feat(attestation): can render & attach attestations v2

app/controllers/administrateurs/attestation_template_v2s_controller.rb

@@ -20,27 +20,9 @@ module Administrateurs
         format.pdf do
           html = render_to_string('/administrateurs/attestation_template_v2s/show', layout: 'attestation', formats: [:html])
 
-          headers = {
-            'Content-Type' => 'application/json',
-            'X-Request-Id' => Current.request_id
-          }
+          pdf = WeasyprintService.generate_pdf(html, procedure_id: @procedure.id, path: request.path, user_id: current_user.id)
 
-          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
+          send_data(pdf, filename: 'attestation.pdf', type: 'application/pdf', disposition: 'inline')
         end
       end
     end

app/controllers/instructeurs/dossiers_controller.rb

@@ -30,9 +30,10 @@ module Instructeurs
     end
 
     def apercu_attestation
-      @attestation = dossier.attestation_template.render_attributes_for(dossier: dossier)
-
-      render 'administrateurs/attestation_templates/show', formats: [:pdf]
+      send_data dossier.attestation_template.send(:build_pdf, dossier),
+                filename: 'attestation.pdf',
+                type: 'application/pdf',
+                disposition: 'inline'
     end
 
     def bilans_bdf

app/models/attestation_template.rb

@@ -72,9 +72,10 @@ class AttestationTemplate < ApplicationRecord
   }.freeze
 
   def attestation_for(dossier)
-    attestation = Attestation.new(title: replace_tags(title, dossier, escape: false))
+    attestation = Attestation.new
+    attestation.title = replace_tags(title, dossier, escape: false) if version == 1
     attestation.pdf.attach(
-      io: build_pdf(dossier),
+      io: StringIO.new(build_pdf(dossier)),
       filename: "attestation-dossier-#{dossier.id}.pdf",
       content_type: 'application/pdf',
       # we don't want to run virus scanner on this file
@@ -184,7 +185,7 @@ class AttestationTemplate < ApplicationRecord
 
     if dossier.present?
       # 2x faster this way than with `replace_tags` which would reparse text
-      used_tags = tiptap.used_tags_and_libelle_for(json.deep_symbolize_keys)
+      used_tags = TiptapService.used_tags_and_libelle_for(json.deep_symbolize_keys)
       substitutions = tags_substitutions(used_tags, dossier, escape: false)
       body = tiptap.to_html(json, substitutions)
 
@@ -207,17 +208,41 @@ class AttestationTemplate < ApplicationRecord
   end
 
   def used_tags
-    used_tags_for(title) + used_tags_for(body)
+    if version == 2
+      json = json_body&.deep_symbolize_keys
+      TiptapService.used_tags_and_libelle_for(json.deep_symbolize_keys)
+    else
+      used_tags_for(title) + used_tags_for(body)
+    end
   end
 
   def build_pdf(dossier)
+    if version == 2
+      build_v2_pdf(dossier)
+    else
+      build_v1_pdf(dossier)
+    end
+  end
+
+  def build_v1_pdf(dossier)
     attestation = render_attributes_for(dossier: dossier)
-    attestation_view = ApplicationController.render(
+    ApplicationController.render(
       template: 'administrateurs/attestation_templates/show',
       formats: :pdf,
       assigns: { attestation: attestation }
     )
+  end
 
-    StringIO.new(attestation_view)
+  def build_v2_pdf(dossier)
+    body = render_attributes_for(dossier:).fetch(:body)
+
+    html = ApplicationController.render(
+      template: '/administrateurs/attestation_template_v2s/show',
+      formats: [:html],
+      layout: 'attestation',
+      assigns: { attestation_template: self, body: body }
+    )
+
+    WeasyprintService.generate_pdf(html, { procedure_id: procedure.id, dossier_id: dossier.id })
   end
 end

app/models/concerns/tags_substitution_concern.rb

@@ -257,7 +257,7 @@ module TagsSubstitutionConcern
   def used_type_de_champ_tags(text_or_tiptap)
     used_tags =
       if text_or_tiptap.respond_to?(:deconstruct_keys) # hash pattern matching
-        TiptapService.new.used_tags_and_libelle_for(text_or_tiptap.deep_symbolize_keys)
+        TiptapService.used_tags_and_libelle_for(text_or_tiptap.deep_symbolize_keys)
       else
         used_tags_and_libelle_for(text_or_tiptap.to_s)
       end

