Added version details view accessible from the roadmap.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@955 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/versions_helper.rb

@@ -16,4 +16,32 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 module VersionsHelper
+
+  STATUS_BY_CRITERIAS = %w(category tracker priority author assigned_to)
+  
+  def render_issue_status_by(version, criteria)
+    criteria ||= 'category'
+    raise 'Unknown criteria' unless STATUS_BY_CRITERIAS.include?(criteria)
+    
+    h = Hash.new {|k,v| k[v] = [0, 0]}
+    begin
+      # Total issue count
+      Issue.count(:group => criteria,
+                  :conditions => ["#{Issue.table_name}.fixed_version_id = ?", version.id]).each {|c,s| h[c][0] = s}
+      # Open issues count
+      Issue.count(:group => criteria,
+                  :include => :status,
+                  :conditions => ["#{Issue.table_name}.fixed_version_id = ? AND #{IssueStatus.table_name}.is_closed = ?", version.id, false]).each {|c,s| h[c][1] = s}
+    rescue ActiveRecord::RecordNotFound
+    # When grouping by an association, Rails throws this exception if there's no result (bug)
+    end
+    counts = h.keys.compact.sort.collect {|k| {:group => k, :total => h[k][0], :open => h[k][1], :closed => (h[k][0] - h[k][1])}}
+    max = counts.collect {|c| c[:total]}.max
+    
+    render :partial => 'issue_counts', :locals => {:version => version, :criteria => criteria, :counts => counts, :max => max}
+  end
+  
+  def status_by_options_for_select(value)
+    options_for_select(STATUS_BY_CRITERIAS.collect {|criteria| [l("field_#{criteria}".to_sym), criteria]}, value)
+  end
 end