module Refinery
  module BlogPostsHelper
    def blog_archive_widget
      posts = Refinery::BlogPost.select('published_at').all_previous
      return nil if posts.blank?

      render :partial => "/refinery/blog/widgets/blog_archive", :locals => { :posts => posts }
    end
    alias_method :blog_archive_list, :blog_archive_widget

    def next_or_previous?(post)
      post.next.present? or post.prev.present?
    end

    def blog_post_teaser_enabled?
      Refinery::BlogPost.teasers_enabled?
    end

    def blog_post_teaser(post)
      if post.respond_to?(:custom_teaser) && post.custom_teaser.present?
       post.custom_teaser.html_safe
      else
       truncate(post.body, {
         :length => Refinery::Setting.find_or_set(:blog_post_teaser_length, 250),
         :preserve_html_tags => true
        }).html_safe
      end
    end
    
    def archive_link(post)
      if post.published_at >= Time.now.end_of_year.advance(:years => -3)
        post_date = post.published_at.strftime('%m/%Y')
        year = post_date.split('/')[1]
        month = post_date.split('/')[0]
        count = BlogPost.by_archive(Time.parse(post_date)).size
        text = t("date.month_names")[month.to_i] + " #{year} (#{count})"

        link_to(text, main_app.archive_blog_posts_path(:year => year, :month => month))
      else
        post_date = post.published_at.strftime('01/%Y')
        year = post_date.split('/')[1]
        count = Refinery::BlogPost.by_year(Time.parse(post_date)).size
        text = "#{year} (#{count})"

        link_to(text, main_app.archive_blog_posts_path(:year => year))
      end
    end
  end
end