create models Change and ChangeSet for editor

src/c3nav/editor/migrations/0001_initial.py

@@ -0,0 +1,55 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.2 on 2017-06-12 11:16
+from __future__ import unicode_literals
+
+import c3nav.mapdata.fields
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Change',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', models.DateTimeField(auto_now_add=True, verbose_name='created')),
+                ('content', c3nav.mapdata.fields.JSONField()),
+                ('author', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='changes', to=settings.AUTH_USER_MODEL, verbose_name='Author')),
+            ],
+            options={
+                'verbose_name': 'Change',
+                'verbose_name_plural': 'Changes',
+                'default_related_name': 'changes',
+            },
+        ),
+        migrations.CreateModel(
+            name='ChangeSet',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', models.DateTimeField(auto_now_add=True, verbose_name='created')),
+                ('proposed', models.DateTimeField(null=True, verbose_name='proposed')),
+                ('applied', models.DateTimeField(null=True, verbose_name='applied')),
+                ('applied_by', models.ForeignKey(null=True, on_delete=django.db.models.deletion.PROTECT, related_name='applied_changesets', to=settings.AUTH_USER_MODEL, verbose_name='applied by')),
+                ('author', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='changesets', to=settings.AUTH_USER_MODEL, verbose_name='Author')),
+            ],
+            options={
+                'verbose_name': 'Change Set',
+                'verbose_name_plural': 'Change Sets',
+                'default_related_name': 'changesets',
+            },
+        ),
+        migrations.AddField(
+            model_name='change',
+            name='changeset',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='changes', to='editor.ChangeSet', verbose_name='Change Set'),
+        ),
+    ]

src/c3nav/editor/models.py

@@ -0,0 +1,31 @@
+from django.conf import settings
+from django.db import models
+from django.utils.translation import ugettext_lazy as _
+
+from c3nav.mapdata.fields import JSONField
+
+
+class ChangeSet(models.Model):
+    author = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.PROTECT, verbose_name=_('Author'))
+    created = models.DateTimeField(auto_now_add=True, verbose_name=_('created'))
+    proposed = models.DateTimeField(null=True, verbose_name=_('proposed'))
+    applied = models.DateTimeField(null=True, verbose_name=_('applied'))
+    applied_by = models.ForeignKey(settings.AUTH_USER_MODEL, null=True, on_delete=models.PROTECT,
+                                   related_name='applied_changesets', verbose_name=_('applied by'))
+
+    class Meta:
+        verbose_name = _('Change Set')
+        verbose_name_plural = _('Change Sets')
+        default_related_name = 'changesets'
+
+
+class Change(models.Model):
+    changeset = models.ForeignKey(ChangeSet, on_delete=models.CASCADE, verbose_name=_('Change Set'))
+    author = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.PROTECT, verbose_name=_('Author'))
+    created = models.DateTimeField(auto_now_add=True, verbose_name=_('created'))
+    content = JSONField()
+
+    class Meta:
+        verbose_name = _('Change')
+        verbose_name_plural = _('Changes')
+        default_related_name = 'changes'