AO3-6832 Don't attach work download to abuse report if provided comme…

…nt URL (#4972)

* Don't attach work download to abuse report if provided comment URL

* Add test, tweak for readability

app/models/abuse_report.rb

@@ -124,8 +124,9 @@ def send_report
   end
 
   def attach_work_download(ticket_id)
+    is_not_comments = url[%r{/comments/}, 0].nil?
     work_id = url[%r{/works/(\d+)}, 1]
-    return unless work_id
+    return unless work_id && is_not_comments
 
     work = Work.find_by(id: work_id)
     ReportAttachmentJob.perform_later(ticket_id, work) if work

spec/models/abuse_report_spec.rb

@@ -359,6 +359,13 @@
         .not_to have_enqueued_job
     end
 
+    it "does not attach a download for comment sub-URLs asynchronously" do
+      allow(subject).to receive(:url).and_return("http://archiveofourown.org/works/#{work.id}/comments/")
+
+      expect { subject.attach_work_download(ticket_id) }
+        .not_to have_enqueued_job
+    end
+
     it "attaches a download for work URLs asynchronously" do
       allow(subject).to receive(:url).and_return("http://archiveofourown.org/works/#{work.id}/")