<?php

defined('IN_PHPCMS') or exit('No permission resources.');

pc_base::load_sys_class('form','',0);

pc_base::load_sys_class('format','',0);

class index {

    function __construct() {

        $this->db = pc_base::load_model('search_model');

        $this->content_db = pc_base::load_model('content_model');

    }

    /**

     * 关键词搜索

     */

    public function init() {

        //获取siteid

        $siteid = isset($_REQUEST['siteid']) && trim($_REQUEST['siteid']) ? intval($_REQUEST['siteid']) : 1;

        $SEO = seo($siteid);

        //搜索配置

        $search_setting = getcache('search');

        $setting = $search_setting[$siteid];

        $search_model = getcache('search_model_'.$siteid);

        $type_module = getcache('type_module_'.$siteid);

        if(isset($_GET['q'])) {

            if(trim($_GET['q'])=='') {

                header('Location: '.APP_PATH.'index.php?m=search');exit;

            }

            $typeid = empty($_GET['typeid']) ? 0 : intval($_GET['typeid']);

            $time = empty($_GET['time']) || !in_array($_GET['time'],array('all','day','month','year','week')) ? 'all' : trim($_GET['time']);

            $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

            $pagesize = 10;

            $q = safe_replace(trim($_GET['q']));

            $q = new_html_special_chars(strip_tags($q));

            $q = str_replace('%', '', $q);   //过滤'%'，用户全文搜索

            $search_q = $q;    //搜索原内容

            $sql_time = $sql_tid = '';

            if($typeid) $sql_tid = ' AND typeid = '.$typeid;

            //按时间搜索

            if($time == 'day') {

                $search_time = SYS_TIME - 86400;

                $sql_time = ' AND adddate > '.$search_time;

            } elseif($time == 'week') {

                $search_time = SYS_TIME - 604800;

                $sql_time = ' AND adddate > '.$search_time;

            } elseif($time == 'month') {

                $search_time = SYS_TIME - 2592000;

                $sql_time = ' AND adddate > '.$search_time;

            } elseif($time == 'year') {

                $search_time = SYS_TIME - 31536000;

                $sql_time = ' AND adddate > '.$search_time;

            } else {

                $search_time = 0;

                $sql_time = '';

            }

            if($page==1 && !$setting['sphinxenable']) {

                //精确搜索

                $commend = $this->db->get_one("`siteid`= '$siteid' $sql_tid $sql_time AND `data` like '%$q%'");

            } else {

                $commend = '';

            }

            //如果开启sphinx

            if($setting['sphinxenable']) {

                $sphinx = pc_base::load_app_class('search_interface', '', 0);

                $sphinx = new search_interface();

                $offset = $pagesize*($page-1);

                $res = $sphinx->search($q, array($siteid), array($typeid), array($search_time, SYS_TIME), $offset, $pagesize, '@weight desc');

                $totalnums = $res['total'];

                //如果结果不为空

                if(!empty($res['matches'])) {

                    $result = $res['matches'];

                }

            } else {

                $sql = "`siteid`= '$siteid' $sql_tid $sql_time AND `data` like '%$q%'";

                $result = $this->db->listinfo($sql, 'searchid DESC', $page, 10);

            }

           var_dump($result);

            //如果结果不为空

            if(!empty($result) || !empty($commend['id'])) {

                foreach($result as $_v) {

                    if($_v['typeid']) $sids[$_v['typeid']][] = $_v['id'];

                }

                if(!empty($commend['id'])) {

                    if($commend['typeid']) $sids[$commend['typeid']][] = $commend['id'];

                }

                $model_type_cache = getcache('type_model_'.$siteid,'search');

                $model_type_cache = array_flip($model_type_cache);

                $data = array();

                foreach($sids as $_k=>$_val) {

                    $tid = $_k;

                    $ids = array_unique($_val);

                    $where = to_sqls($ids, '', 'id');

                    //获取模型id

                    $modelid = $model_type_cache[$tid];

                    //是否读取其他模块接口

                    if($modelid) {

                        $this->content_db->set_model($modelid);

                        /**

                        * 如果表名为空，则为黄页模型

                        */

                        if(empty($this->content_db->model_tablename)) {

                            $this->content_db = pc_base::load_model('yp_content_model');

                            $this->content_db->set_model($modelid);

                        }

                        $datas = $this->content_db->select($where, '*');

                    }

                    $data = array_merge($data,$datas);

                }

                $pages = $this->db->pages;

                $totalnums = $this->db->number;

                //如果分词结果为空

                if(!empty($segment_q)) {

                    $replace = explode(' ', $segment_q);

                    foreach($replace as $replace_arr_v) {

                        $replace_arr[] =  '<font color=red>'.$replace_arr_v.'</font>';

                    }

                    foreach($data as $_k=>$_v) {

                        $data[$_k]['title'] = str_replace($replace, $replace_arr, $_v['title']);

                        $data[$_k]['description'] = str_replace($replace, $replace_arr, $_v['description']);

                    }

                } else {

                    foreach($data as $_k=>$_v) {

                        $data[$_k]['title'] = str_replace($q, '<font color=red>'.$q.'</font>', $_v['title']);

                        $data[$_k]['description'] = str_replace($q, '<font color=red>'.$q.'</font>', $_v['description']);

                    }

                }

            }

            $execute_time = execute_time();

            $pages = isset($pages) ? $pages : '';

            $totalnums = isset($totalnums) ? $totalnums : 0;

            $data = isset($data) ? $data : '';

            include template('search','list');

        } else {

            include template('search','index');

        }

    }

    public function public_get_suggest_keyword() {

        $url = $_GET['url'].'&q='.$_GET['q'];

        $trust_url = array('c8430fcf851e85818b546addf5bc4dd3');

        $urm_md5 = md5($url);

        if (!in_array($urm_md5, $trust_url)) exit;

        $res = @file_get_contents($url);

        if(CHARSET != 'gbk') {

            $res = iconv('gbk', CHARSET, $res);

        }

        echo $res;

    }

    /**

     * 提示搜索接口

     * TODO 暂时未启用，用的是google的接口

     */

    public function public_suggest_search() {

        //关键词转换为拼音

        pc_base::load_sys_func('iconv');

        $pinyin = gbk_to_pinyin($q);

        if(is_array($pinyin)) {

            $pinyin = implode('', $pinyin);

        }

        $this->keyword_db = pc_base::load_model('search_keyword_model');

        $suggest = $this->keyword_db->select("pinyin like '$pinyin%'", '*', 10, 'searchnums DESC');

        foreach($suggest as $v) {

            echo $v['keyword']."\n";

        }

    }

}

?>