/// <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="assets">The <see cref="AssetBaseCollection"/> 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> CreateFromFileAsync(this AssetBaseCollection assets, string filePath, string storageAccountName, AssetCreationOptions options, Action <IAssetFile, UploadProgressChangedEventArgs> uploadProgressChangedCallback, CancellationToken cancellationToken)
{
if (assets == null)
{
throw new ArgumentNullException("assets", "The assets collection cannot be null.");
}
MediaContextBase context = assets.MediaContext;
string assetName = Path.GetFileName(filePath);
if (string.IsNullOrWhiteSpace(storageAccountName))
{
storageAccountName = context.DefaultStorageAccount.Name;
}
IAsset asset = await assets.CreateAsync(assetName, storageAccountName, options, cancellationToken).ConfigureAwait(false);
ILocator sasLocator = await context.Locators.CreateAsync(LocatorType.Sas, asset, AccessPermissions.Write | AccessPermissions.List, DefaultAccessPolicyDuration).ConfigureAwait(false);
EventHandler <UploadProgressChangedEventArgs> uploadProgressChangedHandler =
(s, e) =>
{
IAssetFile assetFile = (IAssetFile)s;
UploadProgressChangedEventArgs eventArgs = e;
if (uploadProgressChangedCallback != null)
{
uploadProgressChangedCallback(assetFile, eventArgs);
}
};
await asset.CreateAssetFileFromLocalFileAsync(filePath, sasLocator, uploadProgressChangedHandler, cancellationToken).ConfigureAwait(false);
await sasLocator.DeleteAsync().ConfigureAwait(false);
return(asset);
}
private void file_UploadProgressChanged(object sender, Microsoft.WindowsAzure.MediaServices.Client.UploadProgressChangedEventArgs e)
{
progressBarUpload.BeginInvoke(new Action(() => progressBarUpload.Value = (int)e.Progress), null);
}
private void MyUploadProgressChanged(object sender, UploadProgressChangedEventArgs e)
{
try
{
progressBarUpload.BeginInvoke(new Action(() => progressBarUpload.Value = (int)e.Progress), null);
}
catch
{
}
}
static void AssetFile_UploadProgressChanged(object sender, UploadProgressChangedEventArgs e)
{
// 現在のファイル・アップロード状況を出力します
Console.WriteLine("★{1}/{2} bytes の {0}% アップロード ", e.Progress, e.BytesUploaded, e.TotalBytes);
}
private static void AssertUploadedFile(string originalFolderPath, string fileName, UploadProgressChangedEventArgs uploadProgressChangedEventArgs)
{
var expected = new FileInfo(Path.Combine(originalFolderPath, fileName));
Assert.AreEqual(expected.Length, uploadProgressChangedEventArgs.BytesUploaded);
Assert.AreEqual(expected.Length, uploadProgressChangedEventArgs.TotalBytes);
Assert.AreEqual(100, uploadProgressChangedEventArgs.Progress);
}