[Rails] Clean Up the code

[Srimanta Chakraborty]

1. Provide the models required
2. Each article can be related to many articles (or none).Provide code
for making @article.related_articles work
3. Clean up the code according to rails conventions

class ArticleController < ApplicationController
  def show
    @article = Article.find(params[:id])
    if current_user.roles.map {|r| r.to_s}.include?('admin')
      @info = Info.find(:first, :conditions => "article_id =
#{@article.id}")
    else
      @info = nil
    end
    if params[:show_comments] && params[:show_comments] != ''
      @comments = Comment.find(:first, :conditions => "article_id =
#{@article.id}")
    end
    if !(params[:hide_related] && params[:hide_related] != '')
      @related_articles = @article.related_articles
    end
  end
end


What will be the solution for the above issue?

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