Yokohama.pm in YAPC::Asia 2009 arrival party http://yokohama.pm.org/2009/08/yokohamapm-in-yapcasia-2009-1.html

1. Jiro Nishiguchi( 西口次郎 ) id:spiritloose [email_address] 2009/09/09 Yokohama.pm 出張版 in YAPC::Asia 2009 前夜祭 Schenker a DSL for quickly creating web applications in Perl.

3. http://search.cpan.org/~jiro/

4. Image::ObjectDetect

5. Text::Migemo

6. etc...

7. http://d.hatena.ne.jp/spiritloose/

9. Inspired by Ruby's Sinatra

10. What's Sinatra? # myapp.rb require 'sinatra' get '/' do 'hello, world!' end

11. Schenker package MyApp; use Schenker; get '/' => sub { 'hello, world!'; }; どう見てもパク(ry

13. http://search.cpan.org/dist/Mojo/

14. Dancer

15. http://search.cpan.org/dist/Dancer/

17. -> HTTP::Engine + HTTP::Engine::Middleware

18. (feature Plack + Plack::Middleware)

19. Sinatra

20. -> Rack + Rack::Middleware

21. What's HTTP::Engine? Web Server(Apache, Lighttpd and etc) ↓ HTTP::Engine .= Rack(Ruby) .= WSGI(Python) ↓ Web Application Framework(Catalyst, Rails, Django and etc)

22. SYNOPSIS $ cat > myapp.pl package MyApp; use Schenker; get '/' => sub { 'Hello, world!'; }; $ ./myapp.pl & && firefox http://localhost:4567/

24. No configuration

26. Routing

27. Controller

28. Views

29. No models (use your favorite modules)

30. Command line options ./myapp.pl --help Usage: ./hoge.pl [OPTIONS] -h, --help display this help -H, --host set the host -p, --port=PORT set the port -e, --environment=ENV set the environment -s, --server=SERVER HTTP::Engine interface === snip ===

31. Configuration configure development => sub { set port => 8080; set host => '127.0.0.1'; set server => 'AnyEvent'; enable 'sessions'; disable 'run'; };

32. Routing get '/' => sub {}; post '/' => sub {}; put '/' => sub {}; Delete '/' => sub {}; get '/' => host => 'example.com' => sub {}; get '/' => agent => qr/MobileSafari/ => sub {};

33. Method override <form action=”/” method=”post”> <input type=”hidden” name=”_method” value=”put” /> post '/' => sub {}; put '/' => sub {};

34. Paramaters get '/' => sub { params->{foo}; param('foo'); };

35. Nested paramaters # index.tt <form action=&quot;./&quot; method=&quot;post&quot;> <input type=&quot;text&quot; name=&quot;entry[title]&quot; /> <textarea name=&quot;entry[body]&quot;></textarea> </form> # myapp.pl params->{entry}; # { title => '', body => '' }

36. Path paramaters get '/user/:user' => sub { my $args = shift; &quot;hello, $args->{user}!&quot;; };

37. Encoding set encode => { encode => 'utf-8', decode => 'utf-8' }; get '/user/:name' => sub { my $args = shift; ok utf8::is_utf8($args->{name}); ok utf8::is_utf8(params->{foo}); };

39. Text::MicroTemplate

40. Template-Toolkit tt_options WRAPPER => 'layout.tt'; get '/tt' => sub { tt 'index'; # views/index.tt };

41. In-file Template get '/' => sub { stash name => 'Michael Schenker'; tt 'index'; }; __END__ @@ index hello, [% name %]!

42. TT with PadWalker get '/hello/:name' => sub { my $args = shift; tt 'index'; }; __END__ @@ index hello, [% args.name %]!

43. Text::MicroTemplate get '/mt' => sub { mt 'index' # views/index.mt };

44. Helpers helper foo => sub { &quot;foo$_[0]&quot;; }; get '/' => sub { foo('bar') }; [% foo('bar') %] <?= foo('bar') ?>

45. Before filters Before sub { stash now => DateTime->now; }; get '/' =>sub { stash->{now}; }; [% now %]

46. Functions get '/' => sub { request; # HTTP::Engine::Request response; # HTTP::Engine::Response status 200; body 'hello, world!'; headers 'X-Hoge' => 'hoge'; back; # Referer };

47. Example: Image File get '/qrcode' => sub { my $text = params->{text}; content_type 'image/png'; GD::Barcode::QRcode->new($text)->plot->png; };

48. Example: Send file get '/' => sub { send_file 'image.jpg'; }; get '/' => sub { send_file 'image.jpg', filename => 'image.jpg'; };

49. Halting get '/' => sub { halt; do_something(); # NOTREACHED }; get '/' => sub { redirect 'http://www.yahoo.co.jp/'; do_something(); # NOTREACHED };

50. Error Handling define_error MyError => sub { status 500; tt 'myerror'; }; get '/' => sub { raise MyError; do_something(); # NOTREACHED };

51. Sessions enable 'sessions'; get '/' => sub { session; # HTTP::Session session->get('foo'); session->set(foo => 'bar'); };

53. with DBIx::Class

54. http://github.com/spiritloose/schenker-sample/

55. Runs on CGI, FastCGI, mod_perl, AnyEvent, POE...

56. Includes configuration file (eg: httpd.conf)

58. PSGI, Plack

59. Documentation

60. Extending Schenker

62. http://www.sinatrarb.com/

63. http://d.hatena.ne.jp/spiritloose/