Cast me sync

app/controllers/public/casting_submissions_controller.rb

@@ -0,0 +1,25 @@
+class Public::CastingSubmissionsController < Public::BaseController
+  skip_after_action :verify_authorized
+  before_action :set_casting_submission, only: [:show, :update]
+
+  def show
+  end
+
+  def update
+    if @casting_submission.update(casting_submission_params)
+      redirect_to casting_submission_url(token: @casting_submission.token), notice: t(".notice")
+    else
+      render :show
+    end
+  end
+
+  private
+
+  def set_casting_submission
+    @casting_submission = CastingSubmission.find_by_token(params[:token])
+  end
+
+  def casting_submission_params
+    params.require(:casting_submission).permit(files: [])
+  end
+end