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<?php
/**
* search class
* @package core
* @subpackage classes\objects
*/
// force UTF-8 Ø
//*************************************************************
//*ZENPHOTO SEARCH ENGINE CLASS *******************************
//*************************************************************
define('EXACT_TAG_MATCH', getOption('exact_tag_match'));
define('SEARCH_DURATION', 3000);
define('SEARCH_CACHE_DURATION', getOption('search_cache_duration'));
class SearchEngine {
var $fieldList = NULL;
var $page = 1;
var $images = NULL;
var $albums = NULL;
var $articles = NULL;
var $pages = NULL;
var $pattern;
var $tagPattern;
private $exact = false;
protected $dynalbumname = NULL;
protected $album = NULL;
protected $words;
protected $dates;
protected $whichdates = 'date'; // for zenpage date searches, which date field to search
protected $search_no_albums = false; // omit albums
protected $search_no_images = false; // omit images
protected $search_no_pages = false; // omit pages
protected $search_no_news = false; // omit news
protected $search_unpublished = false; // will override the loggedin checks with respect to unpublished items
protected $search_structure; // relates translatable names to search fields
protected $iteration = 0; // used by apply_filter('search_statistics') to indicate sequential searches of different objects
protected $processed_search = NULL;
protected $album_list = NULL; // list of albums to search
protected $category_list = NULL; // list of categories for a news search
protected $searches = NULL; // remember the criteria for past searches
protected $extraparams = array(); // allow plugins to add to search parameters
// mimic album object
var $loaded = false;
var $table = 'albums';
var $transient = true;
/**
* Constuctor
*
* @param bool $dynamic_album set true for dynamic albums (limits the search fields)
* @return SearchEngine
*/
function __construct($dynamic_album = false) {
global $_zp_exifvars, $_zp_gallery;
switch ((int) getOption('exact_tag_match')) {
case 0:
// partial
$this->tagPattern = array('type' => 'like', 'open' => '%', 'close' => '%');
break;
case 1:
// exact
$this->tagPattern = array('type' => '=', 'open' => '', 'close' => '');
break;
case 2:
//word
$this->tagPattern = array('type' => 'regexp', 'open' => '[[:<:]]', 'close' => '[[:>:]]');
break;
}
switch ((int) getOption('exact_string_match')) {
case 0:
// pattern
$this->pattern = array('type' => 'like', 'open' => '%', 'close' => '%');
break;
case 1:
// partial start
$this->pattern = array('type' => 'regexp', 'open' => '[[:<:]]', 'close' => '');
break;
case 2:
//word
$this->pattern = array('type' => 'regexp', 'open' => '[[:<:]]', 'close' => '[[:>:]]');
break;
}
$this->extraparams['albumssorttype'] = getOption('search_album_sort_type');
$this->extraparams['albumssortdirection'] = getOption('search_album_sort_direction') ? 'DESC' : '';
$this->extraparams['imagessorttype'] = getOption('search_image_sort_type');
$this->extraparams['imagessortdirection'] = getOption('search_image_sort_direction') ? 'DESC' : '';
$this->extraparams['newssorttype'] = getOption('search_newsarticle_sort_type');
$this->extraparams['newssortdirection'] = getOption('search_newsarticle_sort_direction') ? 'DESC' : '';
$this->extraparams['pagessorttype'] = getOption('search_page_sort_type');
$this->extraparams['pagessortdirection'] = getOption('search_page_sort_direction') ? 'DESC' : '';
//image/album fields
$this->search_structure['title'] = gettext('Title');
$this->search_structure['desc'] = gettext('Description');
$this->search_structure['tags'] = gettext('Tags');
$this->search_structure['tags_exact'] = ''; // internal use only field
$this->search_structure['filename'] = gettext('File/Folder name');
$this->search_structure['date'] = gettext('Date');
$this->search_structure['custom_data'] = gettext('Custom data');
$this->search_structure['location'] = gettext('Location/Place');
$this->search_structure['city'] = gettext('City');
$this->search_structure['state'] = gettext('State');
$this->search_structure['country'] = gettext('Country');
$this->search_structure['copyright'] = gettext('Copyright');
$this->search_structure['owner'] = gettext('Owner');
$this->search_structure['credit'] = gettext('Credit');
if (extensionEnabled('zenpage') && !$dynamic_album) {
//zenpage fields
$this->search_structure['content'] = gettext('Content');
$this->search_structure['extracontent'] = gettext('ExtraContent');
$this->search_structure['author'] = gettext('Author');
$this->search_structure['lastchangeauthor'] = gettext('Last Editor');
$this->search_structure['titlelink'] = gettext('TitleLink');
$this->search_structure['news_categories'] = gettext('Categories');
}
//metadata fields
foreach ($_zp_exifvars as $field => $row) {
if ($row[4] && $row[5]) { // only those that are "real" and "processed"
$this->search_structure[strtolower($field)] = $row[2];
}
}
$this->search_structure = zp_apply_filter('searchable_fields', $this->search_structure);
if (isset($_REQUEST['words'])) {
$this->words = removeTrailingSlash(strtr(sanitize($_REQUEST['words'], 4), array('__23__' => '#', '__25__' => '%', '__26__' => '&', '__2F__' => '/')));
} else {
$this->words = NULL;
if (isset($_REQUEST['date'])) { // words & dates are mutually exclusive
$this->dates = removeTrailingSlash(sanitize($_REQUEST['date'], 3));
if (isset($_REQUEST['whichdate'])) {
$this->whichdates = sanitize($_REQUEST['whichdate']);
}
} else {
$this->dates = NULL;
}
}
$this->fieldList = $this->parseQueryFields();
if (isset($_REQUEST['inalbums'])) {
$list = trim(sanitize($_REQUEST['inalbums'], 3));
if (strlen($list) > 0) {
switch ($list) {
case "0":
$this->search_no_albums = true;
setOption('search_no_albums', 1, false);
break;
case "1":
$this->search_no_albums = false;
setOption('search_no_albums', 0, false);
break;
default:
$this->album_list = explode(',', $list);
break;
}
}
}
if (isset($_REQUEST['inimages'])) {
$list = trim(sanitize($_REQUEST['inimages'], 3));
if (strlen($list) > 0) {
switch ($list) {
case "0":
$this->search_no_images = true;
setOption('search_no_images', 1, false);
break;
case "1":
$this->search_no_images = false;
setOption('search_no_images', 0, false);
break;
}
}
}
if (isset($_REQUEST['inpages'])) {
$list = trim(sanitize($_REQUEST['inpages'], 3));
if (strlen($list) > 0) {
switch ($list) {
case "0":
$this->search_no_pages = true;
setOption('search_no_pages', 1, false);
break;
}
}
}
if (isset($_REQUEST['innews'])) {
$list = trim(sanitize($_REQUEST['innews'], 3));
if (strlen($list) > 0) {
switch ($list) {
case "0":
$this->search_no_news = true;
setOption('search_no_news', 1, false);
break;
case "1":
break;
default:
$this->category_list = explode(',', $list);
