add toc from file if possible

oml/item/models.py

@@ -385,6 +385,13 @@ class Item(db.Model):
                 ox.makedirs(os.path.dirname(path))
                 with open(path, 'wb') as fd:
                     fd.write(content)
+                f.info = media.metadata(path)
+                f.save()
+                edititem = False
+                for key in ('tableofcontents', ):
+                    if key not in self.meta and key in f.info:
+                        self.meta[key] = f.info[key]
+                        edititem = True
                 if u not in self.users:
                     self.add_user(u)
                 t = Transfer.get_or_create(self.id)
@@ -392,6 +399,8 @@ class Item(db.Model):
                 t.save()
                 self.added = datetime.utcnow()
                 Changelog.record(u, 'additem', self.id, f.info)
+                if edititem:
+                    Changelog.record(u, 'edititem', self.id, self.meta)
                 self.update()
                 f.move()
                 self.update_icons()