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lib/Finance/Dogecoin/API.pm  view on Meta::CPAN

use Carp ();

use URI;
use JSON;
use HTTP::Headers;
use LWP::UserAgent;
use LWP::Protocol::https;
use URI::QueryParam;

has 'api_key',  is => 'ro', required => 1;
has 'endpoint', is => 'ro', default  => sub { 'https://www.dogeapi.com/wow/' };
has 'json',     is => 'ro', default  => sub {
    my $j = JSON->new; $j->allow_nonref; $j
};

has 'ua',       is => 'ro', default => sub {
    my $headers = HTTP::Headers->new;
    $headers->header( 'Content-Type' => 'application/json' );
    LWP::UserAgent->new(
        ssl_opts        => { verify_hostname => 1 },
        default_headers => $headers,
    );
};

sub request {
    my ($self, $method, %params) = @_;

    # manually setting the 'a' parameter avoids a weird behavior in LWP::UA
    # which uppercases 'a'--not what the API expects or wants
    my $uri = URI->new( $self->endpoint );
    $uri->query_param( a => $method );

    while (my ($key, $value) = each %params) {
        $uri->query_param( $key => $value );
    }

    my $response = $self->ua->get( $uri );
    my $result   = $self->json->decode( $response->decoded_content );

    Carp::croak( "Bad API call from $method() call" ) if $result eq 'Bad Query';