break;
}
}
}
$this->images = NULL;
$this->albums = NULL;
$this->searches = array('images' => NULL, 'albums' => NULL, 'pages' => NULL, 'news' => NULL);
zp_apply_filter('search_instantiate', $this);
}
/**
* mimic an album object
* @return number
*/
function getID() {
return 0;
}
/**
* Returns a list of search fields display names indexed by the search mask
*
* @return array
*/
function getSearchFieldList() {
$list = array();
foreach ($this->search_structure as $key => $display) {
if ($display) {
$list[$display] = $key;
}
}
return $list;
}
/**
* Returns an array of the enabled search fields
*
* @return array
*/
function allowedSearchFields() {
$setlist = array();
$fields = strtolower(getOption('search_fields'));
if (is_numeric($fields)) {
$setlist = $this->numericFields($fields);
} else {
$list = explode(',', $fields);
foreach ($this->search_structure as $key => $display) {
if (in_array($key, $list)) {
$setlist[$display] = $key;
}
}
}
return $setlist;
}
/**
* converts old style bitmask field spec into field list array
*
* @param bit $fields
* @return array
*/
protected function numericFields($fields) {
if ($fields == 0)
$fields = 0x0fff;
if ($fields & 0x01)
$list[$this->search_structure['title']] = 'title';
if ($fields & 0x02)
$list[$this->search_structure['desc']] = 'desc';
if ($fields & 0x04)
$list[$this->search_structure['tags']] = 'tags';
if ($fields & 0x08)
$list[$this->search_structure['filename']] = 'filename';
return $list;
}
/**
* creates a search query from the search words
*
* @param bool $long set to false to omit albumname and page parts
*
* @return string
*/
function getSearchParams($long = true) {
global $_zp_page;
$r = '';
$w = urlencode(trim($this->codifySearchString()));
if (!empty($w)) {
$r .= '&words=' . $w;
}
$d = trim($this->dates);
if (!empty($d)) {
$r .= '&date=' . $d;
$d = trim($this->whichdates);
if ($d != 'date') {
$r.= '&whichdates=' . $d;
}
}
$r .= $this->getSearchFieldsText($this->fieldList);
if ($long) {
$a = $this->dynalbumname;
if ($a) {
$r .= '&albumname=' . $a;
}
if (empty($this->album_list)) {
if ($this->search_no_albums) {
$r .= '&inalbums=0';
}
} else {
$r .= '&inalbums=' . implode(',', $this->album_list);
}
if ($this->search_no_images) {
$r .= '&inimages=0';
}
if ($this->search_no_pages) {
$r .= '&inpages=0';
}
if (empty($this->categories)) {
if ($this->search_no_news) {
$r .= '&innews=0';
}
} else {
$r .= '&innews=' . implode(',', $this->categories);
}
if ($_zp_page > 1) {
$this->page = $_zp_page;
$r .= '&page=' . $_zp_page;
}
}
foreach ($this->extraparams as $p => $v) {
$r .= '&' . $p . '=' . $v;
}
return $r;
}
/**
*
* Retrieves search extra parameters
* @return array
*/
function getSearchExtra() {
return $this->extraparams;
}
/**
*
* Stores extra search params for plugin use
* @param array $extra
*/
function setSearchExtra($extra) {
$this->extraparams = $extra;
}
/**
* sets sort directions
*
* @param bool $val the direction
* @param string $what 'images' if you want the image direction,
* 'albums' if you want it for the album
*/
function setSortDirection($val, $what = 'images') {
if ($val) {
$this->extraparams[$what . 'sortdirection'] = 'DESC';
} else {
$this->extraparams[$what . 'sortdirection'] = 'ASC';
}
}
/**
* Stores the sort type
*
* @param string $sorttype the sort type
* @param string $what 'images' or 'albums'
*/
function setSortType($sorttype, $what = 'images') {
$this->extraparams[$what . 'sorttype'] = $sorttype;
}
/**
* Returns the "searchstring" element of a query parameter set
*
* @param array $fields the fields required
* @param string $param the query parameter (possibly with the intro character
* @return string
*/
function getSearchFieldsText($fields, $param = '&searchfields=') {
$default = $this->allowedSearchFields();
$diff = array_diff($default, $fields);
if (count($diff) > 0) {
foreach ($fields as $field) {
$param .= $field . ',';
}
return substr($param, 0, -1);
}
return '';
}
/**
* Parses and stores a search string
* NOTE!! this function assumes that the 'words' part of the list has been urlencoded!!!
*
* @param string $paramstr the string containing the search words
*/
function setSearchParams($paramstr) {
$params = explode('&', $paramstr);
foreach ($params as $param) {
$e = strpos($param, '=');
$p = substr($param, 0, $e);
$v = substr($param, $e + 1);
switch ($p) {
case 'words':
$this->words = urldecode($v);
break;
case 'date':
$this->dates = $v;
break;
case 'whichdates':
$this->whichdates = $v;
break;
case 'searchfields':
if (is_numeric($v)) {
$this->fieldList = $this->numericFields($v);
} else {
$this->fieldList = array();
$list = explode(',', strtolower($v));
foreach ($this->search_structure as $key => $row) {
if (in_array(strtolower($key), $list)) {
$this->fieldList[] = $key;
}
}
}
break;
case 'page':
$this->page = $v;
break;
case 'albumname':
$alb = newAlbum($v, true, true);
if ($alb->loaded) {
$this->album = $alb;
$this->dynalbumname = $v;
$this->setSortType($this->album->getSortType('album'), 'albums');
$this->setSortDirection($this->album->getSortDirection('album'), 'albums');
$this->setSortType($this->album->getSortType(), 'images');
$this->setSortDirection($this->album->getSortDirection('image'), 'images');
}
break;
case 'inimages':
if (strlen($v) > 0) {
switch ($v) {
case "0":
$this->search_no_images = true;
setOption('search_no_images', 1, false);
break;
case "1":
$this->search_no_images = false;
setOption('search_no_images', 0, false);
break;
}
}
break;
case 'inalbums':
if (strlen($v) > 0) {
switch ($v) {
case "0":
$this->search_no_albums = true;
setOption('search_no_albums', 1, false);
break;
case "1":
$this->search_no_albums = false;
setOption('search_no_albums', 0, false);
break;
default:
$this->album_list = explode(',', $v);
break;
}
}
break;
case 'unpublished':
$this->search_unpublished = (bool) $v;
break;
default:
$this->extraparams[$p] = $v;
break;
}
}
if (!empty($this->words)) {
$this->dates = ''; // words and dates are mutually exclusive
}
}
// call to always return unpublished items
function setSearchUnpublished() {
$this->search_unpublished = true;
}
/**
* Returns the search words variable
*
* @return string
*/
function getSearchWords() {
return $this->words;
}
/**
* Returns the search dates variable
*
* @return string
*/
function getSearchDate() {
return $this->dates;
}
/**
* Returns the search fields variable
*
* @param bool $array set to true to return the fields as array elements. Otherwise
* a comma delimited string is returned
*
* @return mixed
*/
function getSearchFields($array = false) {
if ($array)
return $this->fieldList;
return implode(',', $this->fieldList);
}
/**
* Parses a search string
* Items within quotations are treated as atomic
* AND, OR and NOT are converted to &, |, and !
