private void DoUpdate(KeyValuePair <string, BackupAction> path, ref RestoreStatistics statistics)
{
switch (path.Value.ActionType)
{
case ActionType.FileOld:
Console.WriteLine($"Deleting: '{path.Key}'");
if (!TryDeleteFile(path.Key))
{
Console.WriteLine("...failed");
}
break;
case ActionType.FileNew:
Console.WriteLine($"Restore: '{path.Key}' StorageName: {path.Value.StorageName}");
if (!this.Storage.Restore(path.Value.StorageName, path.Key))
{
Console.WriteLine("...failed");
}
break;
case ActionType.DirOld:
Console.WriteLine($"Deleting: '{path.Key}' if empty");
if (!TryDeleteDir(path.Key))
{
Console.WriteLine("...failed");
}
break;
case ActionType.DirNew:
Console.WriteLine($"Creating: '{path.Key}' if not exists");
if (!TryCreateDir(path.Key))
{
Console.WriteLine("...failed");
}
break;
default:
break;
}
}
private PathsCollector CollectPaths(long targetTime, out RestoreStatistics logStatistics)
{
var pathsCollector = new PathsCollector();
logStatistics = new RestoreStatistics(forActionTimeCount: true);
this.Log.Reset();
while (!this.Log.EndOfStream)
{
var line = this.Log.ReadLine(excludeComments: true);
if (line == string.Empty)
{
continue;
}
var action = new BackupAction(line);
logStatistics.Register(action);
if (!action.ParseIsValid)
{
continue;
}
if (action.ActionTime <= targetTime)
{
switch (action.ActionType)
{
case ActionType.FileNewIgnored:
case ActionType.FileNewErrorSaving:
break;
default:
pathsCollector.InsertForUpdate(action.FullPath, action);
break;
}
}
else
{
pathsCollector.InsertForDelete(action.FullPath);
}
}
return(pathsCollector);
}
public void Rollback(DateTime targetTime, out RestoreStatistics statistics)
{
Console.WriteLine($"\nStart rollback at moment {targetTime.ToShortDateString()} {targetTime.TimeOfDay}");
var time = targetTime.Ticks;
var paths = this.CollectPaths(time, out statistics);
foreach (var path in paths.ForUpdate)
{
this.DoUpdate(path, ref statistics);
}
foreach (var path in paths.ForDelete)
{
Console.WriteLine($"Deleting: '{path}' if empty");
if (!TryDeletePath(path))
{
Console.WriteLine("...failed");
}
}
}
public void WriteLogToConsole(out RestoreStatistics statistics)
{
statistics = new RestoreStatistics(forActionTimeCount: true);
this.Log.Reset();
while (!this.Log.EndOfStream)
{
var line = this.Log.ReadLine(excludeComments: true);
if (line == string.Empty)
{
continue;
}
var action = new BackupAction(line);
statistics.Register(action);
if (action.ParseIsValid)
{
var time = new DateTime(action.ActionTime);
Console.WriteLine($"*** {statistics.ValidRecords}: {time.ToShortDateString()} {time.TimeOfDay} {action.Comment}");
}
}
}
