public override void Run(object param)
{
DriveInfo[] driveInfos = DriveInfo.GetDrives();
Drive[] drives = new Drive[driveInfos.Length];
for (int i = 0; i < driveInfos.Length; i++)
{
string vLabel = driveInfos[i].VolumeLabel;
Queryable<Artefact> q =
(Queryable<Artefact>)(
from a in _repoProxy.Artefacts//.AsEnumerable()
where /*a.GetType() == typeof(Drive)*/ a is Drive && (a as Drive).Label == vLabel
select a);
// drives[i] = (Drive)q.FirstOrDefault();
// if (q.TotalCount > 0)
if (q.Count() > 0)
drives[i] = q.ToArray()[0] as Drive;
if (drives[i] == null)
_repoProxy.Add(drives[i] = new Drive(driveInfos[i]));
else if (drives[i].UpdateAge > TimeSpan.FromMinutes(1))
_repoProxy.Update(drives[i].Update(driveInfos[i]));
}
recursionDepth = -1;
Queue<Uri> subDirectories = new Queue<Uri>(new Uri[] { BaseUri });
while (subDirectories.Count > 0)
{
Uri currentUri = subDirectories.Dequeue();
Drive drive = null;
foreach (Drive d in drives)
if (currentUri.LocalPath.StartsWith(d.Label))
drive = d;
foreach (string relPath in EnumerateFiles(currentUri))
{
string absPath = Path.Combine(currentUri.LocalPath, relPath);
System.Linq.IQueryable<Artefact> r =
from a in _repoProxy.Artefacts
where a is File && (a as File).Path == absPath
select a;
File file = (File)r.AsEnumerable().FirstOrDefault();
if (file == null)
_repoProxy.Add(new File(new System.IO.FileInfo(absPath), drive));
else if (file.UpdateAge > TimeSpan.FromMinutes(1))
_repoProxy.Update(new File(new System.IO.FileInfo(absPath), drive) { Id = file.Id, TimeCreated = file.TimeCreated });
}
if (RecursionLimit < 0 || ++recursionDepth < RecursionLimit)
{
foreach (string relPath in EnumerateDirectories(currentUri))
{
string absPath = Path.Combine(currentUri.LocalPath, relPath);
var r = // System.Linq.IQueryable<Artefact>
from a in _repoProxy.Artefacts //.AsEnumerable()
where a is Directory && (a as Directory).Path == absPath
select a;
Directory dir = (Directory)r.AsEnumerable().FirstOrDefault();
if (dir == null)
_repoProxy.Add(new Directory(new System.IO.DirectoryInfo(absPath), drive));
else if (dir.UpdateAge > TimeSpan.FromMinutes(1))
_repoProxy.Update(new Directory(new System.IO.DirectoryInfo(absPath), drive) { Id = dir.Id, TimeCreated = dir.TimeCreated });
subDirectories.Enqueue(new Uri(currentUri, relPath));
}
}
}
}
/// <summary>
/// Gets the drives.
/// </summary>
/// <returns>The drives.</returns>
public static IQueryable<Drive> GetDrives()
{
List<Drive> drives = new List<Drive>();
foreach (DriveInfo dInfo in DriveInfo.GetDrives())
{
Drive drive = null;
try
{
if (Repository != null)
{
drive = ((IQueryable<Drive>)Repository.Queryables[typeof(Drive)]).FirstOrDefault((d) => d.Label == dInfo.VolumeLabel);
if (drive == null)
Repository.Add(drive = new Drive(dInfo));
else
Repository.Update(drive.Update());
}
else
drive = new Drive(dInfo);
if (drive == null)
throw new NullReferenceException("drive is null");
drives.Add(drive);
}
catch (UnauthorizedAccessException ex)
{
// this is OK to continue from, just ignore & omit that drive - for now output for debug though
Console.WriteLine("\n{0}\n", ex.ToString());
}
}
return drives.AsQueryable();
}
