migrate examinations to generic model (and start adding mangament)

generic/migrations/0002_modality_examination_modality.py

@@ -0,0 +1,47 @@
+# Generated by Django 4.1.4 on 2023-06-19 10:51
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("generic", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.SeparateDatabaseAndState(
+            state_operations=[
+                migrations.CreateModel(
+                    name="Modality",
+                    fields=[
+                        (
+                            "id",
+                            models.AutoField(
+                                auto_created=True,
+                                primary_key=True,
+                                serialize=False,
+                                verbose_name="ID",
+                            ),
+                        ),
+                        ("modality", models.CharField(max_length=200)),
+                    ],
+                ),
+            ],
+            database_operations=[],
+        ),
+        migrations.SeparateDatabaseAndState(
+            state_operations=[
+                migrations.AddField(
+                    model_name="examination",
+                    name="modality",
+                    field=models.ForeignKey(
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        to="generic.modality",
+                    ),
+                ),
+            ],
+            database_operations=[],
+        ),
+    ]

generic/migrations/0003_remove_examination_modality.py

@@ -0,0 +1,21 @@
+# Generated by Django 4.1.4 on 2023-06-19 11:13
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("generic", "0002_modality_examination_modality"),
+    ]
+
+    operations = [
+        migrations.SeparateDatabaseAndState(
+            state_operations=[
+                migrations.RemoveField(
+                    model_name="examination",
+                    name="modality",
+                ),
+            ],
+            database_operations=[],
+        ),
+    ]

generic/migrations/0004_examination_modality.py

@@ -0,0 +1,19 @@
+# Generated by Django 4.1.4 on 2023-06-19 11:13
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('generic', '0003_remove_examination_modality'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='examination',
+            name='modality',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='generic.modality'),
+        ),
+    ]