added milestone group_by

git-svn-id: https://dev.finn.de/svn/cockpit/branches/reporting_merge@1477 7926756e-e54e-46e6-9721-ed318f58905e

app/helpers/reporting_helper.rb

@@ -70,6 +70,7 @@ module ReportingHelper
       when :tracker_id                then Tracker.find(value.to_i)
       when :week                      then "#{l(:label_week)} #%s" % value.to_i.modulo(100)
       when :priority_id               then IssuePriority.find(value.to_i).name
+      when :fixed_version_id          then Version.find(value.to_i).name
       else value.inspect
       end
     end

app/models/cost_query/group_by.rb

@@ -6,6 +6,7 @@ module CostQuery::GroupBy
       CostQuery::GroupBy::ActivityId,
       CostQuery::GroupBy::CostObjectId,
       CostQuery::GroupBy::CostTypeId,
+      CostQuery::GroupBy::FixedVersionId,
       CostQuery::GroupBy::IssueId,
       CostQuery::GroupBy::PriorityId,
       CostQuery::GroupBy::ProjectId,

app/models/cost_query/group_by/fixed_version_id.rb

@@ -0,0 +1,7 @@
+module CostQuery::GroupBy
+  class FixedVersionId < Base
+    join_table Issue
+    applies_for :label_issue_attributes
+    label :field_fixed_version
+  end
+end