/// <summary> Gets a list of messages from a thread asynchronously. </summary>
/// <param name="startTime"> The earliest point in time to get messages up to. The timestamp should be in ISO8601 format: `yyyy-MM-ddTHH:mm:ssZ`. </param>
/// <param name="cancellationToken"> The cancellation token to use. </param>
/// <exception cref="RequestFailedException">The server returned an error. See <see cref="Exception.Message"/> for details returned from the server.</exception>
public virtual AsyncPageable <ChatMessage> GetMessagesAsync(DateTimeOffset?startTime = null, CancellationToken cancellationToken = default)
{
async Task <Page <ChatMessage> > FirstPageFunc(int?pageSizeHint)
{
using DiagnosticScope scope = _clientDiagnostics.CreateScope($"{nameof(ChatThreadClient)}.{nameof(GetMessages)}");
scope.Start();
try
{
Response <ChatMessagesCollection> response = await _chatThreadRestClient.ListChatMessagesAsync(Id, pageSizeHint, startTime, cancellationToken).ConfigureAwait(false);
return(Page.FromValues(response.Value.Value.Select(x => new ChatMessage(x)), response.Value.NextLink, response.GetRawResponse()));
}
catch (Exception e)
{
scope.Failed(e);
throw;
}
}
async Task <Page <ChatMessage> > NextPageFunc(string nextLink, int?pageSizeHint)
{
using DiagnosticScope scope = _clientDiagnostics.CreateScope($"{nameof(ChatThreadClient)}.{nameof(GetMessages)}");
scope.Start();
try
{
Response <ChatMessagesCollection> response = await _chatThreadRestClient.ListChatMessagesNextPageAsync(nextLink, Id, pageSizeHint, startTime, cancellationToken).ConfigureAwait(false);
return(Page.FromValues(response.Value.Value.Select(x => new ChatMessage(x)), response.Value.NextLink, response.GetRawResponse()));
}
catch (Exception e)
{
scope.Failed(e);
throw;
}
}
return(PageableHelpers.CreateAsyncEnumerable(FirstPageFunc, NextPageFunc));
}