Add drupal_id to determinations.

opentech/apply/determinations/migrations/0005_determination_drupal_id.py

+# Generated by Django 2.0.2 on 2018-08-29 17:14
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('determinations', '0004_change_labels'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='determination',
+            name='drupal_id',
+            field=models.IntegerField(blank=True, editable=False, null=True),
+        ),
+    ]

opentech/apply/determinations/models.py

@@ -52,6 +52,9 @@ class Determination(models.Model):
     created_at = models.DateTimeField(verbose_name=_('Creation time'), auto_now_add=True)
     updated_at = models.DateTimeField(verbose_name=_('Update time'), auto_now=True)
 
+    # Meta: used for migration purposes only
+    drupal_id = models.IntegerField(null=True, blank=True, editable=False)
+
     @property
     def stripped_message(self):
         return bleach.clean(self.message, tags=[], strip=True)