Catalyst::Controller::Constraints Catalyst::Controller::Constraints contains Constraint Signatures for Controller Actions.
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Catalyst::Controller::Constraints Tags

Perl module constraint signatures Constraint Signatures Controller Actions

Catalyst::Controller::Constraints Description

Catalyst::Controller::Constraints contains Constraint Signatures for Controller Actions. Catalyst::Controller::Constraints contains Constraint Signatures for Controller Actions.SYNOPSIS package MyApp::Controller::Foo; ... use base qw(Catalyst::Controller::Constraints); __PACKAGE__->config( constraints => { # allow only digits for type 'Integer' Integer => qr/^d+$/, # allow only word chars for type 'Word' Word => sub { /^w+$/ }, # validate user id and inflate to object User => { # check the user id check => sub { my ( $self, $c, $id ) = @_; return $c->is_valid_user_id( $id ); }, # forward to this action if the validation failed on_fail => 'invalid_user', # if value is valid, run it through this filter # afterwards post_filter => sub { my ( $self, $c, $id ) = @_; $c->fetch_user_by_id( $id ); }, } # inheritance HighInteger => { inherit_from => 'Integer', check => sub { $_ > 22 }, }, # collapse multiple arguments MyDate => { # take three integers and return one value takes => 3, gives => 1, # inflate to a datetime object post_filter => sub { my ( $self, $c, $y, $m, $d ) = @_; DateTime->new( year => $y, month => $m, day => $d ); } } } ); # add two integers, just throws exception on constraint failure sub add : Local Args(2) Constraints(Integer a, Integer b) { my ( $self, $c ) = @_; $c->res->body( $_{a} + $_{b} ); } # puts the word into the stash, under the key 'foo' sub stashword : Local Args(1) Constraints( Word foo* ) { } # user_obj ends as a user object in the stash sub view_user : Local Args(1) Constraints( User user_obj* ) { } sub invalid_user : Private { # handle invalid userid } 1;Requirements:· Perl Requirements: · Perl

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