public List <FastFileInfo> GetAllFiles(SearchCriteria criteria)
{
//string[] fileEntries = null;
IEnumerable <FastFileInfo> files = null;
//var directory = new DirectoryInfo(criteria.TargetFolder);
var searchPattern = criteria.SearchPattern.Equals(string.Empty) ? "*.*" : criteria.SearchPattern;
var searchOption = criteria.IncludeSubfolders ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
if (criteria.UseDateRange)
{
var startTime = new DateTime();
var endTime = DateTime.Now;
if (criteria.DateRangeToday)
{
startTime = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 0, 0, 0);
}
else if (criteria.DateRangeLast4Hours)
{
startTime = DateTime.Now.AddHours(-4);
}
else if (criteria.DateRangeLastHour)
{
startTime = DateTime.Now.AddHours(-1);
}
else if (criteria.DateRangeJustNow)
{
startTime = DateTime.Now.AddMinutes(-2);
}
else // Use from and to date
{
startTime = criteria.StartTime ?? DateTime.MinValue;
endTime = criteria.EndTime ?? DateTime.MinValue;
}
// Source: https://sourceforge.net/projects/fastfileinfo/
//files = directory.GetFiles(searchPattern, searchOption)
// .Where(f => f.LastWriteTime >= startTime && f.LastWriteTime <= endTime);
files = FastFileInfo.EnumerateFiles(criteria.TargetFolder, searchPattern, searchOption)
.Where(f => f.LastWriteTime >= startTime && f.LastWriteTime <= endTime);
}
else
{
//files = directory.GetFiles(searchPattern, searchOption);
files = FastFileInfo.EnumerateFiles(criteria.TargetFolder, searchPattern, searchOption);
}
return(files.ToList());
}
