refactor routes

app/controllers/submit_form_view_controller.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class SubmitFormViewController < ActionController::API
+  def create
+    @submitter = Submitter.find_by!(slug: params[:submit_form_slug])
+
+    return head :not_found if Submitter.signed_id_verifier.verified(params[:v], purpose: :view_form) != @submitter.slug
+
+    @submitter.opened_at = Time.current
+    @submitter.save
+
+    SubmissionEvents.create_with_tracking_data(@submitter, 'view_form', request)
+
+    WebhookUrls.enqueue_events(@submitter, 'form.viewed')
+
+    render json: {}
+  end
+end