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Dancer::Plugin::REST | ||
=pod | ||
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A Dancer plugin to transform your Dancer app in a RESTful | ||
webservice. | ||
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=head1 SYNOPSYS | ||
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package MyWebService; | ||
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use Dancer2; | ||
use Dancer2::Plugin::REST; | ||
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prepare_serializer_for_format; | ||
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get '/user/:id.:format' => sub { | ||
User->find(params->{id}); | ||
}; | ||
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get qr{^/user/(?<id>\d+)\.(?<format>\w+)} => sub { | ||
User->find(captures->{id}); | ||
}; | ||
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# curl http://mywebservice/user/42.json | ||
{ "id": 42, "name": "John Foo", email: "john.foo@example.com"} | ||
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# curl http://mywebservice/user/42.yml | ||
-- | ||
id: 42 | ||
name: "John Foo" | ||
email: "john.foo@example.com" | ||
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=head1 DESCRIPTION | ||
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This plugin helps you write a RESTful webservice with Dancer2. | ||
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=head1 CONFIGURATION | ||
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=head2 serializers | ||
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The default format serializer hash which maps a given C<:format> to | ||
a C<Dancer2::Serializer::*> serializer. Unless overriden in the | ||
configuration, it defaults to: | ||
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serializers: | ||
json: JSON | ||
yml: YAML | ||
dump: Dumper | ||
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=head1 KEYWORDS | ||
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=head2 prepare_serializer_for_format | ||
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When this pragma is used, a before filter is set by the plugin to automatically | ||
change the serializer when a format is detected in the URI. | ||
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That means that each route you define with a B<:format> param or captures token | ||
will trigger a serializer definition, if the format is known. | ||
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This lets you define all the REST actions you like as regular Dancer2 route | ||
handlers, without explicitly handling the outgoing data format. | ||
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Regexp routes will use the file-extension from captures->{'format'} to determine | ||
the serialization format. | ||
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=head2 resource | ||
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This keyword lets you declare a resource your application will handle. | ||
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resource user => | ||
get => sub { # return user where id = params->{id} }, | ||
create => sub { # create a new user with params->{user} }, | ||
delete => sub { # delete user where id = params->{id} }, | ||
update => sub { # update user with params->{user} }; | ||
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# this defines the following routes: | ||
# GET /user/:id | ||
# GET /user/:id.:format | ||
# POST /user | ||
# POST /user.:format | ||
# DELETE /user/:id | ||
# DELETE /user/:id.:format | ||
# PUT /user/:id | ||
# PUT /user/:id.:format | ||
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=head2 helpers | ||
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Some helpers are available. This helper will set an appropriate HTTP status for you. | ||
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=head3 status_ok | ||
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status_ok({users => {...}}); | ||
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Set the HTTP status to 200 | ||
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=head3 status_created | ||
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status_created({users => {...}}); | ||
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Set the HTTP status to 201 | ||
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=head3 status_accepted | ||
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status_accepted({users => {...}}); | ||
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Set the HTTP status to 202 | ||
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=head3 status_bad_request | ||
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status_bad_request("user foo can't be found"); | ||
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Set the HTTP status to 400. This function as for argument a scalar that will be used under the key B<error>. | ||
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=head3 status_not_found | ||
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status_not_found("users doesn't exists"); | ||
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Set the HTTP status to 404. This function as for argument a scalar that will be used under the key B<error>. | ||
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=head1 LICENCE | ||
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This module is released under the same terms as Perl itself. | ||
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=head1 AUTHORS | ||
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This module has been written by Alexis Sukrieh C<< <sukria@sukria.net> >> and Franck | ||
Cuny. | ||
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=head1 SEE ALSO | ||
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L<Dancer2> L<http://en.wikipedia.org/wiki/Representational_State_Transfer> | ||
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