Merge remote-tracking branch 'upstream/pull/2838'

[rails.git] / app / models / changeset.rb

diff --git a/app/models/changeset.rb b/app/models/changeset.rb
index 47f03c79544111eff476896c076d2cae2b6c31fb..9db213e777c9574c488e3490123057d1c6c4601a 100644 (file)
--- a/app/models/changeset.rb
+++ b/app/models/changeset.rb
@@ -25,7 +25,7 @@
 #  changesets_user_id_fkey  (user_id => users.id)
 #
 
-class Changeset < ActiveRecord::Base
+class Changeset < ApplicationRecord
   require "xml/libxml"
 
   belongs_to :user, :counter_cache => true
@@ -83,11 +83,13 @@ class Changeset < ActiveRecord::Base
   def self.from_xml(xml, create = false)
     p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR)
     doc = p.parse
+    pt = doc.find_first("//osm/changeset")
 
-    doc.find("//osm/changeset").each do |pt|
-      return Changeset.from_xml_node(pt, create)
+    if pt
+      Changeset.from_xml_node(pt, create)
+    else
+      raise OSM::APIBadXMLError.new("changeset", xml, "XML doesn't contain an osm/changeset element.")
     end
-    raise OSM::APIBadXMLError.new("changeset", xml, "XML doesn't contain an osm/changeset element.")
   rescue LibXML::XML::Error, ArgumentError => e
     raise OSM::APIBadXMLError.new("changeset", xml, e.message)
   end