/miles/GlobalMBA/mba/sns_00/upload/home/uc_client/model/note.php

<?php



/*

	[UCenter] (C)2001-2009 Comsenz Inc.

	This is NOT a freeware, use is subject to license terms



	$Id: note.php 916 2009-01-19 05:56:07Z monkey $

*/



!defined('IN_UC') && exit('Access Denied');



define('UC_NOTE_REPEAT', 5);	//note 通知重复次数

define('UC_NOTE_TIMEOUT', 15);	//note 通知超时时间(秒)

define('UC_NOTE_GC', 10000);	//note 过期通知的回收概率，该值越大，概率越低



define('API_RETURN_FAILED', '-1');



class notemodel {



	var $db;

	var $base;

	var $apps;

	var $operations = array();

	var $notetype = 'HTTP';//note HTTP|INCLUDE



	function __construct(&$base) {

		$this->notemodel($base);

	}



	function notemodel(&$base) {

		$this->base = $base;

		$this->db = $base->db;

		$this->apps = $this->base->cache('apps');

		/** note

		 * 1. 操作的名称，如：删除用户，测试连通，删除好友，取TAG数据，更新客户端缓存

		 * 2. 调用的应用的接口参数，拼接规则为 APP_URL/api/uc.php?action=test&ids=1,2,3

		 * 3. 回调的模块名称

		 * 4. 回调的模块方法（$appid, $content）

		 */

		$this->operations = array(

			'test'=>array('', 'action=test'),

			'deleteuser'=>array('', 'action=deleteuser'),

			'renameuser'=>array('', 'action=renameuser'),

			'deletefriend'=>array('', 'action=deletefriend'),

			'gettag'=>array('', 'action=gettag', 'tag', 'updatedata'),

			'getcreditsettings'=>array('', 'action=getcreditsettings'),

			'getcredit'=>array('', 'action=getcredit'),

			'updatecreditsettings'=>array('', 'action=updatecreditsettings'),

			'updateclient'=>array('', 'action=updateclient'),

			'updatepw'=>array('', 'action=updatepw'),

			'updatebadwords'=>array('', 'action=updatebadwords'),

			'updatehosts'=>array('', 'action=updatehosts'),

			'updateapps'=>array('', 'action=updateapps'),

			'updatecredit'=>array('', 'action=updatecredit'),

		);

	}



	/**

	 * 统计通知的总条数

	 *

	 * @return int

	 */

	function get_total_num($all = TRUE) {

	}



	/**

	 * Enter 得到通知列表

	 *

	 * @param int $page

	 * @param int$ppp

	 * @param int $totalnum

	 * @return array 结果集

	 */

	function get_list($page, $ppp, $totalnum, $all = TRUE) {

	}



	/**

	 * 删除通知

	 *

	 * @param string/array $ids

	 * @return 受影响的行数

	 */

	function delete_note($ids) {

	}



	/**

	 * 添加通知列表

	 *

	 * @param string 操作

	 * @param string getdata

	 * @param string postdata

	 * @param array appids 指定通知的 APPID

	 * @param int pri 优先级，值越大表示越高

	 * @return int 插入的ID

	 */

	function add($operation, $getdata='', $postdata='', $appids=array(), $pri = 0) {

		$extra = $varextra = '';

		$appadd = $varadd = array();

		foreach((array)$this->apps as $appid => $app) {

			$appid = $app['appid'];

			if($appid == intval($appid)) {

				if($appids && !in_array($appid, $appids)) {

					$appadd[] = 'app'.$appid."='1'";

				} else {

					$varadd[] = "('noteexists{$appid}', '1')";

				}

			}

		}

		if($appadd) {

			$extra = implode(',', $appadd);

			$extra = $extra ? ', '.$extra : '';

		}

		if($varadd) {

			$varextra = implode(', ', $varadd);

			$varextra = $varextra ? ', '.$varextra : '';

		}



		$getdata = addslashes($getdata);

		$postdata = addslashes($postdata);

		$this->db->query("INSERT INTO ".UC_DBTABLEPRE."notelist SET getdata='$getdata', operation='$operation', pri='$pri', postdata='$postdata'$extra");

		$insert_id = $this->db->insert_id();

		$insert_id && $this->db->query("REPLACE INTO ".UC_DBTABLEPRE."vars (name, value) VALUES ('noteexists', '1')$varextra");

		return $insert_id;

	}



	function send() {

		register_shutdown_function(array($this, '_send'));

	}



	function _send() {

		//note 判断是否有通知



		//note 如果内存表记录不存在，那么可能 mysql 被重启，需要再次判断通知是否存在



		//note 查看是否有通知

		$note = $this->_get_note();

		if(empty($note)) {

			//note 标示为不需要通知

			$this->db->query("REPLACE INTO ".UC_DBTABLEPRE."vars SET name='noteexists".UC_APPID."', value='0'");

			return NULL;

