Fixed: PDF export of a issue list grouped by a custom field raises an error (#4600).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3333 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/issues_controller.rb

@@ -40,6 +40,7 @@ class IssuesController < ApplicationController
   helper :attachments
   include AttachmentsHelper
   helper :queries
+  include QueriesHelper
   helper :sort
   include SortHelper
   include IssuesHelper

lib/redmine/export/pdf.rb

@@ -144,13 +144,15 @@ module Redmine
         # rows
         pdf.SetFontStyle('',8)
         pdf.SetFillColor(255, 255, 255)
-        group = false
+        previous_group = false
         issues.each do |issue|
-          if query.grouped? && issue.send(query.group_by) != group
-            group = issue.send(query.group_by)
+          if query.grouped? && (group = query.group_by_column.value(issue)) != previous_group
             pdf.SetFontStyle('B',9)
-            pdf.Cell(277, row_height, "#{group.blank? ? 'None' : group.to_s}", 1, 1, 'L')
+            pdf.Cell(277, row_height, 
+              (group.blank? ? 'None' : group.to_s) + " (#{@issue_count_by_group[group]})",
+              1, 1, 'L')
             pdf.SetFontStyle('',8)
+            previous_group = group
           end
           pdf.Cell(15, row_height, issue.id.to_s, 1, 0, 'L', 1)
           query.columns.each_with_index do |column, i|

test/functional/issues_controller_test.rb

@@ -236,6 +236,14 @@ class IssuesControllerTest < ActionController::TestCase
     assert_equal 'application/pdf', @response.content_type
   end
   
+  def test_index_pdf_with_query_grouped_by_list_custom_field
+    get :index, :project_id => 1, :query_id => 9, :format => 'pdf'
+    assert_response :success
+    assert_not_nil assigns(:issues)
+    assert_not_nil assigns(:issue_count_by_group)
+    assert_equal 'application/pdf', @response.content_type
+  end
+  
   def test_index_sort
     get :index, :sort => 'tracker,id:desc'
     assert_response :success