502 lines
14 KiB
PHP
502 lines
14 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | likeshop开源商城系统
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// +----------------------------------------------------------------------
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// | 欢迎阅读学习系统程序代码，建议反馈是我们前进的动力
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// | gitee下载：https://gitee.com/likeshop_gitee
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// | github下载：https://github.com/likeshop-github
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// | 访问官网：https://www.likeshop.cn
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// | 访问社区：https://home.likeshop.cn
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// | 访问手册：http://doc.likeshop.cn
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// | 微信公众号：likeshop技术社区
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// | likeshop系列产品在gitee、github等公开渠道开源版本可免费商用，未经许可不能去除前后端官方版权标识
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// | likeshop系列产品收费版本务必购买商业授权，购买去版权授权后，方可去除前后端官方版权标识
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// | 禁止对系统程序代码以任何目的，任何形式的再发布
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// | likeshop团队版权所有并拥有最终解释权
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// +----------------------------------------------------------------------
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// | author: likeshop.cn.team
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// +----------------------------------------------------------------------
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namespace app\shop\logic;
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use app\common\basics\Logic;
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use app\common\enum\FileEnum;
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use app\common\model\File;
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use app\common\model\FileCate;
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use Exception;
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class FileLogic extends Logic
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{
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/**
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* NOTE: 获取文件列表
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* @author: 张无忌
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* @param $get
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* @return array|\think\Paginator
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*/
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public static function getFile($get)
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{
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try {
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$where = [
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['del', '=', 0],
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['type', '=', $get['type'] ?? FileEnum::IMAGE_TYPE],
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['shop_id', '=', $get['shop_id']]
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];
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if (!empty($get['cid']) and $get['cid'] > 0) {
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$lists = FileCate::where(['del'=>0 ])->select();
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$lists = !empty($lists) ? $lists->toArray() : [];
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$childs = self::getChildCid($lists, $get['cid'], true);
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array_push($childs, $get['cid']);
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$where[] = ['cid', 'in', $childs];
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}
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$model = new File();
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return $model->field(true)
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->where($where)
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->order('id', 'desc')
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->paginate([
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'page' => $get['page'] ?? 1,
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'list_rows' => $get['limit'] ?? 20,
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'var_page' => 'page'
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])->toArray();
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} catch (Exception $e) {
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return [];
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}
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}
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/**
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* NOTE: 获取后代分类
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* @author: 张无忌
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* @param $cid
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* @param array $ids
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*/
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public static function getChildCid($lists, $cid, $clear)
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{
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static $temp = [];
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if($clear) {
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$temp = [];
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}
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foreach($lists as $item) {
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if($item['pid'] == $cid) {
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$temp[] = $item['id'];
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self::getChildCid($lists, $item['id'], false);
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}
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}
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return $temp;
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}
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/**
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* NOTE: 移动文件
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* @param $post
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* @return bool
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* @author: 张无忌
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*/
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public static function move($post)
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{
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try {
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$model = new File();
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// $file = $model->field(true)->findOrEmpty($post['file_ids'][0])->toArray();
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// if ($file['cid'] == $post['cid'] and $post['cid'] != 0) {
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// static::$error = '文件已在当前目录,无需移动';
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// return false;
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// }
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$model->whereIn('id', $post['file_ids'])
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->update(['cid' => $post['cid']]);
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return true;
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} catch (Exception $e) {
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static::$error = $e->getMessage();
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return false;
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}
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}
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/**
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* NOTE: 删除文件
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* @param $post
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* @return bool
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* @author: 张无忌
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*/
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public static function del($post)
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{
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try {
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$model = new File();
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$model->whereIn('id', $post['file_ids'])
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->update(['del' => 1]);
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return true;
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} catch (Exception $e) {
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static::$error = $e->getMessage();
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return false;
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}
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}
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/** ======================== 华丽的分割线, 下面是文件分类相关 ========================**/
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/**
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* NOTE: 获取分类列表
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* @param $type (类型: 10=图片, 20=视频, 30=文件)
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* @return array
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* @author: 张无忌
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*/
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public static function getCate($get)
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{
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try {
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$lists = FileCate::where([
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['del', '=', 0],
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['type', '=', $get['type']],
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['shop_id', '=', $get['shop_id']],
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])->order('id', 'asc')->order('sort', 'desc')->select();
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$tree = self::cateListToTree($lists, 0);
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$all = [
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'id' => 0,
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'field' => 'all',
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'title' => '全部',
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'children' => [],
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];
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array_unshift($tree, $all);
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return $tree;
