from django.db import models
from .workbench import PureManager

# Create your models here.


class Celestial(models.Model):
    name = models.CharField(max_length=100)
    size = models.FloatField()
    weight = models.FloatField()
    
    objects = PureManager()

class Orbit(models.Model):
    parent = models.ForeignKey(Celestial, related_name='children', on_delete=models.CASCADE)
    celestial = models.ForeignKey(Celestial, related_name='orbits', on_delete=models.CASCADE)
    distance = models.FloatField()
    
    objects = PureManager()