/**
* Calculate revision diff
*
* @param array $requestedRevisions
* @return array
*/
public function calculateRevisionDiff(array $requestedRevisions)
{
$missingRevisions = array();
foreach ($requestedRevisions as $documentId => $revisions) {
$missingRevisions[$documentId] = $this->revisionDiffer->calculate($revisions, isset($this->data[$documentId]) ? array_keys($this->data[$documentId]) : array());
}
return array_filter($missingRevisions);
}
/**
* Calculate revision diff
*
* Returns an array of revisions for each document which are not in the
* database yet.
*
* @param array $requestedRevisions
* @return array
*/
public function calculateRevisionDiff(array $requestedRevisions)
{
$result = $this->database->query("SELECT\n d_id id,\n d_revision revision\n FROM\n document\n WHERE\n d_id IN (" . implode(', ', array_map(array($this->database, 'quote'), array_keys($requestedRevisions))) . ");")->fetchAll();
$availableRevisions = array();
foreach ($result as $row) {
if (!isset($availableRevisions[$row['id']])) {
$availableRevisions[$row['id']] = array();
}
$availableRevisions[$row['id']][] = $row['revision'];
}
$missingRevisions = array();
foreach ($requestedRevisions as $documentId => $revisions) {
$missingRevisions[$documentId] = $this->revisionDiffer->calculate($revisions, isset($availableRevisions[$documentId]) ? $availableRevisions[$documentId] : array());
}
return array_filter($missingRevisions);
}