TelegramBot/TelegramBot.pm
2023-11-12 19:31:46 +01:00

284 lines
8.5 KiB
Perl

# Important for switch feature
use v5.32;
use utf8;
use strict;
use warnings;
no warnings qw(experimental);
# core packages
use Encode;
use FindBin;
# CPAN packages
use Cache::FastMmap;
use JSON;
use Log::Log4perl;
use YAML;
# Package name
package TelegramBot;
# Constants and initalisations
Log::Log4perl->init("$FindBin::Bin/log.conf");
my $CACHE = Cache::FastMmap->new(
share_file => '/tmp/telegram_bot',
serializer => 'json',
unlink_on_exit => 0,
expire_time => 86400,
);
sub new {
my ( $Type, %Param ) = @_;
# allocate new hash for object
my $Self = {};
bless( $Self, $Type );
$Self->{LogLevel} = $Param{LogLevel} || 'info';
$Self->{LogObject} = Log::Log4perl->get_logger('TelegramBot');
$Self->{Token} = 'bot5868933096:AAE8Oe-AxU6m_yCWfpqTqwwjERqnRpBGJtE';
$Self->{TelegramURL} = 'https://api.telegram.org';
# load remembered update ids
$Self->{MessageIDs} = YAML::LoadFile("$FindBin::Bin/message_ids.yml");
# whitelist
$Self->{Whitelist} = $Param{Whitelist};
return $Self;
}
=head1 greet
Merely a dummy routine to test the bot's functionallity. Maybe using it for easter eggs or some kind of fun later.
=cut
sub greet {
my ( $Self, %Param ) = @_;
$Self->{LogObject}->info('greet: Initiating greet routine');
if ( !defined $Param{Message} ) {
$Self->{LogObject}->error('greet: Message not defined!');
return;
}
my @Greetings =
qw(Hallo Gruezi Hello Holá Bonjour Konichiwa Shalom Godmorgen);
my $Greet = $Greetings[ int( rand(7) ) ] || '';
$Self->{LogObject}->debug( 'Random Greet is ' . $Greet );
my $ReturnContent =
$Greet . ', '
. ( $Param{Message}->{chat}->{first_name}
? $Param{Message}->{chat}->{first_name}
: $Param{Message}->{chat}->{username} )
. '!';
$Self->{LogObject}->debug( 'ReturnContent is ' . $ReturnContent );
return { text => $ReturnContent, };
}
=head1 build
Sub which is used to offer custom query building to the user by offering a decision tree of options via inline keyboard.
=cut
sub build {
my ( $Self, %Param ) = @_;
use Data::Dumper;
use JSON;
use LWP::Simple::REST qw(POST plain);
my $KeyboardData;
my $KeyboardMessage;
if ( $Param{QueryStep} ) {
if ( $Param{QueryStep} eq 'hist' ) {
# show next selection
}
else {
# for now, testing fallback
my $ResponseResult = plain POST(
join( '/', ( $Self->{TelegramURL}, $Self->{Token}, 'sendMessage' ) ),
{
'chat_id' => $Param{Message}->{callback_query}->{from}->{id},
'reply_to_message_id' => $Param{Message}->{callback_query}->{message}->{message_id},
'text' => "Kommando $Param{QueryStep} erkannt",
}
);
$Self->{LogObject}->info( 'build: Sending result is ' . $ResponseResult );
return {};
}
}
else {
$KeyboardData = {
'inline_keyboard' => [
[
{
'text' => 'Grüßen',
'callback_data' => 'greet'
},
{
'text' => 'Statistik',
'callback_data' => 'statistics'
},
],
],
'resize' => 1,
'single_use' => 1,
'placeholder' => 'test',
};
$KeyboardMessage = "Hallo $Param{Message}->{chat}->{first_name}, über die folgenden Fragen kannst du auswählen, welche Interaktion du ausführen möchtest. Was möchtest du tun?";
}
my $EncodedKeyboard = JSON::encode_json(
$KeyboardData,
);
my $ResponseResult = plain POST(
join( '/', ( $Self->{TelegramURL}, $Self->{Token}, 'sendMessage' ) ),
{
'chat_id' => $Param{Message}->{chat}->{id},
'reply_to_message_id' => $Param{Message}->{id},
'text' => $KeyboardMessage,
'reply_markup' => $EncodedKeyboard,
}
);
$Self->{LogObject}->info( 'build: Sending result is ' . $ResponseResult );
return {};
}
=head1 processMessage
Function which receives a single message and decides what to to based on message content and attributes.
