public async Task SubscribeMonster(int monsterId)
{
var executionContext = Context.GetHttpContext().GetExecutionContext();
try
{
await _monsterService.EnsureUserCanAccessMonsterAsync(executionContext, monsterId);
}
catch (ForbiddenAccessException ex)
{
throw new HubException("Access to this resources is forbidden", ex);
}
catch (MonsterNotFoundException ex)
{
throw new HubException("Monster not found", ex);
}
catch (GroupNotFoundException ex)
{
throw new HubException("Group not found", ex);
}
await Groups.AddToGroupAsync(Context.ConnectionId, _hubGroupUtil.GetMonsterGroupName(monsterId));
}
