From ab8910516841cdf64d258154749a51ae9884f368 Mon Sep 17 00:00:00 2001
From: eleksir <eleksir@exs-elm.ru>
Date: Sat, 11 Dec 2021 13:57:23 +0300
Subject: [PATCH] Add initial redis support

---
 cpanfile                |  1 +
 data/sample_config.json |  8 +++++++-
 lib/RedisLib.pm         | 28 ++++++++++++++++++++++++++++
 lib/TelegramBot.pm      | 25 +++++++++++++++++++++++++
 4 files changed, 61 insertions(+), 1 deletion(-)
 create mode 100644 lib/RedisLib.pm

diff --git a/cpanfile b/cpanfile
index 3abdba5..8d7c0e3 100644
--- a/cpanfile
+++ b/cpanfile
@@ -26,6 +26,7 @@ requires 'Log::Any::For::Std';
 requires 'Math::Random::Secure';
 requires 'Mojo::Base';
 requires 'Mojo::IOLoop';
+requires 'Mojo::Redis'
 requires 'Mojo::UserAgent';
 requires 'Mojo::UserAgent::Cached';
 requires 'String::Random';
diff --git a/data/sample_config.json b/data/sample_config.json
index efc0bf7..ef3edc8 100644
--- a/data/sample_config.json
+++ b/data/sample_config.json
@@ -52,7 +52,7 @@
 
     # Openwatermap plugin.
     "openweathermap" : {
-        "appid" : "md5sum-like_string",
+        "appid" : "md5sum-like_string"
     },
 
     # Stuff for telegram itself.
@@ -70,4 +70,10 @@
 
     # Unprivileged user to run this bot from.
     "user" : "unit",
+
+    "redis_server": "127.0.0.1",
+    "redis_port" : "6379",
+    "redis_channels" : [
+        "telegram"
+    ]
 }
diff --git a/lib/RedisLib.pm b/lib/RedisLib.pm
new file mode 100644
index 0000000..f43de33
--- /dev/null
+++ b/lib/RedisLib.pm
@@ -0,0 +1,28 @@
+package RedisLib;
+
+use 5.018;
+use strict;
+use warnings;
+use utf8;
+use open qw (:std :utf8);
+use Log::Any qw ($log);
+use Data::Dumper;
+
+use version; our $VERSION = qw (1.0);
+use Exporter qw (import);
+our @EXPORT_OK = qw (redisListener);
+
+sub parse_message {
+	my $self = shift;
+	my $m = shift;
+	my $answer = $m;
+	my $send_to = $answer->{from};
+
+	$log->error (Dumper $self);
+
+	return;
+};
+
+1;
+
+# vim: set ft=perl noet ai ts=4 sw=4 sts=4:
diff --git a/lib/TelegramBot.pm b/lib/TelegramBot.pm
index 1455f66..41a25ac 100644
--- a/lib/TelegramBot.pm
+++ b/lib/TelegramBot.pm
@@ -19,6 +19,7 @@ use BotLib::Conf qw (LoadConf);
 use BotLib::Fortune qw (Fortune);
 use BotLib::Karma qw (KarmaSet);
 use BotLib::Util qw (trim fmatch);
+use RedisLib qw (redisListener);
 
 use version; our $VERSION = qw (1.0);
 use Exporter qw (import);
@@ -31,6 +32,7 @@ my $myusername;
 my $myfirst_name;
 my $mylast_name;
 my $myfullname;
+my $redis_mutex;
 
 has token => $c->{telegrambot}->{token};
 
@@ -356,6 +358,28 @@ sub __on_msg {
 	return;
 }
 
+sub __redisListener {
+	return if ($redis_mutex);
+
+	my $redis = Mojo::Redis->new (
+		sprintf 'redis://%s:%s/1', $c->{redis_server}, $c->{redis_port}
+	);
+
+	my $pubsub = $redis->pubsub;
+	my $sub;
+
+	foreach my $channel (@{$c->{redis_channels}}) {
+		$log->info ("Subscribing to $channel");
+
+		$sub->{$channel} = $pubsub->json ($channel)->listen (
+			$channel => sub { \&redis_parse_message->(@_); }
+		);
+	}
+
+	$redis_mutex = 1;
+	return;
+}
+
 # setup our bot
 sub init {
 	my $self = shift;
@@ -369,6 +393,7 @@ sub init {
 	}
 
 	$self->add_listener (\&__on_msg);
+	$self->add_listener (\&__redisListener);
 	$self->add_repeating_task (900, \&__cron);
 	return;
 }