public IEnumerable <GroupVm> Handle(GetAllGroupsQuery message)
{
if (!_database.IsOpen)
{
throw new DatabaseClosedException();
}
var groups = new List <GroupVm> {
_mapper.Map <GroupVm>(_database.GetGroup(message.GroupId))
};
groups.AddRange(_database.GetAllGroups(message.GroupId).Select(g => _mapper.Map <GroupVm>(g)));
return(groups);
}
