churen/app/shop/lib/Refund.php

<?php

namespace Shop\Lib;

use Dever;

class Refund
{
	# 设置订单的类型
    public function set($type)
    {
        $this->type = $type;
    	$this->order_table = 'shop/' . $type . '_order';
    	$this->goods_table = 'shop/' . $type . '_order_goods';
        $this->refund_table = 'shop/' . $type . '_order_refund';
        if ($type == 'buy') {
            $this->lib = 'mshop/lib/' . $type;
        } else {
            $this->lib = 'shop/lib/' . $type;
        }

        return $this;
    }

    # 获取退款记录
    public function getList($type, $id, $order_id)
    {
        $data = Dever::load($this->lib)->set($type, 1)->getView($id, $order_id, false);
        $where['order_id'] = $order_id;

        $data = Dever::db($this->refund_table)->select_page($where);

        if ($data) {
            $goods_status = Dever::db($this->goods_table)->config['status'];
            $refund_status = Dever::db($this->refund_table)->config['status'];
            $refund_process = Dever::db($this->refund_table)->config['process'];
            foreach ($data as $k => $v) {
                $data[$k]['cdate'] = date('Y-m-d H:i', $v['cdate']);
                $data[$k]['goods'] = Dever::db($this->goods_table)->getDataByIds(array('ids' => $v['order_goods_id']));
                $data[$k]['status_name'] = $refund_status[$v['status']];
                $data[$k]['process_name'] = $refund_process[$v['process']];
                if ($data[$k]['goods']) {
                    foreach ($data[$k]['goods'] as $k1 => $v1) {
                        $data[$k]['goods'][$k1]['info'] = Dever::load('goods/lib/info')->getPayInfo($v1['goods_id'], $v1['sku_id']);
                        $data[$k]['goods'][$k1]['status_name'] = $goods_status[$v1['status']];
                    }
                }
            }
        }

        return $data;
    }

    # 更新退款记录
    public function up($order_id, $order_goods_id, $status, $price, $num = false, $desc = '', $pic = '', $process = 1)
    {
        $data['order_id'] = $order_id;
        if (!$order_goods_id) {
            $where['order_id'] = $order_id;
            $goods = Dever::db($this->goods_table)->getIds($where);
            if ($goods) {
                $order_goods_id = implode(',', array_keys($goods));
            }
            $data['type'] = 1;
        } else {
            $data['type'] = 2;
        }
        $data['order_goods_id'] = $order_goods_id;
        $info = Dever::db($this->refund_table)->find($data);

        $data['status'] = $status;
        $data['cash'] = $price;
        if ($num) {
            $data['num'] = $num;
        }
        $data['desc'] = $desc;
        $data['pic'] = $pic;
        $data['process'] = $process;
        if ($info) {
            $data['where_id'] = $info['id'];
            $state = Dever::db($this->refund_table)->update($data);
            if ($state) {
                return $data;
            }
        } else {
            $state = Dever::db($this->refund_table)->insert($data);
            if ($state) {
                $data['id'] = $state;
                return $data;
            }
        }

        return false;
    }

    # 申请退款
    public function apply($type, $id, $order_id, $order_goods_id, $status = 1, $num = 0, $desc = '', $pic = '', $process = 2)
    {
        if ($status != 1 && $status != 2 && $status != 3) {
            Dever::alert('当前订单状态不允许退货退款');
        }

        $dec = $num;
        $data = Dever::load($this->lib)->set($type, 1)->getView($id, $order_id, false);
        $auth = false;
        if ($this->type == 'sell' && $type == 1) {
            if ($data['status'] == 2) {
                $auth = true;
            }
        } else {
            $config = array(2,3,4,5,6);
            if (in_array($data['status'], $config)) {
                $auth = true;
            }
        }
        if ($auth) {
            if ($order_goods_id) {
                $info = Dever::db($this->goods_table)->find(array('id' => $order_goods_id, 'order_id' => $data['id'], 'status' => 1));
                if ($info) {
                    Dever::db($this->goods_table)->update(array('where_id' => $info['id'], 'status' => 2));
                	if (isset($info['coupon_cash']) && $info['coupon_cash']) {
                		$cash = $info['price'] - $info['coupon_cash'];
                	} else {
                		$cash = $info['price'];
                	}
                    if ($num > 0) {
                        $dec = $num;
                    } else {
                        $dec = $info['num'];
                    }
                    
                    if ($num > 0 && $info['num'] >= $num) {
                        $dec = $info['num'];
                        $price = round($cash / $info['num'], 2);
                        $cash = round($price * $num, 2);
                    }
                } else {
                    Dever::alert('您没有权限操作');
                }
            } else {
                $cash = $data['price'] - $data['refund_cash'];
            }

            if ($cash > 0) {
                $log = $this->up($data['id'], $order_goods_id, $status, $cash, $dec, $desc, $pic, $process);

                if ($this->type == 'buy' && ($data['status'] == 5 || $data['status'] == 6)) {
                    # 如果是采购单，这里要把库存先减掉
                    $oper_data = Dever::db($this->goods_table)->getDataByIds(array('ids' => $log['order_goods_id']));
                    Dever::load('shop/lib/goods')->oper($data, 2, 1, $oper_data);
                }

