* Updated gemfile

* Added forum post/topic unit tests
* Added forum post/topic controller tests

app/controllers/forum_topics_controller.rb

@@ -1,42 +1,53 @@
 class ForumTopicsController < ApplicationController
+  respond_to :html, :xml, :json
+  before_filter :member_only, :except => [:index, :show]
+  rescue_from User::PrivilegeError, :with => "static/access_denied"
+
   def new
     @forum_topic = ForumTopic.new
+    respond_with(@forum_topic)
   end
   
   def edit
     @forum_topic = ForumTopic.find(params[:id])
+    check_privilege(@forum_topic)
+    respond_with(@forum_topic)
   end
   
   def index
     @search = ForumTopic.search(params[:search])
     @forum_topics = @search.paginate(:page => params[:page], :order => "updated_at DESC")
+    respond_with(@forum_topics)
   end
   
   def show
     @forum_topic = ForumTopic.find(params[:id])
+    respond_with(@forum_topic)
   end
   
   def create
-    @forum_topic = ForumTopic.new(params[:forum_topic])
-    if @forum_topic.save
-      redirect_to forum_topic_path(@forum_topic)
-    else
-      render :action => "new"
-    end
+    @forum_topic = ForumTopic.create(params[:forum_topic])
+    respond_with(@forum_topic)
   end
   
   def update
     @forum_topic = ForumTopic.find(params[:id])
-    if @forum_topic.update_attributes(params[:forum_topic])
-      redirect_to forum_topic_path(@forum_topic)
-    else
-      render :action => "edit"
-    end
+    check_privilege(@forum_topic)
+    @forum_topic.update_attributes(params[:forum_topic])
+    respond_with(@forum_topic)
   end
   
   def destroy
     @forum_topic = ForumTopic.find(params[:id])
+    check_privilege(@forum_topic)
     @forum_topic.destroy
-    redirect_to forum_topics_path
-  end  
+    respond_with(@forum_topic)
+  end
+  
+  private
+    def check_privilege(forum_topic)
+      if !forum_topic.editable_by?(CurrentUser.user)
+        raise User::PrivilegeError
+      end
+    end
 end

app/models/forum_post.rb

@@ -2,11 +2,22 @@ class ForumPost < ActiveRecord::Base
   attr_accessible :body, :topic_id
   belongs_to :creator, :class_name => "User"
   belongs_to :topic, :class_name => "ForumTopic"
+  before_validation :initialize_creator, :on => :create
+  before_validation :initialize_updater
   after_save :update_topic_updated_at
-  validates_presence_of :body, :topic_id, :creator_id
-  scope :search_body, lambda {|body| where(["text_index @@ plainto_tsquery(?)", body])}
+  validates_presence_of :body, :creator_id
+  scope :body_matches, lambda {|body| where(["text_index @@ plainto_tsquery(?)", body])}
+  search_methods :body_matches
   
   def update_topic_updated_at
-    topic.touch
+    topic.update_attributes(:updater_id => CurrentUser.id)
+  end
+  
+  def initialize_creator
+    self.creator_id = CurrentUser.id
+  end
+  
+  def initialize_updater
+    self.updater_id = CurrentUser.id
   end
 end

app/models/forum_topic.rb

@@ -1,8 +1,25 @@
 class ForumTopic < ActiveRecord::Base
-  attr_accessible :title
+  attr_accessible :title, :original_post_attributes
   belongs_to :creator, :class_name => "User"
-  has_many :posts, :class_name => "ForumPost", :order => "forum_posts.id asc"
+  belongs_to :updater, :class_name => "User"
+  has_many :posts, :class_name => "ForumPost", :order => "forum_posts.id asc", :foreign_key => "topic_id"
+  has_one :original_post, :class_name => "ForumPost", :order => "forum_posts.id asc", :foreign_key => "topic_id"
+  before_validation :initialize_creator, :on => :create
+  before_validation :initialize_updater
   validates_presence_of :title, :creator_id
-  scope :search_title, lambda {|title| where(["text_index @@ plainto_tsquery(?)", title])}
-  accepts_nested_attributes_for :posts
+  scope :title_matches, lambda {|title| where(["text_index @@ plainto_tsquery(?)", title])}
+  search_methods :title_matches
+  accepts_nested_attributes_for :original_post
+    
+  def editable_by?(user)
+    creator_id == user.id || user.is_moderator?
+  end
+
+  def initialize_creator
+    self.creator_id = CurrentUser.id
+  end
+  
+  def initialize_updater
+    self.updater_id = CurrentUser.id
+  end
 end

app/views/forum_topics/_search.html.erb

@@ -0,0 +1,7 @@
+<div>
+  <%= simple_form_for @search do |f| %>
+    <%= f.input :title_matches %>
+    <%= f.input :creator_name_equals %>
+    <%= f.button :submit %>
+  <% end %>
+</div>

app/views/forum_topics/edit.html.erb

@@ -0,0 +1,12 @@
+<h1>Edit Topic</h1>
+
+<%= simple_form_for(@forum_topic) do |f| %>
+  <%= f.input :title %>
+  
+  <%= f.simple_fields_for :original_post do |pf| %>
+    <%= text_field_tag "forum_topic[original_post_attributes][topic_id]", @forum_topic.id %>
+    <%= pf.input :body %>
+  <% end %>
+  
+  <%= f.button :submit %>
+<% end %>

app/views/forum_topics/index.html.erb

@@ -0,0 +1,24 @@
+<h1>Forum</h1>
+
+<%= render "search" %>
+
+<table>
+  <thead>
+    <tr>
+      <th>Creator</th>
+      <th>Title</th>
+      <th>Updated by</th>
+      <th>Updated at</th>
+    </tr>
+  </thead>
+  <tbody>
+    <% @forum_topics.each do |topic| %>
+      <tr>
+        <td><%= topic.creator.name %></td>
+        <td><%= topic.title %></td>
+        <td><%= topic.updater.name %></td>
+        <td><%= compact_time topic.updated_at %></td>
+      </tr>
+    <% end %>
+  </tbody>
+</table>

app/views/forum_topics/new.html.erb

@@ -0,0 +1,11 @@
+<h1>New Topic</h1>
+
+<%= simple_form_for(@forum_topic) do |f| %>
+  <%= f.input :title %>
+  
+  <%= f.simple_fields_for :original_post do |pf| %>
+    <%= pf.input :body %>
+  <% end %>
+  
+  <%= f.button :submit %>
+<% end %>