backend_php/src/place/source/app/Lib/Price.php

<?php namespace Psource\Lib;
use Dever;
use Place;
class Price
{
    private $place;
    public function __construct(Place $place)
    {
        $this->place = $place;
    }
    # 获取价格
    public function get($info, $set, $buy_num = 1, $rebate = [])
    {
        # 生成范围
        $info['scope'] = $set['scope'] . ',' . $info['id'];

        # 查看库存
        if (isset($info['sku_id'])) {
            # 这种是资源传过来的
            $info['stock'] = Dever::load(\Pstock\Lib\Info::class)->yue($info['id'], $info['sku_id']);
            # 检测scope是否包含有parent_id
            if (isset($set['parent_id']) && $set['parent_id'] <= 0 && $info['cate_child_id']) {
                $info['scope'] = $set['scope'] . ',' . $info['cate_child_id'] . ',' . $info['id'];
            } else {
                $info['scope'] = $set['scope'] . ',' . $info['id'];
            }
        } elseif (isset($info['info_id'])) {
            # 这种是sku传过来的
            $info['stock'] = Dever::load(\Pstock\Lib\Info::class)->yue($info['info_id'], $info['id']);
            $info['scope'] = $set['scope'] . ',' . $info['info_id'];
        }
        
        # 原价
        $info['m_price'] = Dever::number($info['price']);

        # 促销 必须登录才有
        $info['promotion'] = $info['rebate'] = [];
        if ($this->place->uid) {
            $info['promotion'] = Dever::load(\Pbenefit\Lib\Item::class)->load('promotion')->get($this->place->uid, $info['scope'], $info['price'], $set['score']['exp']);
            if ($info['promotion']) {
                $info['price'] = $info['promotion']['price'];
            }
        }

        if ($info['price'] <= 0) {
            $info['price'] = 0;
        }
        if ($info['price'] == $info['m_price']) {
            $info['m_price'] = 0;
        }

        list($info['price_text'], $info['m_price_text']) = Dever::load(\Pscore\Lib\Info::class)->getText([$info['price'], $info['m_price']], $set['score']);

        # 获取促销描述
        $info['promotion_text'] = '';
        if ($info['promotion']) {
            $info['promotion_text'] = '<table class="rich-table" style="border-collapse: collapse; text-align: center; width: 100%;">';
            $info['promotion_text'] .= '<tr><td>原价</td><td></td><td>'.$info['m_price_text'].'</td></tr>';
            $promotion = [$info['promotion']];
            foreach ($promotion as $k => $v) {
                $text = Dever::load(\Pscore\Lib\Info::class)->getText($v['price'], $set['score']);
                $type = '<td></td>';
                if ($v['type'] != 3) {
                    $type = '<td>'.$v['value'].'</td>';
                }
                $info['promotion_text'] .= '<tr><td>'.$v['name'].'</td>'.$type.'<td>'.$text.'</td></tr>';
            }
            $info['promotion_text'] .= '</table>';
        }

        # 购买数量
        $info['total_price'] = $info['price'];
        if ($buy_num >= 0) {
            if ($info['stock']['num'] >= 0 && $info['stock']['num'] <= $buy_num) {
                $buy_num = $info['stock']['num'];
            }
            $info['buy_num'] = Dever::number($buy_num);
            $info['total_price'] = Dever::math('mul', $info['price'], $buy_num);
            /*
            if (isset($info['unum'])) {
                $info['total_unum'] = Dever::math('mul', $info['unum'], $buy_num);
            }
            */
        } else {
            # 返利
            if ($this->place->uid) {
                $info['money'] = Dever::math('mul', $info['total_price'], $set['score']['exp']);
                $info['rebate'] = Dever::load(\Pbenefit\Lib\Item::class)->load('rebate')->get($this->place->uid, $info['scope'], $info['money'], $rebate);
            }

            # 获取促销标签
            $info['promotion_tag'] = Dever::load(\Pbenefit\Lib\Item::class)->load('promotion')->getInfoByTag($info['scope']);
        }
        return $info;
    }

    # 获取专享
    public function getHave($info)
    {
        $result['status'] = 1;
        if ($info['have_vip']) {
            $result['status'] = 2;
            $result['list'] = [];
            $where['id'] = ['in', $info['have_vip']];
            $level = Dever::db('prole/level')->select($where, ['col' => 'id,name,info_id']);
            if ($level) {
                if ($this->place->uid && !isset($this->place->user['role_level'])) {
                    $this->place->user['role_level'] = Dever::db('puser/role')->getLevel($this->place->uid);
                }
                $role = [];
                foreach ($level as $v) {
                    if (empty($role[$v['info_id']])) {
                        $role[$v['info_id']] = Dever::db('prole/info')->find(['id' => $v['info_id']], ['col' => 'id,name']);
                        $role[$v['info_id']]['list'] = [];
                    }
                    $role[$v['info_id']]['list'][] = $v;
                    if ($this->place->user['role_level'] && in_array($v['id'], $this->place->user['role_level'])) {
                        $result['status'] = 1;
                    }
                }
                $result['list'] = array_values($role);
            }
        }
        return $result;
    }
}