/**
* @param Record $record
* @param string $uniqueName
* @return bool
* @throws \Dive\Table\TableException
*/
private function isCheckRequired(Record $record, $uniqueName)
{
$table = $record->getTable();
$uniqueIndex = $table->getIndex($uniqueName);
$isNullConstrained = $table->isUniqueIndexNullConstrained($uniqueName);
$uniqueFields = $uniqueIndex['fields'];
$checkIsRequired = false;
foreach ($uniqueFields as $fieldName) {
if ($record->exists() && !$record->isFieldModified($fieldName)) {
continue;
}
if ($isNullConstrained) {
return true;
}
if ($record->get($fieldName) === null) {
return false;
}
$checkIsRequired = true;
}
return $checkIsRequired;
}
/**
* @param Relation $owningRelation
* @param Record $owningRecord
* @throws UnitOfWorkException
*/
private function applyDeleteConstraint(Relation $owningRelation, Record $owningRecord)
{
$owningFieldName = $owningRelation->getOwningField();
if ($owningRecord->isFieldModified($owningFieldName)) {
return;
}
$constraintName = $owningRelation->getOnDelete();
switch ($constraintName) {
case PlatformInterface::CASCADE:
$this->scheduleDelete($owningRecord);
break;
case PlatformInterface::SET_NULL:
if (!$this->isRecordScheduledForDelete($owningRecord)) {
$owningRecord->set($owningFieldName, null);
$this->scheduleSave($owningRecord);
}
break;
case PlatformInterface::RESTRICT:
case PlatformInterface::NO_ACTION:
// if not deleted yet, it has to be deleted before commit for comply with the constraint
if (!$this->isRecordScheduledForDelete($owningRecord)) {
$this->markRecordForRestrictOnCommitWhenNotDeleted($owningRecord);
}
break;
}
}
/**
* @param Record $record
* @param string $relationName
* @return array
* @throws RelationException
*/
public function getOriginalReferencedIds(Record $record, $relationName)
{
$isReferencedSide = $this->isReferencedSide($relationName);
if ($isReferencedSide) {
$owningField = $this->getOwningField();
if ($record->isFieldModified($owningField)) {
return array($record->getModifiedFieldValue($owningField));
}
return array($record->get($owningField));
}
$query = $this->getReferenceQuery($record, $relationName, array($record->getInternalId()));
$originalReferencedIds = $query->fetchScalars();
if ($this->isOneToOne()) {
$moreThanOne = isset($originalReferencedIds[1]);
if ($moreThanOne) {
throw new RelationException("One-to-one relation has returned more than one result!");
}
}
return $originalReferencedIds;
}
