www.gusucode.com > 迪恩育儿亲子4商城商家+手机版【整站带测试数据】源码程序 > web/source/class/class_tag.php
<?php
/**
* [Discuz!] (C)2001-2099 Comsenz Inc.
* This is NOT a freeware, use is subject to license terms
*
* $Id: class_tag.php 28830 2012-03-14 08:30:08Z chenmengshu $
*/
if(!defined('IN_DISCUZ')) {
exit('Access Denied');
}
class tag
{
public function add_tag($tags, $itemid, $idtype = 'tid', $returnarray = 0) {
if($tags == '' || !in_array($idtype, array('', 'tid', 'blogid', 'uid'))) {
return;
}
$tags = str_replace(array(chr(0xa3).chr(0xac), chr(0xa1).chr(0x41), chr(0xef).chr(0xbc).chr(0x8c)), ',', censor($tags));
if(strexists($tags, ',')) {
$tagarray = array_unique(explode(',', $tags));
} else {
$langcore = lang('core');
$tags = str_replace($langcore['fullblankspace'], ' ', $tags);
$tagarray = array_unique(explode(' ', $tags));
}
$tagcount = 0;
foreach($tagarray as $tagname) {
$tagname = trim($tagname);
if(preg_match('/^([\x7f-\xff_-]|\w|\s){3,20}$/', $tagname)) {
$status = $idtype != 'uid' ? 0 : 3;
$result = C::t('common_tag')->get_bytagname($tagname, $idtype);
if($result['tagid']) {
if($result['status'] == $status) {
$tagid = $result['tagid'];
}
} else {
$tagid = C::t('common_tag')->insert($tagname,$status);
}
if($tagid) {
if($itemid) {
C::t('common_tagitem')->replace($tagid,$itemid,$idtype);
}
$tagcount++;
if(!$returnarray) {
$return .= $tagid.','.$tagname."\t";
} else {
$return[$tagid] = $tagname;
}
}
if($tagcount > 4) {
unset($tagarray);
break;
}
}
}
return $return;
}
public function update_field($tags, $itemid, $idtype = 'tid', $typeinfo = array()) {
if($idtype == 'tid') {
$tagstr = C::t('forum_post')->fetch_threadpost_by_tid_invisible($itemid);
$tagstr = $tagstr['tags'];
} elseif($idtype == 'blogid') {
$tagstr = C::t('home_blogfield')->fetch_tag_by_blogid($itemid);
} else {
return '';
}
$tagarray = $tagidarray = $tagarraynew = array();
$results = C::t('common_tagitem')->select(0, $itemid, $idtype);
foreach($results as $result) {
$tagidarray[] = $result['tagid'];
}
if($tagidarray) {
$results = C::t('common_tag')->get_byids($tagidarray);
foreach($results as $result) {
$tagarray[$result[tagid]] = $result['tagname'];
}
}
$tags = $this->add_tag($tags, $itemid, $idtype, 1);
foreach($tags as $tagid => $tagname) {
$tagarraynew[] = $tagname;
if(empty($tagarray[$tagid])) {
$tagstr = $tagstr.$tagid.','.$tagname."\t";
}
}
foreach($tagarray as $tagid => $tagname) {
if(!in_array($tagname, $tagarraynew)) {
C::t('common_tagitem')->delete($tagid, $itemid, $idtype);
$tagstr = str_replace("$tagid,$tagname\t", '', $tagstr);
}
}
return $tagstr;
}
public function copy_tag($oldid, $newid, $idtype = 'tid') {
$results = C::t('common_tagitem')->select(0, $oldid, $idtype);
foreach($results as $result) {
C::t('common_tagitem')->insert(array(
'tagid' => $result['tagid'],
'itemid' => $newid,
'idtype' => $idtype
));
}
}
public function merge_tag($tagidarray, $newtag, $idtype = '') {
$newtag = str_replace(',', '', $newtag);
$newtag = trim($newtag);
if(!$newtag) {
return 'tag_empty';
}
if(preg_match('/^([\x7f-\xff_-]|\w|\s){3,20}$/', $newtag)) {
$tidarray = $blogidarray = array();
$newtaginfo = $this->add_tag($newtag, 0, $idtype, 1);
foreach($newtaginfo as $tagid => $tagname) {
$newid = $tagid;
}
$tagidarray = array_diff((array)$tagidarray, (array)$newid);
