Rename Snapshot to Revision
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17
django_etesync/migrations/0011_auto_20200220_2037.py
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django_etesync/migrations/0011_auto_20200220_2037.py
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# Generated by Django 3.0.3 on 2020-02-20 20:37
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from django.db import migrations
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class Migration(migrations.Migration):
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dependencies = [
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('django_etesync', '0010_auto_20200220_1248'),
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]
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operations = [
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migrations.RenameModel(
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old_name='CollectionItemSnapshot',
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new_name='CollectionItemRevision',
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),
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]
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19
django_etesync/migrations/0012_auto_20200220_2038.py
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django_etesync/migrations/0012_auto_20200220_2038.py
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# Generated by Django 3.0.3 on 2020-02-20 20:38
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from django.db import migrations, models
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import django.db.models.deletion
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class Migration(migrations.Migration):
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dependencies = [
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('django_etesync', '0011_auto_20200220_2037'),
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]
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operations = [
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migrations.AlterField(
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model_name='collectionitemrevision',
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name='item',
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field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='revisions', to='django_etesync.CollectionItem'),
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),
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]
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@ -50,7 +50,7 @@ class CollectionItem(models.Model):
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@cached_property
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def content(self):
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return self.snapshots.get(current=True)
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return self.revisions.get(current=True)
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def chunk_directory_path(instance, filename):
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@ -75,10 +75,10 @@ class CollectionItemChunk(models.Model):
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return self.uid
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class CollectionItemSnapshot(models.Model):
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class CollectionItemRevision(models.Model):
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version = models.PositiveSmallIntegerField()
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encryptionKey = models.BinaryField(editable=True, blank=False, null=False)
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item = models.ForeignKey(CollectionItem, related_name='snapshots', on_delete=models.CASCADE)
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item = models.ForeignKey(CollectionItem, related_name='revisions', on_delete=models.CASCADE)
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chunks = models.ManyToManyField(CollectionItemChunk, related_name='items')
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hmac = models.CharField(max_length=50, blank=False, null=False)
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current = models.BooleanField(db_index=True, default=True)
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@ -64,7 +64,7 @@ class CollectionItemChunkSerializer(serializers.ModelSerializer):
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fields = ('uid', 'chunkFile')
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class CollectionItemSnapshotBaseSerializer(serializers.ModelSerializer):
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class CollectionItemRevisionBaseSerializer(serializers.ModelSerializer):
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encryptionKey = BinaryBase64Field()
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chunks = serializers.SlugRelatedField(
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slug_field='uid',
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@ -73,15 +73,15 @@ class CollectionItemSnapshotBaseSerializer(serializers.ModelSerializer):
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)
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class Meta:
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model = models.CollectionItemSnapshot
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model = models.CollectionItemRevision
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fields = ('version', 'encryptionKey', 'chunks', 'hmac')
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class CollectionItemSnapshotSerializer(CollectionItemSnapshotBaseSerializer):
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class CollectionItemRevisionSerializer(CollectionItemRevisionBaseSerializer):
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chunksUrls = serializers.SerializerMethodField('get_chunks_urls')
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class Meta(CollectionItemSnapshotBaseSerializer.Meta):
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fields = CollectionItemSnapshotBaseSerializer.Meta.fields + ('chunksUrls', )
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class Meta(CollectionItemRevisionBaseSerializer.Meta):
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fields = CollectionItemRevisionBaseSerializer.Meta.fields + ('chunksUrls', )
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# FIXME: currently the user is exposed in the url. We don't want that, and we can probably avoid that but still save it under the user.
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# We would probably be better off just let the user calculate the urls from the uid and a base url for the snapshot.
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@ -94,11 +94,11 @@ class CollectionItemSnapshotSerializer(CollectionItemSnapshotBaseSerializer):
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return ret
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class CollectionItemSnapshotInlineSerializer(CollectionItemSnapshotBaseSerializer):
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class CollectionItemRevisionInlineSerializer(CollectionItemRevisionBaseSerializer):
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chunksData = serializers.SerializerMethodField('get_chunks_data')
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class Meta(CollectionItemSnapshotBaseSerializer.Meta):
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fields = CollectionItemSnapshotBaseSerializer.Meta.fields + ('chunksData', )
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class Meta(CollectionItemRevisionBaseSerializer.Meta):
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fields = CollectionItemRevisionBaseSerializer.Meta.fields + ('chunksData', )
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def get_chunks_data(self, obj):
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ret = []
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@ -109,7 +109,7 @@ class CollectionItemSnapshotInlineSerializer(CollectionItemSnapshotBaseSerialize
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return ret
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class CollectionItemSerializer(serializers.ModelSerializer):
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content = CollectionItemSnapshotSerializer(read_only=True, many=False)
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content = CollectionItemRevisionSerializer(read_only=True, many=False)
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class Meta:
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model = models.CollectionItem
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@ -117,4 +117,4 @@ class CollectionItemSerializer(serializers.ModelSerializer):
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class CollectionItemInlineSerializer(CollectionItemSerializer):
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content = CollectionItemSnapshotInlineSerializer(read_only=True, many=False)
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content = CollectionItemRevisionInlineSerializer(read_only=True, many=False)
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@ -34,8 +34,8 @@ from .serializers import (
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CollectionSerializer,
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CollectionItemSerializer,
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CollectionItemInlineSerializer,
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CollectionItemSnapshotSerializer,
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CollectionItemSnapshotInlineSerializer,
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CollectionItemRevisionSerializer,
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CollectionItemRevisionInlineSerializer,
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CollectionItemChunkSerializer
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)
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@ -115,7 +115,7 @@ class CollectionItemViewSet(BaseViewSet):
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collection = self.get_collection_queryset(Collection.objects).get(uid=collection_uid)
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except Collection.DoesNotExist:
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raise Http404("Collection does not exist")
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# XXX Potentially add this for performance: .prefetch_related('snapshots__chunks')
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# XXX Potentially add this for performance: .prefetch_related('revisions__chunks')
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queryset = type(self).queryset.filter(collection__pk=collection.pk)
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return queryset
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@ -149,11 +149,11 @@ class CollectionItemViewSet(BaseViewSet):
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return Response(status=status.HTTP_405_METHOD_NOT_ALLOWED)
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@action_decorator(detail=True, methods=['GET'])
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def snapshots(self, request, collection_uid=None, uid=None):
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def revision(self, request, collection_uid=None, uid=None):
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col = get_object_or_404(Collection.objects, uid=collection_uid)
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col_it = get_object_or_404(col.items, uid=uid)
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serializer = CollectionItemSnapshotSerializer(col_it.snapshots.order_by('-id'), many=True)
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serializer = CollectionItemRevisionSerializer(col_it.revisions.order_by('-id'), many=True)
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return Response(serializer.data)
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