Add links to the most popular demarches

app/controllers/new_user/demarches_controller.rb

@@ -7,6 +7,15 @@ module NewUser
         .map(&:procedure)
         .uniq
         .select { |p| p.publiee? }
+
+      @popular_demarches = Procedure
+        .select("procedures.*, COUNT(*) AS procedures_count")
+        .joins(:dossiers)
+        .publiees
+        .where(dossiers: { created_at: 7.days.ago..Time.now })
+        .group("procedures.id")
+        .order("procedures_count DESC")
+        .limit(5)
     end
   end
 end

app/views/new_user/demarches/index.html.haml

@@ -10,5 +10,12 @@
         %li
           = link_to(demarche.libelle, commencer_url(procedure_path: demarche.path), class: "demarche-link")
 
+  - if @popular_demarches.present?
+    %h2.list-header LES PLUS POPULAIRES
+    %ul.demarche-links
+      - @popular_demarches.each do |demarche|
+        %li
+          = link_to(demarche.libelle, commencer_url(procedure_path: demarche.path), class: "demarche-link")
+
   %h2.list-header TOUTES LES DÉMARCHES
   = link_to("Voir l'intégralité des démarches disponibles", LISTE_DES_DEMARCHES_URL, class: "button")