models.py

import uuid

from django.core.validators import MinValueValidator
from django.db import models


class Page(models.Model):
    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
    is_active = models.BooleanField(default=False)
    css = models.TextField(null=True, blank=True, default=None)
    title = models.CharField(max_length=256)
    subtitle = models.CharField(max_length=512)
    # history = HistoricalRecords()

    def __str__(self):
        return str(self.title)


class Sitemap(models.Model):
    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
    parent_sitemap = models.ForeignKey(
        "self", null=True, blank=True, default=None, on_delete=models.SET_NULL, related_name="children"
    )
    name = models.CharField(max_length=256)
    order = models.IntegerField(default=0, validators=[MinValueValidator(0)])
    page = models.ForeignKey(Page, on_delete=models.PROTECT)
    display_start_at = models.DateTimeField(null=True, blank=True)
    display_end_at = models.DateTimeField(null=True, blank=True)
    # history = HistoricalRecords()

    def __str__(self):
        return str(self.name)


class Section(models.Model):
    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
    page = models.ForeignKey(Page, on_delete=models.CASCADE)
    order = models.IntegerField(default=0)
    css = models.TextField(null=True, blank=True, default=None)
    body = models.TextField(help_text="Content of the page, Written in markdown format")
    # history = HistoricalRecords()

    def __str__(self):
        return f"Section {self.order} of {self.page}"