Things you may want to cover:
Ruby 2.0 Rails 4.0.4 style: jquery-ui
Installation
1.) execute: cd ..golazzos(or app name) 2.) edit config/database.yml and Gemfile if you want to change database configuration or another configuration 3.) execute: bundle install 4.) execute: rake db:migrate
Instructions
1.) execute: rails s 2.) go to the browser: 0.0.0.0:3000/ 3.) upload the file and click in create transaction
Controllers: Transaction Controller: (read the file and create a new instance of transaction Model into a bucle)
Models: Transaction Model (defines the relationship and call the constructor of the other model if is necessary) purchase Model merchant Model
Views: new (form to upload the file and list of transactions) index (list of transaction and total of purchase)
rake doc:app.