/**
* Save harvested records to disk and return the end date.
*
* @param object $records SimpleXML records.
*
* @return int
*/
public function write($records)
{
// Array for tracking successfully harvested IDs:
$harvestedIds = [];
// Date of most recent record encountered:
$endDate = 0;
$this->strategy->beginWrite();
// Loop through the records:
foreach ($records as $record) {
// Die if the record is missing its header:
if (empty($record->header)) {
throw new \Exception('Unexpected missing record header.');
}
// Get the ID of the current record:
$id = $this->extractID($record);
// Save the current record, either as a deleted or as a regular file:
$attribs = $record->header->attributes();
if (strtolower($attribs['status']) == 'deleted') {
$this->strategy->addDeletedRecord($id);
} else {
$recordXML = $this->recordFormatter->format($id, $record);
$this->strategy->addRecord($id, $recordXML);
$harvestedIds[] = $id;
}
// If the current record's date is newer than the previous end date,
// remember it for future reference:
$date = $this->normalizeDate($record->header->datestamp);
if ($date && $date > $endDate) {
$endDate = $date;
}
}
$this->strategy->endWrite();
$this->writeHarvestedIdsLog($harvestedIds);
return $endDate;
}
/**
* Test exception when metadata is missing.
*
* @return void
*
* @expectedException Exception
* @expectedExceptionMessage Unexpected missing record metadata.
*/
public function testMissingMetadataException()
{
$formatter = new RecordXmlFormatter();
$formatter->format('foo', simplexml_load_string('<empty />'));
}