app.rb

require 'sinatra'
require 'mongoid'
require 'json'
require "sinatra/reloader" if development?

Mongoid.load!("mongoid.yml")


class Price
    include Mongoid::Document
    
    field :share_id, type: Integer
    field :date, type: Time
    field :open, type: Integer
    field :close, type: Integer
    field :high, type: Integer
    field :low, type: Integer
    field :volume, type: Integer
end

class Company
    include Mongoid::Document
    
    field :code, type: String
    field :sector,    type: String
    field :share_id, type: Integer
    field :jse_code, type: Integer
end

get '/companies.json' do
    content_type :json
    all_companies = Company.all
    all_companies.to_json
end


get '/companies/:code/prices.json' do
    content_type :json
    company = Company.where(code: params[:code])[0]
    
    Price.where('share_id' => company.share_id)
          .order_by('date', :desc)
          .to_a
          .reverse
          .to_json
end

config.ru

require 'sinatra'
require './app'
run Sinatra::Application

include.rb

Dir["resources/*.rb"].each {|file| load file }

mongoid.yml

development:
  host: localhost
  database: cool_demo

production:
  host: prod_host
  port: 1000
  username: main
  password: blabla
  database: cool_demo