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Size: 852 Bytes
Versions: 10
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Contents
# frozen_string_literal: true
require 'net/http'
require 'date'
# Europe Gem
module Europe
# currency
module Currency
# exchange rates
module ExchangeRates
EXCHANGE_URL = 'https://www.floatrates.com/daily/eur.json'
def self.retrieve
resp = Net::HTTP.get_response(URI.parse(EXCHANGE_URL))
resp.code.to_i == 200 ? extract_rates(resp.body) : :failed
end
def self.extract_rates(doc)
data = JSON.parse(doc)
rates = { date: Date.parse(data['usd']['date']),
rates: {} }
filter_rates(data, rates)
rescue JSON::ParserError
:failed
end
def self.filter_rates(data, rates)
data.each do |currency, object|
rates[:rates][currency.upcase.to_sym] = object['rate'].to_f
end
rates
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems