/// <summary> /// Downloads the file contents. /// </summary> /// <param name="documentLibraryClient">The IDocumentLibraryClient instance.</param> /// <param name="libraryId">The library ID.</param> /// <param name="path">The path to the file.</param> /// <param name="tenantId">Optional. Specifies which tenant to use.</param> /// <param name="cancellationToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation.</param> /// <returns>Either the http file stream or an error.</returns> public static async Task <Result <HttpFileResponse> > DownloadContentResultAsync(this IDocumentLibraryClient documentLibraryClient, Guid libraryId, CloudPath path, Guid?tenantId = null, CancellationToken cancellationToken = default) { if (documentLibraryClient is null) { throw new ArgumentNullException(nameof(documentLibraryClient)); } HttpResponseMessage response = await documentLibraryClient.DownloadContentHttpResponseAsync(libraryId, path, tenantId, cancellationToken).ConfigureAwait(false); switch (response.StatusCode) { case HttpStatusCode.OK: { Result <HttpFileResponse> fileResponse = await HttpFileResponse.CreateAsync(response).ConfigureAwait(false); return(fileResponse); } case HttpStatusCode.NoContent: response.Dispose(); return(default); case HttpStatusCode.BadRequest: case HttpStatusCode.InternalServerError: { try { if (response.IsContentProblem()) { HttpProblem problem = await response.DeserializeJsonContentAsync <HttpProblem>().ConfigureAwait(false); return(new HttpProblemError(problem).ToResult <HttpFileResponse>()); } else { ErrorResponse errorResponse = await response.DeserializeJsonContentAsync <ErrorResponse>().ConfigureAwait(false); return(errorResponse.Error.ToResult <HttpFileResponse>()); } } finally { response.Dispose(); } } default: { UnexpectedStatusCodeError error = await UnexpectedStatusCodeError.CreateAsync(response, $"{nameof(IDocumentLibraryClient)}.{nameof(DownloadContentResultAsync)}").ConfigureAwait(false); response.Dispose(); return(error.ToResult <HttpFileResponse>()); } } }