Add backlogs filter dependency class

lib/api/v3/queries/schemas/backlogs_type_dependency_representer.rb

@@ -0,0 +1,48 @@
+#-- encoding: UTF-8
+#-- copyright
+# OpenProject is a project management system.
+# Copyright (C) 2012-2017 the OpenProject Foundation (OPF)
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2017 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See doc/COPYRIGHT.rdoc for more details.
+#++
+
+module API
+  module V3
+    module Queries
+      module Schemas
+        class BacklogsTypeDependencyRepresenter <
+          FilterDependencyRepresenter
+
+          def href_callback; end
+
+          private
+
+          def type
+            '[]String'
+          end
+        end
+      end
+    end
+  end
+end

lib/open_project/backlogs/work_package_filter.rb

@@ -70,6 +70,10 @@ module OpenProject::Backlogs
       WorkPackage.human_attribute_name(:backlogs_work_package_type)
     end
 
+    def dependency_class
+      '::API::V3::Queries::Schemas::BacklogsTypeDependencyRepresenter'
+    end
+
     private
 
     def backlogs_configured?