forked from Krassmus/GlobalSearchPlugin
/
GlobalSearchPlugin.class.php
521 lines (476 loc) · 26.1 KB
/
GlobalSearchPlugin.class.php
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<?php
/*
* Copyright (c) 2011 Rasmus Fuhse <fuhse@data-quest.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*/
require_once dirname(__file__).'/classes/Globalsearch.class.php';
class GlobalSearchPlugin extends StudIPPlugin implements SystemPlugin {
protected $maximum_results = 30;
public function __construct() {
parent::__construct();
if (false) {
//Suche ersetzen
if (Navigation::hasItem("/search")) {
$nav = Navigation::getItem("/search");
$nav->setURL(PluginEngine::getURL($this, array(), "search"));
foreach ($nav->getSubNavigation() as $name => $nav_object) {
$nav->removeSubNavigation($name);
}
$tab = new AutoNavigation(_("Suche"), PluginEngine::getURL($this, array(), "search"));
$nav->addSubNavigation('search', $tab);
}
} else {
//Suche erweitern
if (Navigation::hasItem("/search")) {
$nav = Navigation::getItem("/search");
$nav->setURL(PluginEngine::getURL($this, array(), "search"));
$tab = new AutoNavigation(_("Suche"), PluginEngine::getURL($this, array(), "search"));
$nav->addSubNavigation('search', $tab);
}
}
//Observer definieren:
NotificationCenter::addObserver($this, "show_user_avatar", "WillDisplaySearchResultItem");
NotificationCenter::addObserver($this, "show_seminar_avatar", "WillDisplaySearchResultItem");
NotificationCenter::addObserver($this, "show_document_avatar", "WillDisplaySearchResultItem");
NotificationCenter::addObserver($this, "add_calculator", "LastAlteringOfSearchResults");
NotificationCenter::addObserver($this, "filter_study_areas", "GlobalSearchFilter");
}
public function show_user_avatar($eventname, $search_item) {
if ($search_item->type === "user") {
$search_item->avatar = Avatar::getAvatar($search_item->entry_id)->getURL(Avatar::MEDIUM);
$user = new User($search_item->entry_id);
$search_item->presentation = "<cite>".htmlReady($user->motto)."</cite>";
$search_item->presentation .= "<div>".htmlReady($user->schwerp)."</div>";
$uname = get_username($search_item->entry_id);
$search_item->tools[] = '<a href="'.URLHelper::getLink("sms_send.php", array('rec_uname' => $uname)).'" title="'._("Nachricht schreiben").'">'.Assets::img("icons/16/blue/mail.png", array('class' => "text-bottom"))."</a>";
if ($GLOBALS['perm']->have_perm("root")) {
$search_item->tools[] = '<a href="'.URLHelper::getLink("dispatch.php/admin/user/edit/".$search_item->entry_id).'" title="'._("Benutzerverwaltung").'">'.Assets::img("icons/16/blue/edit.png", array('class' => "text-bottom"))."</a>";
} else {
$search_item->tools[] = '<a href="'.URLHelper::getLink("about.php", array('username' => $uname, 'cmd' => "add_user", 'add_uname' => $uname)).'" title="'._("Als Buddy hinzufügen").'">'.Assets::img("icons/16/blue/add/person.png", array('class' => "text-bottom"))."</a>";
}
}
}
public function show_document_avatar($eventname, $search_item) {
if ($search_item->type === "document") {
$db = DBManager::get();
$dokument = $db->query("SELECT * FROM dokumente WHERE dokument_id = ".$db->quote($search_item->entry_id))->fetch(PDO::FETCH_ASSOC);
$extension = strtolower(substr($dokument['name'], strrpos($dokument['name'], ".") + 1));
if (in_array($extension, array("jpg","jpeg","gif","png","bmp"))) {
$search_item->avatar = URLHelper::getURL("sendfile.php", array('type' => $dokument['url'] ? 6 : 0, 'file_id' => $search_item->entry_id, 'file_name' => $dokument['name']));
}
$search_item->tools[] = '<a href="'.URLHelper::getURL("sendfile.php", array('force_download' => 1, 'type' => $dokument['url'] ? 6 : 0, 'file_id' => $search_item->entry_id, 'file_name' => $name)).'">'.Assets::img("icons/16/blue/download.png")."</a>";
}
}
public function show_seminar_avatar($eventname, $search_item) {
if ($search_item->type === "seminar") {
