Publish DFC endpoints as JSON

app/controllers/well_known_controller.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class WellKnownController < ApplicationController
+  layout nil
+
+  def dfc
+    base = "https://github.com/datafoodconsortium/taxonomies/releases/latest/download/scopes.rdf#"
+    render json: {
+      "#{base}ReadEnterprise" => "/api/dfc/enterprises/",
+      "#{base}ReadProducts" => "/api/dfc/supplied_products/",
+    }
+  end
+end

config/routes.rb

@@ -29,6 +29,9 @@ Openfoodnetwork::Application.routes.draw do
   get '/orders/:id/token/:token' => 'spree/orders#show', :as => :token_order
   get '/payments/:id/authorize' => 'payments#redirect_to_authorize', as: "authorize_payment"
 
+  # Well known paths
+  get "/.well-known/dfc/", to: "well_known#dfc"
+
   resource :cart, controller: "cart" do
     post :populate
   end

public/.well-known/dfc

@@ -1,4 +0,0 @@
-{
-    "https://github.com/datafoodconsortium/taxonomies/releases/latest/download/scopes.rdf#ReadEnterprise": "/api/dfc/enterprises/",
-    "https://github.com/datafoodconsortium/taxonomies/releases/latest/download/scopes.rdf#ReadProducts": "/api/dfc/supplied_products/",
-}

spec/requests/well_known_spec.rb

@@ -8,8 +8,9 @@ RSpec.describe "/.well-known/" do
       get "/.well-known/dfc/"
 
       expect(response).to have_http_status :ok
-      expect(response.content_type).to eq "text/plain" # Should be JSON!
       expect(response.body).to include "ReadEnterprise"
+      expect(response.content_type).to eq "application/json; charset=utf-8"
+      expect(response.parsed_body.count).to eq 2
     end
   end
 end