django-channels-more-than-present/channels_presence/migrations/0001_initial.py

from django.conf import settings
from django.db import migrations, models
import django.db.models.deletion
import django.utils.timezone


class Migration(migrations.Migration):

    initial = True

    dependencies = [migrations.swappable_dependency(settings.AUTH_USER_MODEL)]

    operations = [
        migrations.CreateModel(
            name="Presence",
            fields=[
                (
                    "id",
                    models.AutoField(
                        auto_created=True,
                        primary_key=True,
                        serialize=False,
                        verbose_name="ID",
                    ),
                ),
                (
                    "channel_name",
                    models.CharField(
                        help_text="Reply channel for connection that is present",
                        max_length=255,
                    ),
                ),
                ("last_seen", models.DateTimeField(default=django.utils.timezone.now)),
            ],
        ),
        migrations.CreateModel(
            name="Room",
            fields=[
                (
                    "id",
                    models.AutoField(
                        auto_created=True,
                        primary_key=True,
                        serialize=False,
                        verbose_name="ID",
                    ),
                ),
                (
                    "channel_name",
                    models.CharField(
                        help_text="Group channel name for this room",
                        max_length=255,
                        unique=True,
                    ),
                ),
            ],
        ),
        migrations.AddField(
            model_name="presence",
            name="room",
            field=models.ForeignKey(
                on_delete=django.db.models.deletion.CASCADE, to="channels_presence.Room"
            ),
        ),
        migrations.AddField(
            model_name="presence",
            name="user",
            field=models.ForeignKey(
                null=True,
                on_delete=django.db.models.deletion.CASCADE,
                to=settings.AUTH_USER_MODEL,
            ),
        ),
        migrations.AlterUniqueTogether(
            name="presence", unique_together=set([("room", "channel_name")])
        ),
    ]