public static Task LeaveGroup(
[HttpTrigger(AuthorizationLevel.Anonymous, "post")] LeaveGroupMessage leaveGroupMessage,
[SignalR(HubName = "chat")] IAsyncCollector <SignalRGroupAction> signalRGroupActions, ILogger log)
{
return(signalRGroupActions.AddAsync(
new SignalRGroupAction
{
UserId = leaveGroupMessage.userId,
GroupName = leaveGroupMessage.groupId,
Action = GroupAction.Remove
}));
}
public override Task RemoveFromGroupAsync(string connectionId, string groupName, CancellationToken cancellationToken = default)
{
if (IsInvalidArgument(connectionId) || IsInvalidArgument(groupName))
{
return(Task.CompletedTask);
}
var message = new LeaveGroupMessage(connectionId, groupName);
// Send this message from a fixed service connection, so that message order can be reserved.
return(_serviceConnectionManager.WriteAsync(groupName, message));
}
public override Task RemoveFromGroupAsync(string connectionId, string groupName, CancellationToken cancellationToken = default)
{
if (IsInvalidArgument(connectionId))
{
throw new ArgumentException(NullOrEmptyStringErrorMessage, nameof(connectionId));
}
if (IsInvalidArgument(groupName))
{
throw new ArgumentException(NullOrEmptyStringErrorMessage, nameof(groupName));
}
var message = new LeaveGroupMessage(connectionId, groupName);
// Send this message from a fixed service connection, so that message order can be reserved.
return(ServiceConnectionContainer.WriteAsync(groupName, message));
}
private bool LeaveGroupMessagesEqual(LeaveGroupMessage x, LeaveGroupMessage y)
{
return(StringEqual(x.ConnectionId, y.ConnectionId) && StringEqual(x.GroupName, y.GroupName));
}
