posts_helper.rb

module Merb
  module PostsHelper
    def generate_post_link(post)
      "posts/view/#{post.id}-#{post.slug}"
    end

    def generate_post_date(post)
      "Posted #{print_date(post.created_at)}"
    end

    def generate_post_small(post)
      para = paragraphs(post.content)[0...3]
      para = paragraphs(post.content)[0..4] if para.first[0] == ?$
      para.slice! -1 if para[-1] && para[-1][0] == ?!
      return para.join("\r\n\r\n")
    end

    private
    def print_date(date)
      date.strftime('%d %b %Y')
    end

    def paragraphs(content)
      @paragraphs ||= content.split(/\r?\n\r?\n/)
    end
  end
end # Merb