web.rb.save

require 'rubygems'
require 'sinatra'
require 'yaml'
require 'news'

class ManufactureNewspaperJob < Struct.new(:username)
  def perform
    manufacture_newspaper_for(username)
  end
end

def manufacture_newspaper_for(username)
	puts "Calculating strongies"
	strong_ties = get_strong_ties_for(username)
	puts "Calculating Centralities"
	centralities = get_centralities_for(username)
	puts "Getting tweets"
	result = get_tweets_for(username)
	puts "Filtering only to tweets with links"
	result = get_links_for(result)
	puts "Getting retweets for tweets"
	result = get_retweets_for(result)
	puts "Getting news value for tweets"
	result = get_news_value_for(result)
	puts "Calculating newspaper"
	result = calculate_newspaper(result,strong_ties,centralities)
	puts "Getting content for best 20 items"
	result = result.sort!{|a,b| a[:score] <=> b[:score]}.reverse[0..20]
	result = get_content_for(result)
	puts "DONE"
	File.open("/data/" + username + "_results","w") {|file| file.puts(result.to_yaml)}
	return result
end
get '/' do 
	@username = "Twitter"
	haml :index
end

post '/' do 
	@username = params[:username]
    @email = params[:email]
end

get '/wait' do 
	haml :wait
end

get '/new/:username' do |username|
	Delayed::Job.enqueue(ManufactureNewspaperJob.new(username))
    redirect '/wait'        
end

get '/show/:username' do |username|
	@username = username
	result = check("/data/" + username + "_results")
	if result == nil
		Delayed::Job.enqueue(ManufactureNewspaperJob.new(username))
		redirect '/wait'
	else
		puts "Serving precomputed newspaper"
		@news = result
		haml :show
	end
end

__END__
@@layout
%html
  <?xml version="1.0" encoding="UTF-8"?>
  %header
    %link{ :rel => "stylesheet", :type => "text/css", :href => "/reset.css"}
    %link{ :rel => "stylesheet", :type => "text/css", :href => "/style.css"}
    %link{ :rel => "stylesheet", :type => "text/css", :href => "/typography.css"}
    %link{ :rel => "stylesheet", :type => "text/css", :href => "/uni-form.css"}
    %link{ :rel => "stylesheet", :type => "text/css", :href => "/default.uni-form.css"}
    %script{ :type =>"text/javascript", :src => "http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"}
    %script{ :type =>"text/javascript", :src => "/uni-form-validation.jquery.min.js"}
    %meta{ "http-equiv" => "Content-Type", :content => "text/html; charset=utf-8"}
  %title="The #{@username} Zeit"
  %body
    :javascript
      $(function(){ $('form.uniForm').uniform(); }); 
    #header
      %h1{:id => "title"}
        ="The #{@username} Zeit"      
    .main
      =yield

@@index
%h3 The Twitter Zeit is a personalized social newspaper that gives you the news that your friends talk about. 
%p
  %img{ :src => "/newspaper.png", :alt => "Reading is fun again"}
%form{ :action => "", :method => "post", :class => "uniForm"}
  %fieldset.inlineLabels
    .ctrlHolder
      %label{:for => "name"} Your Twitter Username:
      %input{:type => "text", :name => "username", :class => "textInput required"}
      %p.formHint Enter your Twitter Username
    .ctrlHolder
      %label{:for => "mail"} Your Email:
      %input{:type => "text", :name => "email", :class => "textInput required"}
      %p.formHint Enter your Email to get a notification once the Newspaper has been manufactured.
    .buttonHolder
      %button{:type => "submit", :class => "primaryAction"} Create my Twitter Zeit 

@@wait
%h3 The smurfs are working. You have to wait a little now. We will send you an email once we are done manufacturing your newspaper.
%h3 While waiting you might want to surf reddit :)

@@show
- @news.each do |item|
  #separator
  %p
    %h2
      -if item[:icon].to_s.lstrip.rstrip != ""
        %img{:src => item[:icon], :width => 50, :height => 50}
      %a{:href => item[:uri]}
        =item[:title]
    %blockquote
      ="Tweet: #{item[:text]} (#{item[:created_at]}). "
    
    %h3
      Tweeted by:
      %a{:href => "http://twitter.com/#{item[:user][:screen_name]}/status/#{item[:id_str]}"}
        =item[:user][:screen_name]
    %h4="Retweeted by #{item[:retweet_ids].count}:"
    %h6="#{item[:retweet_ids].collect{|r| r[:person]}.join(' ')}"    
    - total_score_string = "http://chart.apis.google.com/chart?chxr=0,0,4&chxt=y&chs=300x150&cht=gm&chd=t:#{item[:score]}&chds=0,4&chtt=Total+Value"
    %img{ :src => total_score_string, :width => "300", :height => "150", :alt => "Tweet Value"}
    - pre = "http://chart.apis.google.com/chart?chbh=a,6,20&chs=300x150&cht=bhg&chco=FF0000,00FF00,FF9900,0000FF&chds=0,1,0,1,0,1,0,1&chd="
    - val = "t:#{item[:nw_score]}|#{item[:rt_score]}|#{item[:ct_score]}|#{item[:st_score]}"
    - suff = "&chm=tRecency,000000,0,0,13|tRetweets,000000,1,1,13,-1|tAuthority,000000,2,0,13|tFriend+Value,000000,3,1,13"
    %img{ :src => "#{pre+val+suff}", :width => "300", :height => "150", :alt => "" }
  %p
    =item[:content]
  %hr