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lib/Mojolicious/Plugin/ContextResources.pm  view on Meta::CPAN

package Mojolicious::Plugin::ContextResources;
use Mojo::Base 'Mojolicious::Plugin';
use File::Spec::Functions   qw(catfile);

our $VERSION = '0.02';

# Get current context path
sub _context($) {
    my ($c) = @_;

    my @path;
    my $stash = $c->stash;
    if( $stash->{'controller'} && $stash->{'action'} ) {
        push @path, split m{[/\-]}, $stash->{'controller'};
        push @path, $stash->{'action'};
    } elsif( $stash->{'mojo.captures'}{'template'} ) {
        push @path, $stash->{'mojo.captures'}{'template'};
    }
    return @path;
}

sub register {
    my ($self, $app, $conf) = @_;

    $conf ||= {};

    # Path
    $conf->{home}       //= $app->home;
    $conf->{public}     //= 'public';
    $conf->{js}         //= '/js';
    $conf->{css}        //= '/css';

    $app->helper(url_context_stylesheet => sub {
        my ($c) = @_;

        my @path = _context( $c );
        return undef unless @path;

        my $file = catfile( $conf->{css}, @path ) . '.css';
        my $path = $conf->{home}->rel_file(catfile $conf->{public}, $file);
        return undef unless -f $path;

        return Mojo::URL->new( $file );
    });

    $app->helper(url_context_javascript => sub {
        my ($c) = @_;

        my @path = _context( $c );
        return undef unless @path;

        my $file = catfile( $conf->{js}, @path ) . '.js';
        my $path = $conf->{home}->rel_file(catfile $conf->{public}, $file);
        return undef unless -f $path;

        return Mojo::URL->new( $file );
    });

    $app->helper(stylesheet_context => sub {
        my ($c) = @_;

        my $url = $c->url_context_stylesheet;
        return Mojo::ByteStream->new('') unless $url;

        return Mojo::ByteStream->new( $c->stylesheet( $url ));
    });

    $app->helper(javascript_context => sub {
        my ($c) = @_;

        my $url = $c->url_context_javascript;
        return Mojo::ByteStream->new('') unless $url;

        return Mojo::ByteStream->new( $c->javascript( $url ));