Closes GH-29. Blog posts act as taggable. rspec & cukes passing

app/controllers/blog/posts_controller.rb

@@ -2,6 +2,7 @@ class Blog::PostsController < BlogController
 
   before_filter :find_all_blog_posts, :except => [:archive]
   before_filter :find_blog_post, :only => [:show, :comment, :update_nav]
+  before_filter :find_tags
 
   respond_to :html, :js, :rss
 
@@ -65,6 +66,14 @@ class Blog::PostsController < BlogController
     respond_with (@blog_posts)
   end
   
+  def tagged
+    @tag_name = params[:tag_name]
+    @blog_posts = BlogPost.tagged_with(@tag_name.titleize).paginate({
+      :page => params[:page],
+      :per_page => RefinerySetting.find_or_set(:blog_posts_per_page, 10)
+    })
+  end
+
 protected
 
   def find_blog_post
@@ -84,4 +93,8 @@ protected
     })
   end
   
+  def find_tags
+    @tags = BlogPost.tag_counts_on(:tags)
+  end
+
 end

app/views/blog/posts/archive.html.erb

@@ -1,5 +1,4 @@
 <% content_for :body_content_left do %>
-  <%= @page[Page.default_parts.first.to_sym] %>
   <h1><%= t('.blog_archive_for', :date => @archive_date.strftime('%B %Y')) %></h1>
   <% if @blog_posts.any? %>
     <section id="blog_posts">
@@ -11,8 +10,8 @@
 <% end %>
 
 <% content_for :body_content_right do %>
-  <%= @page[Page.default_parts.second.to_sym] %>
   <%= render :partial => "/blog/shared/categories" %>
+  <%= render :partial => "/blog/shared/tags" %>
   <%= render :partial => "/blog/shared/rss_feed" %>
   <%= blog_archive_list %>
 <% end %>

app/views/blog/posts/index.html.erb

@@ -15,6 +15,7 @@
   <%=raw @page[Page.default_parts.second.to_sym] if Page.default_parts.many? %>
 
   <%= render :partial => "/blog/shared/categories" %>
+  <%= render :partial => "/blog/shared/tags" %>
   <%= render :partial => "/blog/shared/rss_feed" %>
   <%= blog_archive_list %>
 <% end %>

app/views/blog/posts/show.html.erb

@@ -49,6 +49,7 @@
 
 <% content_for :body_content_right do %>
   <%= render :partial => "/blog/shared/categories" %>
+  <%= render :partial => "/blog/shared/tags" %>
   <%= render :partial => "/blog/shared/posts" %>
   <%= render :partial => "/blog/shared/rss_feed" %>
   <%= blog_archive_list %>

app/views/blog/posts/tagged.html.erb

@@ -0,0 +1,22 @@
+<% content_for :body_content_title, "Posts tagged &#8220;#{@tag_name.titleize}&#8221;".html_safe -%>
+
+<% content_for :body_content_left do %>
+  <% if @blog_posts.any? %>
+    <section id="blog_posts">
+      <%= render :partial => "/blog/shared/post", :collection => @blog_posts %>
+      <%= will_paginate @blog_posts %>
+    </section>
+  <% else %>
+    <p><%= t('.no_blog_articles_yet') %></p>
+  <% end %>
+<% end %>
+
+<% content_for :body_content_right do %>
+  <%= render :partial => "/blog/shared/categories" %>
+  <%= render :partial => "/blog/shared/tags" %>
+  <%= render :partial => "/blog/shared/rss_feed" %>
+  <%= blog_archive_list %>
+<% end %>
+
+<%= render :partial => "/shared/content_page" %>
+<% content_for :stylesheets, stylesheet_link_tag('refinerycms-blog') %>

