Merge pull request #7137 from betagouv/faster_pdf

refactor(pdf)!: accélère la génération des pdf (*2 à *4)

Gemfile

@@ -59,7 +59,6 @@ gem 'openid_connect'
 gem 'pg'
 gem 'phonelib'
 gem 'prawn-rails' # PDF Generation
-gem 'prawn-svg'
 gem 'premailer-rails'
 gem 'puma' # Use Puma as the app server
 gem 'pundit'

Gemfile.lock

@@ -459,9 +459,6 @@ GEM
       prawn
       prawn-table
       rails (>= 3.1.0)
-    prawn-svg (0.31.0)
-      css_parser (~> 1.6)
-      prawn (>= 0.11.1, < 3)
     prawn-table (0.2.2)
       prawn (>= 1.3.0, < 3.0.0)
     premailer (1.14.2)
@@ -840,7 +837,6 @@ DEPENDENCIES
   pg
   phonelib
   prawn-rails
-  prawn-svg
   premailer-rails
   pry-byebug
   puma

app/lib/active_storage/downloadable_file.rb

@@ -1,7 +1,6 @@
 class ActiveStorage::DownloadableFile
   def self.create_list_from_dossiers(dossiers, for_expert = false)
-    dossiers
-      .map { |d| pj_and_path(d.id, PiecesJustificativesService.generate_dossier_export(d)) } +
+    PiecesJustificativesService.generate_dossier_export(dossiers) +
       PiecesJustificativesService.liste_documents(dossiers, for_expert)
   end
 

app/models/dossier.rb

@@ -485,9 +485,10 @@ class Dossier < ApplicationRecord
   end
 
   def motivation
-    return nil if !termine?
+    if termine?
       traitement&.motivation || read_attribute(:motivation)
     end
+  end
 
   def update_search_terms
     self.search_terms = [

app/services/pieces_justificatives_service.rb

@@ -107,21 +107,44 @@ class PiecesJustificativesService
     end
   end
 
-  def self.generate_dossier_export(dossier)
+  def self.generate_dossier_export(dossiers)
+    return [] if dossiers.empty?
+
+    pdfs = []
+
+    procedure = dossiers.first.procedure
+    tdc_by_id = TypeDeChamp
+      .joins(:revisions)
+      .where(revisions: { id: procedure.revisions })
+      .to_a
+      .group_by(&:id)
+
+    dossiers
+      .includes(:champs, :champs_private, :commentaires, :individual,
+                :traitement, :etablissement,
+                user: :france_connect_information, avis: :expert)
+      .find_each do |dossier|
       pdf = ApplicationController
         .render(template: 'dossiers/show', formats: [:pdf],
                 assigns: {
                   include_infos_administration: true,
-                dossier: dossier
+                  dossier: dossier,
+                  procedure: procedure,
+                  tdc_by_id: tdc_by_id
                 })
 
-    FakeAttachment.new(
+      a = FakeAttachment.new(
         file: StringIO.new(pdf),
         filename: "export-#{dossier.id}.pdf",
         name: 'pdf_export_for_instructeur',
         id: dossier.id,
         created_at: dossier.updated_at
       )
+
+      pdfs << ActiveStorage::DownloadableFile.pj_and_path(dossier.id, a)
+    end
+
+    pdfs
   end
 
   private

app/views/dossiers/dossier_vide.pdf.prawn

@@ -181,7 +181,7 @@ prawn_document(page_size: "A4") do |pdf|
       italic: Rails.root.join('lib/prawn/fonts/marianne/marianne-thin.ttf' ),
   })
   pdf.font 'marianne'
-  pdf.svg IO.read(DOSSIER_PDF_EXPORT_LOGO_SRC), width: 300, position: :center
+  pdf.image DOSSIER_PDF_EXPORT_LOGO_SRC, width: 300, position: :center
   pdf.move_down(40)
 
   render_in_2_columns(pdf, 'Démarche', @dossier.procedure.libelle)

