/**
* Adds m:n records that are referenced by this record.
*
* Before this function may be called, $this->recordData['uid'] must be set
* correctly.
*
* @param string $mmTable
* the name of the m:n table, having the fields uid_local, uid_foreign and sorting, must not be empty
* @param int[] $references
* UIDs of records from the foreign table to which we should create references, may be empty
*
* @return int the number of created m:n records
*
* @throws InvalidArgumentException
* @throws BadMethodCallException
*/
protected function createMmRecords($mmTable, array $references)
{
if ($mmTable == '') {
throw new InvalidArgumentException('$mmTable must not be empty.', 1333292359);
}
if (!$this->hasUid()) {
throw new BadMethodCallException('createMmRecords may only be called on objects that have a UID.', 1333292371);
}
if (empty($references)) {
return 0;
}
$numberOfCreatedMmRecords = 0;
$isDummyRecord = $this->getRecordPropertyBoolean('is_dummy_record');
$sorting = 1;
foreach ($references as $currentRelationUid) {
// We might get unsafe data here, so better be safe.
$foreignUid = (int) $currentRelationUid;
if ($foreignUid > 0) {
$dataToInsert = array('uid_local' => $this->getUid(), 'uid_foreign' => $foreignUid, 'sorting' => $sorting, 'is_dummy_record' => $isDummyRecord);
tx_oelib_db::insert($mmTable, $dataToInsert);
$sorting++;
$numberOfCreatedMmRecords++;
}
}
return $numberOfCreatedMmRecords;
}
