/* Entry point for un-sharing file with a user*/
public void unShareFileWithUser(string clientId, string filename, string sharedWithUser)
{
Logger.Debug("Un Sharing file " + filename + " owned by user " + clientId + " with user " + sharedWithUser);
UserFileSystem fs = getUserFSFromMapSynchronized(clientId);
bool filepresent = fs.isFilePresentSynchronized(filename);
fs.removeSharedUserFromFileSynchronized(filename, sharedWithUser);
if (!filepresent)
{
throw new FileNotFoundException("File not present in memory for client : " + filename + " for client : " + clientId);
}
UserFileSystem sharedFS = getUserFSFromMapSynchronized(sharedWithUser);
bool deleted = sharedFS.deleteSharedFileSynchronized(new SharedFile(clientId, filename));
if (!deleted)
{
Logger.Debug("Shared file was not present , skipping deletion");
}
}
/* Entry point for delete file*/
public bool deleteFileSynchronized(string clientid, string filename)
{
Logger.Debug("Deleting file : " + filename + " owned by : " + clientid);
//1) Remove the file from the file system of the client
//2) Remove the file from the file system of all shared clients
UserFileSystem fs = getUserFSFromMapSynchronized(clientid);
if (fs == null)
{
throw new UserNotLoadedInMemoryException("User not loaded in memory :" + clientid);
}
bool delete = fs.deleteFileSynchronized(filename);
List <string> sharedClients = fs.getFileMetaDataCloneSynchronized(filename).sharedwithclients;
foreach (string sharedclient in sharedClients)
{
UserFileSystem fsShared = getUserFSFromMapSynchronized(sharedclient);
if (fsShared != null)
{
Logger.Debug("Removing file : " + filename + " from shared client fs : " + sharedclient);
fsShared.deleteSharedFileSynchronized(new SharedFile(clientid, filename));
}
else
{
Logger.Warn("The shared user file system is missing from the memory, see what happened");
}
}
return(delete);
}
