def get_allowed(group, symbol, direction):
    """
    Determine whether the trade is allowed according to the Asset Groups
    linked to the strategy.
    """
    # TODO: figure out what to do with direction

    allowed = group.allowed
    if not isinstance(allowed, dict):
        return False
    if symbol not in allowed:
        return True

    return allowed[symbol]


def check_asset_aggregation(value, trigger_above, trigger_below):
    """
    Check if the value is within the bounds of the aggregation
    """
    # If both are defined
    if trigger_above is not None and trigger_below is not None:
        if value > trigger_above and value < trigger_below:
            return True
        return False
    if trigger_below is not None:
        if value < trigger_below:
            # Value is less than lower bound, match
            return True
    if trigger_above is not None:
        if value > trigger_above:
            return True
    return False