Set default value for boolean Item.completed

todo/migrations/0001_initial.py

@@ -0,0 +1,78 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+import datetime
+from django.conf import settings
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('auth', '0001_initial'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Comment',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('date', models.DateTimeField(default=datetime.datetime.now)),
+                ('body', models.TextField(blank=True)),
+                ('author', models.ForeignKey(to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+            },
+            bases=(models.Model,),
+        ),
+        migrations.CreateModel(
+            name='Item',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('title', models.CharField(max_length=140)),
+                ('created_date', models.DateField(auto_now=True, auto_now_add=True)),
+                ('due_date', models.DateField(null=True, blank=True)),
+                ('completed', models.BooleanField(default=None)),
+                ('completed_date', models.DateField(null=True, blank=True)),
+                ('note', models.TextField(null=True, blank=True)),
+                ('priority', models.PositiveIntegerField(max_length=3)),
+                ('assigned_to', models.ForeignKey(related_name='todo_assigned_to', to=settings.AUTH_USER_MODEL)),
+                ('created_by', models.ForeignKey(related_name='todo_created_by', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'ordering': ['priority'],
+            },
+            bases=(models.Model,),
+        ),
+        migrations.CreateModel(
+            name='List',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('name', models.CharField(max_length=60)),
+                ('slug', models.SlugField(max_length=60, editable=False)),
+                ('group', models.ForeignKey(to='auth.Group')),
+            ],
+            options={
+                'ordering': ['name'],
+                'verbose_name_plural': 'Lists',
+            },
+            bases=(models.Model,),
+        ),
+        migrations.AlterUniqueTogether(
+            name='list',
+            unique_together=set([('group', 'slug')]),
+        ),
+        migrations.AddField(
+            model_name='item',
+            name='list',
+            field=models.ForeignKey(to='todo.List'),
+            preserve_default=True,
+        ),
+        migrations.AddField(
+            model_name='comment',
+            name='task',
+            field=models.ForeignKey(to='todo.Item'),
+            preserve_default=True,
+        ),
+    ]

todo/models.py

@@ -40,7 +40,7 @@ class Item(models.Model):
     list = models.ForeignKey(List)
     created_date = models.DateField(auto_now=True, auto_now_add=True)
     due_date = models.DateField(blank=True, null=True, )
-    completed = models.BooleanField()
+    completed = models.BooleanField(default=None)
     completed_date = models.DateField(blank=True, null=True)
     created_by = models.ForeignKey(User, related_name='todo_created_by')
     assigned_to = models.ForeignKey(User, related_name='todo_assigned_to')