qimall/addons/Store/common/logic/goods/GoodsLogic.php

<?php

namespace addons\Store\common\logic\goods;

use addons\Store\common\models\StoreGoodsExtra;
use common\enums\StatusEnum;
use common\models\common\MallSetting;
use common\models\user\UserLevel;
use common\traits\ErrorTrait;

class GoodsLogic
{
    use ErrorTrait;

    /**
     * 获取会员当前等级及下级会员价
     * @Author: lun
     * @DateTime: 2022/1/13 0013 10:36
     * @Copyright: copyright (c) 2021 广东七件事集团
     * @param $mall_id
     * @param $code
     * @return array|bool
     */
    public static function getMemberPriceList($mallId,$goods,$user,$is_self = false)
    {
        $extra_params = ['where' => [['in', 'goods_id', $goods['id']]], 'select' => 'member_price_setting, is_member_price,goods_id', 'index' => 'goods_id'];
        $goods_extra = StoreGoodsExtra::lists($extra_params, true);
        $user_level = 0;
        if ($user) {
            $user_level = $user->level;
        }
        $level_where = ['mall_id' => $mallId, 'status' => StatusEnum::ENABLED];
        $query = UserLevel::find()->where($level_where);
        $wheres = $is_self ? "=" : "<=";
        if ($user_level > 0) $query->andWhere([$wheres,'level',$user_level]);
        $level_list = $query->select('name,discount,level')->orderBy('level desc')->asArray()->all();
        $member_price_list = [];
        if (!empty($goods_extra)) {
            foreach ($goods_extra as $v) {
                foreach($level_list as $level){

                    if(isset($member_price_list[$level['level']])) continue;

                    $member_price = $goods['price'];

                    if($v['is_member_price'] == 0){
                        $member_price = bcmul($goods['price'], $level['discount'] / 10, 2);
                    }elseif($v['is_member_price'] == 1){
                        $member_price_arr = json_decode($v['member_price_setting'], true) ?? [];
                        if(empty($member_price_arr)) continue;
                        if (!empty($goods['is_attr'])) {
                            if (count($member_price_arr) > 1) {
                                $member_arr = $member_price_arr['level' . $level['level']];
                                if (isset($member_arr)) {
                                    $member_arr = array_values($member_arr);
                                    $member_price = $member_arr[0] ?? 0;
                                }
                            }
                        }else{
                            if (count($member_price_arr) > 1) {
                                if(isset($member_price_arr[$level['level']])){
                                    $member_price = $member_price_arr[$level['level']];
                                }
                            } else {
                                if (count($member_price_arr) == 1) $member_price = $member_price_arr[0];
                            }
                        }

                    }

                    $member_price_list[$level['level']] = [
                        'type' => 'member_price',
                        'level_name' => $level['name'],
                        'price'=> $member_price,
                    ];
                }
            }
        }
        if($is_self){
            if(!empty($member_price_list[$user_level])){
                return $member_price_list[$user_level]['price'];
            }else{
                return $goods['price'];
            }
        }
        $member_price_list[0] = [
            'type' => 'price',
            'level_name' => MallSetting::getDefaultLevelName($mallId),
            'price' => $goods['price'],
        ];
        $new_arr = [];
        foreach($member_price_list as $item){
            $new_arr[] = $item;
        }
        return $new_arr;

    }

    /**
     * @Description:
     *  1. 获取该会员等级的会员价
     *  2. 获取该会员等级指定显示的其他会员价
     *  3. 多规格商品显示第一个规格的会员价
     * @Author: zsan
     * @DateTime 2023-10-25 17:04:54
     * @param integer $mall_id
     * @param array $goods
     * @param array $user_level
     * @return array
     */
    public static function getSpecifiedLevelPrice($mall_id, $goods, $user_level)
    {
        $data = [
            'levels_member_price' => []
        ];
        if(empty($user_level)) return $data;
        $extra = $goods['extra'];
        if($extra['is_member_price'] == 2) return $data;
        $specified_level = $user_level['specified_level'] ? json_decode($user_level['specified_level'], true) : [];
        $level = [$user_level['level']];
        if(!empty($specified_level)){
            $level = array_merge($specified_level, $level);
        }
        $level_list = UserLevel::lists([
            'where' => [['mall_id' => $mall_id], ['status' => StatusEnum::ENABLED], ['level' => $level]],
            'select' => 'id,level,name,discount',
            'order' => 'level asc',
        ]);

        $member_price_setting = !empty($extra['member_price_setting']) ? json_decode($extra['member_price_setting'], true) : [];
        $your_member_price = [];
        if($extra['is_member_price'] == 0){
            //不参与会员折扣独立设置
            foreach($level_list as $lv){
                $member_price = bcmul($lv['discount'] / 10, $goods['price'], 2);
                if($lv['level'] == $user_level['level']){
                    $your_member_price = [
                        'name' => $lv['name'],
                        'member_price' => $member_price,
                        'level' => $lv['level']
                    ];;
                }else{
                    $data['levels_member_price'][] = [
                        'name' => $lv['name'],
                        'member_price' => $member_price,
                        'level' => $lv['level']
                    ];
                }
            }
        } elseif ($extra['is_member_price'] == 1){
            // 参与会员折扣独立设置
            foreach($level_list as $lv){
                if($goods['is_attr'] == 1){
                    $level_set = $member_price_setting['level'.$lv['level']] ?? [];
                    $level_set = array_values($level_set);
                    sort($level_set);
                    $member_price = $level_set[0] ?? 0;
                }else{
                    $member_price = $member_price_setting[$lv['level']] ?? 0;
                }
                if($lv['level'] == $user_level['level']){
                    $your_member_price =  [
                        'name' => $lv['name'],
                        'member_price' => $member_price,
                        'level' => $lv['level']
                    ];
                }else{
                    $data['levels_member_price'][] = [
                        'name' => $lv['name'],
                        'member_price' => $member_price,
                        'level' => $lv['level']
                    ];
                }
            }
        }
        array_unshift($data['levels_member_price'], $your_member_price);
        return $data;
    }
}