Record file downloads for completed forms and service forms

app/controllers/application_controller.rb

@@ -24,6 +24,16 @@ def process_action(*args)
     head :not_acceptable
   end
 
+  def record_file_download(attachment)
+    ::Analytics::FileDownload.create(
+      user: current_user,
+      record: attachment.record,
+      name: attachment.name,
+      filename: attachment.filename,
+      byte_size: attachment.byte_size,
+    )
+  end
+
   def route_not_found
     raise ::ActionController::RoutingError, "Route does not exist"
   end

app/controllers/lotteries/entrant_service_details_controller.rb

@@ -38,6 +38,7 @@ def attach_completed_form
   def download_completed_form
     if @service_detail.completed_form.attached?
       redirect_to @service_detail.completed_form.url(disposition: :attachment), allow_other_host: true
+      record_file_download(@service_detail.completed_form)
     else
       redirect_to organization_lottery_entrant_service_detail_path(@organization, @lottery, @service_detail),
                   notice: "No completed service form is attached"

app/controllers/lotteries_controller.rb

@@ -190,8 +190,8 @@ def attach_service_form
   # GET /organizations/:organization_id/lotteries/:id/download_service_form
   def download_service_form
     if @lottery.service_form.attached?
-      @lottery.increment!(:service_form_download_count)
       redirect_to @lottery.service_form.url(disposition: :attachment), allow_other_host: true
+      record_file_download(@lottery.service_form)
     else
       redirect_to setup_organization_lottery_path(@organization, @lottery), notice: "No service form is attached"
     end

app/models/analytics/file_download.rb

@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+class Analytics::FileDownload < ApplicationRecord
+  belongs_to :user
+  belongs_to :record, polymorphic: true
+end