Sinatra - stock quote app - stock_app.rb file.

gistfile1.txt

require 'sinatra'
require 'sinatra/reloader'
require 'yahoofinance'

get '/' do

  @method = "post"
  @action   = "/stock"

  erb :form
end

# Responds with a form to get a new stock symbol
get '/stock/new' do

  @method = "post"
  @action   = "/stock"

  erb :form
end

# Receives 'new' stock symbol
post '/stock' do
  quote_type = YahooFinance::StandardQuote
  quote_symbols = params['stock_symbol']
  @quotes = [{'yhoo' => 109.22}]
  YahooFinance::get_quotes( quote_type, quote_symbols ) do |qt|
    @quotes.push( {
      date: qt.date,
      symbol: qt.symbol,
      close: qt.lastTrade,
      volume: qt.volume
      } )
    @quotes.shift
end
  erb :index
end