Fix update of translations for content created before package install…

…ation

CHANGES.rst

@@ -4,7 +4,9 @@ Changelog
 1.0b2 (unreleased)
 ^^^^^^^^^^^^^^^^^^
 
-- Nothing changed yet.
+- An error message was shown while updating content created before the installation of this package;
+  now, before updating, we check if the translation exists; if not, we create a new one.
+  [hvelarde]
 
 
 1.0b1 (2016-09-07)

src/brasil/gov/vlibrasnews/subscribers.py

@@ -137,8 +137,14 @@ def update_content_handler(context, event):
 
     vlibrasnews = VLibrasNews(token=token)
     payload = get_content(context)
-    logger.debug('Updating LIBRAS translation for ' + context.absolute_url())
-    vlibrasnews.update(context.UID(), payload)
+    if vlibrasnews.get(context.UID()):
+        # if the translation exists, update it
+        logger.debug('Updating LIBRAS translation for ' + context.absolute_url())
+        vlibrasnews.update(context.UID(), payload)
+    else:
+        # otherwise, create it
+        logger.debug('Creating translation for ' + context.absolute_url())
+        vlibrasnews.create(context.UID(), payload)
 
     return True