public async Task AddTopics(string roomId, IList <int> ids)
{
if (ids.Count() != 0)
{
try
{
//get topics from service
_logger.LogInformation("Fetching all Topics by ids: {}", ids);
var allTopics = _commonResource.GetTopics();
var topics = new List <TopicModel>();
foreach (var id in ids)
{
var topic = allTopics.FirstOrDefault(t => t.Id == id);
if (topic != null)
{
topics.Add(topic);
}
}
_messageService.AddTopicsToRoom(roomId, topics.Select(t => t.Id).ToList());
await Clients.Group(roomId).SendAsync("Topics", topics.Select(t => t.Name));
}
catch (Exception)
{
_logger.LogWarning("Unable to Fetch Topics");
}
}
else
{
_logger.LogInformation("No Topics Selected");
}
}