*
* Returns an array of search elements
*
* @return array
*/
function getSearchString() {
if ($this->processed_search) {
return $this->processed_search;
}
$searchstring = trim($this->words);
$space_is = getOption('search_space_is');
$opChars = array('&' => 1, '|' => 1, '!' => 1, ',' => 1, '(' => 2);
if ($space_is) {
$opChars[' '] = 1;
}
$c1 = ' ';
$result = array();
$target = "";
$i = 0;
do {
$c = substr($searchstring, $i, 1);
$op = '';
switch ($c) {
case "'":
case '"':
case '`':
$j = strpos(str_replace('\\' . $c, '__', $searchstring), $c, $i + 1);
if ($j !== false) {
$target .= stripcslashes(substr($searchstring, $i + 1, $j - $i - 1));
$i = $j;
} else {
$target .= $c;
}
$c1 = $c;
break;
case ' ':
$j = $i + 1;
while ($j < strlen($searchstring) && $searchstring{$j} == ' ') {
$j++;
}
switch ($space_is) {
case 'OR':
case 'AND':
if ($j < strlen($searchstring)) {
$c3 = $searchstring{$j};
if (array_key_exists($c3, $opChars) && $opChars[$c3] == 1) {
$nextop = $c3 != '!';
} else if (substr($searchstring . ' ', $j, 4) == 'AND ') {
$nextop = true;
} else if (substr($searchstring . ' ', $j, 3) == 'OR ') {
$nextop = true;
} else {
$nextop = false;
}
}
if (!$nextop) {
if (!empty($target)) {
$r = trim($target);
if (!empty($r)) {
$last = $result[] = $r;
$target = '';
}
}
if ($space_is == 'AND') {
$c1 = '&';
} else {
$c1 = '|';
}
$target = '';
$last = $result[] = $c1;
}
break;
default:
$c1 = $c;
$target .= str_pad('', $j - $i);
break;
}
$i = $j - 1;
break;
case ',':
if (!empty($target)) {
$r = trim($target);
if (!empty($r)) {
switch ($r) {
case 'AND':
$r = '&';
break;
case 'OR':
$r = '|';
break;
case 'NOT':
$r = '!';
break;
}
$last = $result[] = $r;
$target = '';
}
}
$c2 = substr($searchstring, $i + 1, 1);
switch ($c2) {
case 'A':
if (substr($searchstring . ' ', $i + 1, 4) == 'AND ')
$c2 = '&';
break;
case 'O':
if (substr($searchstring . ' ', $i + 1, 3) == 'OR ')
$c2 = '|';
break;
case 'N':
if (substr($searchstring . ' ', $i + 1, 4) == 'NOT ')
$c2 = '!';
break;
}
if (!((isset($opChars[$c2]) && $opChars[$c2] == 1) || (isset($opChars[$last]) && $opChars[$last] == 1))) {
$last = $result[] = '|';
$c1 = $c;
}
break;
case '!':
case '&':
case '|':
case '(':
case ')':
if (!empty($target)) {
$r = trim($target);
if (!empty($r)) {
$last = $result[] = $r;
$target = '';
}
}
$c1 = $c;
$target = '';
$last = $result[] = $c;
$j = $i + 1;
break;
case 'A':
if (substr($searchstring . ' ', $i, 4) == 'AND ') {
$op = '&';
$skip = 3;
}
case 'O':
if (substr($searchstring . ' ', $i, 3) == 'OR ') {
$op = '|';
$skip = 2;
}
case 'N':
if (substr($searchstring . ' ', $i, 4) == 'NOT ') {
$op = '!';
$skip = 3;
}
if ($op) {
if (!empty($target)) {
$r = trim($target);
if (!empty($r)) {
$last = $result[] = $r;
$target = '';
}
}
$c1 = $op;
$target = '';
$last = $result[] = $op;
$j = $i + $skip;
while ($j < strlen($searchstring) && substr($searchstring, $j, 1) == ' ') {
$j++;
}
$i = $j - 1;
} else {
$c1 = $c;
$target .= $c;
}
break;
default:
$c1 = $c;
$target .= $c;
break;
}
} while ($i++ < strlen($searchstring));
if (!empty($target)) {
$last = $result[] = trim($target);
}
$lasttoken = '';
foreach ($result as $key => $token) {
if ($token == '|' && $lasttoken == '|') { // remove redundant OR ops
unset($result[$key]);
}
$lasttoken = $token;
}
if (array_key_exists($lasttoken, $opChars) && $opChars[$lasttoken] == 1) {
array_pop($result);
}
$this->processed_search = zp_apply_filter('search_criteria', $result);
return $this->processed_search;
}
/**
* recodes the search words replacing the boolean operators with text versions
*
* @param string $quote how to represent quoted strings
*
* @return string
*
*/
function codifySearchString() {
$searchstring = $this->getSearchString();
$sanitizedwords = '';
if (is_array($searchstring)) {
foreach ($searchstring as $singlesearchstring) {
switch ($singlesearchstring) {
case '&':
$sanitizedwords .= " AND ";
break;
case '|':
$sanitizedwords .= " OR ";
break;
case '!':
$sanitizedwords .= " NOT ";
break;
case '(':
case ')':
$sanitizedwords .= $singlesearchstring;
break;
default:
$sanitizedwords .= search_quote(sanitize($singlesearchstring, 3));
break;
}
}
}
$sanitizedwords = trim(str_replace(array(' ', ' ',), ' ', $sanitizedwords));
$sanitizedwords = trim(str_replace('( ', '(', $sanitizedwords));
$sanitizedwords = trim(str_replace(' )', ')', $sanitizedwords));
return $sanitizedwords;
}
/**
* Returns the number of albums found in a search
*
* @return int
*/
function getNumAlbums() {
if (is_null($this->albums)) {
$this->getAlbums(0, NULL, NULL, false);
}
return count($this->albums);
}
/**
* Returns the set of fields from the url query/post
* @return int
* @since 1.1.3
*/
function parseQueryFields() {
$fields = array();
if (isset($_REQUEST['searchfields'])) {
$fs = sanitize($_REQUEST['searchfields']);
if (is_numeric($fs)) {
$fields = array_flip($this->numericFields($fs));
} else {
$fields = explode(',', $fs);
}
} else {
foreach ($_REQUEST as $key => $value) {
if (strpos($key, 'SEARCH_') !== false) {
$fields[substr($key, 7)] = $value;
}
}
}
return $fields;
}
/**
*
* Returns an array of News article IDs belonging to the search categories
*/
protected function subsetNewsCategories() {
global $_zp_zenpage;
if (!is_array($this->category_list))
return false;
$cat = '';
$list = $_zp_zenpage->getAllCategories();
if (!empty($list)) {
foreach ($list as $category) {
if (in_array($category['title'], $this->category_list)) {
$catobj = new ZenpageCategory($category['titlelink']);
$cat .= ' `cat_id`=' . $catobj->getID() . ' OR';
$subcats = $catobj->getSubCategories();
if ($subcats) {
foreach ($subcats as $subcat) {
$catobj = new ZenpageCategory($subcat);
$cat .= ' `cat_id`=' . $catobj->getID() . ' OR';
}
}
}
}
if ($cat) {
$cat = ' WHERE ' . substr($cat, 0, -3);
}
}
$sql = 'SELECT DISTINCT `news_id` FROM ' . prefix('news2cat') . $cat;
$result = query($sql);
$list = array();
if ($result) {
while ($row = db_fetch_assoc($result)) {
$list[] = $row['news_id'];
}
db_free_result($result);
}
return $list;
}
/**
* Takes a list of IDs and makes a where clause
*
* @param array $idlist list of IDs for a where clause
*/
protected static function compressedIDList($idlist) {
$idlist = array_unique($idlist);
asort($idlist);
return '`id` IN (' . implode(',', $idlist) . ')';
}
/**
* get connical sort key and direction parameters.
