Move global variables to Services module

app/models/world_location.rb

@@ -13,15 +13,15 @@ def self.reset_cache
 
   def self.all
     cache_fetch("all") do
-      $worldwide_api.world_locations.with_subsequent_pages.map do |l|
+      Services.worldwide_api.world_locations.with_subsequent_pages.map do |l|
         new(l) if l.format == "World location" and l.details and l.details.slug.present?
       end.compact
     end
   end
 
   def self.find(location_slug)
     cache_fetch("find_#{location_slug}") do
-      data = $worldwide_api.world_location(location_slug)
+      data = Services.worldwide_api.world_location(location_slug)
       self.new(data) if data
     end
   end

app/models/worldwide_organisation.rb

@@ -2,7 +2,7 @@ class WorldwideOrganisation
   extend Forwardable
 
   def self.for_location(location_slug)
-    $worldwide_api.organisations_for_world_location(location_slug).map do |org|
+    Services.worldwide_api.organisations_for_world_location(location_slug).map do |org|
       new(org)
     end
   end

lib/services.rb

@@ -1,7 +1,23 @@
 require 'gds_api/publishing_api'
+require 'gds_api/imminence'
+require 'gds_api/worldwide'
 
 module Services
   def self.publishing_api
     @publishing_api ||= GdsApi::PublishingApi.new(Plek.new.find('publishing-api'))
   end
+
+  def self.imminence_api
+    @imminence_api ||= GdsApi::Imminence.new(Plek.new.find('imminence'))
+  end
+
+  def self.worldwide_api
+    # In development, point at the public version of the API
+    # as we won't normally have whitehall running
+    if Rails.env.development?
+      @worldwide_api ||= GdsApi::Worldwide.new("https://www.gov.uk")
+    else
+      @worldwide_api ||= GdsApi::Worldwide.new(Plek.new.find('whitehall-admin'))
+    end
+  end
 end

lib/smart_answer/calculators/landlord_immigration_check_calculator.rb

@@ -18,7 +18,7 @@ class LandlordImmigrationCheckCalculator
     )
 
     def self.valid_postcode(postcode)
-      response = $imminence.areas_for_postcode(postcode)
+      response = Services.imminence_api.areas_for_postcode(postcode)
       return false unless response and response.code == 200
       areas = response.to_hash["results"]
       ! areas.find { |a| VALID_BOROUGHS.include?(a["slug"]) }.nil?

test/data/landlord-immigration-check-files.yml

@@ -18,4 +18,4 @@ lib/smart_answer_flows/landlord-immigration-check/outcomes/outcome_check_not_nee
 lib/smart_answer_flows/landlord-immigration-check/outcomes/outcome_check_not_needed_when_hostel_refuge.govspeak.erb: 6c068528a1a1c08d957d6446d03c6c7e
 lib/smart_answer_flows/landlord-immigration-check/outcomes/outcome_check_not_needed_when_mobile_home.govspeak.erb: 76921608102f56db3c0a2e7de007a989
 lib/smart_answer_flows/landlord-immigration-check/outcomes/outcome_check_not_needed_when_under_18.govspeak.erb: 31a94b4f17d48afac83ba42eab361cab
-lib/smart_answer/calculators/landlord_immigration_check_calculator.rb: bd0670bd986a0032d2a21297bc3616e5
+lib/smart_answer/calculators/landlord_immigration_check_calculator.rb: ece61292e6e20bdfb86ef479108d019b

test/unit/calculators/landlord_immigration_check_calculator_test.rb

@@ -18,7 +18,7 @@ class LandlordImmigrationCheckCalculatorTest < ActiveSupport::TestCase
       stub_request(:get, %r{\A#{Plek.new.find('imminence')}/areas/E15\.json}).
         to_return(body: { _response_info: { status: 404 }, total: 0, results: [] }.to_json)
 
-      response = $imminence.areas_for_postcode("E15")
+      response = Services.imminence_api.areas_for_postcode("E15")
 
       assert_equal 404, response["_response_info"]["status"]
       assert_equal 0, response["total"]

test/unit/world_location_test.rb

@@ -40,7 +40,7 @@ class WorldLocationTest < ActiveSupport::TestCase
       details = {"results" => [loc1, loc2, loc3, loc4]}
       response = GdsApi::ListResponse.new(stub(body: details.to_json, headers: {}), nil)
 
-      $worldwide_api.stubs(:world_locations).returns(response)
+      Services.worldwide_api.stubs(:world_locations).returns(response)
 
       results = WorldLocation.all
       assert_equal %w(location-1 location-4), results.map(&:slug)