Champ Repetition dossier editor

app/controllers/champs/repetition_controller.rb

@@ -0,0 +1,21 @@
+class Champs::RepetitionController < ApplicationController
+  before_action :authenticate_logged_user!
+
+  def show
+    @champ = Champ
+      .joins(:dossier)
+      .where(dossiers: { user_id: logged_user_ids })
+      .find(params[:champ_id])
+
+    @position = params[:position]
+    row = (@champ.champs.empty? ? 0 : @champ.champs.last.row) + 1
+
+    @champ.add_row(row)
+
+    if @champ.private?
+      @attribute = "dossier[champs_private_attributes][#{@position}][champs_attributes]"
+    else
+      @attribute = "dossier[champs_attributes][#{@position}][champs_attributes]"
+    end
+  end
+end