* @param type $sorttype sort field desired
* @param type $sortdirection DESC or ASC
* @param type $defaulttype if no sort type otherwise selected use this one
* @param type $table the database table being searched
* @return array
*/
protected function sortKey($sorttype, $sortdirection, $defaulttype, $table) {
if (is_null($sorttype)) {
if (array_key_exists($table . 'sorttype', $this->extraparams)) {
$sorttype = $this->extraparams[$table . 'sorttype'];
} else if (array_key_exists('sorttype', $this->extraparams)) {
$sorttype = $this->extraparams['sorttype'];
}
}
$sorttype = lookupSortKey($sorttype, $defaulttype, $table);
if (is_null($sortdirection)) {
if (array_key_exists($table . 'sortdirection', $this->extraparams)) {
$sortdirection = $this->extraparams[$table . 'sortdirection'];
} else if (array_key_exists('sortdirection', $this->extraparams)) {
$sortdirection = $this->extraparams['sortdirection'];
}
}
return array($sorttype, $sortdirection);
}
/**
* returns the results of a date search
* @param string $searchstring the search target
* @param string $searchdate the date target
* @param string $tbl the database table to search
* @param string $sorttype what to sort on
* @param string $sortdirection what direction
* @return string
* @since 1.1.3
*/
function searchDate($searchstring, $searchdate, $tbl, $sorttype, $sortdirection, $whichdate = 'date') {
global $_zp_current_album, $_zp_gallery;
$sql = 'SELECT DISTINCT `id`, `show`,`title`';
switch ($tbl) {
case 'pages':
case 'news':
$sql .= ',`titlelink` ';
break;
case 'albums':
$sql .= ",`desc`,`folder` ";
break;
default:
$sql .= ",`desc`,`albumid`,`filename`,`location`,`city`,`state`,`country` ";
break;
}
$sql .= "FROM " . prefix($tbl) . " WHERE ";
if (!zp_loggedin()) {
$sql .= "`show` = 1 AND (";
}
if (!empty($searchdate)) {
if ($searchdate == "0000-00") {
$sql .= "`$whichdate`=\"0000-00-00 00:00:00\"";
} else {
$datesize = sizeof(explode('-', $searchdate));
// search by day
if ($datesize == 3) {
$d1 = $searchdate . " 00:00:00";
$d2 = $searchdate . " 23:59:59";
$sql .= "`$whichdate` >= \"$d1\" AND `$whichdate` < \"$d2\"";
}
// search by month
else if ($datesize == 2) {
$d1 = $searchdate . "-01 00:00:00";
$d = strtotime($d1);
$d = strtotime('+ 1 month', $d);
$d2 = substr(date('Y-m-d H:m:s', $d), 0, 7) . "-01 00:00:00";
$sql .= "`$whichdate` >= \"$d1\" AND `$whichdate` < \"$d2\"";
} else {
$sql .= "`$whichdate`<\"0000-00-00 00:00:00\"";
}
}
}
if (!zp_loggedin()) {
$sql .= ")";
}
switch ($tbl) {
case 'news':
case 'pages':
if (empty($sorttype)) {
$key = '`date` DESC';
} else {
$key = trim($sorttype . ' ' . $sortdirection);
}
break;
case 'albums':
if (is_null($sorttype)) {
if (empty($this->album)) {
list($key, $sortdirection) = $this->sortKey($_zp_gallery->getSortType(), $sortdirection, 'title', 'albums');
if ($key != '`sort_order`') {
if ($_zp_gallery->getSortDirection()) {
$key .= " DESC";
}
}
} else {
$key = $this->album->getAlbumSortKey();
if ($key != '`sort_order`' && $key != 'RAND()') {
if ($this->album->getSortDirection('album')) {
$key .= " DESC";
}
}
}
} else {
list($key, $sortdirection) = $this->sortKey($sorttype, $sortdirection, 'title', 'albums');
$key = trim($key . ' ' . $sortdirection);
}
break;
default:
$hidealbums = getNotViewableAlbums();
if (!is_null($hidealbums)) {
foreach ($hidealbums as $id) {
$sql .= ' AND `albumid`!=' . $id;
}
}
if (is_null($sorttype)) {
if (empty($this->album)) {
list($key, $sortdirection) = $this->sortKey(IMAGE_SORT_TYPE, $sortdirection, 'title', 'images');
if ($key != '`sort_order`') {
if (IMAGE_SORT_DIRECTION) {
$key .= " DESC";
}
}
} else {
$key = $thie->album->getImageSortKey();
if ($key != '`sort_order`' && $key != 'RAND()') {
if ($this->album->getSortDirection('image')) {
$key .= " DESC";
}
}
}
} else {
list($key, $sortdirection) = $this->sortKey($sorttype, $sortdirection, 'title', 'images');
$key = trim($key . ' ' . $sortdirection);
}
break;
}
$sql .= " ORDER BY " . $key;
return $sql;
}
/**
* Searches the table for tags
* Returns an array of database records.
*
* @param array $searchstring
* @param string $tbl set DB table name to be searched
* @param string $sorttype what to sort on
* @param string $sortdirection what direction
* @return array
*/
protected function searchFieldsAndTags($searchstring, $tbl, $sorttype, $sortdirection) {
global $_zp_gallery;
$weights = $idlist = array();
$sql = $allIDs = NULL;
$tagPattern = $this->tagPattern;
// create an array of [tag, objectid] pairs for tags
$tag_objects = array();
$fields = $this->fieldList;
if (count($fields) == 0) { // then use the default ones
$fields = $this->allowedSearchFields();
}
foreach ($fields as $key => $field) {
switch ($field) {
case 'news_categories':
if ($tbl != 'news') {
break;
}
unset($fields[$key]);
query('SET @serachfield="news_categories"');
$tagsql = 'SELECT @serachfield AS field, t.`title` AS name, o.`news_id` AS `objectid` FROM ' . prefix('news_categories') . ' AS t, ' . prefix('news2cat') . ' AS o WHERE t.`id`=o.`cat_id` AND (';
foreach ($searchstring as $singlesearchstring) {
switch ($singlesearchstring) {
case '&':
case '!':
case '|':
case '(':
case ')':
break;
case '*':
$targetfound = true;
$tagsql .= "COALESCE(title, '') != '' OR ";
break;
default:
$targetfound = true;
$tagsql .= '`title` = ' . db_quote($singlesearchstring) . ' OR ';
}
}
$tagsql = substr($tagsql, 0, strlen($tagsql) - 4) . ') ORDER BY t.`id`';
$objects = query_full_array($tagsql, false);
if (is_array($objects)) {
$tag_objects = $objects;
}
break;
case 'tags_exact':
$tagPattern = array('type' => '=', 'open' => '', 'close' => '');
case 'tags':
unset($fields[$key]);
query('SET @serachfield="tags"');
$tagsql = 'SELECT @serachfield AS field, t.`name`, o.`objectid` FROM ' . prefix('tags') . ' AS t, ' . prefix('obj_to_tag') . ' AS o WHERE t.`id`=o.`tagid` AND o.`type`="' . $tbl . '" AND (';
foreach ($searchstring as $singlesearchstring) {
switch ($singlesearchstring) {
case '&':
case '!':
case '|':
case '(':
case ')':
break;
case '*':
query('SET @emptyfield="*"');
$tagsql = str_replace('t.`name`', '@emptyfield as name', $tagsql);
$tagsql .= "t.`name` IS NOT NULL OR ";
break;
default:
$targetfound = true;
if ($tagPattern['type'] == 'like') {
$target = db_LIKE_escape($singlesearchstring);
} else {
$target = $singlesearchstring;
}
$tagsql .= 't.`name` ' . strtoupper($tagPattern['type']) . ' ' . db_quote($tagPattern['open'] . $target . $tagPattern['close']) . ' OR ';
}
}
$tagsql = substr($tagsql, 0, strlen($tagsql) - 4) . ') ORDER BY t.`id`';
$objects = query_full_array($tagsql, false);
if (is_array($objects)) {
$tag_objects = array_merge($tag_objects, $objects);
}
break;
default:
break;
}
}
// create an array of [name, objectid] pairs for the search fields.
