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@@ -2,6 +2,9 @@ class Comments < Application
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   def create
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     @comment = Comment.new(params[:comment])
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     session[:comment_error] = @comment.errors if !@comment.save
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-    redirect Article[@comment.article_id].permalink
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+    article = Article[@comment.article_id]
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+    expire_index
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+    expire_article(article)
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+    redirect article.permalink
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   end
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 end
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\ No newline at end of file

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@@ -9,6 +9,8 @@ class Comment < DataMapper::Base
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   validates_presence_of :name, :comment, :article_id
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+  belongs_to :article
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+  
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   def self.all_for_post(article_id, method = :all)
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     self.send(method, {:article_id => article_id, :order => "created_at"})
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   end

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@@ -21,6 +21,7 @@ module Admin
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       else
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         render :new
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       end
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+      expire_all_pages
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     end
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     def edit
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@@ -33,10 +34,12 @@ module Admin
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       else
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         render :edit
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       end
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+      expire_all_pages
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     end
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     def delete
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       @sidebar_group.destroy!
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+      expire_all_pages
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       redirect url(:admin_sidebar_groups)
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     end
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