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<?php
/**
* Rebuilds the search indexes for the documentation pages.
*
* For the hourly cron rebuild use RebuildLuceneDocusIndex_Hourly
*
* @package docsviewer
* @subpackage tasks
*/
class RebuildLuceneDocsIndex extends BuildTask
{
protected $title = "Rebuild Documentation Search Indexes";
protected $description = "
Rebuilds the indexes used for the search engine in the docsviewer.";
public function run($request)
{
$this->rebuildIndexes();
}
public function rebuildIndexes($quiet = false)
{
require_once 'Zend/Search/Lucene.php';
ini_set("memory_limit", -1);
ini_set('max_execution_time', 0);
Filesystem::makeFolder(DocumentationSearch::get_index_location());
// only rebuild the index if we have to. Check for either flush or the time write.lock.file
// was last altered
$lock = DocumentationSearch::get_index_location() .'/write.lock.file';
$lockFileFresh = (file_exists($lock) && filemtime($lock) > (time() - (60 * 60 * 24)));
echo "Building index in ". DocumentationSearch::get_index_location() . PHP_EOL;
if ($lockFileFresh && !isset($_REQUEST['flush'])) {
if (!$quiet) {
echo "Index recently rebuilt. If you want to force reindex use ?flush=1";
}
return true;
}
try {
$index = Zend_Search_Lucene::open(DocumentationSearch::get_index_location());
$index->removeReference();
} catch (Zend_Search_Lucene_Exception $e) {
user_error($e);
}
try {
$index = Zend_Search_Lucene::create(DocumentationSearch::get_index_location());
} catch (Zend_Search_Lucene_Exception $c) {
user_error($c);
}
// includes registration
$manifest = new DocumentationManifest(true);
$pages = $manifest->getPages();
if ($pages) {
$count = 0;
// iconv complains about all the markdown formatting
// turn off notices while we parse
if (!Director::is_cli()) {
echo "<ul>";
}
foreach ($pages as $url => $record) {
$count++;
$page = $manifest->getPage($url);
$doc = new Zend_Search_Lucene_Document();
$error = error_reporting();
error_reporting(E_ALL ^ E_NOTICE);
$content = $page->getHTML();
error_reporting($error);
$doc->addField(Zend_Search_Lucene_Field::Text('content', $content));
$doc->addField($titleField = Zend_Search_Lucene_Field::Text('Title', $page->getTitle()));
$doc->addField($breadcrumbField = Zend_Search_Lucene_Field::Text('BreadcrumbTitle', $page->getBreadcrumbTitle()));
$doc->addField(Zend_Search_Lucene_Field::Keyword(
'Version', $page->getEntity()->getVersion()
));
$doc->addField(Zend_Search_Lucene_Field::Keyword(
'Language', $page->getEntity()->getLanguage()
));
$doc->addField(Zend_Search_Lucene_Field::Keyword(
'Entity', $page->getEntity()
));
$doc->addField(Zend_Search_Lucene_Field::Keyword(
'Link', $page->Link()
));
// custom boosts
$titleField->boost = 3;
$breadcrumbField->boost = 1.5;
$boost = Config::inst()->get('DocumentationSearch', 'boost_by_path');
foreach ($boost as $pathExpr => $boost) {
if (preg_match($pathExpr, $page->getRelativePath())) {
$doc->boost = $boost;
}
}
error_reporting(E_ALL ^ E_NOTICE);
$index->addDocument($doc);
if (!$quiet) {
if (Director::is_cli()) {
echo " * adding ". $page->getPath() ."\n";
} else {
echo "<li>adding ". $page->getPath() ."</li>\n";
}
}
}
}
$index->commit();
if (!$quiet) {
echo "complete.";
}
}
}
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