/// <summary>
/// Returns a <see cref="System.Threading.Tasks.Task<IAsset>"/> instance for a new <see cref="IAsset"/> with the files in <paramref name="folderPath"/>.
/// </summary>
/// <param name="context">The <see cref="CloudMediaContext"/> instance.</param>
/// <param name="folderPath">The path to the folder with the files to upload to the new <see cref="IAsset"/>.</param>
/// <param name="storageAccountName">The name of the Storage Account where to store the new <see cref="IAsset"/>.</param>
/// <param name="options">The <see cref="AssetCreationOptions"/>.</param>
/// <param name="uploadProgressChangedCallback">A callback to report upload progress of the files.</param>
/// <param name="cancellationToken">The <see cref="System.Threading.CancellationToken"/> instance used for cancellation.</param>
/// <returns>A <see cref="System.Threading.Tasks.Task<IAsset>"/> instance for a new <see cref="IAsset"/> with the files in <paramref name="folderPath"/>.</returns>
public static async Task <IAsset> CreateAssetFromFolderAsync(this CloudMediaContext context, string folderPath, string storageAccountName, AssetCreationOptions options, Action <IAssetFile, UploadProgressChangedEventArgs> uploadProgressChangedCallback, CancellationToken cancellationToken)
{
if (context == null)
{
throw new ArgumentNullException("context", "The context cannot be null.");
}
IEnumerable <string> filePaths = Directory.EnumerateFiles(folderPath);
if (!filePaths.Any())
{
throw new FileNotFoundException(
string.Format(CultureInfo.InvariantCulture, "No files in directory, check the folder path: '{0}'", folderPath));
}
if (string.IsNullOrWhiteSpace(storageAccountName))
{
storageAccountName = context.DefaultStorageAccount.Name;
}
string assetName = Path.GetFileName(Path.GetFullPath(folderPath.TrimEnd('\\')));
IAsset asset = await context.Assets.CreateAsync(assetName, storageAccountName, options, cancellationToken);
ILocator sasLocator = await context.CreateLocatorAsync(asset, LocatorType.Sas, AccessPermissions.Write | AccessPermissions.List, DefaultAccessPolicyDuration);
EventHandler <UploadProgressChangedEventArgs> uploadProgressChangedHandler =
(s, e) =>
{
IAssetFile assetFile = (IAssetFile)s;
UploadProgressChangedEventArgs eventArgs = e;
if (uploadProgressChangedCallback != null)
{
uploadProgressChangedCallback(assetFile, eventArgs);
}
};
IList <Task> uploadTasks = new List <Task>();
foreach (string filePath in filePaths)
{
uploadTasks.Add(
context.CreateAssetFileFromLocalFileAsync(asset, filePath, sasLocator, uploadProgressChangedHandler, cancellationToken));
}
await Task.WhenAll(uploadTasks);
await sasLocator.DeleteAsync();
return(asset);
}
/// <summary>
/// Returns a <see cref="System.Threading.Tasks.Task<IAsset>"/> instance for a new <see cref="IAsset"/> with the file in <paramref name="filePath"/>.
/// </summary>
/// <param name="context">The <see cref="CloudMediaContext"/> instance.</param>
/// <param name="filePath">The path to the file to upload to the new <see cref="IAsset"/>.</param>
/// <param name="storageAccountName">The name of the Storage Account where to store the new <see cref="IAsset"/>.</param>
/// <param name="options">The <see cref="AssetCreationOptions"/>.</param>
/// <param name="uploadProgressChangedCallback">A callback to report the upload progress of the file.</param>
/// <param name="cancellationToken">The <see cref="System.Threading.CancellationToken"/> instance used for cancellation.</param>
/// <returns>A <see cref="System.Threading.Tasks.Task<IAsset>"/> instance for a new <see cref="IAsset"/> with the file in <paramref name="filePath"/>.</returns>
public static async Task <IAsset> CreateAssetFromFileAsync(this CloudMediaContext context, string filePath, string storageAccountName, AssetCreationOptions options, Action <IAssetFile, UploadProgressChangedEventArgs> uploadProgressChangedCallback, CancellationToken cancellationToken)
{
if (context == null)
{
throw new ArgumentNullException("context", "The context cannot be null.");
}
string assetName = Path.GetFileName(filePath);
if (string.IsNullOrWhiteSpace(storageAccountName))
{
storageAccountName = context.DefaultStorageAccount.Name;
}
IAsset asset = await context.Assets.CreateAsync(assetName, storageAccountName, options, cancellationToken);
ILocator sasLocator = await context.CreateLocatorAsync(asset, LocatorType.Sas, AccessPermissions.Write | AccessPermissions.List, DefaultAccessPolicyDuration);
EventHandler <UploadProgressChangedEventArgs> uploadProgressChangedHandler =
(s, e) =>
{
IAssetFile assetFile = (IAssetFile)s;
UploadProgressChangedEventArgs eventArgs = e;
if (uploadProgressChangedCallback != null)
{
uploadProgressChangedCallback(assetFile, eventArgs);
}
};
await context.CreateAssetFileFromLocalFileAsync(asset, filePath, sasLocator, uploadProgressChangedHandler, cancellationToken);
await sasLocator.DeleteAsync();
return(asset);
}
