function site_river_friends($username, $limit = 20, $offset = 0, $from_guid)
{
global $jsonexport;
if (!$username) {
$user = elgg_get_logged_in_user_entity();
throw new InvalidParameterException('registration:usernamenotvalid');
} else {
$user = get_user_by_username($username);
if (!$user) {
throw new InvalidParameterException('registration:usernamenotvalid');
}
}
if ($from_guid > 0) {
$offset = $offset + getActivityGuidPosition($from_guid, "friends", $user);
}
$options = array('distinct' => false, 'relationship' => 'friend', 'relationship_guid' => $user->guid, 'offset' => $offset, 'limit' => $limit);
$activities = elgg_get_river($options);
$login_user = $user;
$handle = getRiverActivity($activities, $user, $login_user);
$jsonexport['activity'] = $handle;
return $jsonexport['activity'];
}
/**
* @param $guid
* @param int $limit
* @param int $offset
* @param $username
* @param $from_guid
* @return array
* @throws InvalidParameterException
*/
function group_get_activity($guid, $limit = 20, $offset = 0, $username, $from_guid)
{
if (!$username) {
$user = elgg_get_logged_in_user_entity();
throw new InvalidParameterException('registration:usernamenotvalid');
} else {
$user = get_user_by_username($username);
if (!$user) {
throw new InvalidParameterException('registration:usernamenotvalid');
}
}
$login_user = elgg_get_logged_in_user_entity();
$group = get_entity($guid);
if (!elgg_instanceof($group, 'group')) {
$return['message'] = elgg_echo('grups:error:group_not_found');
return $return;
}
$db_prefix = elgg_get_config('dbprefix');
$activities = elgg_get_river(array('limit' => $limit, 'offset' => $offset, 'joins' => array("JOIN {$db_prefix}entities e1 ON e1.guid = rv.object_guid", "LEFT JOIN {$db_prefix}entities e2 ON e2.guid = rv.target_guid"), 'wheres' => array("(e1.container_guid = {$group->guid} OR e2.container_guid = {$group->guid})"), 'no_results' => elgg_echo('groups:activity:none')));
$handle = getRiverActivity($activities, $user, $login_user);
return $handle;
}
/**
* @param $username
* @param int $limit
* @param int $offset
* @return array
* @throws InvalidParameterException
*/
function user_river_short($username, $limit = 20, $offset = 0)
{
$login_user = elgg_get_logged_in_user_entity();
$user = get_user_by_username($username);
if (!$login_user || !$user) {
throw new InvalidParameterException('registration:username not valid');
}
$options = array('offset' => $offset, 'limit' => $limit, 'subject_guid' => $user->guid);
$activities = elgg_get_river($options);
$handle = getRiverActivity($activities, $user, $login_user);
return $handle;
}
