diff -r e2e952fcaf7c -r fb0041aa74d3 server/python2/django/renkanmanager/migrations/0002_alter_models_and_populate_revisions.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/python2/django/renkanmanager/migrations/0002_alter_models_and_populate_revisions.py	Mon Jan 11 18:24:14 2016 +0100
@@ -0,0 +1,114 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+from django.conf import settings
+import uuid
+
+def populate_revision(apps, schema_editor):
+    renkans = apps.get_model('renkanmanager', 'Renkan')
+    revisions = apps.get_model('renkanmanager', 'Revision')
+    for renkan in renkans.objects.all():
+        renkan.creator = renkan.owner
+        renkan.renkan_guid = renkan.rk_id
+        if not renkan.current_revision_guid:
+            new_revision = revisions.objects.create()
+            new_revision.parent_renkan_guid = renkan.renkan_guid
+            new_revision.creator = renkan.creator
+            new_revision.last_updated_by = renkan.creator
+            new_revision.title = renkan.title
+            new_revision.content = renkan.content
+            new_revision.creation_date = renkan.creation_date
+            new_revision.modification_date = renkan.modification_date
+            new_revision.save()
+            renkan.current_revision_guid = new_revision.revision_guid
+        renkan.save()
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('renkanmanager', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Revision',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('revision_guid', models.CharField(default=uuid.uuid4, unique=True, max_length=256)),
+                ('parent_renkan_guid', models.CharField(max_length=256)),
+                ('title', models.CharField(max_length=1024, null=True)),
+                ('content', models.TextField(null=True, blank=True)),
+                ('creation_date', models.DateTimeField(auto_now_add=True)),
+                ('modification_date', models.DateTimeField(auto_now=True)),
+                ('creator', models.ForeignKey(related_name='revision_creator', blank=True, to=settings.AUTH_USER_MODEL, null=True)),
+                ('last_updated_by', models.ForeignKey(related_name='revision_last_updated_by', blank=True, to=settings.AUTH_USER_MODEL, null=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Workspace',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('workspace_guid', models.CharField(default=uuid.uuid4, unique=True, max_length=1024)),
+                ('title', models.CharField(max_length=1024, null=True)),
+                ('creation_date', models.DateTimeField(auto_now_add=True)),
+                ('creator', models.ForeignKey(related_name='workspace_creator', blank=True, to=settings.AUTH_USER_MODEL, null=True)),
+            ],
+        ),
+        migrations.AddField(
+            model_name='renkan',
+            name='creator',
+            field=models.ForeignKey(related_name='renkan_creator', blank=True, to=settings.AUTH_USER_MODEL, null=True),
+        ),
+        migrations.AddField(
+            model_name='renkan',
+            name='current_revision_guid',
+            field=models.CharField(max_length=256, null=True, blank=True),
+        ),
+        migrations.AddField(
+            model_name='renkan',
+            name='renkan_guid',
+            field=models.CharField(default=uuid.uuid4, unique=True, max_length=256),
+        ),
+        migrations.AddField(
+            model_name='renkan',
+            name='source_revision_guid',
+            field=models.CharField(max_length=256, null=True, blank=True),
+        ),
+        migrations.AddField(
+            model_name='renkan',
+            name='workspace_guid',
+            field=models.CharField(max_length=256, null=True, blank=True),
+        ),
+        migrations.AddField(
+            model_name='renkan',
+            name='state',
+            field=models.IntegerField(default=1),
+        ),
+        migrations.RunPython(populate_revision),
+        migrations.RemoveField(
+            model_name='renkan',
+            name='content',
+        ),
+        migrations.RemoveField(
+            model_name='renkan',
+            name='image',
+        ),
+        migrations.RemoveField(
+            model_name='renkan',
+            name='modification_date',
+        ),
+        migrations.RemoveField(
+            model_name='renkan',
+            name='owner',
+        ),
+        migrations.RemoveField(
+            model_name='renkan',
+            name='rk_id',
+        ),
+        migrations.RemoveField(
+            model_name='renkan',
+            name='title',
+        ),
+    ]