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package TgLib::Api;
use JSON qw<encode_json decode_json>;
use HTTP::Request;
use LWP::UserAgent;
use Data::Dumper;
use parent 'Exporter';
our @EXPORT = qw<new>;
sub new {
my ($class, $token, $logger) = @_;
return bless { uri => "https://api.telegram.org/bot$token",
ua => LWP::UserAgent->new,
logger => $logger }, $class;
}
sub get_updates {
my ($self, $timeout, $offset) = @_;
my $logger = $self->{'logger'};
my $uri = "$self->{'uri'}/getUpdates?timeout=$timeout";
$uri = $uri . "&offset=$offset" if $offset;
my $req = HTTP::Request->new("GET", $uri);
$logger->debug("Request: " . Dumper($req));
my $resp = $self->{'ua'}->request($req);
$logger->debug("Response: " . Dumper($resp));
if ($resp->is_error()) {
die $resp->message;
} else {
my $updates = decode_json($resp->content)->{'result'};
$logger->info(sprintf "Received %d updates from chats %s\n",
scalar(@$updates),
join(", ", map { $_->{'message'}{'chat'}{'id'} } @$updates));
return $updates;
}
}
sub send_message {
my ($self, $chat_id, $text) = @_;
my $logger = $self->{'logger'};
my $uri = "$self->{'uri'}/sendMessage";
my $content = encode_json {'chat_id' => $chat_id, 'text' => $text};
my $req = HTTP::Request->new("POST", $uri,
["Content-Type", "application/json"], $content);
$logger->info("Sending to $chat_id: '$text'\n");
$logger->debug(sprintf "Request:\n%s\n", Dumper($req));
my $resp = $self->{'ua'}->request($req);
$logger->debug(sprintf "Response:\n%s\n", Dumper($resp));
if ($resp->is_error()) {
die $resp->message;
}
}
1;
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