/// <summary>
/// Begins to get messages of specified member asynchronously.
/// </summary>
/// <param name="teamName">Name of the Scrum team.</param>
/// <param name="memberName">Name of the member.</param>
/// <param name="lastMessageId">ID of last message the member received.</param>
/// <param name="cancellationToken">The cancellation token to cancel operation.</param>
/// <returns>
/// List of messages.
/// </returns>
public async Task <IList <Message> > GetMessages(string teamName, string memberName, long lastMessageId, CancellationToken cancellationToken)
{
var encodedTeamName = _urlEncoder.Encode(teamName);
var encodedMemberName = _urlEncoder.Encode(memberName);
var encodedLastMessageId = _urlEncoder.Encode(lastMessageId.ToString(CultureInfo.InvariantCulture));
var uri = $"GetMessages?teamName={encodedTeamName}&memberName={encodedMemberName}&lastMessageId={encodedLastMessageId}";
var result = await GetJsonAsync <List <Message> >(uri, cancellationToken);
ScrumTeamMapper.ConvertMessages(result);
return(result);
}
/// <summary>
/// Begins to get messages of specified member asynchronously.
/// </summary>
/// <param name="teamName">Name of the Scrum team.</param>
/// <param name="memberName">Name of the member.</param>
/// <param name="lastMessageId">ID of last message the member received.</param>
/// <param name="cancellationToken">The cancellation token to cancel operation.</param>
/// <returns>
/// List of messages.
/// </returns>
public Task <IList <Message> > GetMessages(string teamName, string memberName, long lastMessageId, CancellationToken cancellationToken)
{
return(InvokeOperation(async() =>
{
await EnsureConnected(cancellationToken);
try
{
Task <IList <Message> > getMessagesTask;
lock (_getMessagesLock)
{
if (_getMessagesTask != null)
{
throw new InvalidOperationException("GetMessages is already in progress.");
}
_getMessagesTask = new TaskCompletionSource <IList <Message> >();
getMessagesTask = _getMessagesTask.Task;
}
await _hubConnection.InvokeAsync("GetMessages", teamName, memberName, lastMessageId, cancellationToken);
var result = await getMessagesTask;
ScrumTeamMapper.ConvertMessages(result);
return result;
}
finally
{
lock (_getMessagesLock)
{
_getMessagesTask?.TrySetCanceled();
_getMessagesTask = null;
}
}
}));
}
