initial commit

app/controllers/submissions_download_controller.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class SubmissionsDownloadController < ApplicationController
+  skip_before_action :authenticate_user!
+
+  def index
+    submission = Submission.find_by(slug: params[:submission_slug])
+
+    Submissions::GenerateResultAttachments.call(submission)
+
+    redirect_to submission.archive.url, allow_other_host: true
+  end
+end