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|
<?php
/**
* Elgg sites
* Functions to manage multiple or single sites in an Elgg install
*
* @package Elgg.Core
* @subpackage DataModel.Site
*/
/**
* Get an ElggSite entity (default is current site)
*
* @param int $site_guid Optional. Site GUID.
*
* @return ElggSite
* @since 1.8.0
*/
function elgg_get_site_entity($site_guid = 0) {
global $CONFIG;
if ($site_guid == 0) {
return $CONFIG->site;
}
return get_entity($site_guid);
}
/**
* Return the site specific details of a site by a row.
*
* @param int $guid The site GUID
*
* @return mixed
* @access private
*/
function get_site_entity_as_row($guid) {
global $CONFIG;
$guid = (int)$guid;
return get_data_row("SELECT * from {$CONFIG->dbprefix}sites_entity where guid=$guid");
}
/**
* Create or update the entities table for a given site.
* Call create_entity first.
*
* @param int $guid Site GUID
* @param string $name Site name
* @param string $description Site Description
* @param string $url URL of the site
*
* @return bool
*/
function create_site_entity($guid, $name, $description, $url) {
global $CONFIG;
$guid = (int)$guid;
$name = sanitise_string($name);
$description = sanitise_string($description);
$url = sanitise_string($url);
$row = get_entity_as_row($guid);
if ($row) {
// Exists and you have access to it
$query = "SELECT guid from {$CONFIG->dbprefix}sites_entity where guid = {$guid}";
if ($exists = get_data_row($query)) {
$query = "UPDATE {$CONFIG->dbprefix}sites_entity
set name='$name', description='$description', url='$url' where guid=$guid";
$result = update_data($query);
if ($result != false) {
// Update succeeded, continue
$entity = get_entity($guid);
if (elgg_trigger_event('update', $entity->type, $entity)) {
return $guid;
} else {
$entity->delete();
//delete_entity($guid);
}
}
} else {
// Update failed, attempt an insert.
$query = "INSERT into {$CONFIG->dbprefix}sites_entity
(guid, name, description, url) values ($guid, '$name', '$description', '$url')";
$result = insert_data($query);
if ($result !== false) {
$entity = get_entity($guid);
if (elgg_trigger_event('create', $entity->type, $entity)) {
return $guid;
} else {
$entity->delete();
//delete_entity($guid);
}
}
}
}
return false;
}
/**
* Add a user to a site.
*
* @param int $site_guid Site guid
* @param int $user_guid User guid
*
* @return bool
*/
function add_site_user($site_guid, $user_guid) {
global $CONFIG;
$site_guid = (int)$site_guid;
$user_guid = (int)$user_guid;
return add_entity_relationship($user_guid, "member_of_site", $site_guid);
}
/**
* Remove a user from a site.
*
* @param int $site_guid Site GUID
* @param int $user_guid User GUID
*
* @return bool
*/
function remove_site_user($site_guid, $user_guid) {
$site_guid = (int)$site_guid;
$user_guid = (int)$user_guid;
return remove_entity_relationship($user_guid, "member_of_site", $site_guid);
}
/**
* Add an object to a site.
*
* @param int $site_guid Site GUID
* @param int $object_guid Object GUID
*
* @return mixed
*/
function add_site_object($site_guid, $object_guid) {
global $CONFIG;
$site_guid = (int)$site_guid;
$object_guid = (int)$object_guid;
return add_entity_relationship($object_guid, "member_of_site", $site_guid);
}
/**
* Remove an object from a site.
*
* @param int $site_guid Site GUID
* @param int $object_guid Object GUID
*
* @return bool
*/
function remove_site_object($site_guid, $object_guid) {
$site_guid = (int)$site_guid;
$object_guid = (int)$object_guid;
return remove_entity_relationship($object_guid, "member_of_site", $site_guid);
}
/**
* Get the objects belonging to a site.
*
* @param int $site_guid Site GUID
* @param string $subtype Subtype
* @param int $limit Limit
* @param int $offset Offset
*
* @return mixed
*/
function get_site_objects($site_guid, $subtype = "", $limit = 10, $offset = 0) {
$site_guid = (int)$site_guid;
$limit = (int)$limit;
$offset = (int)$offset;
return elgg_get_entities_from_relationship(array(
'relationship' => 'member_of_site',
'relationship_guid' => $site_guid,
'inverse_relationship' => TRUE,
'type' => 'object',
'subtypes' => $subtype,
'limit' => $limit,
'offset' => $offset
));
}
/**
* Return the site via a url.
*
* @param string $url The URL of a site
*
* @return mixed
*/
function get_site_by_url($url) {
global $CONFIG;
$url = sanitise_string($url);
$row = get_data_row("SELECT * from {$CONFIG->dbprefix}sites_entity where url='$url'");
if ($row) {
return get_entity($row->guid);
}
return false;
}
/**
* Retrieve a site and return the domain portion of its url.
*
* @param int $guid ElggSite GUID
*
* @return string
*/
function get_site_domain($guid) {
$guid = (int)$guid;
$site = get_entity($guid);
if ($site instanceof ElggSite) {
$breakdown = parse_url($site->url);
return $breakdown['host'];
}
return false;
}
/**
* Unit tests for sites
*
* @param sting $hook unit_test
* @param string $type system
* @param mixed $value Array of tests
* @param mixed $params Params
*
* @return array
* @access private
*/
function sites_test($hook, $type, $value, $params) {
global $CONFIG;
$value[] = "{$CONFIG->path}engine/tests/objects/sites.php";
return $value;
}
// Register with unit test
elgg_register_plugin_hook_handler('unit_test', 'system', 'sites_test');
|