		}



		//note mysql只发送自己的通知

		$this->sendone(UC_APPID, 0, $note);



		//note 垃圾清理

		$this->_gc();

	}



	function sendone($appid, $noteid = 0, $note = '') {

		require_once UC_ROOT.'./lib/xml.class.php';

		$return = FALSE;

		$app = $this->apps[$appid];

		if($noteid) {

			$note = $this->_get_note_by_id($noteid);

		}

		$this->base->load('misc');

		$apifilename = isset($app['apifilename']) && $app['apifilename'] ? $app['apifilename'] : 'uc.php';

		if($app['extra']['apppath'] && @include $app['extra']['apppath'].'./api/'.$apifilename) {

			$uc_note = new uc_note();

			$method = $note['operation'];

			if(is_string($method) && !empty($method)) {

				parse_str($note['getdata'], $note['getdata']);

				if(get_magic_quotes_gpc()) {

					$note['getdata'] = $this->base->dstripslashes($note['getdata']);

				}

				$note['postdata'] = xml_unserialize($note['postdata']);

				$response = $uc_note->$method($note['getdata'], $note['postdata']);

			}

			unset($uc_note);

		} else {

			$url = $this->get_url_code($note['operation'], $note['getdata'], $appid);

			$note['postdata'] = str_replace(array("\n", "\r"), '', $note['postdata']);

			$response = trim($_ENV['misc']->dfopen2($url, 0, $note['postdata'], '', 1, $app['ip'], UC_NOTE_TIMEOUT, TRUE));

		}



		$returnsucceed = $response != '' && ($response == 1 || is_array(xml_unserialize($response)));//note 当确实返回为1的时候才认为是通知成功



		$closedsqladd = $this->_close_note($note, $this->apps, $returnsucceed, $appid) ? ",closed='1'" : '';//



		if($returnsucceed) {

			if($this->operations[$note['operation']][2]) {

				$this->base->load($this->operations[$note['operation']][2]);

				$func = $this->operations[$note['operation']][3];

				$_ENV[$this->operations[$note['operation']][2]]->$func($appid, $response);

			}

			$this->db->query("UPDATE ".UC_DBTABLEPRE."notelist SET app$appid='1', totalnum=totalnum+1, succeednum=succeednum+1, dateline='{$this->base->time}' $closedsqladd WHERE noteid='$note[noteid]'", 'SILENT');

			$return = TRUE;

		} else {

			$this->db->query("UPDATE ".UC_DBTABLEPRE."notelist SET app$appid = app$appid-'1', totalnum=totalnum+1, dateline='{$this->base->time}' $closedsqladd WHERE noteid='$note[noteid]'", 'SILENT');

			$return = FALSE;

		}

		return $return;

	}



	function _get_note() {

		$app_field = 'app'.UC_APPID;

		$data = $this->db->fetch_first("SELECT * FROM ".UC_DBTABLEPRE."notelist WHERE closed='0' AND $app_field<'1' AND $app_field>'-".UC_NOTE_REPEAT."' LIMIT 1");

		return $data;

	}



	function _gc() {

		rand(0, UC_NOTE_GC) == 0 && $this->db->query("DELETE FROM ".UC_DBTABLEPRE."notelist WHERE closed='1'");

	}



	//note 判断是否需要关闭通知

	function _close_note($note, $apps, $returnsucceed, $appid) {

		$note['app'.$appid] = $returnsucceed ? 1 : $note['app'.$appid] - 1;

		$appcount = count($apps);

		foreach($apps as $key => $app) {

			$appstatus = $note['app'.$app['appid']];

			if(!$app['recvnote'] || $appstatus == 1 || $appstatus <= -UC_NOTE_REPEAT) {

				$appcount--;

			}

		}

		if($appcount < 1) {

			return TRUE;

			//$closedsqladd = ",closed='1'";

		}

	}



	function _get_note_by_id($noteid) {

		$data = $this->db->fetch_first("SELECT * FROM ".UC_DBTABLEPRE."notelist WHERE noteid='$noteid'");

		return $data;

	}



	function get_url_code($operation, $getdata, $appid) {

		$app = $this->apps[$appid];

		$authkey = UC_KEY;

		$url = $app['url'];

		$apifilename = isset($app['apifilename']) && $app['apifilename'] ? $app['apifilename'] : 'uc.php';

		$action = $this->operations[$operation][1];

		$code = urlencode($this->base->authcode("$action&".($getdata ? "$getdata&" : '')."time=".$this->base->time, 'ENCODE', $authkey));

		return $url."/api/$apifilename?code=$code";

	}



}



?>