internal static FileInfo WithRemovedTimeStamp(this FileInfo file, IBackupSettings setting)
{
if (setting.TimeStampFormat is null)
{
return(file);
}
var pattern = setting.TimeStampPattern();
var stripped = Regex.Replace(file.FullName, pattern, string.Empty, RegexOptions.RightToLeft | RegexOptions.Singleline);
return(new FileInfo(stripped));
}
internal static FileInfo WithRemovedTimeStamp(this FileInfo file, IBackupSettings setting)
{
Ensure.NotNull(file, nameof(file));
Ensure.NotNull(setting, nameof(setting));
if (setting.TimeStampFormat == null)
{
return(file);
}
var pattern = setting.TimeStampPattern();
var stripped = Regex.Replace(file.FullName, pattern, "", RegexOptions.RightToLeft | RegexOptions.Singleline);
return(new FileInfo(stripped));
}
internal static DateTime GetTimeStamp(this FileInfo file, IBackupSettings setting)
{
Ensure.NotNull(file, nameof(file));
Ensure.NotNull(setting, nameof(setting));
if (setting.TimeStampFormat == null)
{
return(file.CreationTime);
}
var pattern = setting.TimeStampPattern();
var timeAsString = Regex.Match(file.FullName, pattern, RegexOptions.RightToLeft | RegexOptions.Singleline)
.Groups["timestamp"]
.Value;
if (string.IsNullOrEmpty(timeAsString))
{
return(file.CreationTime);
}
var timeStamp = DateTime.ParseExact(timeAsString, setting.TimeStampFormat, CultureInfo.InvariantCulture);
return(timeStamp);
}