private void EnsureLocalConflictByConflictFile(string conflictFilePath)
{
var conflict = _context.Conflicts.FirstOrDefault(current => current.ConflictFilePath == conflictFilePath);
// conflict does not exist in database
// actions: add new entity
if (conflict == null)
{
_logger.LogDebug($"Conflict entity does not exist. Actions(s): Add new entity.");
var originalFilePath = _regex_replace.Replace(conflictFilePath, string.Empty);
conflict = new Conflict()
{
OriginalFilePath = originalFilePath,
ConflictFilePath = conflictFilePath
};
_context.Conflicts.Add(conflict);
}
else
{
_logger.LogDebug($"Conflict entity already exists. Actions(s): do nothing.");
}
}
private async Task <bool> CheckConflict(Conflict conflict)
{
var remoteItem = _context.RemoteStates.FirstOrDefault(current => current.GetItemPath() == conflict.OriginalFilePath);
var originalDriveItem = conflict.OriginalFilePath.ToDriveItem(DriveItemType.File);
// original file exists locally
if (await _localDrive.ExistsAsync(originalDriveItem))
{
_logger.LogDebug($"Original file exists locally.");
var conflictDriveItem = conflict.ConflictFilePath.ToDriveItem(DriveItemType.File);
// conflict file exists locally
// actions: do nothing - user must delete or rename conflict file manually
if (await _localDrive.ExistsAsync(conflictDriveItem))
{
_logger.LogDebug($"Conflict file exists locally. Action(s): do nothing.");
}
// conflict file does not exist locally, i.e. conflict is solved
else
{
_logger.LogDebug($"Conflict file does not exist locally.");
// remote file is tracked in database
if (remoteItem != null)
{
_logger.LogDebug($"Remote file is tracked in database.");
// hashes are equal
// actions: do nothing
if (await _localDrive.GetHashAsync(originalDriveItem) == remoteItem.QuickXorHash)
{
_logger.LogDebug($"File is unchanged. Action(s): do nothing.");
}
// actions: upload file and replace remote version
else
{
_logger.LogInformation($"File was modified. Action(s): upload and replace file.");
originalDriveItem = await _localDrive.ToFullDriveItem(originalDriveItem);
var driveItem = await _remoteDrive.CreateOrUpdateAsync(originalDriveItem);
_context.RemoteStates.Add(driveItem.ToRemoteState());
}
}
// remote file is not tracked in database (e.g. upload failed previously)
// actions: upload file
else
{
_logger.LogInformation($"Remote file is not tracked in database. Action(s): upload file.");
originalDriveItem = await _localDrive.ToFullDriveItem(originalDriveItem);
var driveItem = await _remoteDrive.CreateOrUpdateAsync(originalDriveItem);
_context.RemoteStates.Add(driveItem.ToRemoteState());
}
return(true);
}
}
// original file does not exist locally
// actions: do nothing - user must delete or rename conflict file manually
else
{
_logger.LogDebug($"Original file does not exist locally. Action(s): do nothing.");
}
return(false);
}