require 'rubygems'
require 'bio'
require 'open-uri'

require 'active_record'

class ActiveEMBL < ActiveRecord::Base

  serialize :embl_obj

  def after_create
    self.embl_obj = ActiveEMBL.fetch(self.accession)
    save
  end

  def self.get(embl_id)
    ActiveEMBL.find_or_create_by_accession(embl_id)
  end
  
  alias original_method_missing method_missing
 
  def method_missing(meth,*args)
    if read_attribute(:embl_obj).respond_to? meth
      read_attribute(:embl_obj).send meth, *args
    else
      original_method_missing meth, *args
    end
  end

  private

  def self.fetch(id)
    uri = 'http://www.ebi.ac.uk/cgi-bin/dbfetch?db=EMBL&id=' + id.downcase + '&style=raw'
    embl = Bio::EMBL.new(open(uri).read)
    return embl
  end
end