adapt original note resizing js code

app/logical/upload_error_checker.rb

@@ -4,13 +4,13 @@ require 'mail'
 
 class UploadErrorChecker
   def check!
-    count = Upload.where("status like 'error%' and created_at >= ?", 1.hour.ago).count
-    if count > 5
+    uploads = Upload.where("status like 'error%' and created_at >= ?", 1.hour.ago).all
+    if uploads.size > 5
       mail = Mail.new do
         from "webmaster@danbooru.donmai.us"
         to "r888888888@gmail.com"
-        subject "[danbooru] Upload error count at #{count}"
-        body "nt"
+        subject "[danbooru] Upload error count at #{uploads.size}"
+        body uploads.map {|x| x.status}.join("\n")
       end
       mail.delivery_method :sendmail
       mail.deliver