public async Task <Response> CreateResponseAsync()
{
List <ContactDto> contactsDto = await groupsService.GetGroupContactsAsync(
request.GroupId, clientConnection.UserId.GetValueOrDefault(), request.NavigationUserId.GetValueOrDefault()).ConfigureAwait(false);
List <ContactVm> contactsVm = ContactConverter.GetContactsVm(contactsDto);
IEnumerable <IGrouping <long, UserDto> > groupedUsers = contactsDto.Select(opt => opt.ContactUser).GroupBy(opt => opt.NodeId.GetValueOrDefault());
ConcurrentBag <UserVm> resultUsers = new ConcurrentBag <UserVm>();
List <Task> getUsersTasks = new List <Task>();
foreach (var group in groupedUsers)
{
getUsersTasks.Add(Task.Run(async() =>
{
var nodeConnection = connectionsService.GetNodeConnection(group.Key);
if (group.Key != NodeSettings.Configs.Node.Id && nodeConnection != null)
{
await MetricsHelper.Instance.SetCrossNodeApiInvolvedAsync(request.RequestId).ConfigureAwait(false);
var users = await nodeRequestSender.GetUsersInfoAsync(
group.Select(opt => opt.Id).ToList(),
clientConnection.UserId,
nodeConnection).ConfigureAwait(false);
resultUsers.AddRange(users);
resultUsers.AddRange(users);
}
else
{
resultUsers.AddRange(UserConverter.GetUsersVm(group.ToList(), clientConnection.UserId));
}
}));
}
await Task.WhenAll(getUsersTasks).ConfigureAwait(false);
foreach (var contact in contactsVm)
{
contact.ContactUser = resultUsers.FirstOrDefault(opt => opt.Id == contact.ContactUserId);
}
return(new ContactsResponse(request.RequestId, contactsVm));
}
