"""
Functions used by several modules.
"""

def remove_mongodb_id_from_result(json_data, result_type) -> list:
    """
    When retrieving results from MongoDB, the Mongo ID is included by the DB.
    This function removes this ID from the result.
    """
    purged_list = []
    for obj in json_data:
        d = dict(obj)
        print(d)
        del d['_id']
        if result_type == 'gt':
            d = d['gt_workspace']
        purged_list.append(d)
    return purged_list

def remove_key_from_dict(d: dict, tbr_key: str) -> None:
    """
    This function removes keys with the value of null from the result.
    """
    for key in list(d.keys()):
        if key == tbr_key and d[key] == None:
            del d[key]
        else:
            remove_key_from_dict(d[key], tbr_key)