$field_objects = array();
if (count($fields) > 0) {
$columns = array();
$dbfields = db_list_fields($tbl);
if (is_array($dbfields)) {
foreach ($dbfields as $row) {
$columns[] = strtolower($row['Field']);
}
}
foreach ($searchstring as $singlesearchstring) {
switch ($singlesearchstring) {
case '!':
case '&':
case '|':
case '(':
case ')':
break;
default:
$targetfound = true;
query('SET @serachtarget=' . db_quote($singlesearchstring));
foreach ($fields as $fieldname) {
if ($tbl == 'albums' && strtolower($fieldname) == 'filename') {
$fieldname = 'folder';
} else {
$fieldname = strtolower($fieldname);
}
if ($fieldname && in_array($fieldname, $columns)) {
query('SET @serachfield=' . db_quote($fieldname));
switch ($singlesearchstring) {
case '*':
$sql = 'SELECT @serachtarget AS name, @serachfield AS field, `id` AS `objectid` FROM ' . prefix($tbl) . ' WHERE (' . "COALESCE(`$fieldname`, '') != ''" . ') ORDER BY `id`';
break;
default:
if ($this->pattern['type'] == 'like') {
$target = db_LIKE_escape($singlesearchstring);
} else {
$target = $singlesearchstring;
}
$fieldsql = ' `' . $fieldname . '` ' . strtoupper($this->pattern['type']) . ' ' . db_quote($this->pattern['open'] . $target . $this->pattern['close']);
$sql = 'SELECT @serachtarget AS name, @serachfield AS field, `id` AS `objectid` FROM ' . prefix($tbl) . ' WHERE (' . $fieldsql . ') ORDER BY `id`';
}
$objects = query_full_array($sql, false);
if (is_array($objects)) {
$field_objects = array_merge($field_objects, $objects);
}
}
}
}
}
}
// now do the boolean logic of the search string
$exact = $tagPattern['type'] == '=';
$objects = array_merge($tag_objects, $field_objects);
if (count($objects) != 0) {
$tagid = '';
$taglist = array();
foreach ($objects as $object) {
$tagid = strtolower($object['name']);
if (!isset($taglist[$tagid]) || !is_array($taglist[$tagid])) {
$taglist[$tagid] = array();
}
$taglist[$tagid][] = $object['objectid'];
}
$op = '';
$idstack = array();
$opstack = array();
while (count($searchstring) > 0) {
$singlesearchstring = array_shift($searchstring);
switch ($singlesearchstring) {
case '&':
case '!':
case '|':
$op = $op . $singlesearchstring;
break;
case '(':
array_push($idstack, $idlist);
array_push($opstack, $op);
$idlist = array();
$op = '';
break;
case ')':
$objectid = $idlist;
$idlist = array_pop($idstack);
$op = array_pop($opstack);
switch ($op) {
case '&':
if (is_array($objectid)) {
$idlist = array_intersect($idlist, $objectid);
} else {
$idlist = array();
}
break;
case '!':
break; // Paren followed by NOT is nonsensical?
case '&!':
if (is_array($objectid)) {
$idlist = array_diff($idlist, $objectid);
}
break;
case '';
case '|':
if (is_array($objectid)) {
$idlist = array_merge($idlist, $objectid);
}
break;
}
$op = '';
break;
default:
$lookfor = strtolower($singlesearchstring);
$objectid = NULL;
foreach ($taglist as $key => $objlist) {
if (($exact && $lookfor == $key) || (!$exact && preg_match('|' . preg_quote($lookfor) . '|', $key))) {
if (is_array($objectid)) {
$objectid = array_merge($objectid, $objlist);
} else {
$objectid = $objlist;
}
}
}
switch ($op) {
case '&':
if (is_array($objectid)) {
$idlist = array_intersect($idlist, $objectid);
} else {
$idlist = array();
}
break;
case '!':
if (is_null($allIDs)) {
$allIDs = array();
$result = query("SELECT `id` FROM " . prefix($tbl));
if ($result) {
while ($row = db_fetch_assoc($result)) {
$allIDs[] = $row['id'];
}
db_free_result($result);
}
}
if (is_array($objectid)) {
$idlist = array_merge($idlist, array_diff($allIDs, $objectid));
}
break;
case '&!':
if (is_array($objectid)) {
$idlist = array_diff($idlist, $objectid);
}
break;
case '';
case '|':
if (is_array($objectid)) {
$idlist = array_merge($idlist, $objectid);
}
break;
}
$op = '';
break;
}
}
}
// we now have an id list of the items that were found and will create the SQL Search to retrieve their records
if (count($idlist) > 0) {
$weights = array_count_values($idlist);
arsort($weights, SORT_NUMERIC);
$sql = 'SELECT DISTINCT `id`,`show`,';
switch ($tbl) {
case 'news':
if ($this->search_unpublished || zp_loggedin(MANAGE_ALL_NEWS_RIGHTS)) {
$show = '';
} else {
$show = "`show` = 1 AND ";
}
$sql .= '`title`, `titlelink` ';
if (is_array($this->category_list)) {
$news_list = $this->subsetNewsCategories();
$idlist = array_intersect($news_list, $idlist);
if (count($idlist) == 0) {
return array(false, array());
}
}
if (empty($sorttype)) {
$key = '`date` DESC';
} else {
$key = trim($sorttype . $sortdirection);
}
if ($show) {
$show .= '`date`<=' . db_quote(date('Y-m-d H:i:s')) . ' AND ';
}
break;
case 'pages':
if (zp_loggedin(MANAGE_ALL_PAGES_RIGHTS)) {
$show = '';
} else {
$show = "`show` = 1 AND ";
}
$sql .= '`title`, `titlelink` ';
if (empty($sorttype)) {
$key = '`date` DESC';
} else {
$key = trim($sorttype . $sortdirection);
}
if ($show) {
$show .= '`date`<=' . db_quote(date('Y-m-d H:i:s')) . ' AND ';
}
break;
case 'albums':
if ($this->search_unpublished || zp_loggedin()) {
$show = '';
} else {
$show = "`show` = 1 AND ";
}
$sql .= "`folder`, `title` ";
if (is_null($sorttype)) {
if (empty($this->album)) {
list($key, $sortdirection) = $this->sortKey($_zp_gallery->getSortType(), $sortdirection, 'title', 'albums');
if ($_zp_gallery->getSortDirection()) {
$key .= " DESC";
}
} else {
$key = $this->album->getAlbumSortKey();
if ($key != '`sort_order`' && $key != 'RAND()') {
if ($this->album->getSortDirection('album')) {
$key .= " DESC";
}
}
}
} else {
list($key, $sortdirection) = $this->sortKey($sorttype, $sortdirection, 'title', 'albums');
$key = trim($key . ' ' . $sortdirection);
}
break;
default: // images
if ($this->search_unpublished || zp_loggedin()) {
$show = '';
} else {
$show = "`show` = 1 AND ";
}
$sql .= "`albumid`, `filename`, `title` ";
if (is_null($sorttype)) {
if (empty($this->album)) {
list($key, $sortdirection) = $this->sortKey($sorttype, $sortdirection, 'title', 'images');
if ($sortdirection) {
$key .= " DESC";
}
} else {
$key = $this->album->getImageSortKey();
if ($key != '`sort_order`') {
if ($this->album->getSortDirection('image')) {
$key .= " DESC";
}
}
}
} else {
list($key, $sortdirection) = $this->sortKey($sorttype, $sortdirection, 'title', 'images');
$key = trim($key . ' ' . $sortdirection);
