import uuid
from django.db import models


class BaseModel(models.Model):
    id = models.UUIDField(primary_key=True, editable=False, unique=True, default=uuid.uuid4)
    name = models.CharField(max_length=30)
    is_full = models.BooleanField(default=False)


class FullModelManager(models.Manager):

    def get_queryset(self):
        return super(FullModelManager).get_queryset().filter(is_full=True)

    def create(self, **kwargs):
        kwargs.update({'is_full': True})
        return super(FullModelManager, self).create(**kwargs)


class FullModel(BaseModel):
    objects = FullModelManager()

    class Meta:
        proxy = True