/**
* Store synced change
*
* Returns the revision of the created document.
*
* @param array $revisionDocument
* @return string
*/
public function storeSyncedChange(array $revisionDocument)
{
$id = substr($revisionDocument['_id'], strpos($revisionDocument['_id'], '/') + 1);
$revisionDocument['_rev'] = $this->revisionCalculator->getNextRevision($revisionDocument);
$this->syncedRevisions[$id] = $revisionDocument;
return $revisionDocument['_rev'];
}
/**
* Store synced change
*
* Returns the revision of the created document.
*
* @param array $revisionDocument
* @return string
*/
public function storeSyncedChange(array $revisionDocument)
{
$revisionId = substr($revisionDocument['_id'], strpos($revisionDocument['_id'], '/') + 1);
$revisionDocument['_rev'] = $this->revisionCalculator->getNextRevision($revisionDocument);
$query = $this->database->prepare("INSERT INTO\n revision (r_id, r_revision)\n VALUES\n (:id, :revision)\n ON DUPLICATE KEY UPDATE\n r_revision = VALUES(r_revision);");
$query->execute(array('id' => $revisionId, 'revision' => serialize($revisionDocument)));
return $revisionDocument['_rev'];
}
/**
* Filter changes
*
* @param Update[] $changes
* @return Update[]
*/
public function filterChanges(array $changes)
{
$sequenceMap = array();
foreach ($changes as $index => $update) {
$revisionSequence = $this->revisionCalculator->getSequence($update->changes[0]->rev);
$sequenceMap[$update->id][$revisionSequence][] = $index;
}
foreach ($sequenceMap as $documentId => $documentChanges) {
foreach ($documentChanges as $revisionSequence => $revisionChanges) {
if (count($revisionChanges) > 1) {
$firstChange = array_shift($revisionChanges);
foreach ($revisionChanges as $index) {
$changes[$firstChange] = clone $changes[$firstChange];
$changes[$firstChange]->changes = array_merge($changes[$firstChange]->changes, $changes[$index]->changes);
$changes[$firstChange]->seq = max($changes[$firstChange]->seq, $changes[$index]->seq);
unset($changes[$index]);
}
}
}
}
return array_values($changes);
}