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|
package Reaction::UI::CRUDController;
use strict;
use warnings;
use base 'Reaction::UI::Controller';
use Reaction::Class;
use aliased 'Reaction::UI::ViewPort::ListView';
use aliased 'Reaction::UI::ViewPort::ActionForm';
use aliased 'Reaction::UI::ViewPort::ObjectView';
has 'model_name' => (isa => 'Str', is => 'rw', required => 1);
has 'collection_name' => (isa => 'Str', is => 'rw', required => 1);
has action_viewport_map => (isa => 'HashRef', is => 'rw', lazy_build => 1);
has action_viewport_args => (isa => 'HashRef', is => 'rw', lazy_build => 1);
sub _build_action_viewport_map {
return {
list => ListView,
view => ObjectView,
create => ActionForm,
update => ActionForm,
delete => ActionForm,
delete_all => ActionForm,
};
}
sub _build_action_viewport_args {
my $self = shift;
return { list =>
{ action_prototypes =>
[ { label => 'Create', action => sub {
[ '', 'create', $_[1]->req->captures ] } },
{ label => 'Delete all', action => sub {
[ '', 'delete_all', $_[1]->req->captures ] } },
],
Entity =>
{ action_prototypes =>
[ { label => 'View', action => sub {
[ '', 'view', [ @{$_[1]->req->captures}, $_[0]->__id ] ] } },
{ label => 'Edit', action => sub {
[ '', 'update', [ @{$_[1]->req->captures}, $_[0]->__id ] ] } },
{ label => 'Delete', action => sub {
[ '', 'delete', [ @{$_[1]->req->captures}, $_[0]->__id ] ] } },
],
},
},
};
}
sub base :Action :CaptureArgs(0) {
my ($self, $c) = @_;
}
#XXX candidate for futre optimization
sub get_collection {
my ($self, $c) = @_;
my $model = $c->model( $self->model_name );
my $attr = $model->meta->find_attribute_by_name( $self->collection_name );
my $reader = $attr->get_read_method;
return $model->$reader;
}
sub get_model_action {
my ($self, $c, $name, $target) = @_;
if ($target->can('action_for')) {
return $target->action_for($name, ctx => $c);
}
#can we please kill this already?
my $model_name = "Action::${name}".$self->model_name;
my $model = $c->model($model_name);
confess "no such Model $model_name" unless $model;
return $model->new(target_model => $target, ctx => $c);
}
sub list :Chained('base') :PathPart('') :Args(0) {
my ($self, $c) = @_;
$self->push_viewport(
$self->action_viewport_map->{list},
%{ $self->action_viewport_args->{list} || {} },
collection => $self->get_collection($c)
);
}
sub create :Chained('base') :PathPart('create') :Args(0) {
my ($self, $c) = @_;
my $action = $self->get_model_action($c, 'Create', $self->get_collection($c));
$self->push_viewport
(
$self->action_viewport_map->{create},
%{ $self->action_viewport_args->{create} || {} },
action => $action,
next_action => 'list',
on_apply_callback => sub { $self->after_create_callback($c => @_); },
);
}
sub delete_all :Chained('base') :PathPart('delete_all') :Args(0) {
my ($self, $c) = @_;
my $action = $self->get_model_action($c, 'DeleteAll', $self->get_collection($c));
$self->push_viewport
(
$self->action_viewport_map->{delete_all},
%{ $self->action_viewport_args->{delete_all} || {} },
action => $action,
next_action => 'list',
);
}
sub after_create_callback {
my ($self, $c, $vp, $result) = @_;
return $self->redirect_to
( $c, 'update', [ @{$c->req->captures}, $result->id ] );
}
sub object :Chained('base') :PathPart('id') :CaptureArgs(1) {
my ($self, $c, $key) = @_;
my $object :Stashed = $self->get_collection($c)->find($key);
confess "Object? what object?" unless $object; # should be a 404.
}
sub update :Chained('object') :Args(0) {
my ($self, $c) = @_;
my $object :Stashed;
my $action = $self->get_model_action($c, 'Update', $object);
my @cap = @{$c->req->captures};
pop(@cap); # object id
$self->push_viewport
(
$self->action_viewport_map->{update},
%{ $self->action_viewport_args->{update} || {} },
action => $action,
next_action => [ $self, 'redirect_to', 'list', \@cap ]
);
}
sub delete :Chained('object') :Args(0) {
my ($self, $c) = @_;
my $object :Stashed;
my $action = $self->get_model_action($c, 'Delete', $object);
my @cap = @{$c->req->captures};
pop(@cap); # object id
$self->push_viewport
(
$self->action_viewport_map->{delete},
%{ $self->action_viewport_args->{delete} || {} },
action => $action,
next_action => [ $self, 'redirect_to', 'list', \@cap ]
);
}
sub view :Chained('object') :Args(0) {
my ($self, $c) = @_;
my $object :Stashed;
my @cap = @{$c->req->captures};
pop(@cap); # object id
$self->push_viewport
(
$self->action_viewport_map->{view},
%{ $self->action_viewport_args->{view} || {} },
object => $object,
);
}
1;
|
