FEATURE: background job to make sure emoticons aren't too big

app/jobs/regular/resize_emoji.rb

@@ -0,0 +1,14 @@
+module Jobs
+
+  class ResizeEmoji < Jobs::Base
+
+    def execute(args)
+      path = args[:path]
+      return unless File.exists?(path)
+
+      # make sure emoji aren't too big
+      OptimizedImage.resize(path, path, 60, 60, true)
+    end
+  end
+
+end

app/models/emoji.rb

@@ -56,6 +56,8 @@ class Emoji
     File.open(path, "wb") { |f| f << file.tempfile.read }
     # clear the cache
     Emoji.clear_cache
+    # launch resize job
+    Jobs.enqueue(:resize_emoji, path: path)
     # return created emoji
     Emoji.custom.detect { |e| e.name == name }
   end