Move apps in main directory

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

registration/migrations/0004_volunteer_admin.py

@@ -0,0 +1,51 @@
+# Generated by Django 3.2.18 on 2023-02-19 22:13
+from django.contrib.contenttypes.models import ContentType
+from django.db import migrations, models
+from django.db.models import F
+
+
+def merge_admins(apps, schema_editor):
+    AdminRegistration = apps.get_model('registration', 'AdminRegistration')
+    VolunteerRegistration = apps.get_model('registration', 'VolunteerRegistration')
+    db_alias = schema_editor.connection.alias
+    AdminRegistration.objects.using(db_alias).update(admin=True)
+    for admin in AdminRegistration.objects.all():
+        admin.professional_activity = admin.role
+        admin.polymorphic_ctype_id = ContentType.objects.get_for_model(VolunteerRegistration).id
+        admin.save()
+
+
+def separate_admins(apps, schema_editor):
+    AdminRegistration = apps.get_model('registration', 'AdminRegistration')
+    VolunteerRegistration = apps.get_model('registration', 'VolunteerRegistration')
+    for admin in VolunteerRegistration.objects.filter(admin=True).all():
+        admin.delete()
+        AdminRegistration.objects.create(user=admin.user,
+                                         professional_activity=admin.professional_activity,
+                                         role=admin.professional_activity)
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('participation', '0003_alter_team_trigram'),
+        ('registration', '0003_alter_participantregistration_zip_code'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='volunteerregistration',
+            name='admin',
+            field=models.BooleanField(
+                default=False,
+                help_text="An administrator has all rights. Please don't give this right to all juries and volunteers.",
+                verbose_name='administrator'),
+        ),
+        migrations.RunPython(
+            merge_admins,
+            separate_admins,
+            elidable=True,
+        ),
+        migrations.DeleteModel(
+            name='AdminRegistration',
+        ),
+    ]