from django.db import models


class Domain(models.Model):

	name = models.CharField(max_length = 255, unique = True)
	description = models.TextField(blank = True, default = "")

	def __str__(self) -> str:  # pragma: no cover - trivial
		return self.name


class Dataset(models.Model):

	domain = models.ForeignKey(Domain, on_delete = models.CASCADE, related_name = "datasets")
	name = models.CharField(max_length = 255)
	description = models.TextField(blank = True, default = "")
	created_at = models.DateTimeField(auto_now_add = True)
	updated_at = models.DateTimeField(auto_now = True)

	def __str__(self) -> str:  # pragma: no cover - trivial
		return f"{self.name} ({self.domain.name})"