5.4 enabled caching in dev environment

config/environments/development.rb

@@ -23,14 +23,14 @@ Rails.application.configure do
     config.action_controller.perform_caching = true
     config.action_controller.enable_fragment_cache_logging = true
 
-    config.cache_store = :memory_store
+    config.cache_store = :file_store, "tmp/cache_store"
     config.public_file_server.headers = {
       "Cache-Control" => "public, max-age=#{2.days.to_i}"
     }
   else
     config.action_controller.perform_caching = false
 
-    config.cache_store = :null_store
+    config.cache_store = :file_store, "tmp/cache_store"
   end
 
   # Store uploaded files on the local file system (see config/storage.yml for options).

config/environments/test.rb

@@ -25,7 +25,7 @@ Rails.application.configure do
   # Show full error reports and disable caching.
   config.consider_all_requests_local       = true
   config.action_controller.perform_caching = false
-  config.cache_store = :null_store
+  config.cache_store = :memory_store
 
   # Raise exceptions instead of rendering exception templates.
   config.action_dispatch.show_exceptions = false

lib/beermapping_api.rb

@@ -1,10 +1,14 @@
 class BeermappingApi
   def self.places_in(city)
+    city = city.downcase
+    Rails.cache.fetch(city, expires_in: 1.week) { get_places_in city }
+  end
+
+  def self.get_places_in(city)
     url = "http://beermapping.com/webservice/loccity/#{key}/"
     response = HTTParty.get "#{url}#{ERB::Util.url_encode(city)}"
 
     places = response.parsed_response["bmp_locations"]["location"]
-
     return [] if places.is_a?(Hash) && places["id"].nil?
 
     places = [places] if places.is_a?(Hash)