[#4182] Relate deliverables to issues.

app/models/deliverable.rb

@@ -6,6 +6,7 @@ class Deliverable < ActiveRecord::Base
   belongs_to :manager, :class_name => 'User', :foreign_key => 'manager_id'
   has_many :labor_budgets
   has_many :overhead_budgets
+  has_many :issues
 
   accepts_nested_attributes_for :labor_budgets
   accepts_nested_attributes_for :overhead_budgets

db/migrate/006_add_deliverable_id_to_issues.rb

@@ -0,0 +1,12 @@
+class AddDeliverableIdToIssues < ActiveRecord::Migration
+  def self.up
+    # Skip adding the column if it exists from the Budget plugin
+    unless Issue.column_names.include?('deliverable_id')
+      add_column :issues, :deliverable_id, :integer
+    end
+  end
+  
+  def self.down
+    remove_column :issues, :deliverable_id
+  end
+end

test/unit/deliverable_test.rb

@@ -5,6 +5,7 @@ class DeliverableTest < ActiveSupport::TestCase
   should_belong_to :manager
   should_have_many :labor_budgets
   should_have_many :overhead_budgets
+  should_have_many :issues
 
   should_validate_presence_of :title
   should_validate_presence_of :type