/// <summary>
/// Deletes all extended attributes.
/// </summary>
/// <param name="dataCloudItem"><see cref="DataCloudItem"/></param>
public async Task DeleteExtendedAttributes(DataCloudItem dataCloudItem)
{
var fileClient = GetFileClient(dataCloudItem.Path);
dataCloudItem.Properties.Clear();
await fileClient.SetMetadataAsync(dataCloudItem.Properties);
}
/// <summary>
/// Gets extended attribute.
/// </summary>
/// <param name="dataCloudItem"><see cref="DataCloudItem"/></param>
/// <param name="attribName">Attribute name.</param>
/// <returns>Attribute value.</returns>
public async Task <T> GetExtendedAttributeAsync <T>(DataCloudItem dataCloudItem, string attribName) where T : new()
{
if (string.IsNullOrEmpty(attribName))
{
throw new ArgumentNullException("attribName");
}
dataCloudItem.Properties.TryGetValue(attribName, out var value);
return(Deserialize <T>(value));
}
/// <summary>
/// Deletes extended attribute.
/// </summary>
/// <param name="dataCloudItem"><see cref="DataCloudItem"/></param>
/// <param name="attribName">Attribute name.</param>
public async Task DeleteExtendedAttributeAsync(DataCloudItem dataCloudItem, string attribName)
{
if (string.IsNullOrEmpty(attribName))
{
throw new ArgumentNullException("attribName");
}
var fileClient = GetFileClient(dataCloudItem.Path);
dataCloudItem.Properties.Remove(attribName);
await fileClient.SetMetadataAsync(dataCloudItem.Properties);
}
/// <summary>
/// Returns item info for the path. Doesn't check if item exists.
/// </summary>
/// <param name="path">Path to item.</param>
/// <returns><see cref="DataCloudItem"/></returns>
public async Task <DataCloudItem> GetItemAsync(string path)
{
var client = GetFileClient(path);
var properties = await client.GetPropertiesAsync();
var dlItem = new DataCloudItem
{
ContentLength = properties.Value.ContentLength,
ContentType = properties.Value.ContentType,
Name = EncodeUtil.DecodeUrlPart(client.Name),
Path = client.Path,
CreatedUtc = properties.Value.CreatedOn.UtcDateTime,
ModifiedUtc = properties.Value.LastModified.UtcDateTime,
Properties = properties.Value.Metadata,
IsDirectory = properties.Value.IsDirectory
};
return(dlItem);
}
/// <summary>
/// Sets extended attribute.
/// </summary>
/// <param name="dataCloudItem"><see cref="DataCloudItem"/></param>
/// <param name="attribName">Attribute name.</param>
/// <param name="attribValue">Attribute value.</param>
public async Task SetExtendedAttributeAsync(DataCloudItem dataCloudItem, string attribName, object attribValue)
{
if (string.IsNullOrEmpty(attribName))
{
throw new ArgumentNullException("attribName");
}
if (attribValue == null)
{
throw new ArgumentNullException("attribValue");
}
if (!dataCloudItem.Properties.ContainsKey(LastModifiedProperty))
{
dataCloudItem.Properties[LastModifiedProperty] = (dataCloudItem.ModifiedUtc.Subtract(new DateTime(1970, 1, 1))).TotalMilliseconds.ToString(CultureInfo.InvariantCulture);
}
var fileClient = GetFileClient(dataCloudItem.Path);
dataCloudItem.Properties[attribName] = Serialize(attribValue);
await fileClient.SetMetadataAsync(dataCloudItem.Properties);
}
/// <summary>
/// Copy item to another destination.
/// </summary>
/// <param name="path">Path to item.</param>
/// <param name="destFolder">Path to destination folder.</param>
/// <param name="destName">Destination name.</param>
/// <param name="contentLength">Size of item to copy.</param>
/// <param name="sourceProps">Custom attributes to copy.</param>
/// <returns></returns>
public async Task CopyItemAsync(string path, string destFolder, string destName, long contentLength, IDictionary <string, string> sourceProps)
{
var sourceClient = GetFileClient(path);
var targetFolder = GetDirectoryClient(destFolder);
await CreateFileAsync(destFolder, destName);
await using var memoryStream = new MemoryStream();
await sourceClient.ReadToAsync(memoryStream);
memoryStream.Position = 0;
string targetPath = targetFolder.Path + "/" + EncodeUtil.EncodeUrlPart(destName);
await WriteItemAsync(targetPath, memoryStream, contentLength, sourceProps);
await CopyExtendedAttributes(new DataCloudItem { Properties = sourceProps }, targetPath);
var destItem = new DataCloudItem
{
Name = destName,
Path = targetPath
};
await DeleteExtendedAttributeAsync(destItem, "Locks");
}
/// <summary>
/// Moves all extended attributes.
/// </summary>
/// <param name="dataCloudItem"><see cref="DataCloudItem"/></param>
/// <param name="destPath">Destination path.</param>
public async Task MoveExtendedAttributes(DataCloudItem dataCloudItem, string destPath)
{
await CopyExtendedAttributes(dataCloudItem, destPath);
await DeleteExtendedAttributes(dataCloudItem);
}
/// <summary>
/// Copies all extended attributes.
/// </summary>
/// <param name="dataCloudItem"><see cref="DataCloudItem"/></param>
/// <param name="destPath">Destination path.</param>
public async Task CopyExtendedAttributes(DataCloudItem dataCloudItem, string destPath)
{
await GetFileClient(destPath).SetMetadataAsync(dataCloudItem.Properties);
}
