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package Plack::Middleware::i18n;
use strict;
use warnings;
use Plack::Util;
use Plack::Util::Accessor qw/default_locale/;
use I18N::LangTags;
use I18N::LangTags::Detect;
our $VERSION = '0.01';
use parent 'Plack::Middleware';
sub call {
my ($self, $env) = @_;
my $locale;
if (my $lang = $env->{'HTTP_ACCEPT_LANGUAGE'}) {
$locale = (
split(
'-',
( I18N::LangTags::implicate_supers(
I18N::LangTags::Detect->http_accept_langs($lang)
)
)[0]
)
)[0];
}
else {
$locale = $self->default_locale // 'en';
}
$env->{'psgix.locale'} = $locale;
if (my $session = $env->{'psgix.session'}) {
$session->{locale} = $locale;
}
$self->app->($env);
}
1;
__END__
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