/**
* Get popular search terms and return html snippet
*
* @return void
*/
public function launch()
{
global $interface, $configArray;
if (!isset($configArray['Piwik']['site_id']) || !isset($configArray['Piwik']['token_auth'])) {
exit;
}
$options = array('module' => 'API', 'format' => 'json', 'method' => 'Actions.getSiteSearchKeywords', 'idSite' => $configArray['Piwik']['site_id'], 'period' => 'range', 'date' => date('Y-m-d', strtotime('-30 days')) . ',' . date('Y-m-d'), 'token_auth' => $configArray['Piwik']['token_auth']);
$url = $configArray['Piwik']['url'];
// Retrieve data from Piwik
$request = new Proxy_Request();
$request->setMethod(HTTP_REQUEST_METHOD_GET);
$request->setURL($url);
// Load request parameters:
foreach ($options as $key => $value) {
$request->addQueryString($key, $value);
}
// Perform request and die on error:
$result = $request->sendRequest();
if (PEAR::isError($result)) {
die($result->getMessage() . "\n");
}
$response = json_decode($request->getResponseBody(), true);
$searchPhrases = array();
if (isset($response['result']) && $response['result'] == 'error') {
$logger = new Logger();
$logger->log('Piwik error: ' . $response['message'], PEAR_LOG_ERR);
} else {
foreach ($response as $item) {
if (substr($item['label'], 0, 1) === '(') {
// remove searches that begin with a parenthesis
// because they are likely to be advanced searches
continue;
} else {
if ($item['label'] === '-') {
// remove empty searches
continue;
} else {
$label = $item['label'];
}
}
$searchPhrases[$label] = !isset($item['nb_actions']) || is_null($item['nb_actions']) ? $item['nb_visits'] : $item['nb_actions'];
}
// Order by hits
arsort($searchPhrases);
}
// Assign values only and 10 first items
$interface->assign('searchPhrases', array_slice(array_keys($searchPhrases), 0, 10));
$interface->display('AJAX/popularSearches.tpl');
}
/**
* Make an OAI-PMH request. Die if there is an error; return a SimpleXML object
* on success.
*
* @param string $verb OAI-PMH verb to execute.
* @param array $params GET parameters for ListRecords method.
*
* @return object SimpleXML-formatted response.
* @access private
*/
private function _sendRequest($verb, $params = array())
{
// Debug:
if ($this->_verbose) {
echo "Sending request: verb = {$verb}, params = ";
print_r($params);
}
// Set up retry loop:
while (true) {
// Set up the request:
$request = new Proxy_Request();
$request->setMethod(HTTP_REQUEST_METHOD_GET);
$request->setURL($this->_baseURL);
// Load request parameters:
$request->addQueryString('verb', $verb);
foreach ($params as $key => $value) {
$request->addQueryString($key, $value);
}
// Perform request and die on error:
$result = $request->sendRequest();
if (PEAR::isError($result)) {
die($result->getMessage() . "\n");
}
// Check for 503 response.
if ($request->getResponseCode() == 503) {
$delay = $request->getResponseHeader('Retry-After');
if ($delay > 0) {
if ($this->_verbose) {
echo "Received 503 response; waiting {$delay} seconds...\n";
}
sleep($delay);
}
} else {
// If we didn't get a 503, we can leave the retry loop:
break;
}
}
// If we got this far, there was no error -- send back response.
$response = $request->getResponseBody();
return $this->_processResponse($response);
}