}
break;
}
$sql .= "FROM " . prefix($tbl) . " WHERE " . $show;
$sql .= '(' . self::compressedIDList($idlist) . ')';
$sql .= " ORDER BY " . $key;
return array($sql, $weights);
}
return array(false, array());
}
/**
* Returns an array of albums found in the search
* @param string $sorttype what to sort on
* @param string $sortdirection what direction
* @param bool $mine set true/false to override ownership
*
* @return array
*/
private function getSearchAlbums($sorttype, $sortdirection, $mine = NULL) {
if (getOption('search_no_albums') || $this->search_no_albums) {
return array();
}
list($sorttype, $sortdirection) = $this->sortKey($sorttype, $sortdirection, 'title', 'albums');
$albums = array();
$searchstring = $this->getSearchString();
if (empty($searchstring)) {
return array();
} // nothing to find
$criteria = $this->getCacheTag('albums', serialize($searchstring), $sorttype . ' ' . $sortdirection . ' '. $mine);
if ($this->albums && $criteria == $this->searches['albums']) {
return $this->albums;
}
$albums = $this->getCachedSearch($criteria);
if (is_null($albums)) {
if (is_null($mine) && zp_loggedin(MANAGE_ALL_ALBUM_RIGHTS)) {
$mine = true;
}
$result = $albums = array();
list ($search_query, $weights) = $this->searchFieldsAndTags($searchstring, 'albums', $sorttype, $sortdirection);
if (!empty($search_query)) {
$search_result = query($search_query);
if ($search_result) {
while ($row = db_fetch_assoc($search_result)) {
$albumname = $row['folder'];
if ($albumname != $this->dynalbumname) {
if (file_exists(ALBUM_FOLDER_SERVERPATH . internalToFilesystem($albumname))) {
$album = newAlbum($albumname);
$uralbum = getUrAlbum($album);
$viewUnpublished = ($this->search_unpublished || zp_loggedin() && $uralbum->albumSubRights() & (MANAGED_OBJECT_RIGHTS_EDIT | MANAGED_OBJECT_RIGHTS_VIEW));
switch (checkPublishDates($row)) {
case 1:
$album->setShow(0);
$album->save();
case 2:
$row['show'] = 0;
}
if ($mine || (is_null($mine) && $album->isMyItem(LIST_RIGHTS)) || (checkAlbumPassword($albumname) && ($row['show'] || $viewUnpublished))) {
if (empty($this->album_list) || in_array($albumname, $this->album_list)) {
$result[] = array('title' => $row['title'], 'name' => $albumname, 'weight' => $weights[$row['id']]);
}
}
}
}
}
db_free_result($search_result);
if (is_null($sorttype)) {
$result = sortMultiArray($result, 'weight', true, true, false, false, array('weight'));
}
if ($sorttype == '`title`') {
$result = sortByMultilingual($result, 'title', $sortdirection);
}
foreach ($result as $album) {
$albums[] = $album['name'];
}
}
}
zp_apply_filter('search_statistics', $searchstring, 'albums', !empty($albums), $this->dynalbumname, $this->iteration++);
$this->cacheSearch($criteria, $albums);
}
$this->albums = $albums;
$this->searches['albums'] = $criteria;
return $albums;
}
/**
* Returns an array of album names found in the search.
* If $page is not zero, it returns the current page's albums
*
* @param int $page the page number we are on
* @param string $sorttype what to sort on
* @param string $sortdirection what direction
* @param bool $care set to false if the order of the albums does not matter
* @param bool $mine set true/false to override ownership
*
* @return array
*/
function getAlbums($page = 0, $sorttype = NULL, $sortdirection = NULL, $care = true, $mine = NULL) {
$this->albums = $this->getSearchAlbums($sorttype, $sortdirection, $mine);
if ($page == 0) {
return $this->albums;
} else {
$albums_per_page = max(1, getOption('albums_per_page'));
return array_slice($this->albums, $albums_per_page * ($page - 1), $albums_per_page);
}
}
/**
* Returns the index of the album within the search albums
*
* @param string $curalbum The album sought
* @return int
*/
function getAlbumIndex($curalbum) {
$albums = $this->getAlbums(0);
return array_search($curalbum, $albums);
}
/**
* Returns the album following the current one
*
* @param string $curalbum the name of the current album
* @return object
*/
function getNextAlbum($curalbum) {
global $_zp_gallery;
$albums = $this->getAlbums(0);
$inx = array_search($curalbum, $albums) + 1;
if ($inx >= 0 && $inx < count($albums)) {
return newAlbum($albums[$inx]);
}
return null;
}
/**
* Returns the album preceding the current one
*
* @param string $curalbum the name of the current album
* @return object
*/
function getPrevAlbum($curalbum) {
global $_zp_gallery;
$albums = $this->getAlbums(0);
$inx = array_search($curalbum, $albums) - 1;
if ($inx >= 0 && $inx < count($albums)) {
return newAlbum($albums[$inx]);
}
return null;
}
/**
* Returns the number of images found in the search
*
* @return int
*/
function getNumImages() {
if (is_null($this->images)) {
$this->getImages(0);
}
return count($this->images);
}
/**
* Returns an array of image names found in the search
*
* @param string $sorttype what to sort on
* @param string $sortdirection what direction
* @param bool $mine set true/false to overried ownership
* @return array
*/
private function getSearchImages($sorttype, $sortdirection, $mine = NULL) {
if (getOption('search_no_images') || $this->search_no_images) {
return array();
}
list($sorttype, $sortdirection) = $this->sortKey($sorttype, $sortdirection, 'title', 'images');
if (is_null($mine) && zp_loggedin(MANAGE_ALL_ALBUM_RIGHTS)) {
$mine = true;
}
$searchstring = $this->getSearchString();
$searchdate = $this->dates;
if (empty($searchstring) && empty($searchdate)) {
return array();
} // nothing to find
$criteria = $this->getCacheTag('images', serialize($searchstring) . ' ' . $searchdate, $sorttype . ' ' . $sortdirection . ' '.$mine);
if ($criteria == $this->searches['images']) {
return $this->images;
}
$images = $this->getCachedSearch($criteria);
if (is_null($images)) {
if (empty($searchdate)) {
list ($search_query, $weights) = $this->searchFieldsAndTags($searchstring, 'images', $sorttype, $sortdirection);
} else {
$search_query = $this->searchDate($searchstring, $searchdate, 'images', $sorttype, $sortdirection);
}
if (empty($search_query)) {
$search_result = false;
} else {
$search_result = query($search_query);
}
$albums_seen = $images = array();
if ($search_result) {
while ($row = db_fetch_assoc($search_result)) {
$albumid = $row['albumid'];
