package WebService::TFL::Bus;
use Moo;
use Types::URI 'Uri';
use Type::Utils 'duck_type';
use WebService::TFL::Bus::Response;
use namespace::clean;
has user_agent => (
isa => duck_type(['get']),
is => 'lazy',
);
sub _build_user_agent {
require LWP::UserAgent;
my $ua = LWP::UserAgent->new();
$ua->env_proxy;
return $ua;
}
has uri => (
isa => Uri,
is => 'ro',
coerce => Uri->coercion,
default => 'https://api.tfl.gov.uk/StopPoint/__/Arrivals',
);
has parser => (
is => 'lazy',
builder => sub { JSON->new->utf8 },
);
sub request {
my ($self,$stop_id) = @_;
my $uri = $self->uri->clone;
$uri->path_segments(
map { $_ eq '__' ? $stop_id : $_ } $uri->path_segments
);
my $http_response = $self->user_agent->get($uri);
if ($http_response->is_success) {
my $json = $http_response->content;
return WebService::TFL::Bus::Response->new_from_response(
$self->parser->decode($json)
);
}
else {
die $http_response->status_line;
}
}
1;