=cut
sub processMessage {
my ( $Self, %Param ) = @_;
use Data::Dumper;
use LWP::Simple::REST qw(POST plain json);
if ( !defined $Param{Message} ) {
$Self->{LogObject}->error('processMessage: Message not defined!');
return;
}
$Self->{LogObject}->info('processMessage: Starting to process message');
$Self->{LogObject}
->info( 'processMessage: Message is ' . Dumper( $Param{Message} ) );
my $ResponseData = {};
if ( defined $Param{Message}->{message} && $Param{Message}->{message}->{text} =~
/\/(?<command>greet|statistics|build)\s?(?<arguments>.*)?/ )
{
my $Message = $Param{Message}->{message};
my $Command = $+{command};
my $ArgumentsString = $+{arguments};
$ResponseData = $Self->$Command(
Message => $Message,
Arguments => $ArgumentsString,
);
if ( !keys $ResponseData->%* ) {
return;
}
}
elsif ( defined $Param{Message}->{callback_query} ) {
$Self->build(
Message => $Param{Message},
QueryStep => $Param{Message}->{callback_query}->{data},
);
}
else {
$Self->{LogObject}
->debug( 'Command not recognized. Data: ' . $Param{Message}->{message}->{text} );
if ( $Self->{Whitelist}->{$Param{Message}->{message}->{from}->{id}} eq 'Sarah'
|| $Self->{Whitelist}->{$Param{Message}->{message}->{from}->{id}} eq 'Stefan' ) {
$ResponseData = $Self->replyLoveQuote( Message => $Param{Message}->{message} );
}
else {
$ResponseData->{text} =
"I'm sorry, "
. ( $Param{Message}->{message}->{chat}->{first_name}
? $Param{Message}->{message}->{chat}->{first_name}
: $Param{Message}->{message}->{chat}->{username} )
. ", I couldn't understand your request. Currently I can process the commands:\n\n\t\/greet\n\t\/statistics driver standings\n\t\/statistics constructor standings";
}
}
my $ResponseResult = plain POST(
join( '/', ( $Self->{TelegramURL}, $Self->{Token}, 'sendMessage' ) ),
{
chat_id => $Param{Message}->{message}->{chat}->{id},
$ResponseData->%*,
}
);
my $Response = JSON::decode_json($ResponseResult);
$Self->{LogObject}
->info( 'processMessage: Answering result is ' . Dumper($Response) );
# mark message as read
my $SeenResult = plain POST(
join( '/', ( $Self->{TelegramURL}, $Self->{Token}, 'readMessageContents' ) ),
{
id => $Param{Message}->{message}->{id},
}
);
}
=head1 fetchMessages
Requesting messages from Telegram API and passing them one by one to processMessage.
=cut
sub fetchMessages {
my ( $Self, %Param ) = @_;
use Data::Dumper;
use LWP::Simple::REST qw(GET json);
my $Method = 'getUpdates';
$Self->{LogObject}->info('fetchMessages: Initiating getUpdates');
my $MessageDataRaw =
json GET( join( '/', ( $Self->{TelegramURL}, $Self->{Token}, $Method ) ), {} );
$Self->{LogObject}
->info( 'fetchMessages: Messages raw are ' . Dumper($MessageDataRaw) );
my @Messages = $MessageDataRaw->{result}->@*;
$Self->{LogObject}
->info( 'fetchMessages: Messages returned are ' . Dumper( \@Messages ) );
MESSAGE:
for my $Message (@Messages) {
if ( !$Self->{Whitelist}{$Message->{message}{from}{id}} ) {
$Self->{LogObject}
->info( 'fetchMessages: User not whitelisted, skipping message ' . Dumper($MessageDataRaw) );
$Self->{MessageIDs}{$Message->{message}{message_id}} = 1;
next MESSAGE;
}
if ($Self->{MessageIDs}{$Message->{message}{message_id}}) {
$Self->{LogObject}->info('fetchMessages: Skipping known message_id');
next MESSAGE;
}
else {
$Self->{LogObject}->info('fetchMessages: Calling processMessage');
$Self->{MessageIDs}{$Message->{message}{message_id}} = 1;
$Self->processMessage( Message => $Message, );
}
}
YAML::DumpFile("$FindBin::Bin/message_ids.yml", $Self->{MessageIDs});
}
1;