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} catch (Exception $e) {
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return [];
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}
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}
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/**
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* NOTE: 分类列表转树形结构
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* @author: 张无忌
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* @param $lists
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* @param int $pid
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* @return array
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*/
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public static function cateListToTree($lists, $pid = 0)
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{
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$tree = [];
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foreach ($lists as $k => $v) {
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if ($v['pid'] == $pid) {
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$temp['id'] = $v['id'];
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$temp['field'] = 'id';
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$temp['title'] = $v['name'];
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$temp['children'] = self::cateListToTree($lists, $v['id']);
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$temp['spread'] = true;
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$tree[] = $temp;
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}
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}
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return $tree;
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}
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/**
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* NOTE: 分类详细
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* @author: 张无忌
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* @param $id
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* @return array
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*/
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public static function getCateById($id)
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{
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$model = new FileCate();
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return $model->field(true)
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->findOrEmpty($id)->toArray();
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}
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/**
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* NOTE: 新增分类
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* @author: 张无忌
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* @param $post
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* @return bool
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*/
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public static function addCate($post)
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{
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try {
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if($post['pid'] == 0) {
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$level = 1;
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}else{
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$parent = FileCate::find($post['pid']);
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$level = $parent['level'] + 1;
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}
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if($post['sort'] < 0) {
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throw new \think\Exception('排序值不能为负数');
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}
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FileCate::create([
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'name' => $post['name'],
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'pid' => $post['pid'],
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'sort' => $post['sort'],
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'shop_id' => $post['shop_id'],
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'level' => $level,
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'type' => $post['type']
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]);
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return true;
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} catch (Exception $e) {
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static::$error = $e->getMessage();
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return false;
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}
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}
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/**
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* NOTE: 编辑分类
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* @author: 张无忌
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* @param $post
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* @return bool
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*/
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public static function editCate($post)
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{
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try {
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self::checkEdit($post);
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FileCate::update([
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'name' => $post['name'],
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'pid' => $post['cid'],
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'sort' => $post['sort'],
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'update_time' => time()
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], ['id'=>$post['id']]);
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self::updateLevel($post['id']);
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return true;
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} catch (Exception $e) {
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static::$error = $e->getMessage();
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return false;
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}
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}
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/**
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* NOTE: 删除分类
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* @author: 张无忌
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* @param $id
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* @return bool
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*/
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public static function delCate($id)
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{
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try {
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self::checkDel($id);
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FileCate::update([
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'del' => 1,
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'update_time' => time()
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], ['id'=>$id]);
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return true;
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} catch (Exception $e) {
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static::$error = $e->getMessage();
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return false;
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}
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}
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/**
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* NOTE: 下拉框树状结构
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* @param $type
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* @return array
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* @author: 张无忌
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*/
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public static function categoryToSelect($get)
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{
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try {
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$model = new FileCate();
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$lists = $model->field(true)
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->where('del', '=', 0)
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->where('type', '=', $get['type'])
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->where('shop_id', '=', $get['shop_id'])
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->order('id', 'asc')
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->select();
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$tree = [];
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foreach ($lists as $val) {
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if ($val['pid'] != 0) {
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continue;
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}
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$tree[$val['id']] = "|----" . $val['name'];
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foreach ($lists as $val2) {
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if ($val2['pid'] == $val['id']) {
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$tree[$val2['id']] = "|--------" . $val2['name'];
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}
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}
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}
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return $tree;
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} catch (Exception $e) {
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return [];
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}
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}
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public static function categoryToSelectThree($get)
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{
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try {
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$model = new FileCate();
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$lists = $model->field(true)
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->where('del', '=', 0)
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->where('type', '=', $get['type'])
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->where('shop_id', '=', $get['shop_id'])