$search_item->avatar = CourseAvatar::getAvatar($search_item->entry_id)->getURL(Avatar::MEDIUM);
$seminar = new Seminar($search_item->entry_id);
$date = $seminar->getDatesHTML(array('link_to_dates' => false));
$search_item->presentation = "<div>";
$key = 0;
foreach ($seminar->getMembers('dozent') as $dozent) {
if ($key > 0) {
$search_item->presentation .= ", ";
}
$search_item->presentation .= '<a href="'.URLHelper::getLink("about.php", array('username' => $dozent['username'])).'">'.htmlReady($dozent['Vorname']." ".$dozent['Nachname']).'</a>';
$key++;
}
$search_item->presentation .= "</div>";
$search_item->presentation .= "<div>";
$search_item->presentation .= htmlReady(get_semester($search_item->entry_id).". ");
if ($date) {
$search_item->presentation .= _("Termine").": ".$date;
}
$search_item->presentation .= "</div>";
if ($GLOBALS['perm']->have_perm("admin")) {
$search_item->tools[] = '<a href="'.URLHelper::getLink("dispatch.php/course/basicdata/view", array('cid' => $search_item->entry_id)).'" title="'._("Grunddaten bearbeiten").'">'.Assets::img("icons/16/blue/edit.png", array('class' => "text-bottom"))."</a>";
$search_item->tools[] = '<a href="'.URLHelper::getLink("dispatch.php/course/study_areas/show", array('cid' => $search_item->entry_id)).'" title="'._("Studienbereiche festlegen").'">'.Assets::img("icons/16/blue/grouping.png", array('class' => "text-bottom"))."</a>";
$search_item->tools[] = '<a href="'.URLHelper::getLink("raumzeit.php", array('cid' => $search_item->entry_id)).'" title="'._("Zeiten/Räume").'">'.Assets::img("icons/16/blue/date.png", array('class' => "text-bottom"))."</a>";
$search_item->tools[] = '<a href="'.URLHelper::getLink("dispatch.php/course/room_requests", array('cid' => $search_item->entry_id)).'" title="'._("Raumanfragen").'">'.Assets::img("icons/16/blue/room_request.png", array('class' => "text-bottom"))."</a>";
}
}
}
public function add_calculator($eventname, $results) {
//computational goodie
if (strpos($_SESSION['search_parameter']['search'], "?>") === false && strpos($_SESSION['search_parameter']['search'], ";") === false) {
preg_match_all("/(\w+)/", $_SESSION['search_parameter']['search'], $matches);
$forbidden = false;
$allowed = array(
"abs", "acos", "acosh", "asin", "asinh", "atan2", "atan", "atanh", "base_convert",
"ceil", "cos", "cosh", "exp", "expm1", "floor", "fmod", "lcg_value", "log10", "log1p",
"log", "max", "min", "mt_rand", "mt_srand", "pi", "pow", "rand", "round", "sin", "sinh",
"sqrt", "srand", "tan", "tanh");
$x = false;
$y = false;
if ($matches[0] && count($matches[0])) {
foreach ($matches[0] as $match) {
if ($match === "x") {
$x = true;
} elseif ($match === "y") {
$y = true;
$forbidden = true;
} elseif (!is_numeric($match) && !in_array($match, $allowed)) {
$forbidden = true;
}
}
}
if (!$forbidden && $x === false) {
//calculate the term
try {
$value = @eval("return ".$_SESSION['search_parameter']['search'].";");
if (is_numeric($value)) {
$result_object = new stdClass();
$result_object->title = $value;
array_unshift($results->results, $result_object);
}
} catch (Exception $e) {
//do nothing
};
} elseif(!$forbidden && $x === true && $y === false) {
//2-dimensional graph
$values = array();
$keys = array();
$ymin = 0;
$ymax = 1;
for ($i = -10; $i <= 10; $i += 0.125) {
$value = @eval("return ".preg_replace("/([^\w]?)x([^\w]?)/", "$1 ".$i." $2", $_SESSION['search_parameter']['search']).";");
if (is_numeric($value)) {
if (is_finite($value)) {
if ($value < $ymin) {
$ymin = $value;
} elseif($value > $ymax) {
$ymax = $value;
}
}
$values[] = is_finite($value) ? (string) $value : null;
$keys[] = floor($i) === $i ? (string) $i : "";
}
}
$result_object = new stdClass();
$result_object->title = "f(x) = ".$_SESSION['search_parameter']['search'];
$result_object->presentation =
'<canvas id="search_f_x_graph" width="650" height="300"></canvas>'.
