/// <returns>FileSets cooresponding to damaged and outdated files</returns>
/// <param name="path">Path to folder</param>
private static IEnumerable <FileSet> GetOutdatedAndDamagedFiles(string path)
{
var allData = (from file in Directory.GetFiles(path)
let data = FileSet.GetLocationAndDate(file)
where data != null && data.Value.location != null
where (new FileInfo(file)).Length > 100000
select new FileSet(data.Value.location, data.Value.date, FileSet.DownloadStatus.Downloaded)).ToList();
var duplicates = from data in allData
group data.Date by data.Location into all
select(all.Key, all.OrderByDescending(x => x).Skip(1)) into zipped
from date in zipped.Item2
select new FileSet(zipped.Key, date, FileSet.DownloadStatus.Downloaded);
var outdated = from data in allData
where data.Date < DateTime.Now.AddDays(-2)
select data;
var tooSmall = from file in Directory.GetFiles(path)
let data = FileSet.GetLocationAndDate(file)
where data != null && data.Value.location != null
where new FileInfo(file).Length < 100000
select new FileSet(data.Value.location, data.Value.date, FileSet.DownloadStatus.Downloaded);
return(duplicates.Concat(outdated.Concat(tooSmall)).ToList());
}
/// <summary>
/// Checks folder for existing files and returns FileSets cooresponding to those files.
/// </summary>
/// <param name="path">Path to folder</param>
public static IEnumerable <FileSet> CheckFolder(string path)
{
RemoveOutdatedFiles(path);
var set = from file in Directory.GetFiles(path)
let data = FileSet.GetLocationAndDate(file)
where data != null && data.Value.location != null
select new FileSet(data.Value.location, data.Value.date, FileSet.DownloadStatus.Downloaded);
return(set);
}