if (array_key_exists($albumid, $albums_seen)) {
$albumrow = $albums_seen[$albumid];
} else {
$query = "SELECT folder, `show` FROM " . prefix('albums') . " WHERE id = $albumid";
$row2 = query_single_row($query); // id is unique
if ($row2) {
$albumname = $row2['folder'];
$allow = false;
$album = newAlbum($albumname);
$uralbum = getUrAlbum($album);
$viewUnpublished = ($this->search_unpublished || zp_loggedin() && $uralbum->albumSubRights() & (MANAGED_OBJECT_RIGHTS_EDIT | MANAGED_OBJECT_RIGHTS_VIEW));
switch (checkPublishDates($row)) {
case 1:
$imageobj = newImage($this, $row['filename']);
$imageobj->setShow(0);
$imageobj->save();
case 2:
$row['show'] = 0;
break;
}
if ($mine || is_null($mine) && ($album->isMyItem(LIST_RIGHTS) || checkAlbumPassword($albumname) && ($album->getShow() || $viewUnpublished))) {
$allow = empty($this->album_list) || in_array($albumname, $this->album_list);
}
$albums_seen[$albumid] = $albumrow = array('allow' => $allow, 'viewUnpublished' => $viewUnpublished, 'folder' => $albumname, 'localpath' => ALBUM_FOLDER_SERVERPATH . internalToFilesystem($albumname) . '/');
} else {
$albums_seen[$albumid] = $albumrow = array('allow' => false, 'viewUnpublished' => false, 'folder' => '', 'localpath' => '');
}
}
if ($albumrow['allow'] && ($row['show'] || $albumrow['viewUnpublished'])) {
if (file_exists($albumrow['localpath'] . internalToFilesystem($row['filename']))) { // still exists
$data = array('title' => $row['title'], 'filename' => $row['filename'], 'folder' => $albumrow['folder']);
if (isset($weights)) {
$data['weight'] = $weights[$row['id']];
}
$images[] = $data;
}
}
}
db_free_result($search_result);
if (is_null($sorttype) && isset($weights)) {
$images = sortMultiArray($images, 'weight', true, true, false, false, array('weight'));
}
if ($sorttype == '`title`') {
$images = sortByMultilingual($images, 'title', $sortdirection);
}
}
if (empty($searchdate)) {
zp_apply_filter('search_statistics', $searchstring, 'images', !empty($images), $this->dynalbumname, $this->iteration++);
}
$this->cacheSearch($criteria, $images);
}
$this->searches['images'] = $criteria;
return $images;
}
/**
* Returns an array of images found in the search
* It will return a "page's worth" if $page is non zero
*
* @param int $page the page number desired
* @param int $firstPageCount count of images that go on the album/image transition page
* @param string $sorttype what to sort on
* @param string $sortdirection what direction
* @param bool $care placeholder to make the getImages methods all the same.
* @param bool $mine set true/false to overried ownership
* @return array
*/
function getImages($page = 0, $firstPageCount = 0, $sorttype = NULL, $sortdirection = NULL, $care = true, $mine = NULL) {
$this->images = $this->getSearchImages($sorttype, $sortdirection, $mine);
if ($page == 0) {
return $this->images;
} else {
if (empty($this->images)) {
return array();
}
// Only return $firstPageCount images if we are on the first page and $firstPageCount > 0
if (($page == 1) && ($firstPageCount > 0)) {
$pageStart = 0;
$images_per_page = $firstPageCount;
} else {
if ($firstPageCount > 0) {
$fetchPage = $page - 2;
} else {
$fetchPage = $page - 1;
}
$images_per_page = max(1, getOption('images_per_page'));
$pageStart = $firstPageCount + $images_per_page * $fetchPage;
}
$slice = array_slice($this->images, $pageStart, $images_per_page);
return $slice;
}
}
/**
* Returns the index of this image in the search images
*
* @param string $album The folder name of the image
* @param string $filename the filename of the image
* @return int
*/
function getImageIndex($album, $filename) {
$images = $this->getImages();
$c = 0;
foreach ($images as $image) {
if (($album == $image['folder']) && ($filename == $image['filename'])) {
return $c;
}
$c++;
}
return false;
}
/**
* Returns a specific image
*
* @param int $index the index of the image desired
* @return object
*/
function getImage($index) {
global $_zp_gallery;
if (!is_null($this->images)) {
$this->getImages();
}
if ($index >= 0 && $index < $this->getNumImages()) {
$img = $this->images[$index];
return newImage(newAlbum($img['folder']), $img['filename']);
}
return false;
}
function getDynamicAlbum() {
return $this->album;
}
/**
*
* return the list of albums found
*/
function getAlbumList() {
return $this->album_list;
}
/**
*
* return the list of categories found
*/
function getCategoryList() {
return $this->category_list;
}
/**
*
* Returns pages from a search
* @param bool $published ignored, left for parameter compatibility
* @param bool $toplevel ignored, left for parameter compatibility
* @param int $number ignored, left for parameter compatibility
* @param string $sorttype the sort key
* @param strng $sortdirection the sort order
*
* @return array
*/
function getPages($published = NULL, $toplevel = false, $number = NULL, $sorttype = NULL, $sortdirection = NULL) {
return $this->getSearchPages($sorttype, $sortdirection);
}
/**
* Returns a list of Pages Titlelinks found in the search
*
* @parm string $sorttype optional sort field
* @param string $sortdirection optional ordering
*
* @return array
*/
private function getSearchPages($sorttype, $sortdirection) {
if (!extensionEnabled('zenpage') || getOption('search_no_pages') || $this->search_no_pages)
return array();
list($sorttype, $sortdirection) = $this->sortKey($sorttype, $sortdirection, 'title', 'pages');
$searchstring = $this->getSearchString();
$searchdate = $this->dates;
if (empty($searchstring) && empty($searchdate)) {
return array();
} // nothing to find
$criteria = $this->getCacheTag('news', serialize($searchstring), $sorttype . ' ' . $sortdirection);
if ($this->pages && $criteria == $this->searches['pages']) {
return $this->pages;
}
$pages = $this->getCachedSearch($criteria);
if (is_null($pages)) {
$pages = $result = array();
if (empty($searchdate)) {
list ($search_query, $weights) = $this->searchFieldsAndTags($searchstring, 'pages', $sorttype, $sortdirection);
if (empty($search_query)) {
$search_result = false;
} else {
$search_result = query($search_query);
}
zp_apply_filter('search_statistics', $searchstring, 'pages', !$search_result, false, $this->iteration++);
} else {