'<script>
var f_x_data = '.json_encode($values).';
var line = new RGraph.Line("search_f_x_graph", f_x_data);
line.Set("chart.linewidth", 2);
//line.Set("chart.ymin", '.$ymin.');
//line.Set("chart.ymax", '.$ymax.');
line.Set("chart.xaxispos", "'.($ymin < 0 ? "center" : "bottom").'");
line.Set("chart.labels", '.json_encode($keys).');
line.Set("chart.shadow", true);
line.Set("chart.shadow.color", "rgba(0,0,0,0.2)");
line.Set("chart.gutter.left", 50);
line.Draw();
</script>';
PageLayout::addHeadElement("script", array('src' => $GLOBALS['ABSOLUTE_URI_STUDIP'].$this->getPluginPath()."/assets/RGraph.common.core.js"), '');
PageLayout::addHeadElement("script", array('src' => $GLOBALS['ABSOLUTE_URI_STUDIP'].$this->getPluginPath()."/assets/RGraph.line.js"), '');
array_unshift($results->results, $result_object);
}
}
}
public function filter_study_areas($eventname, $filter) {
$study_areas = TreeAbstract::getInstance('StudipSemTree', false);
$sem_tree_layer = $study_areas->getKids($_SESSION['search_parameter']['study_area'] ? $_SESSION['search_parameter']['study_area'] : "root");
$db = DBManager::get();
$sem_tree_items = array();
if (is_array($sem_tree_layer)) foreach ($sem_tree_layer as $sem_tree_id) {
$sem_tree_items[] = $db->query(
"SELECT sem_tree.sem_tree_id, IF(sem_tree.studip_object_id IS NULL, sem_tree.name, Institute.Name) AS name " .
"FROM sem_tree " .
"LEFT JOIN Institute ON (sem_tree.studip_object_id = Institute.Institut_id) " .
"WHERE sem_tree.sem_tree_id = ".$db->quote($sem_tree_id)." " .
"")->fetch(PDO::FETCH_ASSOC);
}
$parents = $study_areas->getParents($_SESSION['search_parameter']['study_area'] ? $_SESSION['search_parameter']['study_area'] : "root");
if ($parents) {
$parents = array_reverse($parents);
}
if ($_SESSION['search_parameter']['study_area']) {
$parents[] = $_SESSION['search_parameter']['study_area'];
}
$breadcrumb = array();
if (is_array($parents)) foreach ($parents as $sem_tree_id) {
$breadcrumb[] = $db->query(
"SELECT sem_tree.sem_tree_id, IF(sem_tree.studip_object_id IS NULL, sem_tree.name, Institute.Name) AS name " .
"FROM sem_tree " .
"LEFT JOIN Institute ON (sem_tree.studip_object_id = Institute.Institut_id) " .
"WHERE sem_tree.sem_tree_id = ".$db->quote($sem_tree_id)." " .
