Add migration

change model to use user as pk in order to make migration extremely smooth, no real downside to this

Author: hkatzdev

hknweb/tutoring/migrations/0004_tutor_alter_slot_tutors_and_more.py

@@ -0,0 +1,91 @@
+# Mostly Generated by Django 4.2.17, create_tutors manually created
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+def create_tutors(apps, schema_editor):
+    User = apps.get_model(settings.AUTH_USER_MODEL)
+    Tutor = apps.get_model('tutoring', 'Tutor')
+    tutoring_users = User.objects.exclude(
+        one_hour_tutoring__isnull=True,
+        two_hour_tutoring__isnull=True,
+        tutoring_slots__isnull=True
+    ).distinct().iterator()
+    Tutor.objects.bulk_create(
+        ( Tutor(user=user) for user in tutoring_users ),
+        ignore_conflicts=True
+    )
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("auth", "0012_alter_user_first_name_max_length"),
+        ("coursesemester", "0002_auto_20210202_0225"),
+        ("tutoring", "0003_auto_20221128_1703"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="Tutor",
+            fields=[
+                (
+                    "user",
+                    models.OneToOneField(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        primary_key=True,
+                        related_name="tutoring_info",
+                        serialize=False,
+                        to=settings.AUTH_USER_MODEL,
+                    ),
+                ),
+                (
+                    "completed_courses",
+                    models.ManyToManyField(
+                        blank=True,
+                        related_name="completed_tutors",
+                        to="coursesemester.course",
+                    ),
+                ),
+                (
+                    "in_progress_courses",
+                    models.ManyToManyField(
+                        blank=True,
+                        related_name="in_progress_tutors",
+                        to="coursesemester.course",
+                    ),
+                ),
+                (
+                    "preferred_courses",
+                    models.ManyToManyField(
+                        blank=True,
+                        related_name="preferred_tutors",
+                        to="coursesemester.course",
+                    ),
+                ),
+            ],
+        ),
+        migrations.RunPython(create_tutors, elidable=True),
+        migrations.AlterField(
+            model_name="slot",
+            name="tutors",
+            field=models.ManyToManyField(
+                blank=True, related_name="tutoring_slots", to="tutoring.tutor"
+            ),
+        ),
+        migrations.AlterField(
+            model_name="tutoringlogistics",
+            name="one_hour_tutors",
+            field=models.ManyToManyField(
+                blank=True, related_name="one_hour_tutoring", to="tutoring.tutor"
+            ),
+        ),
+        migrations.AlterField(
+            model_name="tutoringlogistics",
+            name="two_hour_tutors",
+            field=models.ManyToManyField(
+                blank=True, related_name="two_hour_tutoring", to="tutoring.tutor"
+            ),
+        ),
+    ]

hknweb/tutoring/models.py

@@ -15,7 +15,7 @@
 
 class Tutor(models.Model):
     user = models.OneToOneField(
-        User, on_delete=models.CASCADE, related_name="tutoring_info"
+        User, on_delete=models.CASCADE, related_name="tutoring_info", primary_key=True
     )
     completed_courses = models.ManyToManyField(
         Course, blank=True, related_name="completed_tutors"