if($idtype !== 'uid') {
$tagnames = C::t('common_tag')->get_byids($tagidarray);
$results = C::t('common_tagitem')->select($tagidarray);
foreach($results as $result) {
$result['tagname'] = addslashes($tagnames[$result[tagid]]['tagname']);
if($result['idtype'] == 'tid') {
$itemid = $result[itemid];
if(!isset($tidarray[$itemid])) {
$post = C::t('forum_post')->fetch_threadpost_by_tid_invisible($itemid);
$tidarray[$itemid] = $post['tags'];
}
$tidarray[$itemid] = str_replace("$result[tagid],$result[tagname]\t", '', $tidarray[$itemid]);
} elseif($result['idtype'] == 'blogid') {
$itemid = $result[itemid];
if(!isset($blogidarray[$itemid])) {
$blogfield = C::t('home_blogfield')->fetch($itemid);
$blogidarray[$itemid] = $blogfield['tag'];
}
$blogidarray[$itemid] = str_replace("$result[tagid],$result[tagname]\t", '', $blogidarray[$itemid]);
}
}
}
$checkunique = array();
$checktagids = $tagidarray;
$checktagids[] = $newid;
$results = C::t('common_tagitem')->select($checktagids);
foreach($results as $row) {
if($checkunique[$row['itemid'].'_'.$row['idtype']] == 'deleted' || empty($checkunique[$row['itemid'].'_'.$row['idtype']])) {
if(empty($checkunique[$row['itemid'].'_'.$row['idtype']])) {
$checkunique[$row['itemid'].'_'.$row['idtype']] = 1;
}
} else {
C::t('common_tagitem')->unique($row['tagid'], $row['itemid'], $row['idtype']);
$checkunique[$row['itemid'].'_'.$row['idtype']] = 'deleted';
}
}
C::t('common_tagitem')->merge_by_tagids($newid, $tagidarray);
C::t('common_tag')->delete_byids($tagidarray);
if($tidarray) {
foreach($tidarray as $key => $var) {
C::t('forum_post')->update_by_tid('tid:'.$key, $key, array('tags' => $var), false, false, 1);
C::t('forum_post')->concat_threadtags_by_tid($key, "$newid,$newtag\t");
}
}
if($blogidarray) {
foreach($blogidarray as $key => $var) {
C::t('home_blogfield')->update($key, array('tag' => $var.$newid.','.$newtag.'\t'));
}
}
} else {
return 'tag_length';
}
return 'succeed';
}
public function delete_tag($tagidarray, $idtype = '') {
$tidarray = $blogidarray = array();
if(!is_array($tagidarray)) {
return false;
}
if($idtype != 'uid') {
$tagnames = C::t('common_tag')->get_byids($tagidarray);
$items = C::t('common_tagitem')->select($tagidarray);
foreach($items as $result) {
$result['tagname'] = addslashes($tagnames[$result[tagid]]['tagname']);
if($result['idtype'] == 'tid') {
$itemid = $result[itemid];
if(!isset($tidarray[$itemid])) {
$post = C::t('forum_post')->fetch_threadpost_by_tid_invisible($itemid);
$tidarray[$itemid] = $post['tags'];
}
$tidarray[$itemid] = str_replace("$result[tagid],$result[tagname]\t", '', $tidarray[$itemid]);
} elseif($result['idtype'] == 'blogid') {
$itemid = $result[itemid];
if(!isset($blogidarray[$itemid])) {
$blogfield = C::t('home_blogfield')->fetch($itemid);
$blogidarray[$itemid] = $blogfield['tag'];
}
$blogidarray[$itemid] = str_replace("$result[tagid],$result[tagname]\t", '', $blogidarray[$itemid]);
}
}
}
if($tidarray) {
foreach($tidarray as $key => $var) {
C::t('forum_post')->update_by_tid('tid:'.$key, $key, array('tags' => $var), false, false, 1);
}
}
if($blogidarray) {
foreach($blogidarray as $key => $var) {
C::t('home_blogfield')->update($key, array('tag' => $var));
}
}
C::t('common_tag')->delete_byids($tagidarray);
C::t('common_tagitem')->delete($tagidarray);
return true;
}
}
?>