Fx-you-might-like

Given the state the money markets of late, I can't guarantee you will experience positive feelings from the results returned from this exchange query tool. But here it none-the-less.

To use

With ruby installed run

bundle install

To import rates:

rake import_rates

To start server:

rails s

Architecture

Given the cyclic nature of application architecture trends, the simple monolith is probably due a renaissance soon. With that in mind, this app is ahead of the curve, architected as a simple rails monolith. Reusable Fx library functions are located in the /lib folder and they work by querying a store object. In this case, an ActiveRecord model takes the store role. Controllers and views follow the Rails Way™.

Things I would do with more time

Utilise rails models to make form handling more idiomatic - use the form_for helpers Luke.

Collaborator tests: the tests for the Fx lib are unit tested but the touch points are untested so apis could drift and tests would not pick up that.

Handling errors better - no attempt was made to handle network errors or parsing errors properly.

Fx::ExchangeRate should capture the ActiveRecord::RecordNotFound exception and raise an exception of it's own to complete the API. Or return a NoRate object for null object pattern goodness.

A nicer UI