app/views/blog/shared/_post.html.erb

@@ -9,9 +9,13 @@
         <% if (categories = post.categories).any? %>
           <aside class='filed_in'>
             <%= t('filed_in', :scope => 'blog.posts.show') %>
-            <% categories.each_with_index do |category, index| %>
-              <%= link_to category.title, blog_category_url(category) -%><%= ',' if index < ((categories.length) - 1) %>
+            <%=raw categories.collect { |category| link_to category.title, blog_category_url(category) }.to_sentence %>
+          </aside>
         <% end %>
+        <% if (tags = post.tag_list).any? %>
+          <aside class='tagged'>
+            <%= t('tagged', :scope => 'blog.posts.show') %>
+            <%=raw tags.collect { |tag| link_to tag, tagged_posts_path(tag.parameterize) }.to_sentence %>
           </aside>
         <% end %>
       </details>

app/views/blog/shared/_tags.html.erb

@@ -0,0 +1,8 @@
+<% unless @tags.nil? %>
+  <h2><%= t('.title') %></h2>
+  <nav id='tags'>
+    <% tag_cloud(@tags, %w(tag1 tag2 tag3 tag4)) do |tag, css_class| %>
+      <%= link_to tag.name, tagged_posts_path(tag.name.parameterize), :class => css_class %>
+    <% end %>
+  </nav>
+<% end %>

config/locales/en.yml

@@ -101,6 +101,8 @@ en:
         singular: comment
         none: no comments
       archives: Archives
+      tags:
+        title: "Tags"
     categories:
       show:
         no_posts: There are no posts here yet.
@@ -122,7 +124,10 @@ en:
           add: Make a Comment
         other: Other Blog Posts
         filed_in: Filed in
+        tagged: Tagged
         submit: Send comment
+      tagged:
+        no_blog_articles_yet: There are no blog articles posted yet. Stay tuned.
       archive:
         blog_archive_for: 'Blog Archive for %{date}'
         no_blog_articles_posted: 'There are no blog articles posted for %{date}. Stay tuned.'

config/routes.rb

@@ -6,6 +6,7 @@ Refinery::Application.routes.draw do
     match 'categories/:id', :to => 'categories#show', :as => 'blog_category'
     match ':id/comments', :to => 'posts#comment', :as => 'blog_post_blog_comments'
     get 'archive/:year(/:month)', :to => 'posts#archive', :as => 'archive_blog_posts'
+    get 'tagged/:tag_name' => 'posts#tagged', :as => 'tagged_posts'
   end
 
   scope(:path => 'refinery', :as => 'admin', :module => 'admin') do

features/support/step_definitions/tags_steps.rb

@@ -1,3 +1,11 @@
+Given /^there is a blog post titled "([^"]*)" and tagged "([^"]*)"$/ do |title, tag_name|
+  @blog_post = Factory(:post, :title => title, :tag_list => tag_name)
+end
+
+When /^I visit the tagged posts page for "([^"]*)"$/ do |tag_name|
+  visit tagged_posts_path(tag_name.parameterize)
+end
+
 Then /^the blog post should have the tags "([^"]*)"$/ do |tag_list|
   BlogPost.last.tag_list == tag_list.split(', ')
 end

features/tags.feature

@@ -2,15 +2,14 @@
 Feature: Blog Post Tags
   Blog posts can be assigned tags
   
-  Scenario: The blog post new/edit form has tag_list
+  Background:
     Given I am a logged in refinery user
   
+  Scenario: The blog post new/edit form has tag_list
     When I am on the new blog post form
     Then I should see "Tags"
     
   Scenario: The blog post new/edit form saves tag_list
-    Given I am a logged in refinery user
-
     When I am on the new blog post form
     And I fill in "Title" with "This is my blog post"
     And I fill in "Body" with "And I love it"
@@ -19,3 +18,9 @@ Feature: Blog Post Tags
 
     Then there should be 1 blog post
     And the blog post should have the tags "chicago, bikes, beers, babes"
+    
+  Scenario: The blog has a "tagged" route & view
+    Given there is a blog post titled "I love my city" and tagged "chicago"
+    When I visit the tagged posts page for "chicago"
+    Then I should see "Chicago"
+    And I should see "I love my city"