"""Relationship constants."""

TRACK_LABEL = 'Track'
SOUND_RECORDING_LABEL = 'LabelSoundRecording'
PRODUCT_LABEL = 'Product'

ALLOWED_FROM_NODE_LABELS = ['LabelParticipant']
ALLOWED_TO_NODE_LABELS = [PRODUCT_LABEL, TRACK_LABEL, SOUND_RECORDING_LABEL]
ALLOWED_RELATIONSHIP_NAMES = ['PARTICIPATED_IN']
ALLOWED_RELATIONSHIP_PROPERTIES = ['participated_as']
ALLOWED_RELEASE_RELATIONSHIP_PROPERTY_VALUES = [
    'performer',
    'conductor',
    'ensemble',
    'composer',
    'orchestra',
    'featuring',
    'producer',
    'director',
    'editor',
    'videographer',
]
ALLOWED_TRACK_RELATIONSHIP_PROPERTY_VALUES = [
    'performer',
    'conductor',
    'ensemble',
    'composer',
    'orchestra',
]