private string GetArchive()
{
string result = null;
if (CurrentDirectory > -1 && CurrentDirectory < Directories.Count && CurrentMonth > -1 && Months != null && CurrentMonth < Months.Count)
{
string dir = Path.GetFileName(Directories[CurrentDirectory]);
string fileName = Path.GetFileName(Months[CurrentMonth]);
if (dir != null && fileName != null)
{
string monthString = dir + "-" + fileName.Substring(5, 2);
if (DateTime.TryParseExact(monthString, "yyyy-MM", CultureInfo.InvariantCulture, DateTimeStyles.AssumeLocal, out DateTime parsed) && CurrentChatFilter.DuringMonth(parsed))
{
var archive = ChatManager.OpenArchive(Months[CurrentMonth], ZipArchiveMode.Read);
if (archive != null)
{
Entries = archive.Entries.Where(entry =>
{
bool found = false;
if (entry.Name != ChatManager.INDEX)
{
string dayString = monthString + "-" + entry.Name;
if (DateTime.TryParseExact(dayString, "yyyy-MM-dd", CultureInfo.InvariantCulture, DateTimeStyles.AssumeLocal, out DateTime day) && CurrentChatFilter.DuringDay(day))
{
found = true;
}
}
return(found);
}).OrderByDescending(entry => entry.Name).Select(entry => entry.Name).ToList();
CurrentEntry = -1;
result = Months[CurrentMonth];
archive.Dispose();
}
}
}
if (result == null)
{
CurrentMonth++;
return(GetArchive());
}
}
return(result);
}
private StringReader GetNextReader()
{
StringReader result = null;
CurrentEntry++;
if (CurrentEntry < Entries.Count)
{
var archive = ChatManager.OpenArchive(Months[CurrentMonth], ZipArchiveMode.Read);
if (archive != null)
{
var reader = new StreamReader(archive.GetEntry(Entries[CurrentEntry]).Open());
result = new StringReader(reader.ReadToEnd());
reader.Close();
archive.Dispose();
}
}
return(result);
}
