leah / tinytinyurl

A very very simple sinatra app for shortening URLs.

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tinytinyurl / tinytiny.rb
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61e59ced » leah 2009-04-10 first. a tiny url thing. 1 #tinytiny.rb
2 # My first Ruby/Sinatra app, a URL shortener.
3 # by Leah Culver (http://github.com/leah)
4 require 'rubygems'
5 require 'sinatra'
6 require 'sequel'
7
8 # Base36 encoded
9 BASE = 36
10
11 configure do
12 DB = Sequel.sqlite
13 DB.create_table :tinyurls do
14 primary_key :id
15 String :url
16 end
17 end
18
19 get '/' do
20 # Form for entering a fatty URL
21 <<-end_form
22 <h1>Tiny tiny URLs!</h1>
23 <form method='post'>
24 <input type="text" name="url">
25 <input type="submit" value="Make it tiny!">
26 </form>
27 end_form
28 end
29
30 post '/' do
31 # Put the fatty URL in the database and display
32 items = DB[:tinyurls]
33 id = items.insert(:url => params[:url])
34 url = request.url + id.to_s(BASE)
35 "Your tiny tiny url is: <a href='#{url}'>#{url}</a>"
36 end
37
38 get '/:tinyid' do
39 # Resolve the tiny URL
40 items = DB[:tinyurls]
41 id = params[:tinyid].to_i(BASE)
42 url = items.first(:id => id)
43 redirect url[:url]
44 end