conditional header/no amount render

cookbook/migrations/0068_auto_20200629_2127.py

@@ -0,0 +1,55 @@
+# Generated by Django 3.0.7 on 2020-06-29 19:27
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+def convert_old_specials(apps, schema_editor):
+    Ingredient = apps.get_model('cookbook', 'Ingredient')
+    Food = apps.get_model('cookbook', 'Food')
+    Unit = apps.get_model('cookbook', 'Unit')
+
+    for i in Ingredient.objects.all():
+        if i.amount == 0:
+            i.no_amount = True
+        if i.unit.name == 'Special:Header':
+            i.header = True
+            i.unit = None
+            i.food = None
+        i.save()
+
+    try:
+        Unit.objects.filter(name='Special:Header').delete()
+        Food.objects.filter(name='Header').delete()
+    except Exception:
+        pass
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('cookbook', '0067_auto_20200629_1508'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='ingredient',
+            name='header',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AddField(
+            model_name='ingredient',
+            name='no_amount',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AlterField(
+            model_name='ingredient',
+            name='food',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='cookbook.Food'),
+        ),
+        migrations.AlterField(
+            model_name='ingredient',
+            name='unit',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='cookbook.Unit'),
+        ),
+        migrations.RunPython(convert_old_specials)
+    ]

cookbook/migrations/0069_auto_20200629_2134.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.0.7 on 2020-06-29 19:34
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cookbook', '0068_auto_20200629_2127'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='ingredient',
+            old_name='header',
+            new_name='is_header',
+        ),
+    ]