Chunks: move to reside under the collection.

django_etebase/migrations/0023_collectionitemchunk_collection.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.0.3 on 2020-08-04 12:08
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('django_etebase', '0022_auto_20200804_1059'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='collectionitemchunk',
+            name='collection',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='chunks', to='django_etebase.Collection'),
+        ),
+    ]

django_etebase/migrations/0024_auto_20200804_1209.py

@@ -0,0 +1,22 @@
+# Generated by Django 3.0.3 on 2020-08-04 12:09
+
+from django.db import migrations
+
+
+def change_chunk_to_collections(apps, schema_editor):
+    CollectionItemChunk = apps.get_model('django_etebase', 'CollectionItemChunk')
+
+    for chunk in CollectionItemChunk.objects.all():
+        chunk.collection = chunk.item.collection
+        chunk.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('django_etebase', '0023_collectionitemchunk_collection'),
+    ]
+
+    operations = [
+        migrations.RunPython(change_chunk_to_collections),
+    ]

django_etebase/migrations/0025_auto_20200804_1216.py

@@ -0,0 +1,27 @@
+# Generated by Django 3.0.3 on 2020-08-04 12:16
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('django_etebase', '0024_auto_20200804_1209'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='collectionitemchunk',
+            name='collection',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='chunks', to='django_etebase.Collection'),
+        ),
+        migrations.AlterUniqueTogether(
+            name='collectionitemchunk',
+            unique_together={('collection', 'uid')},
+        ),
+        migrations.RemoveField(
+            model_name='collectionitemchunk',
+            name='item',
+        ),
+    ]