[ckan#3457]Create new resource view if resource format changed

ckan/logic/action/update.py

@@ -124,6 +124,7 @@ def resource_update(context, data_dict):
  model = context['model']
  user = context['user']
  id = _get_or_bust(data_dict, "id")
+ old_resource = _get_action('resource_show')(context, {'id': id})
 
  resource = model.Resource.get(id)
  context["resource"] = resource
@@ -166,6 +167,19 @@ def resource_update(context, data_dict):
 
  resource = _get_action('resource_show')(context, {'id': id})
 
+ if old_resource['format'] != resource['format']:
+ q = model.Session.query(model.ResourceView) \
+ .filter(model.ResourceView.resource_id == resource['id'])
+ resources_view_id = q.all()
+ if resources_view_id:
+ for view_id in resources_view_id:
+ _get_action(
+ 'resource_view_delete')(context, {'id': view_id.id})
+ _get_action('package_create_default_resource_views')(
+ {'model': context['model'], 'user': context['user'],
+ 'ignore_auth': True},
+ {'package': updated_pkg_dict})
+
  for plugin in plugins.PluginImplementations(plugins.IResourceController):
  plugin.after_update(context, resource)