function getSubGraph($params)
{
global $dbTiki, $base_url;
$userlib = new UsersLib;
$nodeName = $params->getParam(0);
$nodeName = $nodeName->scalarVal();
$depth = $params->getParam(1);
$depth = $depth->scalarVal();
$nodes = array();
$passed = array($nodeName => true);
$queue = array($nodeName);
$i = 0;
$neighbours = array();
while ($i <= $depth && count($queue) > 0) {
$nextQueue = array();
foreach ($queue as $nodeName) {
$similar = $userlib->related_users($nodeName, 5);
if (isset($neighbours[$nodeName])) {
$myNeighbours = $neighbours[$nodeName];
} else {
$myNeighbours = array();
}
foreach ($similar as $user) {
$myNeighbours[] = $user['login'];
$neighbours[$user['login']][] = $nodeName;
}
$temp_max = count($myNeighbours);
for ($j = 0; $j < $temp_max; $j++) {
if (!isset($passed[$myNeighbours[$j]])) {
$nextQueue[] = $myNeighbours[$j];
$passed[$myNeighbours[$j]] = true;
}
$myNeighbours[$j] = new XML_RPC_Value($myNeighbours[$j]);
}
$node = array();
$actionUrl = "javascript:listObjects('$nodeName');";
$color = '#0000FF';
$node['neighbours'] = new XML_RPC_Value($myNeighbours, "array");
if (!empty($color)) {
$node['color'] = new XML_RPC_Value($color, "string");
}
$node['actionUrl'] = new XML_RPC_Value($actionUrl, "string");
$nodes[$nodeName] = new XML_RPC_Value($node, "struct");
}
$i++;
$queue = $nextQueue;
}
$response = array("graph" => new XML_RPC_Value($nodes, "struct"));
return new XML_RPC_Response(new XML_RPC_Value($response, "struct"));
}
