Ming Jin: refactor some code

Gemfile

@@ -2,6 +2,7 @@ source :rubygems
 
 gem 'rake'
 gem 'rcov', '0.9.10'
+gem 'systemu'
 
 gem 'rack'
 gem 'rack-test'

Rakefile

@@ -1,6 +1,7 @@
 require 'rake'
 require 'rack'
 require 'rspec/core/rake_task'
+require 'systemu'
 
 RSpec::Core::RakeTask.new(:spec) do |t|
   t.pattern = "spec/ruby/**/*_spec.rb" # don't need this, it's default.
@@ -24,7 +25,7 @@ end
 namespace :redis do
   task :start do
     sh 'redis-server'
-  end  
+  end
 end
 
 task :default => :spec

controllers/static_controller.rb

@@ -24,13 +24,13 @@ class StaticController < Sinatra::Base
   post '/signin' do
     unless params[:team].nil?
       redirect "/#{params[:team]}", 303
-    end  
+    end
   end
 
   post '/signup' do
     unless params[:team].nil?
       redirect "/#{params[:team]}", 303
-    end  
+    end
   end
 
   get '/:team' do
@@ -42,7 +42,7 @@ class StaticController < Sinatra::Base
   get '/:team/profile' do
     "hello! #{params[:team]}"
   end
-  
+
   get '/:team/existing_cards' do
     @team = Team.find_by_name(params[:team]) || new_team_with_sections(params[:team])
     team_hash = {}
@@ -52,7 +52,7 @@ class StaticController < Sinatra::Base
     content_type :json
     team_hash.to_json
   end
-  
+
   def section_hash section
     hash = {}
     section.stickies.each do |sticky|

controllers/websocket_controller.rb

@@ -1,6 +1,6 @@
 require 'stringio'
 require 'cramp'
-require 'yajl'  
+require 'yajl'
 require 'redis_connection'
 require 'helpers/json_helper'
 require 'lib/db_operator'
@@ -12,7 +12,7 @@ class WebsocketController < Cramp::Websocket
 
   on_start :handle_join
   on_data :handle_data
-  
+
   def handle_join
     @@connections << self
   end

helpers/json_helper.rb

@@ -2,7 +2,7 @@ module JSonHelper
   def encode_json(obj)
     Yajl::Encoder.encode(obj)
   end
-  
+
   def parse_json(str)
     Yajl::Parser.parse(str, :symbolize_keys => true)
   end