$search_query = $this->searchDate($searchstring, $searchdate, 'pages', NULL, NULL);
$search_result = query($search_query);
}
if ($search_result) {
while ($row = db_fetch_assoc($search_result)) {
$data = array('title' => $row['title'], 'titlelink' => $row['titlelink']);
if (isset($weights)) {
$data['weight'] = $weights[$row['id']];
}
$result[] = $data;
}
db_free_result($search_result);
}
if (is_null($sorttype) && isset($weights)) {
$result = sortMultiArray($result, 'weight', true, true, false, false, array('weight'));
}
if ($sorttype == '`title`') {
$images = sortByMultilingual($result, 'title', $sortdirection);
}
foreach ($result as $page) {
$pages[] = $page['titlelink'];
}
$this->cacheSearch($criteria, $pages);
}
$this->pages = $pages;
$this->searches['pages'] = $criteria;
return $this->pages;
}
/**
* Returns a list of News Titlelinks found in the search
*
* @param int $articles_per_page The number of articles to get
* @param bool $published placeholder for consistent parameter list
* @param bool $ignorepagination ignore pagination
* @param string $sorttype field to sort on
* @param string $sortdirection sort order
*
* @return array
*/
function getArticles($articles_per_page = 0, $published = NULL, $ignorepagination = false, $sorttype = NULL, $sortdirection = NULL) {
$articles = $this->getSearchArticles($sorttype, $sortdirection);
if (empty($articles)) {
return array();
} else {
if ($ignorepagination || !$articles_per_page) {
return $articles;
}
return array_slice($articles, Zenpage::getOffset($articles_per_page), $articles_per_page);
}
}
/**
* Returns a list of News Titlelinks found in the search
*
* @param string $sorttype field to sort on
* @param string $sortdirection sort order
*
* @return array
*/
private function getSearchArticles($sorttype, $sortdirection) {
if (!extensionEnabled('zenpage') || getOption('search_no_news') || $this->search_no_news) {
return array();
}
list($sorttype, $sortdirection) = $this->sortKey($sorttype, $sortdirection, 'title', 'news');
$searchstring = $this->getSearchString();
$searchdate = $this->dates;
if (empty($searchstring) && empty($searchdate)) {
return array();
} // nothing to find
$criteria = $this->getCacheTag('news', serialize($searchstring), $sorttype . ' ' . $sortdirection);
if ($this->articles && $criteria == $this->searches['news']) {
return $this->articles;
}
$result = $this->getCachedSearch($criteria);
if (is_null($result)) {
$result = array();
if (empty($searchdate)) {
list ($search_query, $weights) = $this->searchFieldsAndTags($searchstring, 'news', $sorttype, $sortdirection);
} else {
$search_query = $this->searchDate($searchstring, $searchdate, 'news', $sorttype, $sortdirection, $this->whichdates);
}
if (empty($search_query)) {
$search_result = false;
} else {
$search_result = query($search_query);
}
zp_apply_filter('search_statistics', $searchstring, 'news', !empty($search_result), false, $this->iteration++);
if ($search_result) {
while ($row = db_fetch_assoc($search_result)) {
$data = array('title' => $row['title'], 'titlelink' => $row['titlelink']);
if (isset($weights)) {
$data['weight'] = $weights[$row['id']];
}
$result[] = $data;
}
db_free_result($search_result);
}
if (is_null($sorttype) && isset($weights)) {
$result = sortMultiArray($result, 'weight', true, true, false, false, array('weight'));
}
if ($sorttype == '`title`') {
$images = sortByMultilingual($result, 'title', $sortdirection);
}
$this->cacheSearch($criteria, $result);
}
$this->articles = $result;
$this->searches['news'] = $criteria;
return $this->articles;
}
function clearSearchWords() {
$this->processed_search = '';
$this->words = '';
}
/**
*
* creates a unique id for a search
* @param string $table Database table
* @param string $search Search string
* @param string $sort Sort criteria
*/
protected function getCacheTag($table, $search, $sort) {
$user = 'guest';
$authCookies = Zenphoto_Authority::getAuthCookies();
if (!empty($authCookies)) { // some sort of password exists, play it safe and make the tag unique
$user = getUserIP();
}
$array = array('item' => $table, 'fields' => implode(', ', $this->fieldList), 'search' => $search, 'sort' => $sort, 'user' => $user);
$dynalbum = $this->getDynamicAlbum();
if($dynalbum) {
$array['dynalbum'] = $dynalbum->name;
}
return $array;
}
/**
*
* Caches a search
* @param string $criteria
* @param string $found reslts of the search
*/
private function cacheSearch($criteria, $found) {
if (SEARCH_CACHE_DURATION) {
$criteria = serialize($criteria);
$sql = 'SELECT `id`, `data`, `date` FROM ' . prefix('search_cache') . ' WHERE `criteria` = ' . db_quote($criteria);
$result = query_single_row($sql);
if ($result) {
$sql = 'UPDATE ' . prefix('search_cache') . ' SET `data` = ' . db_quote(serialize($found)) . ', `date` = ' . db_quote(date('Y-m-d H:m:s')) . ' WHERE `id` = ' . $result['id'];
query($sql);
} else {
$sql = 'INSERT INTO ' . prefix('search_cache') . ' (criteria, data, date) VALUES (' . db_quote($criteria) . ', ' . db_quote(serialize($found)) . ', ' . db_quote(date('Y-m-d H:m:s')) . ')';
query($sql);
}
}
}
/**
*
* Fetches a search from the cache if it exists and has not expired
* @param string $criteria
*/
private function getCachedSearch($criteria) {
if (SEARCH_CACHE_DURATION) {
$sql = 'SELECT `id`, `date`, `data` FROM ' . prefix('search_cache') . ' WHERE `criteria` = ' . db_quote(serialize($criteria));
$result = query_single_row($sql);
if ($result) {
if ((time() - strtotime($result['date'])) > SEARCH_CACHE_DURATION * 60) {
query('DELETE FROM ' . prefix('search_cache') . ' WHERE `id` = ' . $result['id']);
} else {
if ($result = getSerializedArray($result['data'])) {
return $result;
}
}
}
}
return NULL;
}
/**
* Clears the entire search cache table
*/
static function clearSearchCache() {
$check = query_single_row('SELECT id FROM ' . prefix('search_cache'). ' LIMIT 1');
if($check) {
query('TRUNCATE TABLE ' . prefix('search_cache'));
}
}
}
// search class end
/**
*
* encloses search word in quotes if needed
* @param string $word
* @return string
*/
function search_quote($word) {
if (is_numeric($word) || preg_match("/[ &|!'\"`,()]/", $word)) {
$word = '"' . str_replace("\\'", "'", addslashes($word)) . '"';
}
return $word;
}
?>