/**
* Adds/updates the search index for the given page
*
* Locking is handled internally.
*
* @param string $page name of the page to index
* @param boolean $verbose print status messages
* @param boolean $force force reindexing even when the index is up to date
* @return boolean the function completed successfully
* @author Tom N Harris <*****@*****.**>
*/
function enhanced_idx_addPage($page, $verbose = false, $force = false)
{
$idxtag = metaFN($page, '.indexed');
// check if page was deleted but is still in the index
if (!page_exists($page)) {
if (!@file_exists($idxtag)) {
if ($verbose) {
print "Indexer: {$page} does not exist, ignoring" . DOKU_LF;
}
return false;
}
$Indexer = enhanced_idx_get_indexer();
$result = $Indexer->deletePage($page);
if ($result === "locked") {
if ($verbose) {
print "Indexer: locked" . DOKU_LF;
}
return false;
}
@unlink($idxtag);
return $result;
}
// check if indexing needed
if (!$force && @file_exists($idxtag)) {
if (trim(io_readFile($idxtag)) == idx_get_version()) {
$last = @filemtime($idxtag);
if ($last > @filemtime(wikiFN($page))) {
if ($verbose) {
print "Indexer: index for {$page} up to date" . DOKU_LF;
}
return false;
}
}
}
$indexenabled = p_get_metadata($page, 'internal index', METADATA_RENDER_UNLIMITED);
if ($indexenabled === false) {
$result = false;
if (@file_exists($idxtag)) {
$Indexer = enhanced_idx_get_indexer();
$result = $Indexer->deletePage($page);
if ($result === "locked") {
if ($verbose) {
print "Indexer: locked" . DOKU_LF;
}
return false;
}
@unlink($idxtag);
}
if ($verbose) {
print "Indexer: index disabled for {$page}" . DOKU_LF;
}
return $result;
}
$Indexer = enhanced_idx_get_indexer();
$pid = $Indexer->getPID($page);
if ($pid === false) {
if ($verbose) {
print "Indexer: getting the PID failed for {$page}" . DOKU_LF;
}
return false;
}
$body = '';
$metadata = array();
$metadata['title'] = p_get_metadata($page, 'title', METADATA_RENDER_UNLIMITED);
if (($references = p_get_metadata($page, 'relation references', METADATA_RENDER_UNLIMITED)) !== null) {
$metadata['relation_references'] = array_keys($references);
} else {
$metadata['relation_references'] = array();
}
if (($media = p_get_metadata($page, 'relation media', METADATA_RENDER_UNLIMITED)) !== null) {
$metadata['relation_media'] = array_keys($media);
} else {
$metadata['relation_media'] = array();
}
$data = compact('page', 'body', 'metadata', 'pid');
$evt = new Doku_Event('INDEXER_PAGE_ADD', $data);
if ($evt->advise_before()) {
$data['body'] = $data['body'] . " " . rawWiki($page);
}
$evt->advise_after();
unset($evt);
extract($data);
$result = $Indexer->addPageWords($page, $body);
if ($result === "locked") {
if ($verbose) {
print "Indexer: locked" . DOKU_LF;
}
return false;
}
if ($result) {
$result = $Indexer->addMetaKeys($page, $metadata);
if ($result === "locked") {
if ($verbose) {
print "Indexer: locked" . DOKU_LF;
}
return false;
}
}
if ($result) {
io_saveFile(metaFN($page, '.indexed'), idx_get_version());
}
if ($verbose) {
print "Indexer: finished" . DOKU_LF;
return true;
}
return $result;
}
/**
* Clear all index files
*/
function clearindex()
{
$this->quietecho("Clearing index... ");
enhanced_idx_get_indexer()->clear();
$this->quietecho("done.\n");
}