/// <summary>
/// Remove any items and their associated tags from the database and add new ones for the files currently in the bag location.
/// This method can also be used to initialize a newly created bag volume already containing files.
/// </summary>
/// <param name="drive"></param>
public void Resynchronize(string drive)
{
drive = drive.ToUpper();
if (vMan.DiscoveredBagVolumes.Count == 0)
{
throw new SynchronizationManagerException("Unable to start synchronization: there are no registered bag volumes.");
}
DatabaseOperations dbOp;
if (!VolumeMountManager.GetInstance().DiscoveredBagVolumes.TryGetValue(drive, out dbOp))
{
throw new SynchronizationManagerException("Unable to start synchronization: bag volume is not registered.");
}
StopSynchronization(drive); // Stop synching
dbOp.TruncateTable("Item");
dbOp.TruncateTable("ItemTag");
string path = drive + dbOp.BagLocation;
DirectoryInfo dInfo = new DirectoryInfo(path);
if (dInfo.Exists)
{
foreach (FileInfo fInfo in dInfo.GetFiles())
{
Item fileItem = Helper.GetItemFromFileInfo(fInfo);
// Old tag processor
//dbOp.InsertItem(fileItem);
//dbOp.InsertDefaultItemTag(fileItem);
// New meta service
MetaService.ProcessItem(fileItem, dbOp);
}
}
else
{
throw new SynchronizationManagerException("Bag location does not exist on volume " + drive);
}
}
/// <summary>
/// Start synchronization of the given bag volume entry
/// </summary>
/// <param name="entry"></param>
public void StartSynchronization(string drive)
{
if (!_watchedDrives.ContainsKey(drive))
{
if (vMan.DiscoveredBagVolumes.Count == 0)
{
throw new SynchronizationManagerException("Unable to start synchronization: there are no registered bag volumes.");
}
FileSystemWatcher fsw = new FileSystemWatcher();
DatabaseOperations op;
if (!vMan.DiscoveredBagVolumes.TryGetValue(drive, out op))
{
throw new SynchronizationManagerException("Unable to start synchronization: bag volume is not registered.");
}
fsw.Path = op.BagLocation;
fsw.EnableRaisingEvents = true;
_watchedDrives.Add(drive, fsw);
// Assign event handlers for the FileWathcer on this volume
#region fsw event handlers
fsw.Created += (s, e) => {
FileInfo fInfo = new FileInfo(e.FullPath);
DriveInfo dInfo = new DriveInfo(fInfo.Directory.Root.Name);
MjDebug.Log("Detected new file '" + fInfo.Name + "'");
DatabaseOperations dbOp = VolumeMountManager.GetInstance().DiscoveredBagVolumes[dInfo.ToString()];
Item fileItem = Helper.GetItemFromFileInfo(fInfo);
if (fileItem != null)
{
try {
// Old tag processor
//dbOp.InsertItem(fileItem);
//dbOp.InsertDefaultItemTag(fileItem);
// New meta service
MetaService.ProcessItem(fileItem, dbOp);
} catch (SQLiteException ex) {
MjDebug.Log("Database reports: \n" + ex.Message);
}
}
else
{
MjDebug.Log("Fileitem is null");
}
};
fsw.Deleted += (s, e) => {
FileInfo fInfo = new FileInfo(e.FullPath);
DriveInfo dInfo = new DriveInfo(fInfo.Directory.Root.Name);
MjDebug.Log("Removed file '" + fInfo.Name + "'");
DatabaseOperations tempOp = VolumeMountManager.GetInstance().DiscoveredBagVolumes[dInfo.ToString()];
Item fileItem = Helper.GetItemFromId(fInfo.Name);
if (fileItem != null)
{
try {
//tempOp.DeleteItem(fileItem);
} catch (SQLiteException ex) {
MjDebug.Log("Database reports: \n" + ex.Message);
}
}
else
{
MjDebug.Log("Fileitem is null");
}
};
fsw.Renamed += (s, e) => {
FileInfo fInfo = new FileInfo(e.FullPath);
FileInfo oldfInfo = new FileInfo(e.OldFullPath);
DriveInfo dInfo = new DriveInfo(fInfo.Directory.Root.Name);
MjDebug.Log("Renamed file '" + oldfInfo.Name + "' to '" + fInfo.Name + "'");
DatabaseOperations dbOp = VolumeMountManager.GetInstance().DiscoveredBagVolumes[dInfo.ToString()];
Item fileItem = Helper.GetItemFromFileInfo(fInfo);
Item oldFileItem = Helper.GetItemFromId(oldfInfo.Name);
if (fileItem != null && oldfInfo != null)
{
try {
//dbOp.DeleteItem(oldFileItem);
// Old tag processor
//dbOp.InsertItem(fileItem);
//dbOp.InsertDefaultItemTag(fileItem);
// New meta service
MetaService.ProcessItem(fileItem, dbOp);
} catch (SQLiteException ex) {
MjDebug.Log("Database reports: \n" + ex.Message);
}
}
else
{
MjDebug.Log("Fileitem is null");
}
};
#endregion
}
}
