Added a hook into Project#copy so Deliverables are copied to the new project.

init.rb

@@ -6,6 +6,7 @@ require_dependency 'query_patch'
 
 # Hooks
 require_dependency 'budget_issue_hook'
+require_dependency 'budget_project_hook'
 
 RAILS_DEFAULT_LOGGER.info 'Starting Budget plugin for RedMine'
 

lib/budget_project_hook.rb

@@ -0,0 +1,26 @@
+class BudgetProjectHook  < Redmine::Hook::ViewListener
+  def model_project_copy_before_save(context = {})
+    source = context[:source_project]
+    destination = context[:destination_project]
+
+    if source.module_enabled?(:budget_module)
+      Deliverable.find(:all, :conditions => {:project_id => source.id}).each do |source_deliverable|
+        destination_deliverable = source_deliverable.class.new # STI classes
+
+        # Copy attribute except for the ones that have wrapped
+        # accessors, use read/write attribute for them
+        destination_deliverable.attributes = source_deliverable.attributes.except("project_id", "profit", "materials", "overhead")
+
+        destination_deliverable.write_attribute(:profit, source_deliverable.read_attribute(:profit))
+        destination_deliverable.write_attribute(:profit_percent, source_deliverable.read_attribute(:profit_percent))
+        destination_deliverable.write_attribute(:materials, source_deliverable.read_attribute(:materials))
+        destination_deliverable.write_attribute(:materials_percent, source_deliverable.read_attribute(:materials_percent))
+        destination_deliverable.write_attribute(:overhead, source_deliverable.read_attribute(:overhead))
+        destination_deliverable.write_attribute(:overhead_percent, source_deliverable.read_attribute(:overhead_percent))
+
+        destination_deliverable.project = destination
+        destination_deliverable.save # Need to save here because there is no relation on project to deliverable
+      end      
+    end
+  end
+end