snippet.rb

  STOPWORDS = ["the","and","to","of","a","i","in","was","he","that","it","his","her","you","as","had","with","for","she","not","at","but","be","my","on","have","him","is","said","me","which","by","so","this","all","from","they","no","were","if","would","or","when","what","there","been","one","could","very","an"]

  def snippet(terms)
    text = ""

    tokens = terms.split(/ /)
    tokens.reject! {|q| STOPWORDS.include? q }
    tokens.each do |tok|
      text << self.first_message.clean_text.gsub(/\n/," ").
        scan(/(?:[a-zA-Z0-9\.'-_\$,\:]+ ?){0,5}?#{tok}[ ,\:](?:[a-zA-Z0-9\.'-_\$,\:]+ ?){0,5}?/i).join(" ... ")
    end
    text.gsub!(/(#{tokens.join("|")})/i, '<strong>\1</strong>')

    text
  end