function trigger_harvest($id = false, $mute = false)
{
header('Cache-Control: no-cache, must-revalidate');
header('Content-type: application/json');
set_exception_handler('json_exception_handler');
if (!$id) {
throw new Exception('Data source ID is required');
}
$this->load->model("data_sources", "ds");
$ds = $this->ds->getByID($id);
if (!$ds) {
throw new Exception('Invalid Data source ID');
}
try {
$ds->clearHarvestError();
$harvestDate = strtotime($ds->getAttribute("harvest_date"));
$nextRun = getNextHarvestDate($harvestDate, $ds->harvest_frequency);
if ($ds->harvest_method == 'PMHHarvester' && $ds->oai_set) {
$oai_msg = 'OAI Set: ' . $ds->oai_set;
} else {
$oai_msg = '';
}
if ($ds->advanced_harvest_mode == 'INCREMENTAL') {
$incr_msg = 'From date: ' . date('Y-m-d H:i:s', strtotime($ds->last_harvest_run_date)) . NL . 'To date: ' . date('Y-m-d H:i:s', $harvestDate) . NL;
} else {
$incr_msg = '';
}
$scheduled_date = date('Y-m-d H:i:s P', $nextRun);
if ($ds->harvest_frequency == '') {
//once off
$scheduled_date = date('Y-m-d H:i:s', time());
}
$ds->append_log('Harvest scheduled to run at ' . $scheduled_date . NL . 'URI: ' . $ds->uri . NL . 'Harvest Method: ' . readable($ds->harvest_method) . NL . 'Provider Type: ' . $ds->provider_type . NL . 'Advanced Harvest Mode: ' . $ds->advanced_harvest_mode . NL . $incr_msg . $oai_msg . NL);
$ds->setHarvestRequest('HARVEST', false);
$ds->setHarvestMessage('Harvest scheduled');
$ds->updateImporterMessage(array());
} catch (Exception $e) {
throw new Exception($e);
}
if (!$mute) {
echo json_encode(array('status' => 'OK', 'message' => 'Harvest Started'));
}
}
function setNextHarvestRun($harvestId)
{
$harvestDate = strtotime($this->getAttribute("harvest_date"));
date_default_timezone_set('Australia/Canberra');
$previousRun = date('Y-m-d\\TH:i:s.uP', time());
$nextRun = getNextHarvestDate($harvestDate, $this->harvest_frequency);
if ($nextRun) {
$status = 'SCHEDULED';
$batchNumber = strtoupper(sha1($nextRun));
$this->db->where("harvest_id", $harvestId);
try {
$this->db->update('harvests', array('status' => $status, 'last_run' => $previousRun, 'next_run' => date('Y-m-d\\TH:i:s.uP', $nextRun), 'batch_number' => $batchNumber, 'mode' => 'HARVEST', 'message' => null));
} catch (Exception $e) {
throw new Exception('Cannot update harvest requests ' . $e);
}
}
}