Refactor of some code from a blog post.

directory_web_service.rb

require 'mechanize'
require 'nokogiri'
require 'sinatra'

get '/:psuid' do
  find_name params[:psuid]
end


def find_name(psuid)
  page = Mechanize.new.get('http://psu.edu/ph')
  search_result = page.form_with(:name => 'search') { |search|
    search.uid = psuid
  }.submit

  word = Nokogiri::HTML(search_result.content).css('html body form table tr td b')[0].text
  word[21,word.length].split(" ").map {
    |n| n.downcase.capitalize
  }.join(" ")
rescue
  "There was an error trying to fetch ID: '#{psuid}'"
end