Private issue notes (#1554).

Adds 2 new permissions for viewing/adding private comments to issues.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10547 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/journal.rb

@@ -37,10 +37,15 @@ class Journal < ActiveRecord::Base
                                               :conditions => "#{Journal.table_name}.journalized_type = 'Issue' AND" +
                                                              " (#{JournalDetail.table_name}.prop_key = 'status_id' OR #{Journal.table_name}.notes <> '')"}
 
-  scope :visible, lambda {|*args| {
-    :include => {:issue => :project},
-    :conditions => Issue.visible_condition(args.shift || User.current, *args)
-  }}
+  before_create :split_private_notes
+
+  scope :visible, lambda {|*args|
+    user = args.shift || User.current
+
+    includes(:issue => :project).
+      where(Issue.visible_condition(user, *args)).
+      where("(#{Journal.table_name}.private_notes = ? OR (#{Project.allowed_to_condition(user, :view_private_notes, *args)}))", false)
+  }
 
   def save(*args)
     # Do not save an empty journal
@@ -75,6 +80,7 @@ class Journal < ActiveRecord::Base
     s = 'journal'
     s << ' has-notes' unless notes.blank?
     s << ' has-details' unless details.blank?
+    s << ' private-notes' if private_notes?
     s
   end
 
@@ -85,4 +91,33 @@ class Journal < ActiveRecord::Base
   def notify=(arg)
     @notify = arg
   end
+
+  def recipients
+    notified = journalized.notified_users
+    if private_notes?
+      notified = notified.select {|user| user.allowed_to?(:view_private_notes, journalized.project)}
+    end
+    notified.map(&:mail)
+  end
+
+  private
+
+  def split_private_notes
+    if private_notes?
+      if notes.present?
+        if details.any?
+          # Split the journal (notes/changes) so we don't have half-private journals
+          journal = Journal.new(:journalized => journalized, :user => user, :notes => nil, :private_notes => false)
+          journal.details = details
+          journal.save
+          self.details = []
+          self.created_on = journal.created_on
+        end
+      else
+        # Blank notes should not be private
+        self.private_notes = false
+      end
+    end
+    true
+  end
 end