<?php
/**
 * 所属项目 110.
 * 开发者: 陈一枭
 * 创建日期: 2014年11月18日
 * 创建时间: 10:27
 * 版权所有 想天软件工作室(www.ourstu.com)
 */

namespace Common\Model;


use Think\Model;

class ModuleModel extends Model
{

 protected $tableName = 'module';

 public function getAll()
 {

 $module = S('module_all');
 if (empty($module)) {
 $dir = $this->getFile(APP_PATH);
 foreach ($dir as $subdir) {
 if (file_exists(APP_PATH . '/' . $subdir . '/Info/info.php')) {
 $info = $this->getInfo($subdir);
 $info = $this->getModule($subdir);
 $info['can_uninstall'] = file_exists(APP_PATH . '/' . $info['name'] . '/Info/uninstall.sql');
 $module[] = $info;
 }
 }

 S('module_all', $module);
 }

 return $module;
 }

 public function checkCanVisit($name)
 {
 $modules = $this->getAll();

 foreach ($modules as $m) {
 if (isset($m['is_setup']) && $m['is_setup'] == 0 && $m['name'] == ucfirst($name)) {
 header("Content-Type: text/html; charset=utf-8");
 exit('您所访问的模块未安装,禁止访问。');
 }
 }

 }

 private function cleanModulesCache()
 {
 S('module_all', null);
 }

 public function uninstall($id)
 {
 $module = $this->find($id);
 if ($module['is_setup'] == 0) {
 return array('error_code' => '模块未安装。');
 }
 $uninstallSql = APP_PATH . '/' . $module['name'] . '/Info/uninstall.sql';
 $res = D()->executeSqlFile($uninstallSql);

 if ($res === true) {
 $module['is_setup'] = 0;
 $this->save($module);
 }
 $this->cleanModulesCache();
 return $res;
 }

 public function install($id)
 {
 $module = $this->find($id);
 if ($module['is_setup'] == 1) {
 return array('error_code' => '模块已安装。');
 }
 $uninstallSql = APP_PATH . '/' . $module['name'] . '/Info/install.sql';
 $res = D()->executeSqlFile($uninstallSql);

 if ($res === true) {
 $module['is_setup'] = 1;
 $this->save($module);
 }
 clean_all_cache();//清除全站缓存
 return $res;
 }

 /**检查模块是否已安装
 * @param $name
 * @auth 陈一枭
 */
 public function getModule($name)
 {
 $module = $this->where(array('name' => $name))->find();
 if (!$module) {
 $m = $this->getInfo($name);
 if ($m['can_uninstall']) {
 $m['is_setup'] = 0;//默认设为已安装,防止已安装的模块反复安装。
 } else {
 $m['is_setup'] = 1;
 }
 $m['id'] = $this->add($m);
 return $m;
 } else {
 return $module;
 }
 }

 private function getInfo($name)
 {
 if (file_exists(APP_PATH . '/' . $name . '/Info/info.php')) {
 $module = require(APP_PATH . '/' . $name . '/Info/info.php');
 return $module;
 } else {
 return array();
 }

 }

 /**
 * 获取文件列表
 */
 private function getFile($folder)
 {
 //打开目录
 $fp = opendir($folder);
 //阅读目录
 while (false != $file = readdir($fp)) {
 //列出所有文件并去掉'.'和'..'
 if ($file != '.' && $file != '..') {
 //$file="$folder/$file";
 $file = "$file";

 //赋值给数组
 $arr_file[] = $file;

 }
 }
 //输出结果
 if (is_array($arr_file)) {
 while (list($key, $value) = each($arr_file)) {
 $files[] = $value;
 }
 }
 //关闭目录
 closedir($fp);
 return $files;


 }


 public function isInstalled($name)
 {
 $module = $this->getModule($name);
 if ($module['is_setup']) {
 return true;
 } else {
 return false;
 }
 }
}