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|
<?php
/**
* Elgg core search.
*
* @package Elgg
* @subpackage Core
* @author Curverider Ltd <info@elgg.com>, The MITRE Corporation <http://www.mitre.org>
* @link http://elgg.org/
*/
// $search_type == all || entities || trigger plugin hook
$search_type = get_input('search_type', 'all');
// @todo there is a bug in get_input that makes variables have slashes sometimes.
$query = stripslashes(get_input('q', get_input('tag', '', FALSE), FALSE));
// get limit and offset. override if on search dashboard, where only 2
// of each most recent entity types will be shown.
$limit = ($search_type == 'all') ? 2 : get_input('limit', 10);
$offset = ($search_type == 'all') ? 0 : get_input('offset', 0);
$entity_type = get_input('entity_type', NULL);
$entity_subtype = get_input('entity_subtype', NULL);
$owner_guid = get_input('owner_guid', NULL);
$friends = (int)get_input('friends', 0);
// set up search params
$params = array(
'query' => $query,
'offset' => $offset,
'limit' => $limit,
'search_type' => $search_type,
'type' => $entity_type,
'subtype' => $entity_subtype,
// 'tag_type' => $tag_type,
'owner_guid' => $owner_guid,
// 'friends' => $friends
'pagination' => ($search_type == 'all') ? FALSE : TRUE
);
$types = get_registered_entity_types();
$custom_types = trigger_plugin_hook('search_types', 'get_types', $params, array());
// add submenu items for all and native types
// @todo should these maintain any existing type / subtype filters or reset?
$data = htmlspecialchars(http_build_query(array(
'q' => $query,
'entity_subtype' => $subtype,
'entity_type' => $type,
'owner_guid' => $owner_guid,
'search_type' => 'all',
'friends' => $friends
)));
$url = "{$CONFIG->wwwroot}pg/search/?$data";
add_submenu_item(elgg_echo('all'), $url);
foreach ($types as $type => $subtypes) {
// @todo when using index table, can include result counts on each of these.
if (is_array($subtypes) && count($subtypes)) {
foreach ($subtypes as $subtype) {
$label = "item:$type:$subtype";
$data = htmlspecialchars(http_build_query(array(
'q' => $query,
'entity_subtype' => $subtype,
'entity_type' => $type,
'owner_guid' => $owner_guid,
'search_type' => 'entities',
'friends' => $friends
)));
$url = "{$CONFIG->wwwroot}pg/search/?$data";
add_submenu_item(elgg_echo($label), $url);
}
} else {
$label = "item:$type";
$data = htmlspecialchars(http_build_query(array(
'q' => $query,
'entity_type' => $type,
'owner_guid' => $owner_guid,
'search_type' => 'entities',
'friends' => $friends
)));
$url = "{$CONFIG->wwwroot}pg/search/?$data";
add_submenu_item(elgg_echo($label), $url);
}
}
// add submenu for custom searches
foreach ($custom_types as $type) {
$label = "search_types:$type";
$data = htmlspecialchars(http_build_query(array(
'q' => $query,
'entity_subtype' => $entity_subtype,
'entity_type' => $entity_type,
'owner_guid' => $owner_guid,
'search_type' => $type,
'friends' => $friends
)));
$url = "{$CONFIG->wwwroot}pg/search/?$data";
add_submenu_item(elgg_echo($label), $url);
}
// check that we have an actual query
if (!$query) {
$body = elgg_view_title(elgg_echo('search:search_error'));
$body .= elgg_view('page_elements/contentwrapper', array('body' => elgg_echo('search:no_query')));
$layout = elgg_view_layout('two_column_left_sidebar', '', $body);
page_draw($title, $layout);
return;
}
// start the actual search
$results_html = '';
if ($search_type == 'all' || $search_type == 'entities') {
// to pass the correct current search type to the views
$current_params = $params;
$current_params['search_type'] = 'entities';
// foreach through types.
// if a plugin returns FALSE for subtype ignore it.
// if a plugin returns NULL or '' for subtype, pass to generic type search function.
// if still NULL or '' or empty(array()) no results found. (== don't show??)
foreach ($types as $type => $subtypes) {
if ($search_type != 'all' && $entity_type != $type) {
continue;
}
if (is_array($subtypes) && count($subtypes)) {
foreach ($subtypes as $subtype) {
// no need to search if we're not interested in these results
// @todo when using index table, allow search to get full count.
if ($search_type != 'all' && $entity_subtype != $subtype) {
continue;
}
$current_params['subtype'] = $subtype;
$current_params['type'] = $type;
$entities = trigger_plugin_hook('search', "$type:$subtype", $current_params, NULL);
if ($entities === FALSE) {
// someone is saying not to display these types in searches.
continue;
} elseif (is_array($entities) && !count($entities)) {
// no results, but results searched in hook.
} elseif (!$entities) {
// no results and not hooked. use default type search.
// don't change the params here, since it's really a different subtype.
// Will be passed to elgg_get_entities().
$results = trigger_plugin_hook('search', $type, $current_params, array());
}
if (is_array($results['entities']) && $results['count']) {
if ($view = search_get_search_view($current_params, 'listing')) {
$results_html .= elgg_view($view, array('results' => $results, 'params' => $current_params));
}
}
}
}
// pull in default type entities with no subtypes
// @todo this might currently means "all entities regardless of subtype"
$current_params['type'] = $type;
$current_params['subtype'] = 0;
$results = trigger_plugin_hook('search', $type, $current_params, array());
if ($results === FALSE) {
// someone is saying not to display these types in searches.
continue;
}
if (is_array($results['entities']) && $results['count']) {
if ($view = search_get_search_view($current_params, 'listing')) {
$results_html .= elgg_view($view, array('results' => $results, 'params' => $current_params));
}
}
}
}
// call custom searches
if ($search_type != 'entities' || $search_type == 'all') {
if (is_array($custom_types)) {
foreach ($custom_types as $type) {
if ($search_type != 'all' && $search_type != $type) {
continue;
}
$current_params = $params;
$current_params['search_type'] = $type;
// custom search types have no subtype.
unset($current_params['subtype']);
$results = trigger_plugin_hook('search', $type, $current_params, array());
if ($results === FALSE) {
// someone is saying not to display these types in searches.
continue;
}
if (is_array($results['entities']) && $results['count']) {
if ($view = search_get_search_view($current_params, 'listing')) {
$results_html .= elgg_view($view, array('results' => $results, 'params' => $current_params));
}
}
}
}
}
// highlight search terms
$searched_words = search_remove_ignored_words($query, 'array');
$highlighted_query = search_highlight_words($searched_words, $query);
$body = elgg_view_title(sprintf(elgg_echo('search:results'), "\"$highlighted_query\""));
if (!$results_html) {
$body .= elgg_view('page_elements/contentwrapper', array('body' => elgg_echo('search:no_results')));
} else {
$body .= $results_html;
}
// this is passed the original params because we don't care what actually
// matched (which is out of date now anyway).
// we want to know what search type it is.
$layout_view = search_get_search_view($params, 'layout');
$layout = elgg_view($layout_view, array('params' => $params, 'body' => $body));
$title = sprintf(elgg_echo('search:results'), "\"{$params['query']}\"");
page_draw($title, $layout);
|
