Log automatic rescheduling of following issues to journal (#28649).

git-svn-id: http://svn.redmine.org/redmine/trunk@17373 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/issue.rb

@@ -1298,7 +1298,7 @@ class Issue < ActiveRecord::Base
 
   # Reschedules the issue on the given date or the next working day and saves the record.
   # If the issue is a parent task, this is done by rescheduling its subtasks.
-  def reschedule_on!(date)
+  def reschedule_on!(date, journal=nil)
     return if date.nil?
     if leaf? || !dates_derived?
       if start_date.nil? || start_date != date
@@ -1306,6 +1306,9 @@ class Issue < ActiveRecord::Base
           # Issue can not be moved earlier than its soonest start date
           date = [soonest_start(true), date].compact.max
         end
+        if journal
+          init_journal(journal.user)
+        end
         reschedule_on(date)
         begin
           save
@@ -1797,7 +1800,7 @@ class Issue < ActiveRecord::Base
   def reschedule_following_issues
     if saved_change_to_start_date? || saved_change_to_due_date?
       relations_from.each do |relation|
-        relation.set_issue_to_dates
+        relation.set_issue_to_dates(@current_journal)
       end
     end
   end

app/models/issue_relation.rb

@@ -180,10 +180,10 @@ class IssueRelation < ActiveRecord::Base
     set_issue_to_dates
   end
 
-  def set_issue_to_dates
+  def set_issue_to_dates(journal=nil)
     soonest_start = self.successor_soonest_start
     if soonest_start && issue_to
-      issue_to.reschedule_on!(soonest_start)
+      issue_to.reschedule_on!(soonest_start, journal)
     end
   end
 

test/unit/issue_test.rb

@@ -2158,6 +2158,32 @@ class IssueTest < ActiveSupport::TestCase
     assert_equal Date.parse('2012-09-21'), issue2.due_date
   end
 
+  def test_rescheduling_an_issue_to_a_different_due_date_should_add_journal_to_following_issue
+    with_settings :non_working_week_days => [] do
+      issue1 = Issue.generate!(:start_date => '2012-10-15', :due_date => '2012-10-17')
+      issue2 = Issue.generate!(:start_date => '2012-10-18', :due_date => '2012-10-20')
+      IssueRelation.create!(:issue_from => issue1, :issue_to => issue2,
+                            :relation_type => IssueRelation::TYPE_PRECEDES)
+
+      assert_difference 'issue2.journals.count' do
+        issue1.reload
+        issue1.init_journal(User.find(3))
+        issue1.due_date = '2012-10-23'
+        issue1.save!
+      end
+      journal = issue2.journals.order(:id).last
+
+      start_date_detail = journal.details.find_by(:prop_key => 'start_date')
+      assert_equal '2012-10-18', start_date_detail.old_value
+      assert_equal '2012-10-24', start_date_detail.value
+
+      due_date_detail = journal.details.find_by(:prop_key => 'due_date')
+      assert_equal '2012-10-20', due_date_detail.old_value
+      assert_equal '2012-10-26', due_date_detail.value
+    end
+  end
+
+
   def test_rescheduling_reschedule_following_issue_earlier_should_consider_other_preceding_issues
     issue1 = Issue.generate!(:start_date => '2012-10-15', :due_date => '2012-10-17')
     issue2 = Issue.generate!(:start_date => '2012-10-15', :due_date => '2012-10-17')