app/models/export_template.rb

@@ -66,11 +66,10 @@ class ExportTemplate < ApplicationRecord
   end
 
   def render_attributes_for(content_for, dossier, attachment = nil)
-    tiptap = TiptapService.new
-    used_tags = tiptap.used_tags_and_libelle_for(content_for.deep_symbolize_keys)
+    used_tags = TiptapService.used_tags_and_libelle_for(content_for.deep_symbolize_keys)
     substitutions = tags_substitutions(used_tags, dossier, escape: false, memoize: true)
     substitutions['original-filename'] = attachment.filename.base if attachment
-    tiptap.to_path(content_for.deep_symbolize_keys, substitutions)
+    TiptapService.new.to_path(content_for.deep_symbolize_keys, substitutions)
   end
 
   def specific_tags

app/services/tiptap_service.rb

@@ -1,18 +1,6 @@
 class TiptapService
-  def to_html(node, substitutions = {})
-    return '' if node.nil?
-
-    children(node[:content], substitutions, 0)
-  end
-
-  def to_path(node, substitutions = {})
-    return '' if node.nil?
-
-    children_path(node[:content], substitutions)
-  end
-
   # NOTE: node must be deep symbolized keys
-  def used_tags_and_libelle_for(node, tags = Set.new)
+  def self.used_tags_and_libelle_for(node, tags = Set.new)
     case node
     in type: 'mention', attrs: { id:, label: }, **rest
       tags << [id, label]
@@ -25,6 +13,18 @@ class TiptapService
     tags
   end
 
+  def to_html(node, substitutions = {})
+    return '' if node.nil?
+
+    children(node[:content], substitutions, 0)
+  end
+
+  def to_path(node, substitutions = {})
+    return '' if node.nil?
+
+    children_path(node[:content], substitutions)
+  end
+
   private
 
   def initialize

app/services/weasyprint_service.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class WeasyprintService
+  def self.generate_pdf(html, options = {})
+    headers = {
+      'Content-Type' => 'application/json',
+      'X-Request-Id' => Current.request_id
+    }
+
+    body = {
+      html:,
+      upstream_context: options
+    }.to_json
+
+    response = Typhoeus.post(WEASYPRINT_URL, headers:, body:)
+
+    if response.success?
+      response.body
+    else
+      raise StandardError, "PDF Generation failed: #{response.code} #{response.status_message}"
+    end
+  end
+end

spec/models/attestation_template_spec.rb

@@ -58,81 +58,78 @@ describe AttestationTemplate, type: :model do
       create(:procedure,
         types_de_champ_public: types_de_champ,
         types_de_champ_private: types_de_champ_private,
-        for_individual: for_individual,
         attestation_template: attestation_template)
     end
-    let(:for_individual) { false }
-    let(:individual) { nil }
     let(:etablissement) { create(:etablissement) }
     let(:types_de_champ) { [] }
     let(:types_de_champ_private) { [] }
-    let!(:dossier) { create(:dossier, procedure: procedure, individual: individual, etablissement: etablissement) }
-    let(:template_title) { 'title' }
-    let(:template_body) { 'body' }
-    let(:attestation_template) do
-      build(:attestation_template,
-        title: template_title,
-        body: template_body,
-        logo: @logo,
-        signature: @signature)
+    let(:dossier) { create(:dossier, :accepte, procedure:) }
+
+    let(:types_de_champ) do
+      [
+        { libelle: 'libelleA' },
+        { libelle: 'libelleB' }
+      ]
     end
 
     before do
-      Timecop.freeze(Time.zone.now)
-    end
+      dossier.champs_public
+        .find { |champ| champ.libelle == 'libelleA' }
+        .update(value: 'libelle1')
 
