From 9460d17417e1ad8d5c582c106be7c43f94586a21 Mon Sep 17 00:00:00 2001
From: Maikel Linke <maikel@email.org.au>
Date: Mon, 29 Sep 2025 16:31:46 +1000
Subject: [PATCH] Publish DFC endpoints as JSON

---
 app/controllers/well_known_controller.rb | 13 +++++++++++++
 config/routes.rb                         |  3 +++
 public/.well-known/dfc                   |  4 ----
 spec/requests/well_known_spec.rb         |  3 ++-
 4 files changed, 18 insertions(+), 5 deletions(-)
 create mode 100644 app/controllers/well_known_controller.rb
 delete mode 100644 public/.well-known/dfc

diff --git a/app/controllers/well_known_controller.rb b/app/controllers/well_known_controller.rb
new file mode 100644
index 0000000000..e6999ae1e6
--- /dev/null
+++ b/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
diff --git a/config/routes.rb b/config/routes.rb
index 7537dd4615..0946d21ab7 100644
--- a/config/routes.rb
+++ b/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
diff --git a/public/.well-known/dfc b/public/.well-known/dfc
deleted file mode 100644
index c02097d7ec..0000000000
--- a/public/.well-known/dfc
+++ /dev/null
@@ -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/",
-}
diff --git a/spec/requests/well_known_spec.rb b/spec/requests/well_known_spec.rb
index d9fad20c50..9f6f423958 100644
--- a/spec/requests/well_known_spec.rb
+++ b/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