Show parent issues in notification email (#34302).

Patch by Yuichi HARADA.


git-svn-id: https://svn.redmine.org/redmine/trunk@22120 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/issues_helper.rb

@@ -445,7 +445,7 @@ module IssuesHelper
 
   def email_issue_attributes(issue, user, html)
     items = []
-    %w(author status priority assigned_to category fixed_version start_date due_date).each do |attribute|
+    %w(author status priority assigned_to category fixed_version start_date due_date parent_issue).each do |attribute|
       if issue.disabled_core_fields.grep(/^#{attribute}(_id)?$/).empty?
         attr_value = (issue.send attribute).to_s
         next if attr_value.blank?

app/models/issue.rb

@@ -1502,6 +1502,8 @@ class Issue < ActiveRecord::Base
     end
   end
 
+  alias :parent_issue :parent
+
   def set_parent_id
     self.parent_id = parent_issue_id
   end

test/unit/mailer_test.rb

@@ -658,7 +658,7 @@ class MailerTest < ActiveSupport::TestCase
     ActionMailer::Base.deliveries.clear
     with_settings :notified_events => %w(issue_added) do
       cf = IssueCustomField.generate!
-      issue = Issue.generate!
+      issue = Issue.generate!(:parent => Issue.find(1))
       Mailer.deliver_issue_add(issue)
 
       assert_not_equal 0, ActionMailer::Base.deliveries.size
@@ -667,6 +667,7 @@ class MailerTest < ActiveSupport::TestCase
       assert_mail_body_match /^\* Author: /, mail
       assert_mail_body_match /^\* Status: /, mail
       assert_mail_body_match /^\* Priority: /, mail
+      assert_mail_body_match /^\* Parent task: /, mail
 
       assert_mail_body_no_match /^\* Assignee: /, mail
       assert_mail_body_no_match /^\* Category: /, mail