From f036f2a46f5c085505aff507f54518df8e283069 Mon Sep 17 00:00:00 2001
From: djones <dgjones@gmail.com>
Date: Tue, 21 Sep 2010 17:20:08 +1200
Subject: added publish date support. fixes bug where categories were showing
 posts that were technically supposed to be hidden from the end user

---
 app/models/blog_category.rb                        | 13 ++++++-
 app/models/blog_post.rb                            | 10 +++--
 app/views/admin/blog/posts/_form.html.erb          |  2 +
 app/views/blog/shared/_categories.html.erb         |  2 +-
 app/views/blog/shared/_post.html.erb               | 44 +++++++++++-----------
 config/locales/en.yml                              |  1 +
 .../refinery_blog/refinery_blog_generator.rb       |  1 +
 7 files changed, 47 insertions(+), 26 deletions(-)

diff --git a/app/models/blog_category.rb b/app/models/blog_category.rb
index 09d32de..c78a7a4 100644
--- a/app/models/blog_category.rb
+++ b/app/models/blog_category.rb
@@ -8,5 +8,16 @@ class BlogCategory < ActiveRecord::Base
   validates_uniqueness_of :title
 
   has_friendly_id :title, :use_slug => true
-
+  
+  # this might be able to be optimised a little more
+  def post_count
+    count = 0
+    
+    self.posts.each do |p|
+      count += 1 if p.live?
+    end
+    
+    count
+  end
+  
 end
diff --git a/app/models/blog_post.rb b/app/models/blog_post.rb
index 0470cf7..a9fe8c2 100644
--- a/app/models/blog_post.rb
+++ b/app/models/blog_post.rb
@@ -13,11 +13,15 @@ class BlogPost < ActiveRecord::Base
   default_scope :order => "created_at DESC"
 
   if Rails.version < '3.0.0'
-    named_scope :live, :conditions => {:draft => false}
+    named_scope :live, lambda { {:conditions => ["published_at < ? and draft = ?", Time.now, false]} }
   else
-    scope :live, :conditions => {:draft => false}
+    scope :live, lambda { where( "published_at < ? and draft = ?", Time.now, false) }
   end
-
+  
+  def live?
+    !draft and published_at <= Time.now
+  end
+  
   def category_ids=(ids)
     self.categories = ids.reject{|id| id.blank?}.collect {|c_id|
       BlogCategory.find(c_id.to_i) rescue nil
diff --git a/app/views/admin/blog/posts/_form.html.erb b/app/views/admin/blog/posts/_form.html.erb
index bf964e9..941dd03 100644
--- a/app/views/admin/blog/posts/_form.html.erb
+++ b/app/views/admin/blog/posts/_form.html.erb
@@ -44,6 +44,8 @@
           </li>
         <% end %>
       </ul>
+      <h3><%= t('admin.blog.posts.form.published_at') %></h3>
+      <%= f.datetime_select :published_at %>
     </div>
     <div class='hemisquare right_side'>
     </div>
diff --git a/app/views/blog/shared/_categories.html.erb b/app/views/blog/shared/_categories.html.erb
index fa26ceb..305e731 100644
--- a/app/views/blog/shared/_categories.html.erb
+++ b/app/views/blog/shared/_categories.html.erb
@@ -2,7 +2,7 @@
 <ul id='categories'>
   <% @blog_categories.each do |category| %>
     <li<%= " class='selected'" if @category.present? and @category.id == category.id %>>
-      <%= link_to "#{category.title} (#{category.posts.count})", blog_category_url(category) %>
+      <%= link_to "#{category.title} (#{category.post_count})", blog_category_url(category) %>
     </li>
   <% end %>
 </ul>
\ No newline at end of file
diff --git a/app/views/blog/shared/_post.html.erb b/app/views/blog/shared/_post.html.erb
index 26f5fbf..46fc23b 100644
--- a/app/views/blog/shared/_post.html.erb
+++ b/app/views/blog/shared/_post.html.erb
@@ -1,22 +1,24 @@
-<li>
-  <h2><%= link_to post.title, blog_post_url(post) %></h2>
-  <p class='posted_at'>
-    <%= t('blog.shared.posts.created_at', :when => post.created_at.strftime('%d %B %Y')) %>
-  </p>
-  <div clas='clearfix'>
-    <%= truncate(post.body, 
-                 :length => RefinerySetting.find_or_set(:blog_post_teaser_length, 250), 
-                 :preserve_html_tags => true) %>
-  </div>
-  <p>
-    <%= link_to t('blog.shared.posts.read_more'), blog_post_url(post) %>
+<% if post.live? %>
+  <li>
+    <h2><%= link_to post.title, blog_post_url(post) %></h2>
+    <p class='posted_at'>
+      <%= t('blog.shared.posts.created_at', :when => post.published_at.strftime('%d %B %Y')) %>
+    </p>
+    <div clas='clearfix'>
+      <%= truncate(post.body, 
+                   :length => RefinerySetting.find_or_set(:blog_post_teaser_length, 250), 
+                   :preserve_html_tags => true) %>
+    </div>
+    <p>
+      <%= link_to t('blog.shared.posts.read_more'), blog_post_url(post) %>
     
-    <span class='comment_count'>
-      <% if post.comments.any? %>
-         (<%= pluralize(post.comments.count, t('blog.shared.comments.singular')) %>)
-      <% else %>
-        (<%= t('blog.shared.comments.none') %>)
-      <% end %>
-    </span>
-  </p>
-</li>
\ No newline at end of file
+      <span class='comment_count'>
+        <% if post.comments.any? %>
+           (<%= pluralize(post.comments.count, t('blog.shared.comments.singular')) %>)
+        <% else %>
+          (<%= t('blog.shared.comments.none') %>)
+        <% end %>
+      </span>
+    </p>
+  </li>
+<% end %>
\ No newline at end of file
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 5b5749c..f4a6659 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -37,6 +37,7 @@ en:
           advanced_options: Advanced Options
           toggle_advanced_options: Click to access meta tag settings and menu options
           save_as_draft: Save as Draft
+          published_at: Publish Date
         index:
           no_items_yet: 'There are no Blog Posts yet. Click "{{create}}" to add your first blog post.'
         post:
diff --git a/generators/refinery_blog/refinery_blog_generator.rb b/generators/refinery_blog/refinery_blog_generator.rb
index 0748bf9..36fce61 100644
--- a/generators/refinery_blog/refinery_blog_generator.rb
+++ b/generators/refinery_blog/refinery_blog_generator.rb
@@ -38,6 +38,7 @@ class RefineryBlogGenerator < Rails::Generator::NamedBase
               Rails::Generator::GeneratedAttribute.new('title', 'string'),
               Rails::Generator::GeneratedAttribute.new('body', 'text'),
               Rails::Generator::GeneratedAttribute.new('draft', 'boolean')
+              Rails::Generator::GeneratedAttribute.new('published_at', 'datetime')
             ], :id => true
           },{
             :table_name => 'blog_comments',
-- 
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