Create migration for lesson events

aleksis/apps/chronos/migrations/0014_lessonevent.py

+# Generated by Django 4.1.8 on 2023-06-29 14:50
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("sites", "0002_alter_domain_unique"),
+        ("core", "0054_calendarevent_timezone"),
+        ("cursus", "0001_initial"),
+        ("chronos", "0013_move_room_to_core"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="LessonEvent",
+            fields=[
+                (
+                    "calendarevent_ptr",
+                    models.OneToOneField(
+                        auto_created=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        parent_link=True,
+                        primary_key=True,
+                        serialize=False,
+                        to="core.calendarevent",
+                    ),
+                ),
+                (
+                    "title",
+                    models.CharField(blank=True, max_length=255, verbose_name="Name"),
+                ),
+                (
+                    "cancelled",
+                    models.BooleanField(default=False, verbose_name="Cancelled"),
+                ),
+                ("comment", models.TextField(blank=True, verbose_name="Comment")),
+                (
+                    "course",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="cursus.course",
+                        verbose_name="Course",
+                    ),
+                ),
+                (
+                    "groups",
+                    models.ManyToManyField(
+                        blank=True,
+                        related_name="lesson_events",
+                        to="core.group",
+                        verbose_name="Groups",
+                    ),
+                ),
+                (
+                    "rooms",
+                    models.ManyToManyField(
+                        blank=True,
+                        related_name="lesson_events",
+                        to="core.room",
+                        verbose_name="Rooms",
+                    ),
+                ),
+                (
+                    "subject",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="lesson_events",
+                        to="cursus.subject",
+                        verbose_name="Subject",
+                    ),
+                ),
+                (
+                    "teachers",
+                    models.ManyToManyField(
+                        blank=True,
+                        related_name="lesson_events_as_teacher",
+                        to="core.person",
+                        verbose_name="Teachers",
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name": "Lesson Event",
+                "verbose_name_plural": "Lesson Events",
+            },
+            bases=("core.calendarevent",),
+        ),
+        migrations.CreateModel(
+            name="SupervisionEvent",
+            fields=[
+                (
+                    "lessonevent_ptr",
+                    models.OneToOneField(
+                        auto_created=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        parent_link=True,
+                        primary_key=True,
+                        serialize=False,
+                        to="chronos.lessonevent",
+                    ),
+                ),
+            ],
+            options={
+                "abstract": False,
+            },
+            bases=("chronos.lessonevent",),
+        ),
+    ]