/**
* Handle a search query from the GET/POST variables.
* @author Ben Dodson
*/
function handleSearch($search_string = false, $search_type = false)
{
global $jzUSER;
$root =& new jzMediaNode();
$timer = microtime_float();
if ($search_string === false) {
$search_string = $_GET['search_query'];
}
if ($search_type === false) {
$search_type = $_GET['search_type'];
}
$string_array = splitKeywords($search_string);
$keywords = $string_array['keywords'];
$string = $string_array['search'];
if (isset($keywords['genres'])) {
$locations[sizeof($locations)] = 'genre';
$search_type = "genres";
}
if (isset($keywords['artists'])) {
$locations[sizeof($locations)] = 'artist';
$search_type = "artists";
}
if (isset($keywords['albums'])) {
$locations[sizeof($locations)] = 'album';
$search_type = "albums";
}
if (isset($keywords['tracks'])) {
$locations[sizeof($locations)] = 'track';
$search_type = "tracks";
}
if (isset($keywords['lyrics'])) {
$search_type = "lyrics";
}
if (isset($keywords['radio'])) {
$search_type = "artists";
$max_res = 1;
} else {
if (isset($keywords['limit'])) {
$max_res = $keywords['limit'];
} else {
$max_res = 100;
}
}
switch (strtolower($search_type)) {
case "all":
$stype = "both";
$distance = -1;
break;
case "genres":
case "genre":
$stype = "nodes";
$distance = distanceTo("genre");
break;
case "artists":
case "artist":
$stype = "nodes";
$distance = distanceTo("artist");
break;
case "albums":
case "album":
$stype = "nodes";
$distance = distanceTo("album");
break;
case "tracks":
case "track":
$stype = "tracks";
$distance = -1;
break;
case "lyrics":
case "lyric":
$stype = "lyrics";
$distance = -1;
break;
case "best":
default:
$stype = "both";
$distance = -1;
$keywords['best'] = true;
}
if ($distance === false) {
die("Could not search for {$search_type}.");
}
// Are they searching by ID explicitly?
if (isset($keywords['id'])) {
$stype = "id";
// We handle this differently than above in
// case they set @genre and @id (or whatever).
}
/* if we have 2 locations,
the closest to the root is our anchor
and the further is our return type.
*/
if (sizeof($locations) > 1) {
if ($locations[1] == 'track') {
$r = 'tracks';
} else {
$r = 'nodes';
}
$limit = 1;
if (isset($keywords['limit'])) {
$limit = $keywords['limit'];
}
$results = $root->search($string, "nodes", distanceTo($locations[0]), 1, 'exact');
if (sizeof($results) > 0) {
$results = $results[0]->getSubNodes($r, distanceTo($locations[1], $results[0]), true, $limit);
} else {
$results = $root->search($string, "nodes", distanceTo($locations[0]), 1);
if (sizeof($results) > 0) {
$results = $results[0]->getSubNodes($r, distanceTo($locations[1], $results[0]), true, $limit);
}
}
} else {
if (isset($keywords['play']) || isset($keywords['radio'])) {
$results = $root->search($string, $stype, $distance, 1, 'exact');
if (sizeof($results) == 0) {
$results = $root->search($string, $stype, $distance, 1);
// better to limit 1 or $max_res?
}
} else {
if (isset($keywords['best'])) {
$results = $root->search($string, $stype, $distance, -1, 'exact');
if (sizeof($results) == 0) {
$results = $root->search($string, $stype, $distance, $max_res);
// better to limit 1 or $max_res?
}
} else {
$results = $root->search($string, $stype, $distance, $max_res);
}
}
}
if (sizeof($results) == 0) {
// Maybe a search by ID will work...
$results = $root->search($string, "id", $distance, $max_res);
if (sizeof($results) == 0) {
return $results;
}
}
$timer = round(microtime_float() - $timer, 2);
writeLogData('search', "searched '{$search_type}' for '{$string}' in {$timer} seconds.");
// What about keywords?
if (isset($keywords['play']) && sizeof($results) > 0) {
$pl = new jzPlaylist();
$pl->add($results);
// if (isset($keywords['limit'])) {
// $pl->flatten();
//}
if (isset($keywords['random'])) {
$pl = $pl->getSmartPlaylist($max_res);
} else {
if (isset($keywords['limit'])) {
$pl->flatten();
$pl->truncate($max_res);
}
}
$pl->play();
exit;
} else {
if (isset($keywords['radio'])) {
$pl = new jzPlaylist();
$pl->add($results);
$pl = $pl->getSmartPlaylist(50, "radio");
$pl->play();
exit;
}
}
return $results;
}
/**
* Draws the search results page.
*
* @author Ben Dodson
* @version 12/18/04
* @since 11/20/04
*/
function searchResults($string, $type, $power_search = false)
{
global $cms_type, $jzSERVICES;
$display =& new jzDisplay();
$blocks =& new jzBlocks();
$tracks = array();
$nodes = array();
// remember, $this is a frontend.
// This has to go before SQL querries.
// If our keywords say to play the results
// we cannot print any HTML.
if ($power_search === false) {
$check = splitKeywords($string);
if (!muteOutput($check['keywords'])) {
$display->preheader('Search Results', $this->width, $this->align);
$this->pageTop('Search Results');
}
$results = handleSearch($string, $type);
if (sizeof($results) == 0 && muteOutput($check['keywords'])) {
$display->preheader('Search Results', $this->width, $this->align);
$this->pageTop('Search Results');
}
} else {
// Power search:
$display->preheader('Search Results', $this->width, $this->align);
$this->pageTop('Search Results');
$root = new jzMediaNode();
$results = $root->powerSearch();
}
echo '<table width="100%" cellpadding="3"><tr><td>';
foreach ($results as $val) {
if ($val->isLeaf()) {
$tracks[] = $val;
} else {
$nodes[] = $val;
}
}
// show the page
if (sizeof($tracks) > 0) {
$blocks->blockHeader(sizeof($tracks) . " " . word("Matching Tracks") . " " . word("for search") . ' "' . $_POST['search_query'] . '"');
$blocks->blockBodyOpen();
$blocks->trackTable($tracks, "search");
$blocks->blockBodyClose();
$blocks->blockSpacer();
}
if (sizeof($nodes) > 0) {
$blocks->blockHeader(sizeof($nodes) . " " . word("Other Matches") . " " . word("for search") . ' "' . $_POST['search_query'] . '"');
$blocks->blockBodyOpen();
$blocks->nodeTable($nodes, "search");
$blocks->blockBodyClose();
$blocks->blockSpacer();
}
if (sizeof($nodes) == 0 && sizeof($tracks) == 0) {
$blocks->blockHeader(word("No matches found"));
}
$this->footer();
$jzSERVICES->cmsClose();
}