from django.db import models
import uuid
from . import BaseModel

class DateInterval(BaseModel):
    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=True)
    event = models.ForeignKey('Event', on_delete=models.CASCADE, related_name='date_intervals')
    court_index = models.IntegerField()
    start_date = models.DateTimeField()
    end_date = models.DateTimeField()

    # Required for sync web sockets update
    def get_owner(self):
        return self.event.creator

    # Data Access
    def get_parent_reference(self):
        return 'Event', self.event.id