"""Logic for track role."""

from src.constants import track_field as tf
from src.logic.ows_track import get_multiple_tracks


def _include_existing_track_role_fields(grouped_by_tuid):
    """Include all existing track role fields."""
    tuids = list(grouped_by_tuid.keys())
    all_track_data = get_multiple_tracks(tuids)
    for entry in all_track_data['items']:
        tuid = str(entry['tuid'])
        grouped_by_tuid[tuid][f'{tf.ARTISTS}_tag'] = entry[tf.ARTISTS]
    return None