add logger to empty job title

lib/tasks/web_crawler.rake

@@ -27,7 +27,10 @@ namespace :crawler do
         job_page = Nokogiri::HTML(HTTParty.get(url).body)
         job_page = Nokogiri::HTML(HTTParty.get(url).body)
         # Job
         # Job
         job_title = job_page.css('div.job-desc h1.title').text
         job_title = job_page.css('div.job-desc h1.title').text
-        next if job_title.nil?
+        if job_title.blank?
+          logger.info 'Remove this job because title is empty'
+          next
+        end
         # update_at, job_industries, job_type, salary, experience, level, expiration_date
         # update_at, job_industries, job_type, salary, experience, level, expiration_date
         detail_box_items = job_page.css('.job-detail-content .detail-box ul li')
         detail_box_items = job_page.css('.job-detail-content .detail-box ul li')
         # init
         # init