yanzong/app/store/model/goods/GoodsPrice.php

<?php
// +----------------------------------------------------------------------
// | 萤火商城系统 [ 致力于通过产品和服务，帮助商家高效化开拓市场 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2017~2023 https://www.yiovo.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed 这不是一个自由软件，不允许对程序代码以任何形式任何目的的再发行
// +----------------------------------------------------------------------
// | Author: 萤火科技 <admin@yiovo.com>
// +----------------------------------------------------------------------
declare (strict_types=1);

namespace app\store\model\goods;

use app\common\library\helper;
use think\Paginator;
use think\Collection;
use app\common\model\goods\GoodsPrice as GoodsPriceModel;
use app\common\model\Category as CategoryModel;

/**
 * 商品价格配比
 * Class Service
 */
class GoodsPrice extends GoodsPriceModel
{
    /**
     * 获取全部记录
     * @param array $param
     * @return array|Collection
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function getAll($params)
    {
        $catFids = CategoryModel::where(['parent_id' => 0])->column('category_id');
        $catList = CategoryModel::with(['price'])->whereIn('parent_id', $catFids)->select()->toArray();
        $all = [];
        foreach ($catList as $k => $v) {
            $temp = [];
            if (!empty($v['price'])) {
                foreach ($v['price'] as $pk => $pv) {
                    if (!empty($params['type'])) {
                        if ($pv['type'] == $params['type']) {
                            $temp[] = $pv;
                        }
                    } else {
                        if ($pv['type'] == 1) {
                            $temp[] = $pv;
                        }
                    }
                }
            }
            $all[] = [
                'category_id' => $v['category_id'],
                'name' => $v['name'],
                'price' => $temp
            ];
        }
        return $all;
    }


    /**
     * 新增记录
     * @param array $data
     * @return bool|false
     */
    public function add(array $data): bool
    {
        if (empty($data['type']) || empty($data['max_price']) || empty($data['cat_id']) || empty($data['markup_rate'])) {
            $this->error = "请补全信息";
            return false;
        }
        //校验是否有冲突的区间
        $catList = $this->where(['cat_id' => $data['cat_id'], 'type' => $data['type']])->select();
        if (!empty($catList)) {

            foreach ($catList as $k => $v) {
                if ($data['min_price'] >= $v->min_price && $data['min_price'] <= $v->max_price) {
                    $this->error = "该分类价格区间冲突，请重新设置价格";
                    return false;
                }
                if ($data['max_price'] <= $v->max_price && $data['max_price'] >= $v->min_price) {
                    $this->error = "该分类价格区间冲突，请重新设置价格";
                    return false;
                }
            }
        }
        $data['profit_min'] = round($data['min_price'] * $data['markup_rate'] / 100, 2);
        $data['profit_max'] = round($data['max_price'] * $data['markup_rate'] / 100, 2);
        $data['store_id'] = self::$storeId;
        return $this->save($data);
    }

    /**
     * 更新记录
     * @param array $data
     * @return bool
     */
    public function edit(array $data): bool
    {
        if (empty($data['type']) || empty($data['max_price']) || empty($data['cat_id']) || empty($data['markup_rate']) || empty($data['id'])) {
            $this->error = "请补全信息";
            return false;
        }
        $detail = $this->where('id', '=', $data['id'])->find();
        if ($detail->isEmpty()) {
            $this->error = "异常数据";
            return false;
        }
        //校验是否有冲突的区间
        $catList = $this->where(['cat_id' => $data['cat_id'], 'type' => $data['type']])->where('id', '<>', $data['id'])->select();
        if (!empty($catList)) {
            foreach ($catList as $k => $v) {
                if ($data['min_price'] >= $v->min_price && $data['min_price'] <= $v->max_price) {
                    $this->error = "该分类价格区间冲突，请重新设置价格";
                    return false;
                }
                if ($data['max_price'] <= $v->max_price && $data['max_price'] >= $v->min_price) {
                    $this->error = "该分类价格区间冲突，请重新设置价格";
                    return false;
                }
            }
        }
        $data['profit_min'] = round($data['min_price'] * $data['markup_rate'] / 100, 2);
        $data['profit_max'] = round($data['max_price'] * $data['markup_rate'] / 100, 2);
        return $detail->save($data) !== false;
    }

    /**
     * 删除记录(软删除)
     * @return bool
     * @throws \Exception
     */
    public function del($data): bool
    {
        // 判断该服务是否被商品引用
        $detail = $this->where('id', '=', $data['id'])->find();
        if ($detail->isEmpty()) {
            $this->error = "异常数据";
            return false;
        }
        return $detail->delete() !== false;
    }


    /**
     * 获取和计算折扣后的价格
     * @param $catId
     * @param $type
     * @param $originalPrice
     * @return string
     */
    public static function getDiscountPrice($catId, $type = 1, $originalPrice): string
    {
        $info = self::where(['cat_id' => $catId, 'type' => $type])
            ->where('min_price', '<=', $originalPrice)
            ->order('min_price desc')
            ->find();
        //没有配置返回原价
        if (!$info) {
            return $originalPrice;
        }
        // 使用高精度方法计算等级折扣;
        $discountPrice = helper::bcmul($originalPrice, $info->markup_rate / 100, 2);
        //取优惠后的价格
        $lastPrice = bcsub($originalPrice, $discountPrice, 2);
        return helper::number2($lastPrice, true);
    }
}