1 files changed, 39 insertions, 0 deletions
diff --git a/mediagoblin/db/migrations.py b/mediagoblin/db/migrations.py
new file mode 100644
index 00000000..d035b15b
--- /dev/null
+++ b/mediagoblin/db/migrations.py
@@ -0,0 +1,39 @@
+# GNU MediaGoblin -- federated, autonomous media hosting
+# Copyright (C) 2011 Free Software Foundation, Inc
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from mongokit import DocumentMigration
+
+from mediagoblin import globals as mediagoblin_globals
+
+
+class MediaEntryMigration(DocumentMigration):
+    def allmigration01_uploader_to_reference(self):
+        """
+        Old MediaEntry['uploader'] accidentally embedded the User instead
+        of referencing it.  Fix that!
+        """
+        # uploader is an associative array
+        self.target = {'uploader': {'$type': 3}}
+        if not self.status:
+            for doc in self.collection.find(self.target):
+                self.update = {
+                    '$set': {
+                        'uploader': doc['uploader']['_id']}}
+                self.collection.update(
+                    self.target, self.update, multi=True, safe=True)
+
+
+MIGRATE_CLASSES = ['MediaEntry']