"")->fetch(PDO::FETCH_ASSOC);
}
$template = $this->getTemplate("study_area_filter.php", null);
$template->set_attribute("sem_tree_items", $sem_tree_items);
$template->set_attribute("breadcrumb", $breadcrumb);
$filter->filter[] = array(
'id' => "study_areas_filter",
'header' => _("Filtern nach Studienbereich").($_SESSION['search_parameter']['study_area'] ? " ".Assets::img("icons/16/black/exclaim.png", array('class' => "text-bottom")) : ""),
'content' => $template->render(),
'open' => Request::get("study_area") ? true : false
);
}
public function filter_object_types($eventname, $filter) {
$template = $this->getTemplate("object_types_filter.php", null);
$template->set_attribute("sem_tree_items", $sem_tree_items);
$template->set_attribute("breadcrumb", $breadcrumb);
$filter->filter[] = array(
'id' => "study_areas_filter",
'header' => _("Filtern nach Studienbereich"),
'content' => $template->render(),
'open' => Request::get("object_type") ? true : false
);
}
public function search_action() {
$template = $this->getTemplate("suche.php", "with_infobox");
$db = DBManager::get();
if (Request::submitted("zuruecksetzen") || !isset($_SESSION['search_parameter'])) {
$_SESSION['search_parameter'] = array();
}
if (Request::get("clear")) {
unset($_SESSION['search_parameter'][Request::get("clear")]);
}
if (Request::submitted("suchen")) {
$_SESSION['search_parameter']['search'] = Request::get("search");
}
if (Request::get("study_area")) {
$_SESSION['search_parameter']['study_area'] = Request::get("study_area");
}
foreach ($_SESSION['search_parameter'] as $key => $parameter) {
if (!$parameter) {
unset($_SESSION['search_parameter'][$key]);
}
}
if (count($_SESSION['search_parameter'])) {
if (!$GLOBALS['perm']->have_perm("root")) {
$range_ids = $db->query("SELECT Seminar_id FROM seminar_user WHERE user_id = ".$db->quote($GLOBALS['user']->id)." ")->fetchAll(PDO::FETCH_COLUMN, 0);
$range_ids[] = $GLOBALS['user']->id;
} else {
$range_ids = array();
}
//Suche durchführen:
$time = microtime();
$searchstring = $_SESSION['search_parameter']['search'];
$filter = array();
if ($_SESSION['search_parameter']['study_area']) {
//Auf Studienbereich einschränken:
$study_areas = TreeAbstract::getInstance('StudipSemTree', false);
$path = $study_areas->getParents($_SESSION['search_parameter']['study_area']);
$filter[] = "sem_tree_".implode("_", $path);
}
$results = Globalsearch::get()->search($searchstring, $range_ids, null, $filter, 0, $this->maximum_results + 1);
if (count($results) > $this->maximum_results) {
array_pop($results);
$template->set_attribute('more', true);
}
//Ergebnisse nochmal prozessieren:
foreach ($results as $key => $result) {
$result = (object) $result;
$result->tools = array();
NotificationCenter::postNotification("WillDisplaySearchResultItem", $result);
if (!$result->forbidden) {
$results[$key] = $result;
} else {
//Wenn Rechte fehlen, sollte das Objekt nicht angezeigt werden.
