Move to new currency data API - google's has become eractic.

Gemfile

@@ -14,7 +14,6 @@ gem 'devise'
 gem 'font-awesome-sass', '~> 4.7.0'
 gem 'geocoder'
 gem 'gocardless_pro'
-gem 'google_currency', git: 'https://github.com/RubyMoney/google_currency', branch: 'master'
 gem 'hiredis'
 gem 'httparty'
 gem 'i18n-js'
@@ -45,6 +44,7 @@ gem 'airbrake-ruby', '1.7.1'
 gem 'aws-sdk-rails'
 gem 'bootstrap-sass', '~> 3.3.5'
 gem 'browser', '~> 2.0', '>= 2.0.3'
+gem 'money-oxr'
 gem 'compass-rails' # was using git master branch before
 gem 'config'
 gem 'envyable', require: 'envyable/rails-now'

Gemfile.lock

@@ -1,11 +1,3 @@
-GIT
-  remote: https://github.com/RubyMoney/google_currency
-  revision: fa6e8ba366c0b63f8583e7ec7675f47d8ee7c410
-  branch: master
-  specs:
-    google_currency (3.3.0)
-      money (~> 6.7)
-
 GIT
   remote: https://github.com/SumOfUs/actionkit_connector
   revision: 43454681be53430f9671795bcb3a250554231acb
@@ -309,6 +301,8 @@ GEM
     minitest (5.11.3)
     money (6.9.0)
       i18n (>= 0.6.4, < 0.9)
+    money-oxr (0.3.0)
+      money (~> 6.6)
     msgpack (1.1.0)
     multi_json (1.13.1)
     multi_xml (0.6.0)
@@ -574,7 +568,6 @@ DEPENDENCIES
   friendly_id
   geocoder
   gocardless_pro
-  google_currency!
   guard-rspec
   hiredis
   httparty
@@ -588,6 +581,7 @@ DEPENDENCIES
   magic_lamp
   metamagic
   money
+  money-oxr
   newrelic_rpm
   omniauth-google-oauth2
   paper_trail

app/lib/payment_processor/currency.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'money'
-require 'money/bank/google_currency'
+require 'money_oxr/bank'
 
 module PaymentProcessor
   # = PaymentProcessor::Currency
@@ -20,12 +20,17 @@ module PaymentProcessor
   #
   #   amount = PaymentProcessor::Currency.convert(1_50, :eur)
   #   amount.format
-  #   "€1.12"
+  #   "EURO 1.12"
   #
   class Currency
     # Cache fetche conversion rates.
-    Money::Bank::GoogleCurrency.ttl_in_seconds = 86_400 # 24 hours
-    Money.default_bank = Money::Bank::GoogleCurrency.new
+    # API provided by https://openexchangerates.org
+    #
+    Money.default_bank = MoneyOXR::Bank.new(
+      app_id: Settings.oxr_app_id,
+      cache_path: 'tmp/oxr.json',
+      max_age: 86_400 # 24 hours
+    )
 
     def self.convert(amount, end_currency, start_currency = 'USD')
       Money.new(amount, start_currency).exchange_to(end_currency)

config/settings/development.yml

@@ -105,3 +105,4 @@ twilio:
 development_database: 'champaign'
 
 member_services_secret: 'hotpotato!'
+oxr_app_id: '' # get app id from https://openexchangerates.org

config/settings/production.yml

@@ -132,3 +132,4 @@ calls:
 dynamodb_mailer_table: <%= ENV['DYNAMODB_MAILER_TABLE'] %>
 
 member_services_secret: <%= ENV['MEMBER_SERVICES_SECRET'] %>
+oxr_app_id: <%= ENV['OXR_APP_ID'] %>