mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-09-01 15:28:02 +02:00
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@43901 467b73ca-7a2a-4603-9d3b-597d59a354a9
202 lines
7.1 KiB
PHP
Executable File
202 lines
7.1 KiB
PHP
Executable File
<?php
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/**
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* Standard basic search form
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*/
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class SearchForm extends Form {
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protected $showInSearchTurnOn;
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/**
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* the constructor of a Simple/basic SearchForm
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*/
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function __construct($controller, $name, $fields = null, $actions = null, $showInSearchTurnOn = true) {
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$this->showInSearchTurnOn = $showInSearchTurnOn;
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if(!$fields) {
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$fields = new FieldSet(new TextField("Search", "Search"));
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}
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if(!$actions) {
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$actions = new FieldSet(
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new FormAction("getResults", "Go")
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);
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}
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// TODO:: This is a iiccky yucky hack. controller link isnt avaliable here for some wierd reason
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//if(($controllerlink = $controller->RelativeLink())== "/") $controllerLink = 'home';
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// We need this because it's a get form. It can't go in the action value
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// Hayden: Sorry if I've got it mixed up, but on the results or not found pages, the
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// RelativeLink seems to be empty and it packs a sad
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$formController = isset($_GET['formController']) ? $_GET['formController'] : null;
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if( !$formController ) $formController = $controller->RelativeLink();
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$fields->push(new HiddenField("formController", null, $formController));
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// $fields->push(new HiddenField("formController", null, $controller->RelativeLink()));
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$fields->push(new HiddenField("executeForm", null, $name));
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parent::__construct($controller, $name, $fields, $actions);
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$this->disableSecurityToken();
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}
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function FormMethod() {
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return "get";
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}
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/**
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* Return the attributes of the form tag - used by the templates
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*/
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public function FormAction() {
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$link = $this->controller->Link();
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if( $link{strlen($link)-1} != "/" )
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$link .= '/';
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return $link . 'results';
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}
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public function forTemplate(){
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return $this->renderWith(array("SearchForm","Form"));
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}
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/**
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* Return dataObjectSet of the results using $_REQUEST to get info from form.
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* Wraps around {@link searchEngine()}
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*/
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public function getResults($numPerPage = 10){
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$keywords = $_REQUEST['Search'];
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$andProcessor = create_function('$matches','
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return " +" . $matches[2] . " +" . $matches[4] . " ";
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');
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$notProcessor = create_function('$matches', '
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return " -" . $matches[3];
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');
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$keywords = preg_replace_callback('/()("[^()"]+")( and )("[^"()]+")()/i', $andProcessor, $keywords);
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$keywords = preg_replace_callback('/(^| )([^() ]+)( and )([^ ()]+)( |$)/i', $andProcessor, $keywords);
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$keywords = preg_replace_callback('/(^| )(not )("[^"()]+")/i', $notProcessor, $keywords);
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$keywords = preg_replace_callback('/(^| )(not )([^() ]+)( |$)/i', $notProcessor, $keywords);
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$keywords = $this->addStarsToKeywords($keywords);
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if(strpos($keywords, '"') !== false || strpos($keywords, '+') !== false || strpos($keywords, '-') !== false || strpos($keywords, '*') !== false) {
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return $this->searchEngine($keywords, $numPerPage, "Relevance DESC", "", true);
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} else {
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return $this->searchEngine($keywords, $numPerPage);
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$sortBy = "Relevance DESC";
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}
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}
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function addStarsToKeywords($keywords) {
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if(!trim($keywords)) return "";
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// Add * to each keyword
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$splitWords = split(" +" , trim($keywords));
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while(list($i,$word) = each($splitWords)) {
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if($word[0] == '"') {
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while(list($i,$subword) = each($splitWords)) {
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$word .= ' ' . $subword;
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if(substr($subword,-1) == '"') break;
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}
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} else {
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$word .= '*';
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}
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$newWords[] = $word;
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}
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return implode(" ", $newWords);
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}
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/**
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* The core search engine, used by this class and its subclasses to do fun stuff.
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* Searches both SiteTree and File.
