Add Log plugin

diff --git a/sid/log.py b/sid/log.py
new file mode 100644 (file)
index 0000000..ba216e5
--- /dev/null
+++ b/sid/log.py
@@ -0,0 +1,85 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (C) 2020 kaliko <kaliko@azylum.org>
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, version 3 only.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from datetime import datetime
+from os import fdopen
+from tempfile import mkstemp
+from time import time
+
+from .plugin import Plugin, botcmd
+
+
+class Log(Plugin):
+    """Logs presence.
+    """
+    throttle_ts = int(time())-30
+
+    def __init__(self, bot):
+        Plugin.__init__(self, bot)
+        self.presence = list()
+        bot.add_event_handler("muc::%s::presence" %
+                              self.bot.room, self.log_presence)
+        bot.add_event_handler("muc::%s::got_online" %
+                              self.bot.room, self.log_online)
+        bot.add_event_handler("muc::%s::got_offline" %
+                              self.bot.room, self.log_offline)
+
+    def log_online(self, pres):
+        nick = pres['muc']['nick']
+        self.log.info('got online: %s', nick)
+        self.presence.append((datetime.now(), 'online', nick))
+
+    def log_offline(self, pres):
+        nick = pres['muc']['nick']
+        self.log.info('got offline: %s', nick)
+        self.presence.append((datetime.now(), 'offline', nick))
+
+    def log_presence(self, pres):
+        nick = pres['muc']['nick']
+        self.log.debug('%s: %s', pres['muc']['nick'], pres['type'])
+        self.presence.append((datetime.now(), pres['type'], nick))
+
+    def _format_log(self):
+        log = [f'{d:%Y-%m-%d %H:%M}: {s:12} {n}' for d, s, n in self.presence]
+        return '\n'.join(log)
+
+    @botcmd(hidden=True)
+    def write(self, message, args):
+        """
+        **command** ``!write`` : Write log to file"""
+        delay = int(time()) - Log.throttle_ts
+        if delay < 30:
+            self.log.debug('throttling file creation')
+            self.reply(message, f'wait {30-delay}')
+            return
+        log = self._format_log()
+        mode = {'mode': 'w', 'encoding': 'utf-8'}
+        prefix = self.bot.room.split('@')[0] + '_'
+        tmp = mkstemp(prefix=prefix, text=True)
+        self.log.info('Writing to %s', tmp[1])
+        with fdopen(tmp[0], **mode) as fileo:
+            fileo.writelines(log)
+            Log.throttle_ts = int(time())
+        self.reply(message, tmp[1])
+
+    @botcmd(hidden=True)
+    def dump(self, message, args):
+        """**command**  ``!dump``  : dump log online!"""
+        self.reply(message, self._format_log())
+
+
+# VIM MODLINE
+# vim: ai ts=4 sw=4 sts=4 expandtab