└── tinytiny.rb


/tinytiny.rb:
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 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


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