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->order('id', 'asc')
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->select();
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$tree = [];
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foreach ($lists as $val) {
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if ($val['pid'] != 0) {
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continue;
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}
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$tree[$val['id']] = "|----" . $val['name'];
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foreach ($lists as $val2) {
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if ($val2['pid'] == $val['id']) {
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$tree[$val2['id']] = "|--------" . $val2['name'];
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foreach($lists as $val3) {
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if($val3['pid'] == $val2['id']) {
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$tree[$val3['id']] = "|------------" . $val3['name'];
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}
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}
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}
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}
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}
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return $tree;
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} catch (Exception $e) {
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return [];
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}
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}
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/**
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* 编辑验证
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*/
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public static function checkEdit($post)
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{
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if(empty(trim($post['name']))) {
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throw new \think\Exception('分类名称不能为空');
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}
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if($post['id'] == $post['cid']) {
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throw new \think\Exception('上级不能是自己');
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}
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if($post['sort'] < 0) {
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throw new \think\Exception('排序值不能为负数');
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}
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// 获取后代分类
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$lists = FileCate::where(['del'=>0 ])->select();
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$lists = !empty($lists) ? $lists->toArray() : [];
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$childs = self::getChildCid($lists, $post['id'], true);
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if(in_array($post['cid'], $childs)) {
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throw new \think\Exception('上级不能自己的后代分类');
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}
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//层次结构不能超过三层
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$level = self::calcLevel($post['id']);
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$parent = FileCate::find($post['cid']);
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if($level + $parent['level'] > 3) {
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throw new \think\Exception('分类不允许超过三级');
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}
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}
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/**
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* 计算当前分类下共有多少层分类
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* @param $lists
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* @param $pid
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* @return int
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*/
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public static function calcLevel($id)
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{
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$level = 1;
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$two_ids = FileCate::where(['pid' => $id, 'del' => 0])->column('id');
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if ($two_ids) {
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$level = 2;
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$three_ids = FileCate::where([
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['del', '=', 0],
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['pid', 'in', $two_ids]
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])->column('id');
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if ($three_ids) $level = 3;
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}
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return $level;
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}
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/**
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* 更新自己及后代分类的level
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*/
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public static function updateLevel($id)
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{
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$me = FileCate::find($id);
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if($me['pid'] == 0) { // 上级为顶级分类
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FileCate::update([
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'id' => $id,
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'level' => 1,
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'update_time' => time()
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]);
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$two_ids = FileCate::where([
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'pid' => $id,
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'del' => 0
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])->column('id');
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if($two_ids) {
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FileCate::where('id', 'in', $two_ids)->update([
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'level' => 2,
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'update_time' => time()
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]);
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$three_ids = FileCate::where([
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['pid', 'in', $two_ids],
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['del', '=', 0]
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])->column('id');
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if($three_ids) {
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FileCate::where('id', 'in', $three_ids)->update([
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'level' => 3,
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'update_time' => time()
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]);
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}
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}
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}else{
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$parent = FileCate::find($me['pid']);
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if($parent['level'] == 1) {
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FileCate::update([
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'id' => $id,
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'level' => 2,
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'update_time' => time()
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]);
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$three_ids = FileCate::where([
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'pid' => $id,
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'del' => 0
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])->column('id');
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if($three_ids) {
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FileCate::where('id', 'in', $three_ids)->update([
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'level' => 3,
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'update_time' => time()
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]);
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}
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}else if($parent['level'] == 2){
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FileCate::update([
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'id' => $id,
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'level' => 3,
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'update_time' => time()
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]);
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}
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}
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}
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/**
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* 删除验证
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*/
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public static function checkDel($id)
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{
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$file = File::where([
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'cid' => $id,
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'del' => 0
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])->findOrEmpty();
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if(!$file->isEmpty()) {
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throw new \think\Exception('有文件正在使用当前分类，不允许删除');
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}
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$son = FileCate::where([
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'del' => 0,
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'pid' => $id
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])->findOrEmpty();
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if(!$son->isEmpty()){
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throw new \think\Exception('分类下还有子分类，不允许删除');
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}
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}
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} |