vr-shopxo-source/application/service/BuyService.php

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<?php
// +----------------------------------------------------------------------
// | ShopXO 国内领先企业级B2C免费开源电商系统
// +----------------------------------------------------------------------
// | Copyright (c) 2011~2019 http://shopxo.net All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: Devil
// +----------------------------------------------------------------------
namespace app\service;
use think\Db;
use think\facade\Hook;
use app\service\GoodsService;
use app\service\UserService;
use app\service\ResourcesService;
/**
* 购买服务层
* @author Devil
* @blog http://gong.gg/
* @version 0.0.1
* @datetime 2016-12-01T21:51:08+0800
*/
class BuyService
{
/**
* 购物车添加
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-08-29
* @desc description
* @param [array] $params [输入参数]
*/
public static function CartAdd($params = [])
{
// 请求参数
$p = [
[
'checked_type' => 'empty',
'key_name' => 'goods_id',
'error_msg' => '商品id有误',
],
[
'checked_type' => 'empty',
'key_name' => 'stock',
'error_msg' => '购买数量有误',
],
[
'checked_type' => 'min',
'key_name' => 'stock',
'checked_data' => 1,
'error_msg' => '购买数量有误',
],
[
'checked_type' => 'empty',
'key_name' => 'user',
'error_msg' => '用户信息有误',
],
];
$ret = ParamsChecked($params, $p);
if($ret !== true)
{
return DataReturn($ret, -1);
}
// 查询用户状态是否正常
$ret = UserService::UserStatusCheck('id', $params['user']['id']);
if($ret['code'] != 0)
{
return $ret;
}
// 获取商品
$goods_id = intval($params['goods_id']);
$goods = Db::name('Goods')->where(['id'=>$goods_id, 'is_shelves'=>1, 'is_delete_time'=>0])->find();
if(empty($goods))
{
return DataReturn('商品不存在或已删除', -2);
}
// 规格处理
$spec = self::GoodsSpecificationsHandle($params);
// 获取商品基础信息
$goods_base = GoodsService::GoodsSpecDetail(['id'=>$goods_id, 'spec'=>$spec]);
if($goods_base['code'] != 0)
{
return $goods_base;
}
// 添加购物车
$data = [
'user_id' => $params['user']['id'],
'goods_id' => $goods_id,
'title' => $goods['title'],
'images' => $goods['images'],
'original_price'=> $goods_base['data']['original_price'],
'price' => $goods_base['data']['price'],
'stock' => intval($params['stock']),
'spec' => empty($spec) ? '' : json_encode($spec),
];
// 存在则更新
$where = ['user_id'=>$data['user_id'], 'goods_id'=>$data['goods_id'], 'spec'=>$data['spec']];
$temp = Db::name('Cart')->where($where)->find();
if(empty($temp))
{
$data['add_time'] = time();
if(Db::name('Cart')->insertGetId($data) > 0)
{
return DataReturn('加入成功', 0, self::UserCartTotal($params));
}
} else {
$data['upd_time'] = time();
$data['stock'] += $temp['stock'];
if($data['stock'] > $goods['inventory'])
{
$data['stock'] = $goods['inventory'];
}
if(Db::name('Cart')->where($where)->update($data))
{
return DataReturn('加入成功', 0, self::UserCartTotal($params));
}
}
return DataReturn('加入失败', -100);
}
/**
* 商品规格解析
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-09-21
* @desc description
* @param [array] $params [输入参数]
*/
private static function GoodsSpecificationsHandle($params = [])
{
$spec = '';
if(!empty($params['spec']))
{
if(!is_array($params['spec']))
{
$spec = json_decode(htmlspecialchars_decode($params['spec']), true);
} else {
$spec = $params['spec'];
}
}
return empty($spec) ? '' : $spec;
}
/**
* 获取购物车列表
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-08-29
* @desc description
* @param [array] $params [输入参数]
*/
public static function CartList($params = [])
{
// 请求参数
$p = [
[
'checked_type' => 'empty',
'key_name' => 'user',
'error_msg' => '用户信息有误',
],
];
$ret = ParamsChecked($params, $p);
if($ret !== true)
{
return DataReturn($ret, -1);
}
$where = (!empty($params['where']) && is_array($params['where'])) ? $params['where'] : [];
$where['c.user_id'] = $params['user']['id'];
$field = 'c.*, g.title, g.images, g.inventory_unit, g.is_shelves, g.is_delete_time, g.buy_min_number, g.buy_max_number, g.model';
$data = Db::name('Cart')->alias('c')->join(['__GOODS__'=>'g'], 'g.id=c.goods_id')->where($where)->field($field)->select();
// 数据处理
if(!empty($data))
{
foreach($data as &$v)
{
// 规格
$v['spec'] = empty($v['spec']) ? null : json_decode($v['spec'], true);
// 获取商品基础信息
$goods_base = GoodsService::GoodsSpecDetail(['id'=>$v['goods_id'], 'spec'=>$v['spec']]);
if($goods_base['code'] == 0)
{
$v['inventory'] = $goods_base['data']['inventory'];