                $update = array();
                $update['where_id'] = $data['id'];
                $update['refund_cash'] = $data['refund_cash'] + $cash;
                $update['refund_status'] = 2;
                if ($dec > 0) {
                    $update['num'] = $data['num'] - $dec;
                }
                
                Dever::db($this->order_table)->update($update);

                if ($id && $process == 2) {
                    $this->action($log, $process, $data);
                }
            } else {
                Dever::alert('您没有可以退款的金额');
            }
        } else {
            Dever::alert('您没有权限操作');
        }
        return 'ok';
    }

    # 确认退款
    public function action($info, $process, $order = false)
    {
        if (!is_array($info)) {
            $info = Dever::db($this->refund_table)->find($info);
        }

        if (!$info) {
            Dever::alert('您没有权限操作');
        }

        if (!$order) {
            $order = Dever::db($this->order_table)->find($info['order_id']);
        }

        if (!$order) {
            Dever::alert('您没有权限操作');
        }

        $state = Dever::db($this->refund_table)->update(array('where_id' => $info['id'], 'process' => $process));

        if (!$state) {
        	Dever::alert('操作失败');
        }

        $update = array();
        if ($process == 3) {
            if ($info['num'] && $info['num'] > 0) {
                $update['num'] = $order['num'] + $info['num'];
            }
            $update['refund_cash'] = $order['refund_cash'] - $info['cash'];
            $update['where_id'] = $order['id'];
            if ($update['refund_cash'] <= 0) {
                $update['refund_status'] = 1;
            }
            
            $state = Dever::db($this->order_table)->update($update);

            if ($info['type'] == 2) {
                Dever::db($this->goods_table)->update(array('where_id' => $info['order_goods_id'], 'status' => 1));
            }
        } else {
            if ($info['type'] == 2) {
                $state = Dever::db($this->goods_table)->update(array('where_id' => $info['order_goods_id'], 'status' => 3));
                if ($state) {
                    $this->notice($state, $order, $info['cash']);
                    # 检查这个订单下的商品是不是都退了
                    $total = Dever::db($this->goods_table)->total(array('order_id' => $order['id'], 'status' => 1));

                    if ($order['status'] == 5) {
                        $update['status'] = 6;
                    } elseif ($total <= 0) {
                        $update['operdate'] = time();
                        $update['status'] = 8;
                    }

                    if ($update) {
                        $update['where_id'] = $order['id'];
                        $state = Dever::db($this->order_table)->update($update);
                    }
                }
            } else {
                $update['where_id'] = $order['id'];
                $update['operdate'] = time();
                $update['status'] = 8;
                $state = Dever::db($this->order_table)->update($update);
                if ($state) {
                    $this->notice($state, $order, $info['cash']);
                    if (isset($order['user_coupon_id']) && $order['user_coupon_id']) {
                        # 还原优惠券
                        Dever::db('shop/user_coupon')->update(array('where_id' => $order['user_coupon_id'], 'status' => 1));
                    }
                }
            }
        }

        $data = Dever::db($this->goods_table)->getDataByIds(array('ids' => $info['order_goods_id']));
        if ($this->type == 'sell' && $process == 2) {
            # 如果是销售单，退款后要减少销量
            Dever::load('shop/lib/goods')->oper($order, 2, 2, $data);
        } elseif ($this->type == 'buy' && $process == 3 && ($order['status'] == 5 || $order['status'] == 6)) {
            # 如果是采购单，退款后要恢复库存
            Dever::load('shop/lib/goods')->oper($order, 1, 1, $data);
        }

        return 'ok';
    }

    # 获取部分退款的详情
    public function getInfo($type, $id, $order_id, $order_goods_id)
    {
        $data = Dever::load($this->lib)->set($type, 1)->getView($id, $order_id, false);
        $info = Dever::db($this->goods_table)->find(array('id' => $order_goods_id, 'order_id' => $data['id'], 'status' => 1));
        if ($info) {
        	if (isset($info['coupon_cash']) && $info['coupon_cash']) {
        		$info['tui_price'] = $info['price'] - $info['coupon_cash'];
        	} else {
        		$info['tui_price'] = $info['price'];
        	}

            $info['tui_one_price'] = round($info['tui_price'] / $info['num'], 2);
            $info['goods'] = Dever::db('goods/info')->find($info['goods_id']);
        }
        return $info;
    }

    # 退款通知
    public function notice($state, $data, $refund_cash)
    {
        if ($state && isset($data['uid']) && $data['uid'] > 0) {
            $shop = Dever::db('shop/info')->one($data['shop_id']);
            $msg_param['type'] = 1;//消息类型1是订单消息
            $msg_param['id'] = $data['id'];
            $msg_param['name'] = $shop['name'];
            $msg_param = Dever::json_encode($msg_param);
            $msg = '您有一笔订单已退款，退款将在3个工作日内返回原支付账户';
            Dever::load('message/lib/data')->push(-1, $data['uid'], '退款成功通知', $msg, 2, 1, false, $msg_param);

            # 退款到原支付账户 待处理
        }
    }
}