giridhar · November 25, 2011 07:02
diff --git a/clothes_recommender b/clothes_recommender
 #Prerequisites

 #Basic Ruby/Rails knowledge, including an installed version of Ruby 1.9.2, Rubygems, Bundler, and Rails 3.
 #Basic Git knowledge, including an installed version of Git.
 #Create a Heroku account http://www.heroku.com/
 #All the commands work on linux 

 #Install the Heroku client:

 $ gem install heroku

 Write Your App

 You may be starting from an existing app from <dropbox link>. If not you can create your own

 $ rails new myapp
 $ cd myapp


 Edit your Gemfile and change the line:

 group :production do
  gem 'pg'
 end

 group :development, :test do
  gem 'sqlite3'
 end

 gem 'httparty'

 Install Gems

 $ bundle install --without production

 Store Your App in Git

 $ git init
 $ git add .
 $ git commit -m "init"



 Creating the recommender: 

 * create the models 
  create file app/models/google_weather.rb 
 	class GoogleWeather  
 	  include HTTParty
 	  base_uri "www.google.com"
 	  
 	  attr_reader :long , :lat
 	  
 	  def initialize(options)
 	    @long = options[:long].to_f*1000000
 	    @lat = options[:lat].to_f*1000000
 	  end
 	  
 	  def weather
 	    @weather ||= self.class.get("/ig/api", :query => {:weather => ",,,#{@lat.to_i},#{@long.to_i}"}, :format => :xml)
 	  end
 	  
 	  def current_condition 
 	    @current_condition ||=@weather['xml_api_reply']['weather']['current_conditions']["condition"]["data"]
 	  end
 	  
 	  def current_temp
 	    @current_temp ||= @weather['xml_api_reply']['weather']['current_conditions']["temp_f"]["data"]
 	  end
 	  
 	  def current_icon
 	    @current_icon ||= "http://www.google.com/#{@weather['xml_api_reply']['weather']['current_conditions']["icon"]["data"]}"
 	  end
 	  
 	  def tomorrow_condition
 	    @tomorrow_condition||=@weather['xml_api_reply']['weather']['forecast_conditions'][1]["condition"]["data"]
 	  end
 	  
 	  def tomorrow_high
 	    @tomorrow_high||=@weather['xml_api_reply']['weather']['forecast_conditions'][1]["high"]["data"]
 	  end
 	  
 	  def tomorrow_low
 	    @tomorrow_low||=@weather['xml_api_reply']['weather']['forecast_conditions'][1]["low"]["data"]
 	  end
 	  
 	  def tomorrow_avgtemp
 	    @tomorrow_avgtemp||=(tomorrow_low.to_i+tomorrow_high.to_i)/2
 	  end
 	end

     create file app/models/clothes_recommender.rb


 * Create controller 

  create file app/controller/recommender_controller.rb

 	  class RecommenderController < ApplicationController
 	  
 	  def index
 	    @recommendations= ClothesRecommender.get_recommendation(params[:latitude].to_f,params[:longitude].to_f)
 	    @recommendations[:details_url]="http://#{request.host_with_port}/recommender/details?latitude=#{params[:latitude]},longitude=#{params[:longitude]}"
 	  end
 	  
 	  def details
 	    options={:lat=>params[:latitude],:long => params[:longitude]}
 	    @gw=GoogleWeather.new(options)
 	    @gw.weather
 	    @today="Today's weather is #{@gw.current_condition} at #{@gw.current_temp}F, we recommend #{ClothesRecommender.lookup(@gw.current_condition,@gw.current_temp)}" 
 	    @tomorrow="Tomorrow's forecast #{@gw.tomorrow_condition} with High at #{@gw.tomorrow_high}F and Low at #{@gw.tomorrow_low}F, we recommend #{ClothesRecommender.lookup(@gw.tomorrow_condition,@gw.tomorrow_avgtemp)}"
 	  end
 	  
 	end


 create the views 
 <!DOCTYPE html>
 <html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta name="viewport" content="width=device-width; height=device-height; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;" />
    <title>Action Details</title>
    <style>
      body { font-family: "Arial Black",Helvetica,Arial,sans-serif;}
      div.list_container { width:100%; position:relative;margin-bottom: -35px; min-height: 100%;}
      div.list_container div.day_title{}
 </style>
      </head>

  <body marginheight="0" marginwidth="0">    
    <div class="list_container">
    	<div>
    		<div class='day_title'>Today:</div><div><%=@today%></div>    		    		
    	</div>
 		<div>
    		<div class='day_title'>Tomorrow:</div><div><%=@tomorrow%></div>    		    		
    	</div>
    </div>
    	
 </body>
 </html>

 create xml builder 

 xml.instruct!   
 xml.dev_expert do
     xml.display_text "#{@recommendations[:display_text]}"
     xml.icon_hdpi_url "#{@recommendations[:icon]}"
     xml.icon_mdpi_url "#{@recommendations[:icon]}"
     xml.icon_ldpi_url "#{@recommendations[:icon]}"
     xml.details_view_url "#{@recommendations[:details_url]}"
 end