-    after do
-      Timecop.return
-    end
-
-    let(:view_args) do
-      arguments = nil
-
-      allow(ApplicationController).to receive(:render).and_wrap_original do |m, *args|
-        arguments = args.first[:assigns]
-        m.call(*args)
-      end
-
-      attestation_template.attestation_for(dossier)
-
-      arguments
+      dossier.champs_public
+        .find { |champ| champ.libelle == 'libelleB' }
+        .update(value: 'libelle2')
     end
 
     let(:attestation) { attestation_template.attestation_for(dossier) }
 
-    context 'when the procedure has a type de champ named libelleA et libelleB' do
-      let(:types_de_champ) do
-        [
-          { libelle: 'libelleA' },
-          { libelle: 'libelleB' }
-        ]
+    context 'attestation v1' do
+      let(:template_title) { 'title --libelleA--' }
+      let(:template_body) { 'body --libelleB--' }
+      let(:attestation_template) do
+        build(:attestation_template,
+          title: template_title,
+          body: template_body)
       end
 
-      context 'and the are used in the template title and body' do
-        let(:template_title) { 'title --libelleA--' }
-        let(:template_body) { 'body --libelleB--' }
+      let(:view_args) do
+        arguments = nil
 
-        context 'and their value in the dossier are not nil' do
-          before do
-            dossier.champs_public
-              .find { |champ| champ.libelle == 'libelleA' }
-              .update(value: 'libelle1')
-
-            dossier.champs_public
-              .find { |champ| champ.libelle == 'libelleB' }
-              .update(value: 'libelle2')
-          end
-
-          it 'passes the correct parameters to the view' do
-            expect(view_args[:attestation][:title]).to eq('title libelle1')
-            expect(view_args[:attestation][:body]).to eq('body libelle2')
-          end
-
-          it 'generates an attestation' do
-            expect(attestation.title).to eq('title libelle1')
-            expect(attestation.pdf).to be_attached
-          end
+        allow(ApplicationController).to receive(:render).and_wrap_original do |m, *args|
+          arguments = args.first[:assigns]
+          m.call(*args)
         end
+
+        attestation_template.attestation_for(dossier)
+
+        arguments
+      end
+
+      it 'passes the correct parameters and generates an attestation' do
+        expect(view_args[:attestation][:title]).to eq('title libelle1')
+        expect(view_args[:attestation][:body]).to eq('body libelle2')
+        expect(attestation.title).to eq('title libelle1')
+        expect(attestation.pdf).to be_attached
+      end
+    end
+
+    context 'attestation v2' do
+      let(:attestation_template) do
+        build(:attestation_template, :v2, :with_files, label_logo: "Ministère des specs")
+      end
+
+      before do
+        stub_request(:post, WEASYPRINT_URL)
+          .with(body: {
+            html: /Ministère des specs.+Mon titre pour #{procedure.libelle}.+Dossier: n° #{dossier.id}/m,
+            upstream_context: { procedure_id: procedure.id, dossier_id: dossier.id }
+          })
+          .to_return(body: 'PDF_DATA')
+      end
+
+      it 'generates an attestation' do
+        expect(attestation.pdf).to be_attached
       end
     end
   end

spec/services/tiptap_service_spec.rb

@@ -189,7 +189,7 @@ RSpec.describe TiptapService do
 
   describe '#used_tags' do
     it 'returns used tags' do
-      expect(described_class.new.used_tags_and_libelle_for(json)).to eq(Set.new([['name', 'Nom']]))
+      expect(described_class.used_tags_and_libelle_for(json)).to eq(Set.new([['name', 'Nom']]))
     end
   end
 

spec/services/weasyprint_service_spec.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+describe WeasyprintService do
+  let(:html) { '<html><body>Hello, World!</body></html>' }
+  let(:options) { { procedure_id: 1, dossier_id: 2 } }
+
+  describe '#generate_pdf' do
+    context 'when the Weasyprint API responds successfully' do
+      before do
+        stub_request(:post, WEASYPRINT_URL)
+          .with(body: { html: html, upstream_context: options })
+          .to_return(body: 'PDF_DATA')
+      end
+
+      it 'returns a StringIO object with the PDF data' do
+        pdf = described_class.generate_pdf(html, options)
+        expect(pdf).to eq('PDF_DATA')
+      end
+    end
+  end
+end