public async Task <System.Collections.ObjectModel.ObservableCollection <User> > GetUsersFromGroup(string groupId)
{
if (await EnsureLogin())
{
var userGroupService = new UserGroupService(base.AccessToken);
var userGroups = await userGroupService.GetUserGroupTableForGroup(groupId);
var allUsers = await MobileService.GetTable <User>().ToCollectionAsync();
ObservableCollection <User> groupUsers = new ObservableCollection <User>();
foreach (var userGroup in userGroups)
{
var user = allUsers.SingleOrDefault(u => u.Id == userGroup.UserId);
if (user != null)
{
groupUsers.Add(user);
}
}
return(groupUsers);
}
return(null);
}