'] = $add_data['batch_id']??'';//冗余存储当前batch_id（已入库）
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$extend_data['drug_form'] = $add_data['drug_form'];
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$extend_data['spec_desc'] = $add_data['spec_desc'];
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$extend_data['stock_num'] = $add_data['stock_num'];
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$extend_data['pc_content'] = $add_data['pc_content'];
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$extend_data['retail_flag'] = $add_data['retail_flag'];
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$extend_data['batch_number'] = $add_data['retail_num'];
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$extend_data['country_code'] = $add_data['country_code'];
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$extend_data['retail_num'] = $add_data['retail_num'];
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$extend_data['entirety_num'] = $add_data['entirety_num'];
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$extend_data['term_validity'] = $add_data['term_validity'];
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$extend_data['extend_goods_id'] = $add_data['supplier_sn'];
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$extend_data['manufacturer_name'] = $add_data['manufacturer_name'];
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$extend_data['show_price_int'] = (int)$add_data['show_price'];
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$extend_data['show_price_float'] = explode('.',$add_data['show_price'])[1];
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$extend_data_json = json_encode($extend_data,JSON_UNESCAPED_UNICODE);
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$tmp['type'] = 'extend';
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$tmp['extend_data'] = $extend_data_json;
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}else{
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throw new Exception('商品已下架！',-504);
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}
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}
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$exist = Db::name('user_cart')->field('id as uc_id,goods_number,user_id,price_id')->where($exist_in_cart)->find();
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//自营商品控销权限
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if (isset($add_data['batch_type']) && $add_data['batch_type']==2 && $add_data['supplier_id']!=10006){
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$cart_num_now = $exist['goods_number']??0;
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$check_array = $this->checkPurchaseAuth($user_data['user_id'],$add_data['goods_id']);
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if ($check_array['errcode']!==200){
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throw new Exception($check_array['errmsg'],$check_array['errcode']);
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}
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}
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//限购-自营商品
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if ($add_data['supplier_id']!=10006 && $add_data['max_purchase_period'] && $add_data['max_purchase']){
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$cart_num_now = $exist['goods_number']??0;
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$to_add_now = $param['goods_number']??0;
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$check_array = $this->checkMaxPurchase($user_data['user_id'],$add_data,$cart_num_now,$to_add_now);
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if ($check_array['errcode']!==200){
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throw new Exception($check_array['errmsg'],$check_array['errcode']);
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}
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}
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if ($exist){
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$uc_id = $exist['uc_id'];
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//非立即购买情况下，进行累加；立即购买情况下直接更新为当前提交数量
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if (!$add_type){
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$tmp['goods_number'] += $exist['goods_number'];
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}
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$tmp['id'] = $uc_id;
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//首次加入购物车时间不更新
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unset($tmp['create_time']);
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Db::name('user_cart')->update($tmp);
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}else{
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$uc_id = Db::name('user_cart')->insertGetId($tmp);
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}
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if ($uc_id){
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$res = [];
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$res['errcode'] = 200;
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$res['errmsg'] = 'SUCCESS';
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$res['uc_id'] = $uc_id;
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return $res;
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}else{
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throw new Exception('系统异常',-506);
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}
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}else{
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throw new Exception('商品已下架',-505);
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}
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}
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/**
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* 采购权-控销
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*/
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public function checkPurchaseAuth($user_id,$goods_id){
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$where = [];
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$where[] = ['goods_id','=',$goods_id];
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$where[] = ['user_id','=',$user_id];
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$where[] = ['status','=',1];
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$res = [];
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$goods_limit_check = Db::name('goods_limit_relation')->where($where)->find();
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if ($goods_limit_check){
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switch ($goods_limit_check['status']){
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case 0:
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$res['errcode'] = 500;
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$res['errmsg'] = '采购权申请中,等待审核通过后购买！';
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break;
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case 1:
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$res['errcode'] = 200;
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$res['errmsg'] = '采购权已通过！';
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break;
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case 2:
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$res['errcode'] = 700;
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$res['errmsg'] = '采购权申请未通过!请咨询客服！';
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}
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}else{
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$res['errcode'] = -1;
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$res['errmsg'] = '当前商品为控销商品,尚未未申请采购权！';
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}
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return $res;
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}
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/**
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* 限购处理
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* @param $user_id Int 用户id
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* @param $goods_data array 限购商品数据
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* @param $cart_num_now Int 购物车商品数量
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* @return array
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*/
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public function checkMaxPurchase($user_id,$goods_data,$cart_num_now=0,$to_add_now=0){
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//判断药品是否设了购买数量设置，未限制的max_purchase_period为0，不进入该处理过程
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$res_result = [];
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if ($goods_data['max_purchase_period']){
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$day_limit = $goods_data['max_purchase_period'];
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$limit_time = date("Y-m-d H:i:s",strtotime("- $day_limit days"));//截止至当前时间的该时间周期内
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$_where = [];
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$_where[] = ['oi.user_id','=',$user_id];
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$_where[] = ['oi.status','in',[0,1,6,7]];
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$_where[] = ['oi.create_time','>',$limit_time];
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$_where[] = ['og.goods_id','=',$goods_data['goods_id']];
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//上述时间周期内已购买商品数量总和
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$bought_goods_num = Db::name("order_info")->alias("oi")->join("order_goods og","oi.order_id = og.order_id")->where($_where)->sum("og.goods_number");
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//可采购数量待处理; 标准 $can_buy_num = $goods_info['max_purchase'] - $bought_goods_num;(该值(负数、0、正数 )+ 包装数量)
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if ($goods_data['max_purchase'] <= $bought_goods_num){
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$res_result['errcode'] = -1;
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$res_result['errmsg'] = "限购商品,最近限购周期内已达最大采购量";//购物车中处理成失效商品?
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}else{
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$can_put_in_cart_num = $goods_data['max_purchase'] - $bought_goods_num - $cart_num_now-$to_add_now;
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if ($can_put_in_cart_num>=0){
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//不阻断，允许继续加入购物车
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$res_result['errcode'] = 200;
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$res_result['errmsg'] = 'SUCCESS';
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}else{
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//阻断
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$res_result['errcode'] = 500;
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$res_result['errmsg'] = '限购商品,已达到最大可购买量';
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//$res_result['errmsg'] = '限购商品,'.$day_limit.'天内限购'.$goods_data['max_purchase'].$goods_data['unit'].',最近'.$day_limit.'天内已购'.$bought_goods_num.$goods_data['unit'].',当前最多可继续加入购物车'.$can_put_in_cart_num.$goods_data['unit'];
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}
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}
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}else{
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$res_result['errcode'] = 200;
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$res_result['errmsg'] = 'SUCCESS';
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}
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return $res_result;
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}
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} |