frankfurter/lib/api.rb
2017-06-14 23:01:27 +01:00

76 lines
1.1 KiB
Ruby

# frozen_string_literal: true
require 'oj'
require 'sinatra'
require 'rack/cors'
require 'quote'
use Rack::Cors do
allow do
origins '*'
resource '*', headers: :any, methods: :get
end
end
configure :development do
set :show_exceptions, :after_handler
end
configure :production do
require 'newrelic_rpm'
disable :dump_errors
end
helpers do
def quote
@quote ||= Quote.new(params)
end
def jsonp(data)
json = encode_json(data)
callback = params.delete('callback')
if callback
content_type :js
"#{callback}(#{json})"
else
content_type :json
json
end
end
def encode_json(data)
Oj.dump(data, mode: :compat)
end
end
options '*' do
200
end
get '*' do
cache_control :public, :must_revalidate, max_age: 900
pass
end
get '/' do
jsonp details: 'http://fixer.io'
end
get '/latest' do
last_modified quote.date
jsonp quote.to_h
end
get(/(?<date>\d{4}-\d{2}-\d{2})/) do
last_modified quote.date
jsonp quote.to_h
end
not_found do
halt 404, encode_json(error: 'Not found')
end
error Quote::Invalid do |ex|
halt 422, encode_json(error: ex.message)
end