feat(piece_justificative): limit to 1 upload for existing procedures

app/components/attachment/multiple_component.rb

@@ -7,15 +7,17 @@ class Attachment::MultipleComponent < ApplicationComponent
   attr_reader :direct_upload
   attr_reader :id
   attr_reader :user_can_destroy
+  attr_reader :max
 
   delegate :count, :empty?, to: :attachments, prefix: true
 
-  def initialize(form:, attached_file:, user_can_destroy: false, direct_upload: true, id: nil)
+  def initialize(form:, attached_file:, user_can_destroy: false, direct_upload: true, id: nil, max: nil)
     @form = form
     @attached_file = attached_file
     @user_can_destroy = user_can_destroy
     @direct_upload = direct_upload
     @id = id
+    @max = max || 10
 
     @attachments = attached_file.attachments || []
   end
@@ -28,7 +30,7 @@ class Attachment::MultipleComponent < ApplicationComponent
     return false if @attachments.empty?
     return false if !@attachments.last.persisted?
 
-    true
+    @attachments.count < @max
   end
 
   def stimulus_controller_name

app/components/editable_champ/piece_justificative_component/piece_justificative_component.html.haml

@@ -1,5 +1,5 @@
 - user_can_destroy = !@champ.mandatory? || @champ.dossier.brouillon?
-= render Attachment::MultipleComponent.new(form: @form, attached_file: @champ.piece_justificative_file, user_can_destroy: user_can_destroy) do |c|
+= render Attachment::MultipleComponent.new(form: @form, attached_file: @champ.piece_justificative_file, user_can_destroy: user_can_destroy, max: @champ.procedure&.piece_justificative_multiple == false ? 1 : nil) do |c|
   - if @champ.type_de_champ.piece_justificative_template&.attached?
     - c.with_template do
       %p