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-rw-r--r--engine/lib/pageowner.php182
1 files changed, 87 insertions, 95 deletions
diff --git a/engine/lib/pageowner.php b/engine/lib/pageowner.php
index 32c431632..b03422e4f 100644
--- a/engine/lib/pageowner.php
+++ b/engine/lib/pageowner.php
@@ -1,7 +1,7 @@
<?php
/**
* Elgg page owner library
- * Contains functions for managing page ownership
+ * Contains functions for managing page ownership and context
*
* @package Elgg
* @subpackage Core
@@ -9,129 +9,84 @@
* @link http://elgg.org/
*/
+
/**
- * Gets the page owner for the current page.
- * @uses $CONFIG
- * @return int|false The current page owner guid (0 if none).
+ * Gets the guid of the entity that owns the current page.
+ * @param int $guid Optional parameter used by elgg_set_page_owner_guid().
+ * @return int The current page owner guid (0 if none).
+ * @since 1.8
*/
+function elgg_get_page_owner_guid($guid = 0) {
+ static $page_owner_guid;
-function page_owner() {
- global $CONFIG;
-
- $returnval = NULL;
-
- $setpageowner = set_page_owner();
- if ($setpageowner !== false) {
- return $setpageowner;
+ if ($guid) {
+ $page_owner_guid = $guid;
}
- if ((!isset($returnval)) && ($username = get_input("username"))) {
- if (substr_count($username,'group:')) {
- preg_match('/group\:([0-9]+)/i',$username,$matches);
- $guid = $matches[1];
- if ($entity = get_entity($guid)) {
- $returnval = $entity->getGUID();
- }
- }
- if ((!isset($returnval)) && ($user = get_user_by_username($username))) {
- $returnval = $user->getGUID();
- }
+ if (isset($page_owner_guid)) {
+ return $page_owner_guid;
}
+ $guid = trigger_plugin_hook('page_owner', 'system', NULL, 0);
- if ((!isset($returnval)) && ($owner = get_input("owner_guid"))) {
- if ($user = get_entity($owner)) {
- $returnval = $user->getGUID();
- }
- }
-
+ $page_owner_guid = $guid;
- if ((!isset($returnval)) && (!empty($CONFIG->page_owner_handlers) && is_array($CONFIG->page_owner_handlers))) {
- foreach($CONFIG->page_owner_handlers as $handler) {
- if ((!isset($returnval)) && ($guid = $handler())) {
- $returnval = $guid;
- }
- }
- }
+ return $guid;
+}
- if (isset($returnval)) {
- // Check if this is obtainable, forwarding if not.
- /*
- * If the owner entity has been set, but is inaccessible then we forward to the dashboard. This
- * catches a bunch of WSoDs. It doesn't have much of a performance hit since 99.999% of the time the next thing
- * a page does after calling this function is to retrieve the owner entity - which is of course cashed.
- */
- $owner_entity = get_entity($returnval);
- if (!$owner_entity) {
-
- // Log an error
- error_log(sprintf(elgg_echo('pageownerunavailable'), $returnval));
-
- // Forward
- forward();
- }
+/**
+ * @deprecated 1.8 Use get_page_owner_guid()
+ */
+function page_owner() {
+ elgg_deprecated_notice('page_owner() was deprecated by elgg_get_page_owner_guid().', 1.8);
+ return elgg_get_page_owner_guid();
+}
- // set the page owner so if we're called again we don't have to think.
- set_page_owner($returnval);
- return $returnval;
+/**
+ * Gets the owner entity for the current page.
+ * @return ElggEntity|false The current page owner or false if none.
+ * @since 1.8
+ */
+function elgg_get_page_owner() {
+ $guid = elgg_get_page_owner_guid();
+ if ($guid > 0) {
+ return get_entity($guid);
}
- return 0;
+ return FALSE;
}
/**
- * Gets the page owner for the current page.
- * @uses $CONFIG
- * @return ElggUser|false The current page owner (false if none).
+ * @deprecated 1.8 Use elgg_get_page_owner()
*/
function page_owner_entity() {
- global $CONFIG;
- $page_owner = page_owner();
- if ($page_owner > 0) {
- return get_entity($page_owner);
- }
-
- return false;
+ elgg_deprecated_notice('page_owner_entity() was deprecated by elgg_get_page_owner().', 1.8);
+ return elgg_get_page_owner();
}
/**
- * Adds a page owner handler - a function that will
- * return the page owner if required
- * (Such functions are required to return false if they don't know)
- * @uses $CONFIG
- * @param string $functionname The name of the function to call
- * @return mixed The guid of the owner or false
+ * Set the guid of the entity that owns this page
+ * @param int $guid
+ * @since 1.8
*/
+function elgg_set_page_owner_guid($guid) {
+ elgg_get_page_owner_guid($guid);
+}
+
+/**
+ * @deprecated 1.8 Use the 'page_owner', 'system' plugin hook
+ */
function add_page_owner_handler($functionname) {
- global $CONFIG;
- if (empty($CONFIG->page_owner_handlers)) {
- $CONFIG->page_owner_handlers = array();
- }
- if (is_callable($functionname)) {
- $CONFIG->page_owner_handlers[] = $functionname;
- }
+ elgg_deprecated_notice("add_page_owner_handler() was deprecated by the plugin hook 'page_owner', 'system'.", 1.8);
}
/**
- * Allows a page to manually set a page owner
- *
- * @param int $entitytoset The GUID of the page owner
- * @return int|false Either the page owner we've just set, or false if unset
+ * @deprecated 1.8 Use elgg_set_page_owner_guid()
*/
function set_page_owner($entitytoset = -1) {
- static $entity;
-
- if (!isset($entity)) {
- $entity = false;
- }
-
- if ($entitytoset > -1) {
- $entity = $entitytoset;
- }
-
- return $entity;
-
+ elgg_deprecated_notice('set_page_owner() was deprecated by elgg_set_page_owner_guid().', 1.8);
+ elgg_set_page_owner_guid($entitytoset);
}
/**
@@ -167,3 +122,40 @@ function get_context() {
}
return "main";
}
+
+function default_page_owner_handler($hook, $entity_type, $returnvalue, $params) {
+
+ if ($returnvalue) {
+ return $returnvalue;
+ }
+
+ $username = get_input("username");
+ if ($username) {
+ if (substr_count($username, 'group:')) {
+ preg_match('/group\:([0-9]+)/i', $username, $matches);
+ $guid = $matches[1];
+ if ($entity = get_entity($guid)) {
+ return $entity->getGUID();
+ }
+ }
+
+ if ($user = get_user_by_username($username)) {
+ return $user->getGUID();
+ }
+ }
+
+ $owner = get_input("owner_guid");
+ if ($owner) {
+ if ($user = get_entity($owner)) {
+ return $user->getGUID();
+ }
+ }
+
+ return $returnvalue;
+}
+
+function page_owner_init() {
+ register_plugin_hook('page_owner', 'system', 'default_page_owner_handler');
+}
+
+register_elgg_event_handler('init', 'system', 'page_owner_init'); \ No newline at end of file