Adds a "Copied from/to" relation when copying issue(s) (#6899).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10491 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/issue.rb

@@ -1011,11 +1011,20 @@ class Issue < ActiveRecord::Base
     end
   end
 
-  # Copies subtasks from the copied issue
+  # Callback for after the creation of an issue by copy
+  # * adds a "copied to" relation with the copied issue
+  # * copies subtasks from the copied issue
   def after_create_from_copy
-    return unless copy?
+    return unless copy? && !@after_create_from_copy_handled
 
-    unless @copied_from.leaf? || @copy_options[:subtasks] == false || @subtasks_copied
+    if @copied_from.project_id == project_id || Setting.cross_project_issue_relations?
+      relation = IssueRelation.new(:issue_from => @copied_from, :issue_to => self, :relation_type => IssueRelation::TYPE_COPIED_TO)
+      unless relation.save
+        logger.error "Could not create relation while copying ##{@copied_from.id} to ##{id} due to validation errors: #{relation.errors.full_messages.join(', ')}" if logger
+      end
+    end
+
+    unless @copied_from.leaf? || @copy_options[:subtasks] == false
       @copied_from.children.each do |child|
         unless child.visible?
           # Do not copy subtasks that are not visible to avoid potential disclosure of private data
@@ -1031,8 +1040,8 @@ class Issue < ActiveRecord::Base
           logger.error "Could not copy subtask ##{child.id} while copying ##{@copied_from.id} to ##{id} due to validation errors: #{copy.errors.full_messages.join(', ')}" if logger
         end
       end
-      @subtasks_copied = true
     end
+    @after_create_from_copy_handled = true
   end
 
   def update_nested_set_attributes

app/models/issue_relation.rb

@@ -26,6 +26,8 @@ class IssueRelation < ActiveRecord::Base
   TYPE_BLOCKED      = "blocked"
   TYPE_PRECEDES     = "precedes"
   TYPE_FOLLOWS      = "follows"
+  TYPE_COPIED_TO    = "copied_to"
+  TYPE_COPIED_FROM  = "copied_from"
 
   TYPES = { TYPE_RELATES =>     { :name => :label_relates_to, :sym_name => :label_relates_to, :order => 1, :sym => TYPE_RELATES },
             TYPE_DUPLICATES =>  { :name => :label_duplicates, :sym_name => :label_duplicated_by, :order => 2, :sym => TYPE_DUPLICATED },
@@ -33,7 +35,9 @@ class IssueRelation < ActiveRecord::Base
             TYPE_BLOCKS =>      { :name => :label_blocks, :sym_name => :label_blocked_by, :order => 4, :sym => TYPE_BLOCKED },
             TYPE_BLOCKED =>     { :name => :label_blocked_by, :sym_name => :label_blocks, :order => 5, :sym => TYPE_BLOCKS, :reverse => TYPE_BLOCKS },
             TYPE_PRECEDES =>    { :name => :label_precedes, :sym_name => :label_follows, :order => 6, :sym => TYPE_FOLLOWS },
-            TYPE_FOLLOWS =>     { :name => :label_follows, :sym_name => :label_precedes, :order => 7, :sym => TYPE_PRECEDES, :reverse => TYPE_PRECEDES }
+            TYPE_FOLLOWS =>     { :name => :label_follows, :sym_name => :label_precedes, :order => 7, :sym => TYPE_PRECEDES, :reverse => TYPE_PRECEDES },
+            TYPE_COPIED_TO =>   { :name => :label_copied_to, :sym_name => :label_copied_from, :order => 8, :sym => TYPE_COPIED_FROM },
+            TYPE_COPIED_FROM => { :name => :label_copied_from, :sym_name => :label_copied_to, :order => 9, :sym => TYPE_COPIED_TO, :reverse => TYPE_COPIED_TO }
           }.freeze
 
   validates_presence_of :issue_from, :issue_to, :relation_type