/// <summary>
/// Called prior to the OIDC middleware redirecting to the authentication endpoint. In the event we are signing up a tenant, we need to
/// put the "admin_consent" value for the prompt query string parameter. AAD uses this to show the admin consent flow.
/// </summary>
/// <param name="context">The <see cref="Microsoft.AspNet.Authentication.OpenIdConnect.RedirectContext"/> for this event.</param>
/// <returns>A completed <see cref="System.Threading.Tasks.Task"/></returns>
public override Task RedirectToAuthenticationEndpoint(RedirectContext context)
{
if (context.IsSigningUp())
{
context.ProtocolMessage.Prompt = "admin_consent";
}
_logger.RedirectToIdentityProvider();
return Task.FromResult(0);
}
