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Similar to Mojolicious, real-time web framework
Mojolicious, real-time web framework
- 1. mojolicious real-time web framework NPW2012,Stockholm Lars Thegler
- 2. meta I’m not amojolicious expert I will talk about how to start I will talk about what to expect I will hint at how to continue
- 3. agenda Mojolicious::Lite routesand placeholders templates and layouts graduating from ::Lite to Mojolicious proper Mojo as client
- 4. mojolicious - what?who? “real-time web application framework” written by Sebastian Riedel (sri) &c who also wrote Catalyst current core: ams, tempire, mramberg
- 5. timeline first release0.2 2008-09-24 release 1.0 ‘snowflake’ 2010-12-26 release 2.0 ‘leaf fluttering in the wind’ 2011-10-17 release 3.0 ‘rainbow’ 2012-06-25 release 3.46 2012-10-11
- 6. installation no dependencies # cpanm Mojolicious easy curl recipe # curl get.mojolicio.us | sh
- 7. execution builtin (simple, morbo,hypnotoad) nginx apache/mod_proxy, CGI PSGI/plack
- 8. anatomy of a webframework incoming request => dispatcher => action code => outgoing response
- 9. dispatcher small language matching incomingrequest => action code “routes”
- 10. getting started # GET/ get '/' => sub { my $self = shift; $self->render(text => 'Hello'); }; # 200 OK, text/html, Hello
- 11. placeholder # /hello/Lars get '/hello/:name'=> sub { my $self = shift; my $name = $self->param(‘name’); $self->render(text => “Hello $name”); }; # 200 OK, text/html, Hello Lars
- 12. url parameters # /hello/Lars?greet=Hej get'/hello/:name' => sub { my $self = shift; my $name = $self->param(‘name’); my $greet = $self->param(‘greet’); $self->render(text => “$greet $name”); } => ‘greeting’; # 200 OK, text/html, Hej Lars
- 13. placeholders and routes, nextlevel slurpy placeholders wildcard placeholders formats (‘.html’, ‘.txt’) bridging routes conditional routes
- 14. stash nonpresistent data store keepdata for the duration of the request carries data from action code to template with a bunch of reserved keys format, text, template, ... $self->stash(name => ‘Lars’);
- 15. template builtin ‘Embedded Perl’ variablesin templates from stash instantiated as normal values Hello, <%= $name %>
- 16. structures in templates It’s all Perl, so Perl control structures just work: % for my $i (0..3) { ... <%= $i %> ... % }
- 17. inline templates __DATA__ @@ hello.html.ep Hello,World! @@ goodbye.html.ep Goodbye, and thanks!
- 18. template selection explicittemplate name in render() call $self->render(template => ‘hello’); name in stash $self->stash(template => ‘hello’); defaults to name of router get ‘/welcome’ => ‘hello’;
- 19. auto render no needto call render() yourself if you don’t, mojo will do it for you get ‘/’ => ‘index’; __DATA__ @@ index.html.ep
- 20. layouts __DATA__ @@ index.html.ep % layout‘default’ Hello, World! @@ layouts/default.html.ep <html> <head><title>moo</title></head> <body><%= $content %></body> </html>
- 21. templates, next level includes partial templates 404, 500 pages blocks template inheritance ...
- 22. sessions built in data storedin cookies, client-side cookie signed to prevent tampering you can use something else, if you want
- 23. growing out of::Lite inflate inline templates into proper files move routes into application class move action code into controller class testing with Test::Mojo
- 24. but wait, there’smore! Mojo::UserAgent nice web client Mojo::DOM excellent HTML/XML parser ojo for one-liners
- 25.
- 26. thank you :) tagg @ irc taggg @ twitter lars@thegler.dk LTHEGLER@cpan.org lth@FreeBSD.org lars.thegler@teliasonera.com