adding tags to page models

git-svn-id: http://svn.barleysodas.com/barleysodas/trunk@33 0f7b21a7-9e3a-4941-bbeb-ce5c7c368fa7

app/models/page.rb

@@ -12,6 +12,7 @@
 #
 class Page < ActiveRecord::Base
   acts_as_versioned
+  acts_as_taggable
   
   belongs_to :owner, :polymorphic => true
   validates_presence_of :title

app/models/tag.rb

@@ -0,0 +1,2 @@
+class Tag < ActiveRecord::Base
+end

app/views/pages/_page.rhtml

@@ -11,7 +11,7 @@
     <%= @page.html %>
   </div>
   <ul class="meta">
-    <li>Add Tags here</li>
+    <li>Tags: <%= @page.tag_names.join(' ') -%></li>
     <li>Version: <%= @page.version -%></li>
     <% @page.owner.page_attributes.each do |x| -%>
     <li><%= x -%></li>

app/views/pages/_page_form.rhtml

@@ -1,3 +1,6 @@
 <p>
   <label for="page_redcloth">Description</label> <%= text_area 'page', 'redcloth' %>
 </p>
+<p>
+  <label for="page_tag_names">Tags</label> <%= text_field 'page', 'tag_names' %>
+</p>

db/migrate/005_tags.rb

@@ -0,0 +1,18 @@
+class Tags < ActiveRecord::Migration
+  def self.up
+    create_table :tags do |t|
+      t.column :name, :string
+    end
+    create_table :tags_pages, :id => false do |t|
+      t.column :tag_id, :integer
+      t.column :page_id, :integer
+    end
+    add_index :tags, :name
+    add_index :tags_pages, [ :tag_id, :page_id ]
+  end
+
+  def self.down
+    drop_table :tags
+    drop_table :tags_pages
+  end
+end

test/fixtures/tags.yml

@@ -0,0 +1,5 @@
+# Read about fixtures at http://ar.rubyonrails.org/classes/Fixtures.html
+one:
+  id: 1
+two:
+  id: 2

test/unit/tag_test.rb

@@ -0,0 +1,10 @@
+require File.dirname(__FILE__) + '/../test_helper'
+
+class TagTest < Test::Unit::TestCase
+  fixtures :tags
+
+  # Replace this with your real tests.
+  def test_truth
+    assert true
+  end
+end