class Message
  class << self; attr_accessor :cache; end
  attr_accessor :id
  attr_accessor :body

  def self.find(id)
    new(id,@cache.transaction{|c| c[id] })
  end

  def initialize(id, body)
    self.id = id
    self.body = body.squeeze(' ').strip
    self.class.cache = PStore.new('message_cache.pstore')
  end

  def save
    self.class.cache.transaction{|c| c[@id] = @body }
  end

  def to_html
    @body.gsub(/\n/,"<br/>")
  end
end