diff options
Diffstat (limited to 'static/talks/ox_yapc_na_2011/slides.vroom')
| -rw-r--r-- | static/talks/ox_yapc_na_2011/slides.vroom | 366 |
1 files changed, 366 insertions, 0 deletions
diff --git a/static/talks/ox_yapc_na_2011/slides.vroom b/static/talks/ox_yapc_na_2011/slides.vroom new file mode 100644 index 0000000..c013537 --- /dev/null +++ b/static/talks/ox_yapc_na_2011/slides.vroom @@ -0,0 +1,366 @@ +---- config +title: OX - The hardest working two letters in Perl +indent: 4 +height: 28 +width: 80 +skip: 0 +vimrc: colorscheme zellner + +---- center + +OX +The hardest working two letters in Perl + +Jesse Luehrs, Infinity Interactive + +http://github.com/stevan/OX/ + +---- + +== history + ++* custom app-specific stuff ++* CGI::Application ++* Catalyst ++* Plack + +---- center + +OX - the web anti-framework + +---- center + +== Stevan + +---- + +== what is OX? + ++* Bread::Board ++* Path::Router ++* Plack ++* EXPERIMENTAL + +---- perl,i4 + +---- include app.psgi + +---- + +Bread::Board ++control your object's construction + +---- + +Bread::Board has containers, containers contain services ++an OX application is a Bread::Board container ++all application objects are services in the container + +---- + +services can depend on other services ++dependencies are resolved first ++passed as constructor parameters to the requested service + +---- + +at minimum, the router and the app coderef itself are services + +---- perl,i4 + +package App; +use OX; + +has model => (is => 'ro', isa => 'Model'); +has view => (is => 'ro', isa => 'View'); +has controller => ( + is => 'ro', + isa => 'Controller', + dependencies => ['model', 'view'], +); + +router as { + route '/' => 'root.index'; + route '/inc' => 'root.inc'; + route '/dec' => 'root.dec'; + route '/reset' => 'root.reset'; + route '/set/:num' => 'root.set', ( + num => { isa => 'Int' }, + ); +}, (root => 'controller'); + +__PACKAGE__->meta->make_immutable; +1; + +---- perl,i4 + +package Controller; +use Moose; + +has view => (is => 'ro', isa => 'View', required => 1); +has model => (is => 'ro', isa => 'Model', required => 1); + +sub index { } +sub inc { my $self = shift; $self->model->inc } +sub dec { my $self = shift; $self->model->dec } +sub reset { my $self = shift; $self->model->reset } +sub set { my $self = shift; $self->model->set($_[1]) } + +around [qw(index inc dec set reset)] => sub { + my $orig = shift; + my $self = shift; + $self->$orig(@_); + return $self->view->render($self->model->count); +}; + +__PACKAGE__->meta->make_immutable; +1; + +---- + +Path::Router ++translate incoming urls into structured data ++also translate structured data into urls + +---- perl,i4 + +route '/set/:num' => 'root.set', ( + num => { isa => 'Int' }, +); + +---- + +/set/23 -> { num => 23 } ++not just the hashref, but also the code to call for this path + +---- + +bidirectional + +---- perl,i4 + +$router->uri_for({num => 23}); # '/set/23' + +---- + +this translation is controlled by OX, and is pluggable ++already seen examples ++route '/' => sub { ... } +route '/' => 'root.index' + +---- perl,i4 + +has root => (is => 'ro', isa => 'Controller'); + +router ['HTTPMethod'] => as { + route '/' => 'root'; +}, (root => 'root'); + +---- + +GET request for '/' will call Controller::get ++POST request for '/' will call Controller::post + +---- + +this is just the sugar layer + +---- perl,i4 + +package App; +use OX; + +sub configure_router { ... } + +---- + +or, you can replace the router entirely + +---- perl,i4 + +router 'My::Custom::Router::Class'; + +---- + +Plack + +---- + +OX applications provide the Plack::Component api ++->prepare_app +->call +->to_app + +---- + +two types of middleware ++deployment (Stacktrace, ReverseProxy) ++app-specific (Session) + +---- + +your application class should be able to declare app-specific middleware + +---- perl,i4 + +router as { + wrap 'Plack::Middleware::Session'; + route '/' => ...; +}; + +---- perl,i4 + +has session_store => ( + is => 'ro', + isa => 'Str', + value => 'File', +); + +router as { + wrap 'Plack::Middleware::Session' => ( + store => 'session_store', + ); + route '/' => ...; +}; + +---- + +again, this is just the sugar layer + +---- perl,i4 + +package App; +use Moose; +extends 'OX::Application'; + +sub configure_router { + ... +} + +sub app_from_router { + ... +} + +---- perl,i4 + +package App; +use Moose; +use Bread::Board; +extends 'OX::Application'; + +sub BUILD { + my $self = shift; + container $self => as { + ... + }; +} + +sub configure_router { + ... +} + +sub app_from_router { + ... +} + +---- + +benefits of OX + +---- + +reuse ++no wrapper classes required + +---- perl,i4 + +package App; +use OX; + +has model => (is => 'ro', isa => 'KiokuX::Model'); +has view => (is => 'ro', isa => 'Template'); + +... + +---- perl,i4 + +package App; +use OX; + +has dsn => (is => 'ro', isa => 'Str', default => 'dbi:sqlite:app.sqlite'); +has root => (is => 'ro', isa => 'Str', default => 'root/templates'); + +has model => ( + is => 'ro', + isa => 'KiokuX::Model', + dependencies => ['dsn'], +); +has view => ( + is => 'ro', + isa => 'Template', + dependencies => { INCLUDE_PATH => 'root' }, +); + +... + +---- + +application classes are decoupled, and can be used independently + +---- perl,i4 + +App->new->model + +---- + +get the model object exactly as it would be initialized within the app ++except without initializing the app ++very useful for standalone scripts + +---- + +App->new(dsn => 'dbi:SQLite::memory:')->to_app + +---- + +override specific bits of the application at initialization time ++makes testing very easy ++simple way to fit in mock objects, or adjust configuration for tests + +---- + +the entire structure is just building on existing technology ++applications can use roles and inheritance ++middleware just works ++components are just normal classes, can be built however you want + +---- + +TODO + +---- + +nested applications need work ++in particular, how can services be shared? + +---- + +bread::board subcontainers ++need a syntax for this + +---- + +more extensible routebuilders ++want a way to let the controller object control the dispatching + +---- + +cleaner underlying foundation ++more ways to customize the router ++more ways to customize the container + +---- center + +Any questions? + +http://github.com/stevan/OX/ |