/**
* @param ObjectManager $manager
* @param string $filename
* @return integer Number of entries actually added.
*/
protected function addEntries(ObjectManager $manager, $filename)
{
$repo = $this->getRepository($manager);
$entriesAdded = 0;
$currentBatchEntries = array();
$fcontents = file($filename);
for ($i = 0, $numLines = count($fcontents); $i < $numLines; ++$i) {
$line = trim($fcontents[$i]);
$arr = explode("\t", $line);
// skip if no lat/lng values
if (!array_key_exists(9, $arr) || !array_key_exists(10, $arr)) {
continue;
}
$country = $arr[0];
$postalCode = $arr[1];
// skip duplicate entries in current batch
if (in_array($country . '-' . $postalCode, $currentBatchEntries)) {
continue;
}
// skip duplicate entries already persisted
if ($repo->findOneBy(array('country' => $country, 'postalCode' => $postalCode)) !== null) {
continue;
}
$entity = new GeoPostalCode();
$entity->setCountry($country);
$entity->setPostalCode($postalCode);
$entity->setLat((double) $arr[9]);
$entity->setLng((double) $arr[10]);
$manager->persist($entity);
++$entriesAdded;
$currentBatchEntries[] = $country . '-' . $postalCode;
if (($i + 1) % $this->batchSize === 0) {
$manager->flush();
$manager->clear();
$currentBatchEntries = array();
echo '.';
// progress indicator
}
}
$manager->flush();
// Flush for the last batch, which doesn't reach the batch size in most cases. (fixes #2)
echo ' ', $entriesAdded, "\n";
return $entriesAdded;
}
/**
* Persists a number of {@code GeoPostalCode}s using dummy data.
* @param integer $number
*/
protected static function persistDummyGeoPostalCodes($number)
{
$em = static::getEntityManager();
for ($i = 0; $i < $number; ++$i) {
$entity = new GeoPostalCode();
$entity->setCountry('DE');
$entity->setPostalCode($i);
$entity->setLat('52.' . $i);
$entity->setLng('13.' . $i);
$em->persist($entity);
}
$em->flush();
}