/**
* Constructor.
*
* @param object $logger The Logger object used for logging messages.
* @param object $db Mongo database handle.
* @param string $source The data source to be harvested.
* @param string $basePath RecordManager main directory location
* @param array $settings Settings from datasources.ini.
* @param string $startToken Optional override for the initial
* harvest command (to resume interrupted harvesting)
*
* @throws Exception
*/
public function __construct($logger, $db, $source, $basePath, $settings, $startToken = '')
{
global $configArray;
$this->log = $logger;
$this->db = $db;
// Don't time out during harvest
set_time_limit(0);
// Check if we have a start date
$this->source = $source;
$this->loadHarvestDate();
$this->resumptionToken = $startToken;
// Set up base URL:
if (empty($settings['url'])) {
throw new Exception("Missing base URL for {$source}");
}
$this->baseURL = $settings['url'];
if (isset($settings['set'])) {
$this->set = $settings['set'];
}
if (isset($settings['metadataPrefix'])) {
$this->metadata = $settings['metadataPrefix'];
}
if (isset($settings['idPrefix'])) {
$this->idPrefix = $settings['idPrefix'];
}
if (isset($settings['idSearch'])) {
$this->idSearch = $settings['idSearch'];
}
if (isset($settings['idReplace'])) {
$this->idReplace = $settings['idReplace'];
}
if (isset($settings['dateGranularity'])) {
$this->granularity = $settings['dateGranularity'];
}
if (isset($settings['verbose'])) {
$this->verbose = $settings['verbose'];
}
if (isset($settings['debuglog'])) {
$this->debugLog = $settings['debuglog'];
}
if (isset($settings['oaipmhTransformation'])) {
$style = new DOMDocument();
if ($style->load("{$basePath}/transformations/" . $settings['oaipmhTransformation']) === false) {
throw new Exception("Could not load {$basePath}/transformations/" . $settings['oaipmhTransformation']);
}
$this->transformation = new XSLTProcessor();
$this->transformation->importStylesheet($style);
}
if (isset($settings['ignoreNoRecordsMatch'])) {
$this->ignoreNoRecordsMatch = $settings['ignoreNoRecordsMatch'];
}
if (isset($configArray['Harvesting']['max_tries'])) {
$this->maxTries = $configArray['Harvesting']['max_tries'];
}
if (isset($configArray['Harvesting']['retry_wait'])) {
$this->retryWait = $configArray['Harvesting']['retry_wait'];
}
$this->message('Identifying server');
$response = $this->sendRequest('Identify');
if ($this->granularity == 'auto') {
$this->granularity = trim($this->getSingleNode($this->getSingleNode($response, 'Identify'), 'granularity')->nodeValue);
$this->message("Detected date granularity: {$this->granularity}");
}
$this->serverDate = $this->normalizeDate($this->getSingleNode($response, 'responseDate')->nodeValue);
$this->message('Current server date: ' . date('Y-m-d\\TH:i:s\\Z', $this->serverDate));
}
