File: /www/wwwroot/mw.umchkw.com/application/common/model/Taglist.php
<?php
/**
* 易优CMS
* ============================================================================
* 版权所有 2016-2028 海南赞赞网络科技有限公司，并保留所有权利。
* 网站地址: http://www.eyoucms.com
* ----------------------------------------------------------------------------
* 如果商业用途务必到官方购买正版授权, 以免引起不必要的法律纠纷.
* ============================================================================
* Author: 小虎哥 <1105415366@qq.com>
* Date: 2018-4-3
*/
namespace app\common\model;
use think\Db;
use think\Model;
/**
* 文章Tag标签
*/
class Taglist extends Model
{
//初始化
protected function initialize()
{
// 需要调用`Model`的`initialize`方法
parent::initialize();
}
/**
* 获取单条记录
* @author wengxianhu by 2017-7-26
*/
public function getInfo($tid, $field = '*')
{
$result = Db::name('Taglist')->field($field)->where('tid', $tid)->find();
return $result;
}
/**
* 获取单篇文章的标签
* @author wengxianhu by 2017-7-26
*/
public function getListByAid($aid = '', $typeid = 0, $field = 'tid, tag')
{
$str = [
'tag_arr' => '',
'tid_arr' => '',
];
$result = Db::name('Taglist')->field($field)
->where(array('aid'=>$aid))
->order('aid asc')
->select();
if ($result) {
$tag_arr = get_arr_column($result, 'tag');
$str['tag_arr'] = implode(',', $tag_arr);
$id_arr = get_arr_column($result, 'tid');
$str['tid_arr'] = implode(',', $id_arr);
}
return $str;
}
/**
* 获取多篇文章的标签
* @author wengxianhu by 2017-7-26
*/
public function getListByAids($aids = array(), $field = '*')
{
$data = array();
$result = Db::name('Taglist')->field($field)
->where(array('aid'=>array('IN', $aids)))
->order('aid asc')
->select();
if ($result) {
foreach ($result as $key => $val) {
if (!isset($data[$val['aid']])) $data[$val['aid']] = array();
array_push($data[$val['aid']], $val);
}
}
return $data;
}
/**
* 插入Tags
*
* @access public
* @param int $aid 文档AID
* @param int $typeid 栏目ID
* @param string $tag tag标签
* @return void
*/
public function savetags($aid = 0, $typeid = 0, $tag = '', $arcrank = 0, $opt = 'add')
{
$tag = strip_tags(htmlspecialchars_decode($tag));
if ($opt == 'add') {
$tag = str_replace('，', ',', $tag);
$tags = explode(',', $tag);
$tags = array_map('trim', $tags);
$tags = array_unique($tags);
foreach($tags as $tag)
{
$tag = trim($tag);
if($tag != stripslashes($tag))
{
continue;
}
$this->InsertOneTag($tag, $aid, $typeid,$arcrank);
}
} else if ($opt == 'edit') {
$this->UpdateOneTag($aid, $typeid, $tag,$arcrank);
}
\think\Cache::clear('taglist');
}
/**
* 插入一个tag
*
* @access public
* @param string $tag 标签
* @param int $aid 文档AID
* @param int $typeid 栏目ID
* @return void
*/
private function InsertOneTag($tag, $aid, $typeid = 0, $arcrank = 0)
{
$tag = trim($tag);
if (empty($tag)) {
return true;
}
if (empty($typeid)) {
$typeid = 0;
}
$rs = false;
$addtime = getTime();
$row = Db::name('tagindex')->where([
'tag' => $tag,
'lang' => get_admin_lang(),
])->find();
if (empty($row)) {
$rs = $tid = Db::name('tagindex')->insertGetId([
'tag' => $tag,
'typeid' => $typeid,
'seo_title' => '',
'seo_keywords' => '',
'seo_description' => '',
'total' => 1,
'weekup' => $addtime,
'monthup' => $addtime,
'lang' => get_admin_lang(),
'add_time' => $addtime,
