Fixes #3158 updated search and pages plugins for page handler scripts

git-svn-id: http://code.elgg.org/elgg/trunk@8769 36083f99-b078-4883-b0ff-0f9b5a30f544

1 files changed, 273 insertions, 0 deletions

diff --git a/mod/search/pages/search/index.php b/mod/search/pages/search/index.php
new file mode 100644
index 000000000..4da6f95ef
--- /dev/null
+++ b/mod/search/pages/search/index.php
@@ -0,0 +1,273 @@
+<?php
+/**
+ * Elgg search page
+ *
+ * @todo much of this code should be pulled out into a library of functions
+ */
+
+// Search supports RSS
+global $autofeed;
+$autofeed = true;
+
+// $search_type == all || entities || trigger plugin hook
+$search_type = get_input('search_type', 'all');
+
+// @todo there is a bug in get_input that makes variables have slashes sometimes.
+// XSS protection is more important that searching for HTML.
+$query = stripslashes(get_input('q', get_input('tag', '')));
+
+// get limit and offset.  override if on search dashboard, where only 2
+// of each most recent entity types will be shown.
+$limit = ($search_type == 'all') ? 2 : get_input('limit', 10);
+$offset = ($search_type == 'all') ? 0 : get_input('offset', 0);
+
+$entity_type = get_input('entity_type', ELGG_ENTITIES_ANY_VALUE);
+$entity_subtype = get_input('entity_subtype', ELGG_ENTITIES_ANY_VALUE);
+$owner_guid = get_input('owner_guid', ELGG_ENTITIES_ANY_VALUE);
+$container_guid = get_input('container_guid', ELGG_ENTITIES_ANY_VALUE);
+$friends = get_input('friends', ELGG_ENTITIES_ANY_VALUE);
+$sort = get_input('sort');
+switch ($sort) {
+	case 'relevance':
+	case 'created':
+	case 'updated':
+	case 'action_on':
+	case 'alpha':
+		break;
+
+	default:
+		$sort = 'relevance';
+		break;
+}
+
+$order = get_input('sort', 'desc');
+if ($order != 'asc' && $order != 'desc') {
+	$order = 'desc';
+}
+
+// set up search params
+$params = array(
+	'query' => $query,
+	'offset' => $offset,
+	'limit' => $limit,
+	'sort' => $sort,
+	'order' => $order,
+	'search_type' => $search_type,
+	'type' => $entity_type,
+	'subtype' => $entity_subtype,
+//	'tag_type' => $tag_type,
+	'owner_guid' => $owner_guid,
+	'container_guid' => $container_guid,
+//	'friends' => $friends
+	'pagination' => ($search_type == 'all') ? FALSE : TRUE
+);
+
+$types = get_registered_entity_types();
+$custom_types = elgg_trigger_plugin_hook('search_types', 'get_types', $params, array());
+
+// add sidebar items for all and native types
+// @todo should these maintain any existing type / subtype filters or reset?
+$data = htmlspecialchars(http_build_query(array(
+	'q' => $query,
+	'entity_subtype' => $entity_subtype,
+	'entity_type' => $entity_type,
+	'owner_guid' => $owner_guid,
+	'search_type' => 'all',
+	//'friends' => $friends
+)));
+$url = elgg_get_site_url() . "search?$data";
+$menu_item = new ElggMenuItem('all', elgg_echo('all'), $url);
+elgg_register_menu_item('page', $menu_item);
+
+foreach ($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
+			)));
+
+			$url = elgg_get_site_url()."search?$data";
+			$menu_item = new ElggMenuItem($label, elgg_echo($label), $url);
+			elgg_register_menu_item('page', $menu_item);
+		}
+	} else {
+		$label = "item:$type";
+
+		$data = htmlspecialchars(http_build_query(array(
+			'q' => $query,
+			'entity_type' => $type,
+			'owner_guid' => $owner_guid,
+			'search_type' => 'entities',
+			'friends' => $friends
+		)));
+
+		$url = elgg_get_site_url() . "search?$data";
+
+		$menu_item = new ElggMenuItem($label, elgg_echo($label), $url);
+		elgg_register_menu_item('page', $menu_item);
+	}
+}
+
+// add sidebar for custom searches
+foreach ($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
+	)));
+
+	$url = elgg_get_site_url()."search?$data";
+
+	$menu_item = new ElggMenuItem($label, elgg_echo($label), $url);
+	elgg_register_menu_item('page', $menu_item);
+}
+
+
+// check that we have an actual query
+if (!$query) {
+	$body  = elgg_view_title(elgg_echo('search:search_error'));
+	$body .= elgg_echo('search:no_query');
+	$layout = elgg_view_layout('one_sidebar', array('content' => $body));
+	echo elgg_view_page($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;
+
+				$results = elgg_trigger_plugin_hook('search', "$type:$subtype", $current_params, NULL);
+				if ($results === FALSE) {
+					// someone is saying not to display these types in searches.
+					continue;
+				} elseif (is_array($results) && !count($results)) {
+					// no results, but results searched in hook.
+				} elseif (!$results) {
+					// 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 = elgg_trigger_plugin_hook('search', $type, $current_params, array());
+				}
+
+				if (is_array($results['entities']) && $results['count']) {
+					if ($view = search_get_search_view($current_params, 'list')) {
+						$results_html .= elgg_view($view, array(
+							'results' => $results,
+							'params' => $current_params,
+						));
+					}
+				}
+			}
+		}
+
+		// pull in default type entities with no subtypes
+		$current_params['type'] = $type;
+		$current_params['subtype'] = ELGG_ENTITIES_NO_VALUE;
+
+		$results = elgg_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, 'list')) {
+				$results_html .= elgg_view($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 = elgg_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, 'list')) {
+					$results_html .= elgg_view($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(elgg_echo('search:results', array("\"$highlighted_query\"")));
+
+if (!$results_html) {
+	$body .= elgg_view('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 = elgg_echo('search:results', array("\"{$params['query']}\""));
+
+echo elgg_view_page($title, $layout);