refactor: move static person qs to answerset

people/migrations/0025_rename_relationship_target.py

@@ -0,0 +1,26 @@
+# Generated by Django 2.2.10 on 2020-11-27 08:49
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('people', '0024_remove_age_gender'),
+    ]
+
+    operations = [
+        migrations.RemoveConstraint(
+            model_name='relationship',
+            name='unique_relationship',
+        ),
+        migrations.RenameField(
+            model_name='relationship',
+            old_name='target',
+            new_name='target_person',
+        ),
+        migrations.AddConstraint(
+            model_name='relationship',
+            constraint=models.UniqueConstraint(fields=('source', 'target_person'), name='unique_relationship'),
+        ),
+    ]

people/migrations/0026_move_static_person_questions.py

@@ -0,0 +1,148 @@
+# Generated by Django 2.2.10 on 2020-12-02 13:31
+
+from django.core.exceptions import ObjectDoesNotExist
+from django.db import migrations, models
+import django.db.models.deletion
+import django_countries.fields
+
+
+def migrate_forward(apps, schema_editor):
+    Person = apps.get_model('people', 'Person')
+    PersonAnswerset = apps.get_model('people', 'PersonAnswerSet')
+
+    fields = {
+        'country_of_residence',
+        'disciplines',
+        'job_title',
+        'nationality',
+        'organisation',
+        'organisation_started_date',
+        'themes',
+    }
+
+    for person in Person.objects.all():
+        try:
+            answer_set = person.answer_sets.last()
+
+        except ObjectDoesNotExist:
+            answer_set = person.answer_sets.create()
+
+        for field in fields:
+            value = getattr(person, field)
+            try:
+                setattr(answer_set, field, value)
+
+            except TypeError:
+                # Cannot directly set an m2m field
+                m2m = getattr(answer_set, field)
+                m2m.set(value.all())
+
+        answer_set.save()
+
+
+def migrate_backward(apps, schema_editor):
+    Person = apps.get_model('people', 'Person')
+    PersonAnswerset = apps.get_model('people', 'PersonAnswerSet')
+
+    fields = {
+        'country_of_residence',
+        'disciplines',
+        'job_title',
+        'nationality',
+        'organisation',
+        'organisation_started_date',
+        'themes',
+    }
+
+    for person in Person.objects.all():
+        try:
+            answer_set = person.answer_sets.last()
+
+            for field in fields:
+                value = getattr(answer_set, field)
+                try:
+                    setattr(person, field, value)
+
+                except TypeError:
+                    # Cannot directly set an m2m field
+                    m2m = getattr(person, field)
+                    m2m.set(value.all())
+
+            person.save()
+
+        except ObjectDoesNotExist:
+            pass
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('people', '0025_rename_relationship_target'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='personanswerset',
+            name='country_of_residence',
+            field=django_countries.fields.CountryField(blank=True, max_length=2, null=True),
+        ),
+        migrations.AddField(
+            model_name='personanswerset',
+            name='disciplines',
+            field=models.CharField(blank=True, max_length=255, null=True),
+        ),
+        migrations.AddField(
+            model_name='personanswerset',
+            name='job_title',
+            field=models.CharField(blank=True, max_length=255),
+        ),
+        migrations.AddField(
+            model_name='personanswerset',
+            name='nationality',
+            field=django_countries.fields.CountryField(blank=True, max_length=2, null=True),
+        ),
+        migrations.AddField(
+            model_name='personanswerset',
+            name='organisation',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='members', to='people.Organisation'),
+        ),
+        migrations.AddField(
+            model_name='personanswerset',
+            name='organisation_started_date',
+            field=models.DateField(null=True, verbose_name='Date started at this organisation'),
+        ),
+        migrations.AddField(
+            model_name='personanswerset',
+            name='themes',
+            field=models.ManyToManyField(blank=True, related_name='people', to='people.Theme'),
+        ),
+        migrations.RunPython(migrate_forward, migrate_backward),
+        migrations.RemoveField(
+            model_name='person',
+            name='country_of_residence',
+        ),
+        migrations.RemoveField(
+            model_name='person',
+            name='disciplines',
+        ),
+        migrations.RemoveField(
+            model_name='person',
+            name='job_title',
+        ),
+        migrations.RemoveField(
+            model_name='person',
+            name='nationality',
+        ),
+        migrations.RemoveField(
+            model_name='person',
+            name='organisation',
+        ),
+        migrations.RemoveField(
+            model_name='person',
+            name='organisation_started_date',
+        ),
+        migrations.RemoveField(
+            model_name='person',
+            name='themes',
+        ),
+    ]