/// <summary>
/// Inserts a ScannedFile into the storage backend
/// </summary>
/// <param name="scannedFile">The ScannedFile to insert</param>
public async Task InsertScannedFileAsync(ScannedFile scannedFile)
{
if (!await ScannedFilesContains(scannedFile))
{
_scannedFiles.InsertData(scannedFile);
}
}
public override bool Equals(object obj)
{
ScannedFileHashComparer comparer = new ScannedFileHashComparer();
ScannedFile otherScannedFile = obj as ScannedFile;
bool isEqual = this.Name.Equals(otherScannedFile.Name) &&
this.Path.Equals(otherScannedFile.Path) &&
this.Length.Equals(otherScannedFile.Length) &&
comparer.Equals(this.Hash, otherScannedFile.Hash);
return(isEqual);
}
/// <summary>
/// Iterate through the ScannedFiles to determine if there is an equal ScannedFile
/// </summary>
/// <param name="scannedFile">The ScannedFile to compare against the ScannedFiles in the data cache</param>
/// <returns>true/false if the ScannedFile is contained in the data cache</returns>
private async Task <bool> ScannedFilesContains(ScannedFile scannedFile)
{
Task <bool> task = Task.Run(() =>
{
bool contains = false;
foreach (ScannedFile contextScannedFile in _scannedFiles.ListData())
{
contains |= contextScannedFile.Equals(scannedFile);
}
return(contains);
});
return(await task);
}
/// <summary>
/// Scan a file to the storage backend and update the progress
/// </summary>
/// <param name="filePath">The location to add to the storage backend</param>
/// <param name="progress">The IProgress to update the progress on.
/// Progress is updated with the following formula: index * 100 / totalCount</param>
internal async Task ScanFile(string filePath, IProgress <int> progress, int index, int totalCount)
{
if (_fileSystem.File.Exists(filePath))
{
FileHash fileHash = new FileHash(_fileSystem);
ScannedFile scannedFile = new ScannedFile();
scannedFile.Name = _fileSystem.Path.GetFileName(filePath);
scannedFile.Path = _fileSystem.Path.GetFullPath(filePath);
scannedFile.Hash = await fileHash.ComputeFileHashAsync(filePath);
await _service.InsertScannedFileAsync(scannedFile);
}
if (progress != null)
{
progress.Report(index * 100 / totalCount);
}
}
