/// <summary>
/// Gets the enumeration of chunks for file id
/// </summary>
public static async Task<Cursor<Chunk>> EnumerateChunksAsync(Bucket bucket, Guid fileId, CancellationToken cancelToken = default(CancellationToken))
{
var index = new {index = bucket.chunkIndexName};
return await bucket.chunkTable.Between(R.Array(fileId, R.Minval()), R.Array(fileId, R.Maxval()))[index]
.OrderBy("n")[index]
.RunCursorAsync<Chunk>(bucket.conn, cancelToken)
.ConfigureAwait(false);
}
/// <summary>
/// Enumerate all possible file system entries for a given filename
/// </summary>
public static async Task<Cursor<FileInfo>> EnumerateFileEntriesAsync(Bucket bucket, string filename, CancellationToken cancelToken = default(CancellationToken))
{
filename = filename.SafePath();
var index = new {index = bucket.fileIndex};
var cursor = await bucket.fileTable
.Between(R.Array(R.Minval(), filename, R.Minval()), R.Array(R.Maxval(), filename, R.Maxval()))[index]
.RunCursorAsync<FileInfo>(bucket.conn, cancelToken)
.ConfigureAwait(false);
return cursor;
}
public DownloadStreamForwardOnly(Bucket bucket, FileInfo fileInfo, DownloadOptions options)
: base(bucket, fileInfo)
{
if( options.CheckSHA256 )
{
this.sha256 = new IncrementalSHA256();
this.checkSHA256 = true;
}
lastChunkNumber = (int)((fileInfo.Length - 1) / fileInfo.ChunkSizeBytes);
lastChunkSize = (int)(fileInfo.Length % fileInfo.ChunkSizeBytes);
if( lastChunkSize == 0 )
{
lastChunkSize = fileInfo.ChunkSizeBytes;
}
}
/// <summary>
/// Gets the enumeration of chunks for file id
/// </summary>
public static Cursor<Chunk> EnumerateChunks(Bucket bucket, Guid fileId)
{
return EnumerateChunksAsync(bucket, fileId).WaitSync();
}
/// <summary>
/// Enumerate all possible file system entries for a given filename.
/// </summary>
public static Cursor<FileInfo> EnumerateFileEntries(Bucket bucket, string filename)
{
return EnumerateFileEntriesAsync(bucket, filename).WaitSync();
}
/// <summary>
/// Reclaims space from incomplete files.
/// </summary>
public static void CleanUp(Bucket bucket)
{
}
/// <summary>
/// Get a chunk in a bucket for file id.
/// </summary>
public static async Task<Chunk> GetChunkAsync(Bucket bucket, Guid fileId, long n, CancellationToken cancelToken = default(CancellationToken))
{
var index = new {index = bucket.chunkIndexName};
return await bucket.chunkTable.GetAll(R.Array(fileId, n))[index]
.Nth(0)
.RunResultAsync<Chunk>(bucket.conn, cancelToken)
.ConfigureAwait(false);
}
/// <summary>
/// Constructs a new download stream
/// </summary>
/// <param name="bucket">The bucket the <paramref name="fileInfo"/> belongs to.</param>
/// <param name="fileInfo"><see cref="FileInfo"/></param>
protected DownloadStream(Bucket bucket, FileInfo fileInfo) : base(fileInfo)
{
this.bucket = bucket;
}
/// <summary>
/// Gets the FileInfo for a given fileId
/// </summary>
public static FileInfo GetFileInfo(this Bucket bucket, Guid fileId)
{
return(GetFileInfoAsync(bucket, fileId).WaitSync());
}
/// <summary>
/// Gets all 'completed' file revisions for a given file. Deleted and incomplete files are excluded.
/// </summary>
public static Cursor <FileInfo> GetAllRevisions(this Bucket bucket, string filename)
{
return(GetAllRevisionsAsync(bucket, filename).WaitSync());
}
/// <summary>
/// Deletes a file and it's associated revisions. Iteratively deletes revisions for a file one by one.
/// </summary>
/// <param name="mode">Soft deletes are atomic. Hard are atomic on the file but not a file's chunks.</param>
/// <param name="deleteOpts">Delete durability options. See ReQL API.</param>
/// <param name="bucket"><see cref="Bucket"/></param>
/// <param name="filename">The filename</param>
public static void DeleteAllRevisions(this Bucket bucket, string filename, DeleteMode mode = DeleteMode.Soft, object deleteOpts = null)
{
DeleteAllRevisionsAsync(bucket, filename, mode, deleteOpts).WaitSync();
}
/// <summary>
/// Deletes a file in the bucket.
/// </summary>
/// <param name="mode">Soft deletes are atomic. Hard are atomic on the file but not a file's chunks.</param>
/// <param name="deleteOpts">Delete durability options. See ReQL API.</param>
/// <param name="bucket"><see cref="Bucket"/></param>
/// <param name="fileId"><see cref="FileInfo.Id"/></param>
public static void DeleteRevision(this Bucket bucket, Guid fileId, DeleteMode mode = DeleteMode.Soft, object deleteOpts = null)
{
DeleteRevisionAsync(bucket, fileId, mode, deleteOpts).WaitSync();
}
/// <summary>
/// List files with a given path.
/// </summary>
/// <param name="path">The path starting with /</param>
/// <param name="bucket"><see cref="Bucket"/></param>
public static Cursor <FileInfo> ListFilesByPrefix(this Bucket bucket, string path)
{
return(ListFilesByPrefixAsync(bucket, path).WaitSync());
}
/// <summary>
/// Constructs a new download stream
/// </summary>
/// <param name="bucket">The bucket the <paramref name="fileInfo"/> belongs to.</param>
/// <param name="fileInfo"><see cref="FileInfo"/></param>
protected DownloadStream(Bucket bucket, FileInfo fileInfo) : base(fileInfo)
{
this.bucket = bucket;
}
/// <summary>
/// Get a chunk in a bucket for file id.
/// </summary>
public static Chunk GetChunk(Bucket bucket, Guid fileId, long n)
{
return GetChunkAsync(bucket, fileId, n).WaitSync();
}
/// <summary>
/// Gets a FileInfo for a given filename and revision. Considers only 'completed' uploads.
/// </summary>
/// <param name="revision">-1: The most recent revision. -2: The second most recent revision. -3: The third most recent revision. 0: The original stored file. 1: The first revision. 2: The second revision. etc...</param>
/// <param name="bucket"><see cref="Bucket"/></param>
/// <param name="filename">The filename</param>
public static FileInfo GetFileInfoByName(this Bucket bucket, string filename, int revision = -1)
{
return(GetFileInfoByNameAsync(bucket, filename, revision).WaitSync());
}
// constructors
public SeekableDownloadStream(Bucket bucket, FileInfo fileInfo)
: base(bucket, fileInfo)
{
}
