amelioration(mails): permet a nos mails d'inclure des balises <a> pour faciliter l'usage des mail envoyés

app/controllers/administrateurs/mail_templates_controller.rb

@@ -40,7 +40,7 @@ module Administrateurs
       @dossier = dossier
       @logo_url = procedure.logo_url
       @service = procedure.service
-      @rendered_template = sanitize(mail_template.body_for_dossier(dossier))
+      @rendered_template = sanitize(mail_template.body_for_dossier(dossier), scrubber: Sanitizers::MailScrubber.new)
       @actions = mail_template.actions_for_dossier(dossier)
 
       render(template: 'notification_mailer/send_notification', layout: 'mailers/notifications_layout')

app/lib/sanitizers/mail_scrubber.rb

@@ -0,0 +1,12 @@
+module Sanitizers
+  class MailScrubber < Rails::Html::PermitScrubber
+    def initialize
+      super
+      self.tags = Rails.application.config.action_view.sanitized_allowed_tags + ['a']
+    end
+
+    def skip_node?(node)
+      node.text?
+    end
+  end
+end

app/mailers/notification_mailer.rb

@@ -20,7 +20,7 @@ class NotificationMailer < ApplicationMailer
   def send_notification
     @service = @dossier.procedure.service
     @logo_url = attach_logo(@dossier.procedure)
-    @rendered_template = sanitize(@body)
+    @rendered_template = sanitize(@body, scrubber: Sanitizers::MailScrubber.new)
     attachments[@attachment[:filename]] = @attachment[:content] if @attachment.present?
 
     I18n.with_locale(@dossier.user_locale) do