/**
* Controls the actual harvesting
*/
function harvest()
{
$oaisp = new OAIServiceProvider($this->config['oai_server'], $this->logger);
try {
$params = array('metadataPrefix' => $this->config['metadataPrefix']);
if (!@$this->config['full_harvest']) {
$params['from'] = $this->get_last_datestamp();
}
$oaisp->query_listrecords(array($this, 'record_reader'), $params);
} catch (OAIServiceProviderOAIErrorNoRecordsMatchException $e) {
$this->log('no new records.');
}
}
public function executeHarvest(sfWebRequest $request)
{
if ($request->hasParameter('ids')) {
$data_providers = oaiDataProviderPeer::retrieveByPKs($request->getParameter('ids'));
} else {
if ($request->hasParameter('id')) {
$data_providers = array(oaiDataProviderPeer::retrieveByPK($request->getParameter('id')));
} else {
$data_providers = oaiDataProviderPeer::retrieveEnabled();
}
}
$service_provider = new OAIServiceProvider($data_providers);
if ($service_provider->canHarvest() && $service_provider->harvest()) {
$updates = $service_provider->getNbUpdates();
if ($updates > 0) {
$notice = 'Successfully harvested ' . $updates . ' records.';
} else {
$notice = 'No new records to harvest. Everything is up to date.';
}
$this->getUser()->setFlash('notice', $notice);
$errors = $service_provider->getErrors();
if (count($errors) > 0) {
$error = 'Some errors have been found while harvesting: ';
foreach ($errors as $url => $specific_errors) {
$error .= sprintf('%s (%s). ', implode(', ', $specific_errors), $url);
}
$this->getUser()->setFlash('error', $error);
}
} else {
$errors = $service_provider->getErrors();
if (count($errors) > 0) {
$error = 'Unable to complete harvesting. Too many errors have been found while trying to do so: ';
foreach ($errors as $url => $specific_errors) {
$error .= sprintf('%s (%s). ', implode(', ', $specific_errors), $url);
}
$this->getUser()->setFlash('error', $error);
}
}
$this->redirect('@oai_data_provider');
}
function __test($server_url)
{
try {
$oaisp = new OAIServiceProvider($server_url);
$oaisp->query_identify(array($oaisp, '__test_xml_dump'));
//$oaisp->query_listsets(array($oaisp,'__test_xml_dump'));
$oaisp->query_listmetadataformats(array($oaisp, '__test_xml_dump'));
$oaisp->query_listidentifiers(array($oaisp, '__test_xml_dump'), array('metadataPrefix' => 'oas'));
$oaisp->query_listrecords(array($oaisp, '__test_xml_dump'), array('metadataPrefix' => 'oas'));
} catch (Exception $e) {
echo "Error:\n";
var_dump($e);
}
}
