Add job to cache products JSON

app/jobs/refresh_products_cache_job.rb

@@ -0,0 +1,15 @@
+require 'open_food_network/products_renderer'
+
+RefreshProductsCacheJob = Struct.new(:distributor_id, :order_cycle_id) do
+  def perform
+    Rails.cache.write "products-json-#{distributor_id}-#{order_cycle_id}", products_json
+  end
+
+
+  private
+
+  def products_json
+    OpenFoodNetwork::ProductsRenderer.new(distributor_id, order_cycle_id).products_json
+  end
+
+end

spec/jobs/refresh_products_cache_job_spec.rb

@@ -0,0 +1,15 @@
+require 'spec_helper'
+require 'open_food_network/products_renderer'
+
+describe RefreshProductsCacheJob do
+  let(:distributor_id) { 123 }
+  let(:order_cycle_id) { 456 }
+
+  it "renders products and writes them to cache" do
+    OpenFoodNetwork::ProductsRenderer.any_instance.stub(:products_json) { 'products' }
+
+    run_job RefreshProductsCacheJob.new distributor_id, order_cycle_id
+
+    expect(Rails.cache.read("products-json-123-456")).to eq 'products'
+  end
+end