/// <summary>
/// Checks if a file or directory exists.
/// </summary>
/// <param name="documentLibraryClient">The IDocumentLibraryClient instance.</param>
/// <param name="libraryId">The library ID.</param>
/// <param name="path">The path to the file or directory.</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 exists response or an error.</returns>
public static async Task <Result <ExistsResponse> > ExistsResultAsync(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.ExistsHttpResponseAsync(libraryId, path, tenantId, cancellationToken).ConfigureAwait(false);
using (response)
{
switch (response.StatusCode)
{
case HttpStatusCode.OK:
return(Result.Create(await response.DeserializeJsonContentAsync <ExistsResponse>().ConfigureAwait(false)));
case HttpStatusCode.NoContent:
return(default);
case HttpStatusCode.BadRequest:
case HttpStatusCode.InternalServerError:
{
ErrorResponse errorResponse = await response.DeserializeJsonContentAsync <ErrorResponse>().ConfigureAwait(false);
return(errorResponse.Error.ToResult <ExistsResponse>());
}
default:
{
UnexpectedStatusCodeError error = await UnexpectedStatusCodeError.CreateAsync(response, $"{nameof(IDocumentLibraryClient)}.{nameof(ExistsResultAsync)}").ConfigureAwait(false);
return(error.ToResult <ExistsResponse>());
}
}
}
}