'update_time' => $addtime,
]);
} else {
$rs = Db::name('tagindex')->where([
'tag' => $tag,
'lang' => get_admin_lang(),
])->update([
'total' => Db::raw('total + 1'),
'update_time' => $addtime,
'lang' => get_admin_lang(),
]);
$tid = $row['id'];
}
if ($rs) {
Db::name('taglist')->insert([
'tid' => $tid,
'aid' => $aid,
'typeid' => $typeid,
'tag' => $tag,
'arcrank' => $arcrank,
'lang' => get_admin_lang(),
'add_time' => $addtime,
'update_time' => $addtime,
]);
}
}
/**
* 更新Tag
*
* @access public
* @param int $aid 文档ID
* @param int $typeid 栏目ID
* @param string $tags tag标签
* @return string
*/
private function UpdateOneTag($aid, $typeid, $tags='', $arcrank = 0)
{
$lang = get_admin_lang();
$oldtag = $this->GetTags($aid);
$oldtags = explode(',', $oldtag);
$tags = str_replace('，', ',', $tags);
$new_tags = explode(',', $tags);
if(!empty($tags) || !empty($oldtags))
{
foreach($new_tags as $tag)
{
$tag = trim($tag);
if(empty($tag) || $tag != stripslashes($tag))
{
continue;
}
if(!in_array($tag, $oldtags))
{
$this->InsertOneTag($tag, $aid, $typeid,$arcrank);
}
}
$taglistRow = Db::name('taglist')->field('count(tid) as total, tag')->where([
'tag' => ['IN', $oldtags],
'lang' => $lang,
])->group('tag')->select();
foreach ($taglistRow as $key => $val) {
$taglistRow[md5($val['tag'])] = $val;
unset($taglistRow[$key]);
}
foreach($oldtags as $tag)
{
if(!in_array($tag, $new_tags))
{
Db::name('taglist')->where(['aid'=>$aid,'tag'=>$tag])->delete();
$total = !empty($taglistRow[md5($tag)]) ? $taglistRow[md5($tag)]['total'] - 1 : 0;
if (0 < $total) {
Db::name('tagindex')->where(['tag'=>$tag,'lang'=>$lang])->update([
'total' => $total,
'update_time' => getTime(),
]);
} else {
Db::name('tagindex')->where(['tag'=>$tag,'lang'=>$lang])->delete();
}
}
else
{
Db::name('taglist')->where(['aid'=>$aid,'tag'=>$tag,'lang'=>$lang])->update([
'typeid' => $typeid,
'update_time' => getTime(),
]);
Db::name('taglist')->where(['aid'=>$aid])->update([
'arcrank' => $arcrank,
'update_time' => getTime(),
]);
}
}
}
}
/**
* 获得某文档的所有tag
*
* @param int $aid 文档id
* @return string
*/
public function GetTags($aid)
{
$tags = '';
$row = Db::name('taglist')->field('tag')->where(['aid'=>$aid])->select();
foreach ($row as $key => $val) {
$tags .= (empty($tags) ? $val['tag'] : ','.$val['tag']);
}
return $tags;
}
/**
* 删除文章标签
*/
public function delByAids($aids = array())
{
if (!empty($aids)) {
$tags = Db::name('taglist')->where(['aid'=>['IN', $aids]])->column('tag');
if (!empty($tags)) {
Db::name('taglist')->where(['aid'=>['IN', $aids]])->delete();
$tagsgroup = Db::name('taglist')->field('tag')->where(['tag'=>['IN', $tags]])->group('tag')->getAllWithIndex('tag');
// 更新标签的文档总数
foreach ($tags as $key => $tag) {
if (empty($tagsgroup[$tag])) {
Db::name('tagindex')->where(['tag'=>$tag])->update([
'typeid' => 0,
'update_time' => getTime(),
]);
// Db::name('tagindex')->where(['tag'=>$tag])->delete(); // 此逻辑作废
} else {
$total = Db::name('taglist')->where(['tag'=>$tag])->count();
Db::name('tagindex')->where([
'tag'=>$tag,
'total'=>['gt', 0],
'lang'=>get_admin_lang()
])
->update([
'total' => $total,
'update_time' => getTime(),
]);
}
}
\think\Cache::clear('taglist');
}
}
}
}