$v['price'] = (float) $goods_base['data']['price'];
$v['original_price'] = (float) $goods_base['data']['original_price'];
$v['spec_weight'] = $goods_base['data']['weight'];
$v['spec_coding'] = $goods_base['data']['coding'];
$v['spec_barcode'] = $goods_base['data']['barcode'];
} else {
return $goods_base;
}
// 基础信息
$v['goods_url'] = MyUrl('index/goods/index', ['id'=>$v['goods_id']]);
$v['images_old'] = $v['images'];
$v['images'] = ResourcesService::AttachmentPathViewHandle($v['images']);
$v['total_price'] = $v['stock']* ((float) $v['price']);
$v['buy_max_number'] = ($v['buy_max_number'] <= 0) ? $v['inventory']: $v['buy_max_number'];
}
}
return DataReturn('操作成功', 0, $data);
}
/**
* 购物车删除
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-09-14
* @desc description
* @param [array] $params [输入参数]
*/
public static function CartDelete($params = [])
{
// 请求参数
$p = [
[
'checked_type' => 'empty',
'key_name' => 'id',
'error_msg' => '删除数据id有误',
],
[
'checked_type' => 'empty',
'key_name' => 'user',
'error_msg' => '用户信息有误',
],
];
$ret = ParamsChecked($params, $p);
if($ret !== true)
{
return DataReturn($ret, -1);
}
// 查询用户状态是否正常
$ret = UserService::UserStatusCheck('id', $params['user']['id']);
if($ret['code'] != 0)
{
return $ret;
}
// 删除
$where = [
'id' => explode(',', $params['id']),
'user_id' => $params['user']['id']
];
if(Db::name('Cart')->where($where)->delete())
{
return DataReturn('删除成功', 0, self::UserCartTotal($params));
}
return DataReturn('删除失败或资源不存在', -100);
}
/**
* 购物车数量保存
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-09-14
* @desc description
* @param [array] $params [输入参数]
*/
public static function CartStock($params = [])
{
// 请求参数
$p = [
[
'checked_type' => 'empty',
'key_name' => 'id',
'error_msg' => '数据id有误',
],
[
'checked_type' => 'empty',
'key_name' => 'goods_id',
'error_msg' => '商品id有误',
],
[
'checked_type' => 'empty',
'key_name' => 'stock',
'error_msg' => '购买数量有误',
],
[
'checked_type' => 'min',
'key_name' => 'stock',
'checked_data' => 1,
'error_msg' => '购买数量有误',
],
[
'checked_type' => 'empty',
'key_name' => 'user',
'error_msg' => '用户信息有误',
],
];
$ret = ParamsChecked($params, $p);
if($ret !== true)
{
return DataReturn($ret, -1);
}
// 查询用户状态是否正常
$ret = UserService::UserStatusCheck('id', $params['user']['id']);
if($ret['code'] != 0)
{
return $ret;
}
// 更新
$where = [
'id' => intval($params['id']),
'goods_id' => intval($params['goods_id']),
'user_id' => intval($params['user']['id']),
];
$data = [
'stock' => intval($params['stock']),
'upd_time' => time(),
];
if(Db::name('Cart')->where($where)->update($data))
{
return DataReturn('更新成功', 0);
}
return DataReturn('更新失败', -100);
}
/**
* 下订单 - 正常购买
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-09-21
* @desc description
* @param [array] $params [输入参数]
*/
public static function BuyGoods($params = [])
{
// 请求参数
$p = [
[
'checked_type' => 'empty',
'key_name' => 'stock',
'error_msg' => '购买数量有误',
],
[
'checked_type' => 'min',
'key_name' => 'stock',
'checked_data' => 1,
'error_msg' => '购买数量有误',
],
[
'checked_type' => 'empty',
'key_name' => 'goods_id',
'error_msg' => '商品id有误',
],
[
'checked_type' => 'isset',
'key_name' => 'spec',
'error_msg' => '规格参数有误',
],
[
'checked_type' => 'empty',
'key_name' => 'user',
'error_msg' => '用户信息有误',
],
];
$ret = ParamsChecked($params, $p);
if($ret !== true)
{
return DataReturn($ret, -1);
}
// 获取商品
$p = [
'where' => [
'id' => intval($params['goods_id']),
'is_delete_time' => 0,
'is_shelves' => 1,
],
'field' => 'id, id AS goods_id, title, images, inventory_unit, buy_min_number, buy_max_number, model',
];
$ret = GoodsService::GoodsList($p);
if(empty($ret['data'][0]))
{
return DataReturn('资源不存在或已被删除', -10);
}
// 规格
$ret['data'][0]['spec'] = self::GoodsSpecificationsHandle($params);
// 获取商品基础信息
$goods_base = GoodsService::GoodsSpecDetail(['id'=>$ret['data'][0]['goods_id'], 'spec'=>$ret['data'][0]['spec']]);
if($goods_base['code'] == 0)
{
$ret['data'][0]['inventory'] = $goods_base['data']['inventory'];
$ret['data'][0]['price'] = (float) $goods_base['data']['price'];
$ret['data'][0]['original_price'] = (float) $goods_base['data']['original_price'];
$ret['data'][0]['spec_weight'] = $goods_base['data']['weight'];
$ret['data'][0]['spec_coding'] = $goods_base['data']['coding'];
$ret['data'][0]['spec_barcode'] = $goods_base[