public bool Contains(string hash, string path)
{
string hashKey = BackupFile.GetFileHash(hash, path);
return(this.hashesAndFileNames.Contains(hashKey));
}
/// <summary>
///
/// </summary>
/// <param name="fullPath">Full fullPath.</param>
/// <param name="masterFolder"></param>
/// <param name="indexFolder"></param>
/// <returns></returns>
public BackupFile GetBackupFile(string fullPath, string masterFolder, string indexFolder)
{
// we hash the path of the file so we can look it up quickly
// then we check the ModifiedTime and size
// if these have changed we redo the hash
// files with same hash are allowed (Porridge TV ep and movie)
// files can't have same hash and same filename though
string hash;
BackupFile backupFile;
// if this path is already added then return it
if (this.paths.Contains(fullPath))
{
// check the timestamp against what we have
backupFile = (BackupFile)this.paths[fullPath];
var t = backupFile.LastWriteTime;
var u = Utils.GetFileLastWriteTime(fullPath);
// if the file on disk is different then check the hash
if (t != u)
{
// update the timestamp as its changed/missing
backupFile.LastWriteTime = u;
hash = Utils.GetShortMd5HashFromFile(fullPath);
// has the hash changed too?
if (hash != backupFile.ContentsHash)
{
if (this.hashesAndFileNames.Contains(backupFile.Hash))
{
this.hashesAndFileNames.Remove(backupFile.Hash);
}
backupFile.ContentsHash = hash;
this.hashesAndFileNames.Add(backupFile.Hash, backupFile);
// clear the backup details as the master file hash has changed
backupFile.BackupDisk = null;
backupFile.BackupDiskChecked = null;
}
}
// Check the file length
if (backupFile.Length == 0)
{
backupFile.UpdateFileLength();
}
return(backupFile);
}
hash = Utils.GetShortMd5HashFromFile(fullPath);
string hashKey = BackupFile.GetFileHash(hash, fullPath);
if (this.hashesAndFileNames.Contains(hashKey))
{
var b = (BackupFile)this.hashesAndFileNames[hashKey];
if (this.paths.Contains(b.FullPath))
{
this.paths.Remove(b.FullPath);
}
b.SetFullPath(fullPath, masterFolder, indexFolder);
this.paths.Add(fullPath, b);
return(b);
}
backupFile = new BackupFile(fullPath, masterFolder, indexFolder);
this.BackupFiles.Add(backupFile);
this.hashesAndFileNames.Add(backupFile.Hash, backupFile);
this.paths.Add(fullPath, backupFile);
return(backupFile);
}