//Der Observer der Notification schreibt dann: $result->forbidden = true;
unset($results[$key]);
}
}
//post-search modifying:
$results = (object) array('results' => $results);
NotificationCenter::postNotification("LastAlteringOfSearchResults", $results);
$results = (array) $results->results;
$time = microtime() - $time;
$template->set_attribute("time", $time);
$template->set_attribute("results", $results);
}
$filter = new stdClass();
$filter->filter = array();
NotificationCenter::postNotification("GlobalSearchFilter", $filter);
$template->set_attribute("filter", $filter->filter);
$template->set_attribute("plugin", $this);
echo $template->render();
}
public function load_action() {
$db = DBManager::get();
if (!$GLOBALS['perm']->have_perm("root")) {
$range_ids = $db->query("SELECT Seminar_id FROM seminar_user WHERE user_id = ".$db->quote($GLOBALS['user']->id)." ")->fetchAll(PDO::FETCH_COLUMN, 0);
$range_ids[] = $GLOBALS['user']->id;
} else {
$range_ids = array();
}
$searchstring = $_SESSION['search_parameter']['search'];
$filter = array();
if ($_SESSION['search_parameter']['study_area']) {
//Auf Studienbereich einschränken:
$study_areas = TreeAbstract::getInstance('StudipSemTree', false);
$path = $study_areas->getParents($_SESSION['search_parameter']['study_area']);
$filter[] = "sem_tree_".implode("_", $path);
}
$output = array('more' => 0);
$results = Globalsearch::get()->search($searchstring, $range_ids, null, $filter, Request::int("offset") * $this->maximum_results, $this->maximum_results + 1);
if (count($results) > $this->maximum_results) {
array_pop($results);
$output['more'] = 1;
}
//Ergebnisse nochmal prozessieren:
foreach ($results as $key => $result) {
$result = (object) $result;
$result->tools = array();
NotificationCenter::postNotification("WillDisplaySearchResultItem", $result);
if (!$result->forbidden) {
$results[$key] = $result;
} else {
//Wenn Rechte fehlen, sollte das Objekt nicht angezeigt werden.
//Der Observer der Notification schreibt dann: $result->forbidden = true;
unset($results[$key]);
}
$template = $this->getTemplate("result.php", null);
$template->set_attribute('result', $result);
$output['results'][] = studip_utf8encode($template->render());
}
echo json_encode($output);
}
public function indexing_action() {
if (!$GLOBALS['perm']->have_perm("root")) {
throw new AccessDeniedException("Kein Zugriff");
}
//indexiert Veranstaltungen:
$db = DBManager::get();
$count = 0;
$seminare = $db->query(
"SELECT * FROM seminare " .
"");
$index = Globalsearch::get();
while ($seminar = $seminare->fetch(PDO::FETCH_ASSOC)) {
$searchtext = $seminar['VeranstaltungsNummer']." ".$seminar['Name']." ".$seminar['Untertitel']." ".$seminar['Beschreibung']." ".$seminar['Sonstiges']." ".$seminar['Ort'];
$sem_tree_ids = $db->query("SELECT sem_tree_id FROM seminar_sem_tree WHERE seminar_id = ".$db->quote($seminar['Seminar_id']))->fetchAll(PDO::FETCH_COLUMN, 0);
$searchtext .= GlobalSearchPlugin::getStudyareaSearchstring($sem_tree_ids);
$index->setEntry(
$seminar['Name'],
"seminar",
"details.php?cid=".$seminar['Seminar_id'],
$seminar['visible'] ? null : $seminar['Seminar_id'],
$searchtext,
CourseAvatar::getAvatar($seminar['Seminar_id'])->getImageTag(Avatar::SMALL)." ".htmlReady($seminar['Name']),
$seminar['Seminar_id']
);
$count++;
}
$users = $db->query(
"SELECT * FROM auth_user_md5 " .
"");
while ($user = $users->fetch(PDO::FETCH_ASSOC)) {
$searchtext = $user['Vorname']." ".$user['Nachname'];
$index->setEntry(
$user['Vorname']." ".$user['Nachname'],
"user",
"about.php?username=".$user['username'],
($user['visible'] !== "never" ? null : $user['user_id']),
$searchtext,
Avatar::getAvatar($user['user_id'])->getImageTag(Avatar::SMALL). " " .htmlReady($user['Vorname'])." ".htmlReady($user['Nachname']),
$user['user_id']
);
$count++;
}
$documents = $db->query(
"SELECT * FROM dokumente " .
