Plugin.php

<?php
if (!defined('__TYPECHO_ROOT_DIR__')) exit;
/**
 * 标签自动生成插件
 * 
 * @package AutoTags
 * @author DT27
 * @version 1.0.0
 * @link https://dt27.org
 */
class AutoTags_Plugin implements Typecho_Plugin_Interface
{
    /**
     * 激活插件方法,如果激活失败,直接抛出异常
     * 
     * @access public
     * @return void
     * @throws Typecho_Plugin_Exception
     */
    public static function activate()
    {
        Typecho_Plugin::factory('Widget_Contents_Post_Edit')->write = array('AutoTags_Plugin', 'write');

    }
    
    /**
     * 禁用插件方法,如果禁用失败,直接抛出异常
     * 
     * @static
     * @access public
     * @return void
     * @throws Typecho_Plugin_Exception
     */
    public static function deactivate(){}
    
    /**
     * 获取插件配置面板
     * 
     * @access public
     * @param Typecho_Widget_Helper_Form $form 配置面板
     * @return void
     */
    public static function config(Typecho_Widget_Helper_Form $form)
    {

        $isActive = new Typecho_Widget_Helper_Form_Element_Radio('isActive',
            array(
                '1' => '是',
                '0' => '否',
            ),'1', _t('是否启用标签自动提取功能'), _t('自动提取功能在文章已存在标签时不生效.'));
        $form->addInput($isActive);
    }
    
    /**
     * 个人用户的配置面板
     * 
     * @access public
     * @param Typecho_Widget_Helper_Form $form
     * @return void
     */
    public static function personalConfig(Typecho_Widget_Helper_Form $form){}

    /**
     * 发布文章时自动提取标签
     *
     * @access public
     * @return void
     */
    public static function write($contents, $edit)
    {
        $html = $contents['text'];
        $isMarkdown = (0 === strpos($html, '<!--markdown-->'));
        if($isMarkdown){
            $html = Markdown::convert($html);
        }
        $text = str_replace("\n", '', trim(strip_tags(html_entity_decode($html))));
        $autoTags = Typecho_Widget::widget('Widget_Options')->plugin('AutoTags');
        //插件启用,且未手动设置标签
        if($autoTags->isActive == 1 && !$contents['tags']) {
            Typecho_Widget::widget('Widget_Metas_Tag_Admin')->to($tags);
            foreach($tags->stack as $tag){
                $tagNames[] = $tag['name'];
            }
            //str_replace("\n", '', trim(strip_tags($contents['text'])))
            //过滤 html 标签等无用内容
            $postString = json_encode($text);
            $ch = curl_init('http://api.bosonnlp.com/tag/analysis?space_mode=0&oov_level=0&t2s=0');
            curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
            curl_setopt($ch, CURLOPT_POSTFIELDS,$postString);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
            curl_setopt($ch, CURLOPT_HTTPHEADER,
                array(
                    'Content-Type: application/json',
                    'Accept: application/json',
                    'X-Token: fpm1fDvA.5220.GimJs8QvViSK'
                )
            );
            $result = curl_exec($ch);
            curl_close($ch);
            $result = json_decode($result);
            $ignoreTag = array('w', 'wkz', 'wky', 'wyz', 'wyy', 'wj', 'ww', 'wt', 'wd', 'wf', 'wn', 'wm', 'ws', 'wp', 'wb', 'wh', 'email', 'tel', 'id', 'ip', 'url', 'o', 'y', 'u', 'uzhe', 'ule', 'ugou', 'ude', 'usou', 'udeng', 'uyy', 'udh', 'uzhi', 'ulian', 'c', 'p', 'pba', 'pbei', 'd', 'dl', 'q', 'm', 'r', 'z', 'b', 'bl', 'a', 'ad', 'an', 'al', 'v', 'vd', 'vshi', 'vyou', 'vl', 'f', 's', 't', 'nl');
            $sourceTags = array();
            foreach($result[0]->tag as $key => $tag){
                if(!in_array($tag, $ignoreTag)){
                    if(in_array($result[0]->word[$key], $tagNames)){
                        if(in_array($result[0]->word[$key], $sourceTags)) continue;
                        $sourceTags[] = $result[0]->word[$key];
                    }
                }
            }
            $contents['tags'] = implode(',', array_unique($sourceTags));
            if(count($contents['tags'])<3){
                $ch = curl_init('http://api.bosonnlp.com/keywords/analysis?top_k=5');
                curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
                curl_setopt($ch, CURLOPT_POSTFIELDS,$postString);
                curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
                curl_setopt($ch, CURLOPT_HTTPHEADER,
                    array(
                        'Content-Type: application/json',
                        'Accept: application/json',
                        'X-Token: fpm1fDvA.5220.GimJs8QvViSK'
                    )
                );
                $result = curl_exec($ch);
                curl_close($ch);
                $result = json_decode($result);
                foreach($result as $re){
                    $a[] = $re[1];
                }
                $contents['tags'] = $contents['tags']?$contents['tags'].','.implode(',', $a):implode(',', $a);
            }
        }
        return $contents;
    }
}