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*/
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public function searchEngine($keywords, $numPerPage = 10, $sortBy = "Relevance DESC", $extraFilter = "", $booleanSearch = false, $alternativeFileFilter = "", $invertedMatch = false) {
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$fileFilter = '';
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$keywords = addslashes($keywords);
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if($booleanSearch) $boolean = "IN BOOLEAN MODE";
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if($extraFilter) {
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$extraFilter = " AND $extraFilter";
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if($alternativeFileFilter) $fileFilter = " AND $alternativeFileFilter";
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else $fileFilter = $extraFilter;
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}
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if($this->showInSearchTurnOn) $extraFilter .= " AND showInSearch <> 0";
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$start = isset($_GET['start']) ? (int)$_GET['start'] : 0;
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$limit = $start . ", " . (int) $numPerPage;
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$notMatch = $invertedMatch ? "NOT " : "";
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if($keywords) {
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$matchContent = "MATCH (Title, MenuTitle, Content, MetaTitle, MetaDescription, MetaKeywords) AGAINST ('$keywords' $boolean)";
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$matchFile = "MATCH (Filename, Title, Content) AGAINST ('$keywords' $boolean) AND ClassName = 'File'";
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// We make the relevance search by converting a boolean mode search into a normal one
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$relevanceKeywords = str_replace(array('*','+','-'),'',$keywords);
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$relevanceContent = "MATCH (Title) AGAINST ('$relevanceKeywords') + MATCH (Title, MenuTitle, Content, MetaTitle, MetaDescription, MetaKeywords) AGAINST ('$relevanceKeywords')";
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$relevanceFile = "MATCH (Filename, Title, Content) AGAINST ('$relevanceKeywords')";
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} else {
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$relevanceContent = $relevanceFile = 1;
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$matchContent = $matchFile = "1 = 1";
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}
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$queryContent = singleton('SiteTree')->extendedSQL($notMatch . $matchContent . $extraFilter, "");
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$baseClass = reset($queryContent->from);
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// There's no need to do all that joining
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$queryContent->from = array(str_replace('`','',$baseClass) => $baseClass);
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$queryContent->select = array("ClassName","$baseClass.ID","ParentID","Title","URLSegment","Content","LastEdited","Created","_utf8'' AS Filename", "_utf8'' AS Name", "$relevanceContent AS Relevance");
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$queryContent->orderby = null;
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$queryFiles = singleton('File')->extendedSQL($notMatch . $matchFile . $fileFilter, "");
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$baseClass = reset($queryFiles->from);
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// There's no need to do all that joining
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$queryFiles->from = array(str_replace('`','',$baseClass) => $baseClass);
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$queryFiles->select = array("ClassName","$baseClass.ID","_utf8'' AS ParentID","Title","_utf8'' AS URLSegment","Content","LastEdited","Created","Filename","Name","$relevanceFile AS Relevance");
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$queryFiles->orderby = null;
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$fullQuery = $queryContent->sql() . " UNION " . $queryFiles->sql() . " ORDER BY $sortBy LIMIT $limit";
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$totalCount = $queryContent->unlimitedRowCount() + $queryFiles->unlimitedRowCount();
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// die($fullQuery);
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// Debug::show($fullQuery);
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$records = DB::query($fullQuery);
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foreach($records as $record)
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$objects[] = new $record['ClassName']($record);
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if(isset($objects)) $doSet = new DataObjectSet($objects);
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else $doSet = new DataObjectSet();
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$doSet->setPageLimits(isset($_GET['start']) ? (int)$_GET['start'] : 0, $numPerPage, $totalCount);
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return $doSet;
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/*
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$keywords = preg_replace_callback('/("[^"]+")(\040or\040)("[^"]+")/', $orProcessor, $keywords);
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$keywords = preg_replace_callback('/([^ ]+)(\040or\040)([^ ]+)/', $orProcessor, $keywords);
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$limit = (int)$_GET['start'] . ", " . $numPerPage;
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$ret = DataObject::get("SiteTree", "MATCH (Title, MenuTitle, Content, MetaTitle, MetaDescription, MetaKeywords) "
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."AGAINST ('$keywords' IN BOOLEAN MODE) AND `ShowInSearch` = 1","Title","", $limit);
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return $ret;
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*/
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}
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public function getSearchQuery() {
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return Convert::raw2xml($_REQUEST['Search']);
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}
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}
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?>
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