Use can_pester? logic for timeline tweets

lib/twitter_ebooks/bot.rb

@@ -258,6 +258,11 @@ module Ebooks
           return
         end
 
+        if !meta[:mentions_bot] && !userinfo(ev.user.screen_name).can_pester?
+          log "Already pestered @#{ev.user.screen_name} enough for now"
+          return
+        end
+
         log "Replying to @#{ev.user.screen_name} with: #{meta[:reply_prefix] + text}"
         @twitter.update(meta[:reply_prefix] + text, in_reply_to_status_id: ev.id)
 

spec/bot_spec.rb

@@ -141,6 +141,10 @@ describe Ebooks::Bot do
 
       Timecop.travel(Time.now + 10)
       bot.receive_event(mock_tweet("spammer", "@test_ebooks @m1sp 8"))
+      expect_tweet(bot, "@spammer @m1sp echo: 8")
+
+      Timecop.travel(Time.now + 10)
+      bot.receive_event(mock_tweet("spammer", "@test_ebooks @m1sp 9"))
       expect(bot.twitter).to_not have_received(:update)
     end
   end