added redcap_columns field to study model

smash/web/migrations/0140_auto_20190528_0953.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.5 on 2019-05-28 09:53
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('web', '0139_auto_20190321_1400'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='StudyRedCapColumns',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('sex', models.BooleanField(default=True, verbose_name=b'Sex')),
+                ('date_born', models.BooleanField(default=True, verbose_name=b'Date of birth')),
+                ('dead', models.BooleanField(default=True, verbose_name=b'Dead')),
+                ('mpower_id', models.BooleanField(default=True, verbose_name=b'MPower ID')),
+                ('languages', models.BooleanField(default=True, verbose_name=b'Languages')),
+            ],
+        ),
+        migrations.RunSQL('insert into web_studyredcapcolumns (sex,' +
+                          'date_born,' +
+                          'dead,' +
+                          'mpower_id,' +
+                          'languages' +
+                          ') values(true, true, true, true, true)'),
+        migrations.AddField(
+            model_name='study',
+            name='redcap_columns',
+            field=models.OneToOneField(default=True, on_delete=django.db.models.deletion.CASCADE, to='web.StudyRedCapColumns'),
+            preserve_default=False,
+        ),
+    ]

smash/web/models/study.py

 # coding=utf-8
 from django.db import models
 
-from web.models import StudyColumns, StudyNotificationParameters
+from web.models import StudyColumns, StudyNotificationParameters, StudyRedCapColumns
 from django.core.validators import MaxValueValidator, MinValueValidator
 
 import re
@@ -33,6 +33,11 @@ class Study(models.Model):
         on_delete=models.CASCADE,
     )
 
+    redcap_columns = models.OneToOneField(
+        StudyRedCapColumns,
+        on_delete=models.CASCADE,
+    )
+
     auto_create_follow_up = models.BooleanField(
         default=True,
         verbose_name="Auto create follow up visit"