URL Shorty

app.rb

require "sinatra/base"
require "sinatra/contrib/all"
require "redis"
require "slim"

class App < Sinatra::Base
  register Sinatra::Contrib
  redis = Redis.new
  helpers do
    include Rack::Utils
    alias_method :h, :escape_html
    def random_string(length)
      rand(36**length).to_s(36)
    end
  end

  before do
    # @user = "Kyle Mcgill"
    # puts "before"
  end

  after do
    # puts "after"
  end

  route :get, :post, "/", :provides => [:html, :json] do
    if params[:url] && !params[:url].empty?
      @shortcode = random_string 5
      redis.setnx "links:#{@shortcode}", params[:url]
    end
    respond_with slim :index do |t|
      t.html { slim :index }
      t.json { json({ 
        welcome: "Welcome to sym.ly!", 
        what: "sym.ly is yet another url shortner, for the example below, all that is required is the URL (u), try 'getting' /help for more details",
        whelp: "curl -v -H 'Content-Type: application/json' -X POST -d '{u: google.com, d: \"powered by JSON mwahaha\", r: uir789q, i: 1234, t: 60, p:0}' http://sym.ly/" })
      }
    end
  end

  get "/:shortcode" do
    @url = redis.get "links:#{params[:shortcode]}"
    redirect @url || "/"
  end

  route :get, :post, 404, 500, :provides => [:html, :json] do
    "Your lost"
  end

  
  get '/help', :provides => [:html, :json] do

  end
end