private static bool TryGetDeserializedConfig(IStorageActionsAccessor accessor, string configurationName, out FileVersioningConfiguration fileVersioningConfiguration)
{
if (accessor.ConfigExists(configurationName) == false)
{
fileVersioningConfiguration = null;
return false;
}
var configuration = accessor.GetConfig(configurationName);
if (configuration == null)
{
fileVersioningConfiguration = null;
return false;
}
fileVersioningConfiguration = configuration.JsonDeserialization<FileVersioningConfiguration>();
return true;
}
public void RemoveOldRevisions(string name, long revision, FileVersioningConfiguration versioningConfiguration)
{
var latestValidRevision = revision - versioningConfiguration.MaxRevisions;
if (latestValidRevision <= 0)
return;
using (fileSystem.DisableAllTriggersForCurrentThread())
{
fileSystem.Files.IndicateFileToDelete(string.Format("{0}/revisions/{1}", name, latestValidRevision), null);
}
}
public bool TryGetVersioningConfiguration(string name, RavenJObject metadata, IStorageActionsAccessor accessor, out FileVersioningConfiguration versioningConfiguration)
{
versioningConfiguration = null;
if (name.StartsWith("Raven/", StringComparison.OrdinalIgnoreCase))
return false;
if (metadata.Value<string>(VersioningUtil.RavenFileRevisionStatus) == "Historical")
return false;
versioningConfiguration = accessor.GetVersioningConfiguration(name);
if (versioningConfiguration == null || versioningConfiguration.Exclude
|| (versioningConfiguration.ExcludeUnlessExplicit && !metadata.__ExternalState.ContainsKey(Constants.RavenCreateVersion))
|| metadata.__ExternalState.ContainsKey(Constants.RavenIgnoreVersioning))
return false;
return true;
}
