<?php
namespace app\admin\controller\cms;

use app\admin\model\cms\Page as PageModel;
use app\admin\model\cms\PageData;
use app\admin\model\general\Lang as LangModel;
use app\common\controller\Backend;
use Exception;
use think\db\exception\PDOException;
use think\exception\ValidateException;
use think\facade\Db;

class Page extends Backend
{
    protected $modelClass = null;

    protected function initialize()
    {
        parent::initialize();
        $this->modelClass = new PageModel;
    }

    public function edit()
    {
        $catid = $this->request->param('catid/d', 0);
        $lang = $this->request->param('lang/s', LangModel::getDefaultMark());
        $row = $this->modelClass->where('catid', $catid)->find();
        if (!$row) {
            $this->error('记录未找到');
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds)) {
            if (!in_array($row[$this->dataLimitField], $adminIds)) {
                $this->error('你没有权限访问');
            }
        }
        if ($this->request->isPost()) {
            $params = $this->request->post('row/a');
            if ($params) {
                $params = $this->preExcludeFields($params);
                Db::startTrans();
                try {
                    $saveLang = $params['lang'] ?? $lang;
                    $this->modelClass->savePage($params, $saveLang);
                    Db::commit();
                } catch (ValidateException | PDOException | Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                $this->success('修改成功');
            }
            $this->error('参数不能为空');
        }

        $data = $this->modelClass->getPageWithLang($catid, $lang);
        $langs = LangModel::getEnabledList();
        $langStatus = [];
        foreach ($langs as $item) {
            $langStatus[$item->mark] = PageData::where(['page_id' => $row->id, 'lang' => $item->mark])->count() > 0 ? 1 : 0;
        }
        $this->view->assign('data', $data);
        $this->view->assign('langs', $langs);
        $this->view->assign('currentLang', $lang);
        $this->view->assign('defaultLang', LangModel::getDefaultMark());
        $this->view->assign('langStatus', $langStatus);
        return $this->fetch();
    }
}