Adding coderwall badges

app/assets/stylesheets/application.css.sass

@@ -229,6 +229,18 @@ body
   .smaller
     font-size: 0.8em
 
+#coderwall
+  +horizontal-list
+  +grid-prefix(2,12)
+  +grid(8,12)
+  +grid-suffix(2,12)
+
+  li
+    font-size: 12px
+  img
+    width: 35px
+    height: 35px
+
 #search-page
   +grid-prefix(2,12)
   +grid(8,12)

app/controllers/users_controller.rb

@@ -1,8 +1,10 @@
+require 'coderwall'
 class UsersController < ApplicationController
   before_filter :find_user
   before_filter :authorize_user!, :except => :show
 
   def show
+    @coderwall = CoderWall.achievements_of(User.find(params[:id]).github_login)
   end
 
   def edit

app/views/users/show.html.haml

@@ -26,3 +26,8 @@
       %li.interests
         %label Interests
         %span.value.lengthy= interest_links
+
+%ul#coderwall
+  - @coderwall.each do |ach|
+    %li
+      = image_tag ach.badge

lib/coderwall.rb

@@ -0,0 +1,31 @@
+# Simple and Stupid Ruby API for Coderwall.com
+# Vivien Didelot <vivien@didelot.org>
+# https://gist.github.com/1007591
+
+require "open-uri"
+require "json"
+
+module CoderWall
+  class Achievement
+    attr_reader :name, :badge, :description
+
+    def initialize(hashed_badge)
+      @name, @badge, @description = hashed_badge.values
+    end
+  end
+
+  module_function
+
+  def achievements_of(username)
+    raise(ArgumentError, "Invalid username") if username.empty?
+    url = URI.escape("http://coderwall.com/#{username}.json")
+    begin
+      response = JSON.load(open(url))
+    rescue OpenURI::HTTPError
+      raise(ArgumentError, "Invalid username")
+    end
+
+    response["badges"].map { |badge| Achievement.new(badge) }
+  end
+end
+