Merge pull request #10078 from demarches-simplifiees/add_metadata_to_pdf_generation

Tech: ajoute des informations de debug lors de la generation de pdf utilisant weasyprint

app/controllers/administrateurs/attestation_template_v2s_controller.rb

@@ -20,11 +20,27 @@ module Administrateurs
         format.pdf do
           html = render_to_string('/administrateurs/attestation_template_v2s/show', layout: 'attestation', formats: [:html])
 
-          result = Typhoeus.post(WEASYPRINT_URL,
-                                 headers: { 'content-type': 'application/json' },
-                                 body: { html: html }.to_json)
+          headers = {
+            'Content-Type' => 'application/json',
+            'X-Request-Id' => Current.request_id
+          }
 
-          send_data(result.body, filename: 'attestation.pdf', type: 'application/pdf', disposition: 'inline')
+          body = {
+            html: html,
+            upstream_context: {
+              procedure_id: @procedure.id,
+              path: request.path,
+              user_id: current_user.id
+            }
+          }.to_json
+
+          response = Typhoeus.post(WEASYPRINT_URL, headers:, body:)
+
+          if response.success?
+            send_data(response.body, filename: 'attestation.pdf', type: 'application/pdf', disposition: 'inline')
+          else
+            raise StandardError.new("PDF Generation failed: #{response.return_code} #{response.status_message}")
+          end
         end
       end
     end

app/views/administrateurs/attestation_template_v2s/show.html.haml

@@ -1,3 +1,14 @@
+- content_for :title, @title
+- content_for :authors do
+  - @authors&.map do |author|
+    %meta{ name: 'author', content: author }
+- content_for :description do
+  - if @description.present?
+    %meta{ name: 'description', content: @description }
+- content_for :keywords do
+  - @keywords&.map do |keyword|
+    %meta{ name: 'keywords', content: keyword }
+
 .a4-container{ class: class_names("official-layout": @attestation_template.official_layout?) }
   .content
     %header.first-header

app/views/layouts/attestation.html.haml

@@ -1,6 +1,12 @@
-%html
+%html{ lang: 'fr' }
   %head
     = stylesheet_link_tag 'attestation', media: 'all'
+    %title= content_for?(:title) ? yield(:title) : 'Attestation'
+    = yield(:authors)
+    = yield(:keywords)
+    = yield(:description)
+    %meta{ name: 'generator', content: ENV.fetch('APP_HOST') }
+    %meta{ name: 'dcterms.created', content: Time.zone.now.iso8601 }
 
   %body#attestation
     = yield

spec/system/administrateurs/procedure_attestation_template_spec.rb

@@ -65,7 +65,12 @@ describe 'As an administrateur, I want to manage the procedure’s attestation',
   end
 
   context 'Update attestation v2' do
-    before { Flipper.enable(:attestation_v2) }
+    before do
+      Flipper.enable(:attestation_v2)
+
+      response = Typhoeus::Response.new(code: 200, body: 'Hello world')
+      Typhoeus.stub(WEASYPRINT_URL).and_return(response)
+    end
 
     scenario do
       visit admin_procedure_path(procedure)