app/views/dossiers/show.pdf.prawn

@@ -130,28 +130,30 @@ def add_identite_etablissement(pdf, etablissement)
 end
 
 def add_single_champ(pdf, champ)
+  tdc = @tdc_by_id[champ.type_de_champ_id].first
+
   case champ.type
   when 'Champs::PieceJustificativeChamp', 'Champs::TitreIdentiteChamp'
     return
   when 'Champs::HeaderSectionChamp'
-    add_section_title(pdf, champ.libelle)
+    add_section_title(pdf, tdc.libelle)
   when 'Champs::ExplicationChamp'
-    format_in_2_lines(pdf, champ.libelle, champ.description)
+    format_in_2_lines(pdf, tdc.libelle, tdc.description)
   when 'Champs::CarteChamp'
-    format_in_2_lines(pdf, champ.libelle, champ.to_feature_collection.to_json)
+    format_in_2_lines(pdf, tdc.libelle, champ.to_feature_collection.to_json)
   when 'Champs::SiretChamp'
     pdf.font 'marianne', style: :bold do
-      pdf.text champ.libelle
+      pdf.text tdc.libelle
     end
     if champ.etablissement.present?
       add_identite_etablissement(pdf, champ.etablissement)
     end
   when 'Champs::NumberChamp'
     value = champ.to_s.empty? ? 'Non communiqué' : number_with_delimiter(champ.to_s)
-    format_in_2_lines(pdf, champ.libelle, value)
+    format_in_2_lines(pdf, tdc.libelle, value)
   else
     value = champ.to_s.empty? ? 'Non communiqué' : champ.to_s
-    format_in_2_lines(pdf, champ.libelle, value)
+    format_in_2_lines(pdf, tdc.libelle, value)
   end
 end
 
@@ -205,6 +207,9 @@ def add_etats_dossier(pdf, dossier)
 end
 
 prawn_document(page_size: "A4") do |pdf|
+  @procedure ||= @dossier.procedure
+  @tdc_by_id ||= @dossier.champs.map(&:type_de_champ).group_by(&:id)
+
   pdf.font_families.update( 'marianne' => {
     normal: Rails.root.join('lib/prawn/fonts/marianne/marianne-regular.ttf' ),
     bold: Rails.root.join('lib/prawn/fonts/marianne/marianne-bold.ttf' ),
@@ -212,12 +217,12 @@ prawn_document(page_size: "A4") do |pdf|
   pdf.font 'marianne'
 
   pdf.pad_bottom(40) do
-    pdf.svg IO.read(DOSSIER_PDF_EXPORT_LOGO_SRC), width: 300, position: :center
+    pdf.image DOSSIER_PDF_EXPORT_LOGO_SRC, width: 300, position: :center
   end
 
   format_in_2_columns(pdf, 'Dossier Nº', @dossier.id.to_s)
-  format_in_2_columns(pdf, 'Démarche', @dossier.procedure.libelle)
-  format_in_2_columns(pdf, 'Organisme', @dossier.procedure.organisation_name)
+  format_in_2_columns(pdf, 'Démarche', @procedure.libelle)
+  format_in_2_columns(pdf, 'Organisme', @procedure.organisation_name)
 
   add_etat_dossier(pdf, @dossier)
 

config/env.example.optional

@@ -69,7 +69,7 @@ DS_ENV="staging"
 # PROCEDURE_DEFAULT_LOGO_SRC="republique-francaise-logo.svg"
 
 # Instance customization: PDF export logo ---> to be put in "app/assets/images"
-# DOSSIER_PDF_EXPORT_LOGO_SRC="app/assets/images/header/logo-ds-wide.svg"
+# DOSSIER_PDF_EXPORT_LOGO_SRC="app/assets/images/header/logo-ds-wide.png"
 
 # Instance customization: watermark for identity documents
 # WATERMARK_FILE=""

config/initializers/images.rb

@@ -17,4 +17,4 @@ MAILER_FOOTER_LOGO_SRC = ENV.fetch("MAILER_FOOTER_LOGO_SRC", "mailer/instructeur
 PROCEDURE_DEFAULT_LOGO_SRC = ENV.fetch("PROCEDURE_DEFAULT_LOGO_SRC", "republique-francaise-logo.svg")
 
 # Logo in PDF export of a "Dossier"
-DOSSIER_PDF_EXPORT_LOGO_SRC = ENV.fetch("DOSSIER_PDF_EXPORT_LOGO_SRC", "app/assets/images/header/logo-ds-wide.svg")
+DOSSIER_PDF_EXPORT_LOGO_SRC = ENV.fetch("DOSSIER_PDF_EXPORT_LOGO_SRC", "app/assets/images/header/logo-ds-wide.png")

spec/services/pieces_justificatives_service_spec.rb

@@ -160,7 +160,7 @@ describe PiecesJustificativesService do
   describe '.generate_dossier_export' do
     let(:dossier) { create(:dossier) }
 
-    subject { PiecesJustificativesService.generate_dossier_export(dossier) }
+    subject { PiecesJustificativesService.generate_dossier_export(Dossier.where(id: dossier.id)) }
 
     it "doesn't update dossier" do
       expect { subject }.not_to change { dossier.updated_at }