"");
while ($document = $documents->fetch(PDO::FETCH_ASSOC)) {
$seminar_name = $db->query("SELECT Name FROM seminare WHERE Seminar_id = ".$db->quote($document['seminar_id'])." ")->fetch(PDO::FETCH_COLUMN, 0);
$searchtext = $document['name']." ".$document['description']." ".$document['filename'];
$sem_tree_ids = $db->query("SELECT sem_tree_id FROM seminar_sem_tree WHERE seminar_id = ".$db->quote($document['seminar_id']))->fetchAll(PDO::FETCH_COLUMN, 0);
$searchtext .= GlobalSearchPlugin::getStudyareaSearchstring($sem_tree_ids);
$index->setEntry(
$document['name'].($seminar_name ? " in ".$seminar_name : ""),
"document",
"folder.php?cid=".$document['seminar_id']."&cmd=all&open=".$document['dokument_id']."#anker",
$document['seminar_id'],
$searchtext,
"<strong>".htmlReady($document['filename'])."</strong>: " .
htmlReady($document['description']),
$document['dokument_id']
);
$count++;
}
$resources = $db->query(
"SELECT * FROM resources_objects WHERE category_id != '' " .
"");
while ($object = $resources->fetch(PDO::FETCH_ASSOC)) {
$index->setEntry(
$object['name'],
"resource",
"resources.php?show_object=".$object['resource_id']."&view=view_schedule",
null,
$object['name']." ".$object['description'],
htmlReady($object['description']),
$object['resource_id']
);
$count++;
}
$postings = $db->query("SELECT * FROM px_topics ");
while ($posting = $postings->fetchAll(PDO::FETCH_ASSOC)) {
$posting_content = preg_replace("/\[quote([=\d\w\s]*)\]([\d\w\s]*)\[\/quote\]/", "", $posting['description']);
$posting_content = strip_tags(formatReady(str_replace("\n", " ", $posting_content)));
$searchtext = get_fullname($posting['user_id'])." ".$posting_content;
$sem_tree_ids = $db->query("SELECT sem_tree_id FROM seminar_sem_tree WHERE seminar_id = ".$db->quote($posting['Seminar_id']))->fetchAll(PDO::FETCH_COLUMN, 0);
$searchtext .= GlobalSearchPlugin::getStudyareaSearchstring($sem_tree_ids);
$index->setEntry(
$posting['name'],
"posting",
"forum.php?cid=".$posting['Seminar_id']."&view=tree&open=".$posting['topic_id']."#anker",
$posting['Seminar_id'],
$searchtext,
$posting_content,
$posting['topic_id']
);
$count++;
}
$result_object = new stdClass();
$result_object->count = 0;
NotificationCenter::postNotification("indexing_plugin_items", $result_object);
$count += $result_object->count;
if ($GLOBALS['IS_CLI']) {
echo "Index ersellt mit ".$count." Einträgen.";
} else {
$template = $this->getTemplate("indexing.php");
$template->set_attribute("count", $count);
$template->set_attribute("plugin", $this);
echo $template->render();
}
}
protected function getDisplayName() {
return _("Suche");
}
static public function getStudyareaSearchstring($sem_tree_ids, $depth = true) {
$db = DBManager::get();
$searchtext = "";
$study_areas = TreeAbstract::getInstance('StudipSemTree', false);
foreach ($sem_tree_ids as $sem_tree_id) {
$study_area_path = $depth ? (array) $study_areas->getParents($sem_tree_id) : array();
array_unshift($study_area_path, $sem_tree_id);
foreach ($study_area_path as $key => $study_area_path_part) {
$path_part = array_splice($study_area_path, 0, $key + 1);
$searchtext .= " sem_tree_".implode("_", $path_part);
}
}
return $searchtext;
}
protected function getTemplate($template_file_name, $layout = "without_infobox") {
if (!$this->template_factory) {
$this->template_factory = new Flexi_TemplateFactory(dirname(__file__)."/templates");
}
$template = $this->template_factory->open($template_file_name);
if ($layout) {
if (method_exists($this, "getDisplayName")) {
PageLayout::setTitle($this->getDisplayName());
} else {
PageLayout::setTitle(get_class($this));
}
$template->set_layout($GLOBALS['template_factory']->open($layout === "without_infobox" ? 'layouts/base_without_infobox' : 'layouts/base'));
}
return $template;
}
}