Add rake task to send content-item to publishing-api

This rake task will be run on every deploy (this is configured
in the private alphagov-deployment repo). It will send the
smart-answers to the content-store via the publishing-api.

app/services/content_item_publisher.rb

@@ -0,0 +1,8 @@
+class ContentItemPublisher
+  def publish(flow_presenters)
+    flow_presenters.each do |smart_answer|
+      content_item = FlowContentItem.new(smart_answer)
+      Services.publishing_api.put_content_item(content_item.base_path, content_item.payload)
+    end
+  end
+end

lib/services.rb

@@ -0,0 +1,7 @@
+require 'gds_api/publishing_api'
+
+module Services
+  def self.publishing_api
+    @publishing_api ||= GdsApi::PublishingApi.new(Plek.new.find('publishing-api'))
+  end
+end

lib/tasks/publishing_api.rake

@@ -0,0 +1,7 @@
+namespace :publishing_api do
+  desc "Publish smart answers to the content-store"
+  task :publish => [:environment] do
+    flow_presenters = RegisterableSmartAnswers.new.flow_presenters
+    ContentItemPublisher.new.publish(flow_presenters)
+  end
+end

test/unit/services/content_item_publisher_test.rb

@@ -0,0 +1,12 @@
+require 'test_helper'
+
+class ContentItemPublisherTest < ActiveSupport::TestCase
+  def test_sending_item_to_content_store
+    request = stub_request(:put, "http://publishing-api.dev.gov.uk/content/a-flow-name")
+    presenter = FlowRegistrationPresenter.new(stub('flow', name: 'a-flow-name', content_id: '3e6f33b8-0723-4dd5-94a2-cab06f23a685'))
+
+    ContentItemPublisher.new.publish([presenter])
+
+    assert_requested request
+  end
+end