bool tryRemoveDupe(FileDetail fdMstr, FileDetail fdDupe)
{
var masterFullPathName = Path.Combine(fdMstr.FilePath, fdMstr.FileName);
var doubleFullPathName = Path.Combine(fdDupe.FilePath, fdDupe.FileName);
if (string.Compare(masterFullPathName, doubleFullPathName, true) == 0)
{
if (Debugger.IsAttached)
{
Debugger.Break();
}
return(false);
} // only if not the same file
if (File.Exists(masterFullPathName) && File.Exists(doubleFullPathName)) // redundant but still...
{
if (string.Compare(fdMstr.FileHash, fdDupe.FileHash) == 0)
{
if (fdMstr.FileSize != fdDupe.FileSize)
{
throw new Exception("File sizes differ!!!");
}
safeDeleteFile(fdDupe, masterFullPathName, doubleFullPathName, "<Deleting full (hash+size) match of {0}.>\r\n", fdDupe.FileSize);
return(true);
}
else
{
var nu = new DelPopup();
_newUenWindowF.ShowNewWindow(nu, doubleFullPathName, masterFullPathName, fdDupe.FileHash, fdMstr.FileHash, fdDupe.FileSize, fdMstr.FileSize);
if (nu.OkToDelete == null)
{
Trace.WriteLine("Close/Exit requested.......");
return(false);
}
else if (nu.OkToDelete.Value)
{
safeDeleteFile(fdDupe, masterFullPathName, doubleFullPathName, "<Deleting manually verified match of {0}>\r\n", fdDupe.FileSize);
return(true);
}
else
{
smartUpdateNote(fdDupe, $"{_ndm} {masterFullPathName}>\r\n");
}
}
}
else
{
smartUpdateNote(fdDupe, string.Format(_ndsne, masterFullPathName));
}
return(true);
}
async Task <long> makeSureItIsDupeNadSafeDelete(FileInfo delCandidate, string mainFolder, int mainRootLen, string dupeFolder, int dupeRootLen, A0DbContext db, Stopwatch sw, SHA256 ha, long ttlLen, long prgLen)
{
prgLen = await updateMsgInfo(sw, ttlLen, prgLen, delCandidate, "F2");
var superPath = Path.GetFullPath(delCandidate.FullName).Substring(mainRootLen); // only works within OneDrive.
var oneDrBase = Path.GetFullPath(mainFolder).Substring(0, mainRootLen);
FileDetail dupeInDb = null;
lock (_thisLock)
{
dupeInDb = db.FileDetails.FirstOrDefault(r =>
r.FileSize == delCandidate.Length &&
string.Compare(r.FileName, delCandidate.Name, true) == 0 && (
string.Compare(r.FilePath, superPath, true) == 0 || // for within OneDrive
r.FilePath.ToLower().Contains(delCandidate.FullName.ToLower()) // for without OneDrive
)
);
if (dupeInDb != null)
{
if (dupeInDb.LastSeen != _ah.AuditTimeID.Date)
{
dupeInDb.LastSeen = _ah.AuditTimeID.Date;
}
}
}
var hash = await GetFileHashAsync(delCandidate, ha);
lock (_thisLock)
{
_TotalHashed++;
if (!db.FileDetails.Any(r => string.Compare(r.FileHash, hash) == 0))
{
addNewFD(db, delCandidate, hash, $"<Exisiting file does not exist: {delCandidate.FullName}>\r\n");
}
else
{
var dupeCount = db.FileDetails.Count(r => r.FileSize == delCandidate.Length);
foreach (var exgByLen in db.FileDetails.Where(r => r.FileSize == delCandidate.Length).ToList()) // db.FileDetails.Where(r => string.Compare(r.FileHash, hash) == 0).ToList().ForEach(exgByHash =>
{
var dbFullPathName = Path.Combine(oneDrBase, exgByLen.FilePath.StartsWith(@"\") ? exgByLen.FilePath.Substring(1) : exgByLen.FilePath);
Trace.WriteLine($"{dupeCount} matches, \n {delCandidate.FullName} - fic\n {dbFullPathName} - db ver\n");
if (string.Compare(delCandidate.FullName, dbFullPathName, true) != 0) // only if not the same record in db
{
if (File.Exists(dbFullPathName)) // if found in db file exists at the db specified location - safe to delete the dupe
{
if (File.Exists(delCandidate.FullName)) // we could have deleted the dupe already.
{
if (string.Compare(exgByLen.FileHash, hash) == 0)
{
safeDeleteFile(dupeInDb, dbFullPathName, delCandidate.FullName, "<Deleted-Auto as Dupe by HASH. Org: {0}", delCandidate.Length);
break;
}
else
{
var nu = new DelPopup();
_newUenWindowF.ShowNewWindow(nu, delCandidate.FullName, dbFullPathName, hash, exgByLen.FileHash, delCandidate.Length, exgByLen.FileSize);
if (nu.OkToDelete == null)
{
OnRequestClose();
break;
}
else if (nu.OkToDelete.Value)
{
safeDeleteFile(dupeInDb, dbFullPathName, delCandidate.FullName, "<Deleted as Dupe by FileLen and Look. Org: {0}", delCandidate.Length);
break;
}
}
}
}
else // if the entry in DB does not exist in FS, update the DB with the current DUPE's values (for full local OneDrive mirror)
{
smartUpdateNote(exgByLen, $"<Moved from {exgByLen.FilePath}>\r\n");
exgByLen.LastSeen = _ah.AuditTimeID;
exgByLen.FileName = delCandidate.Name;
exgByLen.FileExtn = delCandidate.Extension;
exgByLen.FilePath = superPath;
_TotalRenamed++;
}
}
}
}
}
return(prgLen);
}