 Deploy your code:

 $ git push heroku master
	#Prerequisites

	#Basic Ruby/Rails knowledge, including an installed version of Ruby 1.9.2, Rubygems, Bundler, and Rails 3.
	#Basic Git knowledge, including an installed version of Git.
	#Create a Heroku account http://www.heroku.com/
	#All the commands work on linux

	#Install the Heroku client:

	$ gem install heroku

	Write Your App

	You may be starting from an existing app from <dropbox link>. If not you can create your own

	$ rails new myapp
	$ cd myapp


	Edit your Gemfile and change the line:

	group :production do
	gem 'pg'
	end

	group :development, :test do
	gem 'sqlite3'
	end

	gem 'httparty'

	Install Gems

	$ bundle install --without production

	Store Your App in Git

	$ git init
	$ git add .
	$ git commit -m "init"



	Creating the recommender:

	* create the models
	create file app/models/google_weather.rb
	class GoogleWeather
	include HTTParty
	base_uri "www.google.com"

	attr_reader :long , :lat

	def initialize(options)
	@long = options[:long].to_f*1000000
	@lat = options[:lat].to_f*1000000
	end

	def weather
	@weather \|\|= self.class.get("/ig/api", :query => {:weather => ",,,#{@lat.to_i},#{@long.to_i}"}, :format => :xml)
	end

	def current_condition
	@current_condition \|\|=@weather['xml_api_reply']['weather']['current_conditions']["condition"]["data"]
	end

	def current_temp
	@current_temp \|\|= @weather['xml_api_reply']['weather']['current_conditions']["temp_f"]["data"]
	end

	def current_icon
	@current_icon \|\|= "http://www.google.com/#{@weather['xml_api_reply']['weather']['current_conditions']["icon"]["data"]}"
	end

	def tomorrow_condition
	@tomorrow_condition\|\|=@weather['xml_api_reply']['weather']['forecast_conditions'][1]["condition"]["data"]
	end

	def tomorrow_high
	@tomorrow_high\|\|=@weather['xml_api_reply']['weather']['forecast_conditions'][1]["high"]["data"]
	end

	def tomorrow_low
	@tomorrow_low\|\|=@weather['xml_api_reply']['weather']['forecast_conditions'][1]["low"]["data"]
	end

	def tomorrow_avgtemp
	@tomorrow_avgtemp\|\|=(tomorrow_low.to_i+tomorrow_high.to_i)/2
	end
	end

	create file app/models/clothes_recommender.rb


	* Create controller

	create file app/controller/recommender_controller.rb

	class RecommenderController < ApplicationController

	def index
	@recommendations= ClothesRecommender.get_recommendation(params[:latitude].to_f,params[:longitude].to_f)
	@recommendations[:details_url]="http://#{request.host_with_port}/recommender/details?latitude=#{params[:latitude]},longitude=#{params[:longitude]}"
	end

	def details
	options={:lat=>params[:latitude],:long => params[:longitude]}
	@gw=GoogleWeather.new(options)
	@gw.weather
	@today="Today's weather is #{@gw.current_condition} at #{@gw.current_temp}F, we recommend #{ClothesRecommender.lookup(@gw.current_condition,@gw.current_temp)}"
	@tomorrow="Tomorrow's forecast #{@gw.tomorrow_condition} with High at #{@gw.tomorrow_high}F and Low at #{@gw.tomorrow_low}F, we recommend #{ClothesRecommender.lookup(@gw.tomorrow_condition,@gw.tomorrow_avgtemp)}"
	end

	end


	create the views
	<!DOCTYPE html>
	<html>
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<meta name="viewport" content="width=device-width; height=device-height; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;" />
	<title>Action Details</title>
	<style>
	body { font-family: "Arial Black",Helvetica,Arial,sans-serif;}
	div.list_container { width:100%; position:relative;margin-bottom: -35px; min-height: 100%;}
	div.list_container div.day_title{}
	</style>
	</head>

	<body marginheight="0" marginwidth="0">
	<div class="list_container">
	<div>
	<div class='day_title'>Today:</div><div><%=@today%></div>
	</div>
	<div>
	<div class='day_title'>Tomorrow:</div><div><%=@tomorrow%></div>
	</div>
	</div>

	</body>
	</html>

	create xml builder

	xml.instruct!
	xml.dev_expert do
	xml.display_text "#{@recommendations[:display_text]}"
	xml.icon_hdpi_url "#{@recommendations[:icon]}"
	xml.icon_mdpi_url "#{@recommendations[:icon]}"
	xml.icon_ldpi_url "#{@recommendations[:icon]}"
	xml.details_view_url "#{@recommendations[:details_url]}"
	end



	Deploy your code:

	$ git push heroku master