<?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');

}

/**

* 關鍵詞搜索

*/

public function init() {

//獲取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); //過濾'%'，用戶全文搜索

$search_q = $q; //搜索原內容

$sql_time = $sql_tid = '';

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

//按時間搜索

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']) {

//精確搜索

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

} else {

$commend = '';

}

//如果開啟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'];

//如果結果不為空

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);

//如果結果不為空

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');

//獲取模型id

$modelid = $model_type_cache[$tid];

//是否讀取其他模塊接口

if($modelid) {

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

/**

* 如果表名為空，則為黃頁模型

*/

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;

//如果分詞結果為空

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 暫時未啟用，用的是google的接口

*/

public function public_suggest_search() {

//關鍵詞轉換為拼音

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";

}

}

}

?>