Service model and service hook

app/models/service.rb

+# == Schema Information
+#
+# Table name: services
+#
+#  id         :integer          not null, primary key
+#  type       :string(255)
+#  title      :string(255)
+#  token      :string(255)
+#  project_id :integer          not null
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+
+class Service < ActiveRecord::Base
+  attr_accessible :title, :token, :type
+
+  belongs_to :project
+  has_one :service_hook
+
+  validates :project_id, presence: true
+end

app/models/service_hook.rb

+# == Schema Information
+#
+# Table name: web_hooks
+#
+#  id         :integer          not null, primary key
+#  url        :string(255)
+#  project_id :integer
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#  type       :string(255)      default("ProjectHook")
+#
+
+class ServiceHook < WebHook
+  belongs_to :service
+end

db/migrate/20121119170638_create_services.rb

+class CreateServices < ActiveRecord::Migration
+  def change
+    create_table :services do |t|
+      t.string :type
+      t.string :title
+      t.string :token
+      t.integer :project_id, null: false
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20121120051432_add_service_id_to_web_hook.rb

+class AddServiceIdToWebHook < ActiveRecord::Migration
+  def change
+    add_column :web_hooks, :service_id, :integer, null: true
+  end
+end

spec/models/service_hook_spec.rb

+# == Schema Information
+#
+# Table name: web_hooks
+#
+#  id         :integer          not null, primary key
+#  url        :string(255)
+#  project_id :integer
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#  type       :string(255)      default("ProjectHook")
+#
+
+require "spec_helper"
+
+describe ServiceHook do
+  describe "Associations" do
+    it { should belong_to :service }
+  end
+end

spec/models/service_spec.rb

+# == Schema Information
+#
+# Table name: services
+#
+#  id         :integer          not null, primary key
+#  type       :string(255)
+#  title      :string(255)
+#  token      :string(255)
+#  project_id :integer          not null
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+
+require 'spec_helper'
+
+describe Service do
+  describe "Associations" do
+    it { should belong_to :project }
+    it { should have_one :service_hook }
+  end
+
+  describe "Mass assignment" do
+    it { should_not allow_mass_assignment_of(:project_id) }
+  end
+end