Skip to content

Instantly share code, notes, and snippets.

@maxwellcc

maxwellcc/models.py

Created February 16, 2021 16:24
Show Gist options
  • Save maxwellcc/b1e247fb006619a8a2a1b81303eb4f90 to your computer and use it in GitHub Desktop.
Save maxwellcc/b1e247fb006619a8a2a1b81303eb4f90 to your computer and use it in GitHub Desktop.
Download ZIP
Como criar um modelo Django que herde de classe pai como proxy, com restrições na consulta
Raw
models.py
class Person(models.Model):
first_name = models.CharField(max_length=30)
last_name = models.CharField(max_length=30)
age = models.PositiveIntegerField()
def __str__(self):
return self.first_name
class Majority(models.Manager):
def get_queryset(self):
return super(Majority, self).get_queryset().filter(age__gte=18)
class MajorityPerson(Person):
class Meta:
proxy = True
objects = Majority()
def __str__(self):
return f'{self.first_name} {self.last_name}'
def clean(self):
if self.age < 18:
raise ValidationError('It cannot be under 18 years.')
@maxwellcc
Copy link
Author

Aqui a classe MajorityPerson herda os campos de Person, porém, só exibe e salva pessoas maiores de 18 anos.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment