<?php

namespace app\version\model;

use think\Db;
use think\Model;

class SystemMenu extends Model
{

    // 获取初始化数据
    public function getSystemInit($aid = 0)
    {
        $homeInfo = [
            'title' => '首页',
            'href' => '',
        ];
        $logoInfo = [
            'title' => '系统 管理',
            'image' => 'images/logo.png',
        ];
        $menuInfo = $this->getMenuList($aid);
        $systemInit = [
            'homeInfo' => $homeInfo,
            'logoInfo' => $logoInfo,
            'menuInfo' => $menuInfo,
        ];
        return $systemInit;
    }

    // 获取菜单列表
    private function getMenuList($aid)
    {
        $menuList = Db::name('system_menu_version')
            ->field('id,pid,title,icon,href,target')
            ->where('status', 1)
            ->where('type', 'in', [1, 2])
            ->order('sort', 'desc')
            ->select();

        $menuList = $this->buildMenuChild(0, $menuList);
        return $menuList;
    }

    //递归获取子菜单
    private function buildMenuChild($pid, $menuList)
    {
        $treeList = [];
        foreach ($menuList as &$v) {

            if ($pid == $v['pid']) {
                $node = $v;
                $child = $this->buildMenuChild($v['id'], $menuList);
                if (!empty($child)) {
                    $node['child'] = $child;
                }
                // todo 后续此处加上用户的权限判断
                $treeList[] = $node;
            }
        }
        return $treeList;
    }
}