/// <summary>
/// Runs a single poll to check that status of the ShortCode.
/// </summary>
/// <param name="cancellationToken">Cancellation for the operation</param>
/// <returns>The state of the shortcode</returns>
/// <exception cref="UnexpectedHttpException">If an unknown status
/// code is returned.</exception>
public async Task <ShortcodeState> PollAsync(CancellationToken cancellationToken = default(CancellationToken))
{
if (DateTimeOffset.UtcNow >= this.ExpiresAt)
{
return(ShortcodeState.Expired);
}
using (var response = await this.options.Client.GetAsync(
$"{this.options.Host}/api/v1/oauth/shortcode/check/{this.Handle}",
cancellationToken))
{
switch (response.StatusCode)
{
case HttpStatusCode.OK:
var parsed = JsonConvert.DeserializeObject <ShortcodeAuthorizedResponse>(
await response.Content.ReadAsStringAsync());
this.readCode = parsed.Code;
return(ShortcodeState.Accepted);
case HttpStatusCode.NoContent:
return(ShortcodeState.Waiting);
case HttpStatusCode.Forbidden:
return(ShortcodeState.Denied);
case HttpStatusCode.NotFound:
return(ShortcodeState.Expired);
default:
throw await HttpHelpers.CreateExceptionFromResponse(response);
}
}
}
/// <summary>
/// Throws an <see cref="UnexpectedHttpException"/> if the response
/// is not a 2xx.
/// </summary>
/// <param name="response">Response to check</param>
/// <returns>A task that is completed or faulted depending on
/// the status.</returns>
public static async Task ThrowInvalidContentsAsync(HttpResponseMessage response)
{
if ((int)response.StatusCode >= 300)
{
throw await HttpHelpers.CreateExceptionFromResponse(response);
}
}