void REPL(UI ui)
{
Ui = ui;
string command = string.Empty;
do
{
ui.Write("ll > ");
command = (ui.ReadLine() ?? "exit").Trim();
if (command.Equals("pause") || command.Equals("p"))
{
Pause();
}
else if (command.Equals("resume") || command.Equals("r"))
{
Resume();
}
else if (command.Equals("stats"))
{
FileStats();
}
else if (command.Equals("split"))
{
FileSplit();
}
else if (command.Equals("test"))
{
var activities = LivingFile.ReadActivities("C:\\Users\\scorder\\Documents\\living-log.2015-04.log");
ActivityTools.Process(activities);
}
} while (!command.Equals("exit"));
Program.ForceExit();
}
void FileStats()
{
if (LivingFile.Exists(m_filename))
{
var stats = LivingFile.GetStats(m_filename);
Ui.WriteLine("File " + m_filename + " has " + Tools.ToHumanString(stats.Length) + " bytes");
Ui.WriteLine("File " + m_filename + " has " + Tools.ToHumanString(stats.Count) + " lines");
}
}
void FileSplit()
{
if (Enabled)
{
Ui.WriteLine("Cannot split while logging. Please pause.");
}
else
{
if (LivingFile.Exists(m_filename))
{
Dump();
var info = LivingFile.GetInfo(m_filename);
Ui.WriteLine("Files of names " + info.BaseName + ".YYYY-MM" + info.Extension + " will be generated");
System.Diagnostics.Stopwatch w = new System.Diagnostics.Stopwatch();
long counter = 0;
var logger = new System.Timers.Timer();
logger.AutoReset = true;
logger.Interval = Constants.Second;
logger.Elapsed += (s, e) => { Ui.SetStatus("activities: " + Tools.ToHumanString(counter).PadRight(8) + " elapsed: " + w.Elapsed.ToString()); };
logger.Start();
var backups = new Dictionary <string, string>();
try
{
w.Start();
var activities = LivingFile.ReadActivities(m_filename)
.Do(() => ++ counter);
foreach (var activityBlock in activities.PartitionBlocks(Constants.ReadingBlockSize))
{
var groups = activityBlock
.GroupBy((a) =>
{
var at = a.Timestamp.ToDateTime();
return(new { Year = at.Year, Month = at.Month });
});
foreach (var group in groups)
{
if (group.Any())
{
IEnumerable <Activity> groupActivities;
var item = group.First();
if (!Categories.IsSync(item.Type))
{
// When appending activities, always start with a sync activity
// This will help "resorting" activities if needed
groupActivities = Enumerable.Repeat(LivingLogger.GetSync(item.Timestamp), 1).Concat(group);
}
else
{
groupActivities = group;
}
lock (locker)
{
var filename = info.Child(group.Key.Year, group.Key.Month);
var backup = filename + ".bak";
if (!backups.ContainsKey(filename))
{
if (File.Exists(filename))
{
if (File.Exists(backup))
{
File.Delete(backup);
}
File.Copy(filename, backup);
}
backups.Add(filename, backup);
Ui.WriteLine("Writing to " + filename);
}
Timestamp previous = groupActivities.First().Timestamp;
using (var writer = new StreamWriter(File.Open(filename, FileMode.Append)))
{
foreach (var groupActivityBlock in groupActivities.PartitionBlocks(Constants.WritingBlockSize))
{
WriteText(groupActivityBlock, ref previous, writer);
}
}
}
}
}
}
Ui.SetStatus("Split task successful.");
foreach (var kvp in backups)
{
counter = 0;
w.Restart();
Ui.WriteLine("Processing " + kvp.Key);
if (File.Exists(kvp.Value))
{
File.Delete(kvp.Value);
}
if (File.Exists(kvp.Key))
{
File.Copy(kvp.Key, kvp.Value);
}
var processed =
ActivityTools.Process(
LivingFile
.ReadActivities(kvp.Value)
.Do(() => ++ counter)
);
Timestamp previous = processed.First().Timestamp;
using (var writer = new StreamWriter(File.Create(kvp.Key)))
{
foreach (var pBlock in processed.PartitionBlocks(Constants.WritingBlockSize))
{
WriteText(pBlock, ref previous, writer);
}
}
}
foreach (var kvp in backups)
{
if (File.Exists(kvp.Value))
{
File.Delete(kvp.Value);
}
}
using (var file = File.Create(m_filename))
{
// "using" makes sura that the file is properly closed and not still in use
}
Ui.SetStatus("Processing task successful.");
}
catch (Exception e)
{
Ui.SetStatus("Error during split task. Removing temporary files...");
foreach (var kvp in backups)
{
if (File.Exists(kvp.Key))
{
File.Delete(kvp.Key);
}
if (File.Exists(kvp.Value))
{
File.Move(kvp.Value, kvp.Key);
}
}
}
finally
{
logger.Stop();
}
}
}
}