From beafa34b547336deeb4cf930ca218943b3adf166 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juhani=20Krekel=C3=A4?= <juhani@krekelä.fi>
Date: Fri, 24 Apr 2020 03:26:16 +0300
Subject: [PATCH] Kellobotti

---
 README.md        | 11 ++++---
 bot.conf.example |  6 ++--
 botcmd.py        | 76 ++++++++++++++++++++++++++++++++++++++++++++++--
 3 files changed, 82 insertions(+), 11 deletions(-)

diff --git a/README.md b/README.md
index b83dcc5..226c10d 100644
--- a/README.md
+++ b/README.md
@@ -1,14 +1,13 @@
 o3-base
 =======
-This project seeks to replace o2-base as an easy python base to build IRC bots
-on. It is not related to the failed oonbotti3 project, but is rather based on
-the IRC bot framework of HynneFlip.
+Posts a Unicode clock emoji corresponding to the current time twice an hour.
 
 Setup
 =====
-Copy `bot.conf.example` to `bot.conf` and run `python3 ircbot.py` to bring up
-the bot skeleton, which can be used as a very quick and dirty IRC client. User
-code goes in `botcmd.py`.
+Copy `bot.conf.example` to `bot.conf` and run `python3 ircbot.py` to bring
+up the bot.
+
+Edit `bot.conf` to configure the bot.
 
 License
 -------
diff --git a/bot.conf.example b/bot.conf.example
index accc678..e52f31f 100644
--- a/bot.conf.example
+++ b/bot.conf.example
@@ -1,7 +1,7 @@
 [server]
 host = irc.freenode.net
 port = 6667
-nick = o3-base
-username = o3-base
-realname = IRC bot based on o3-base
+nick = kellobotti
+username = kellobotti
+realname = Tick tock
 channels = ##ingsoc
diff --git a/botcmd.py b/botcmd.py
index 217ab41..05102c7 100644
--- a/botcmd.py
+++ b/botcmd.py
@@ -1,3 +1,74 @@
+import datetime
+import select
+import threading
+
+import channel
+
+commchan = None
+commchan_lock = threading.Lock()
+
+class Clock(threading.Thread):
+	def __init__(self, irc, commchan):
+		self.irc = irc
+		self.commchan = commchan
+		threading.Thread.__init__(self)
+
+	def send_time(self, hour, half_past):
+		# Convert to 12h clock
+		hour = hour % 12
+		# Deal with the fact that unicode has 1…12
+		if hour == 0: hour = 12
+		clockface = chr(0x1F550 - 1 + hour + (12 if half_past else 0))
+
+		for chan in self.irc.get_channels():
+			self.irc.bot_response(chan, clockface)
+
+	def run(self):
+		poll = select.poll()
+		poll.register(self.commchan, select.POLLIN)
+
+		last_hour = None
+		last_half_past = None
+
+		quit = False
+		while not quit:
+			now = datetime.datetime.now()
+			half_past = now.minute >= 30
+
+			if last_hour != now.hour or last_half_past != half_past:
+				self.send_time(now.hour, half_past)
+				last_hour = now.hour
+				last_half_past = half_past
+
+			# Set poll timeout to when we next need to wake up
+			timeout = ((30 - now.minute % 30) * 60 - now.second) * 1000 - now.microsecond // 1000
+
+			for fd, event in poll.poll(timeout):
+				if fd == self.commchan.fileno():
+					comm = self.commchan.recv()
+					if comm == 'quit':
+						quit = True
+
+		self.commchan.close()
+
+def stop_clock():
+	global commchan, commchan_lock
+	with commchan_lock:
+		if commchan is None:
+			return
+		else:
+			commchan.send('quit')
+			commchan = None
+
+def start_clock(irc):
+	global commchan, commchan_lock
+	with commchan_lock:
+		if commchan is not None:
+			return
+		else:
+			commchan = channel.Channel()
+			Clock(irc, commchan).start()
+
 # initialize(*, config)
 # Called to initialize the IRC bot
 # Runs before even logger is brought up, and blocks further bringup until it's done
@@ -11,14 +82,15 @@ def initialize(*, config):
 # Blocks the bot until it's done, including PING/PONG handling
 # irc is the IRC API object
 def on_connect(*, irc):
-	...
+	stop_clock()
+	start_clock(irc)
 
 # on_quit(*, irc)
 # Called just before IRC bot sends QUIT
 # Blocks the bot until it's done, including PING/PONG handling
 # irc is the IRC API object
 def on_quit(*, irc):
-	...
+	stop_clock()
 
 # handle_message(*, prefix, message, nick, channel, irc)
 # Called for PRIVMSGs.