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108 lines
3.6 KiB
108 lines
3.6 KiB
import datetime
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import re
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import string
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from apscheduler.triggers.date import DateTrigger
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from edmond.plugin import Plugin
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class ReminderPlugin(Plugin):
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"""Reminders using an async scheduler."""
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REQUIRED_CONFIGS = [
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"commands", "at_word", "in_word", "day_letter", "hour_letter",
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"minute_letter", "second_letter", "reminder_format", "done"
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]
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def on_pubmsg(self, event):
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if not self.should_handle_command(event.arguments[0]):
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return False
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target = event.target
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words = self.command.content.split()
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if len(words) < 3:
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self.bot.log_e("Not enough words in command.")
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self.signal_failure(event.target)
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return True
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mode = words[0]
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if mode not in (self.config["at_word"], self.config["in_word"]):
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self.bot.log_e("Invalid reminder mode.")
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self.signal_failure(event.target)
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return True
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time = self.parse_time(words[1])
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if not time:
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self.bot.log_e("Invalid time format.")
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self.signal_failure(event.target)
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return True
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sender = event.source.nick
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reminder = " ".join(words[2:])
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self.setup_reminder(mode, time, reminder, sender, target)
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return True
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# self.bot.scheduler.add_job(, 'cron', hour='1', minute='52')
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def parse_time(self, time: str) -> dict[str, int] | None:
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"""Parse a time request string.
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Return a dict with day/hour/minute/second set as integers if specified.
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"""
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time_re = re.compile(
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r"((?P<day>\d+)" + self.config["day_letter"] + ")?"
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r"((?P<hour>\d+)" + self.config["hour_letter"] + ")?"
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r"((?P<minute>\d+)" + self.config["minute_letter"] + ")?"
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r"((?P<second>\d+)" + self.config["second_letter"] + ")?"
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)
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# People tend to use formats such as "1h30", omitting the "m" for
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# minutes. If the time ends without a marker, add the minute letter.
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if time[-1] in string.digits:
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time += self.config["minute_letter"]
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if (match := time_re.match(time)):
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values = match.groupdict()
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return { k: int(v) for k, v in values.items() if v is not None }
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return None
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def setup_reminder(
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self,
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mode: str,
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time: dict[str, int],
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reminder: str,
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sender: str,
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target: str
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) -> None:
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"""Remind something at a given time."""
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now = datetime.datetime.now()
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if mode == self.config["at_word"]:
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if "day" in time: # "day" is not supported in at mode.
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del time["day"]
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when = now.replace(**time)
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elif mode == self.config["in_word"]:
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time = { k + "s": v for k, v in time.items() } # Use plural names.
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when = now + datetime.timedelta(**time)
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else:
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self.bot.log_e("Invalid reminder mode.")
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self.signal_failure(target)
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return
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if when <= now:
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self.bot.log_e(f"Trigger datetime is in the past: {when}")
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self.signal_failure(target)
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return
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self.bot.scheduler.add_job(
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self.remind,
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trigger=DateTrigger(when),
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args=(reminder, sender, target)
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)
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self.bot.say(target, self.config["done"])
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async def remind(self, reminder: str, username: str, target: str) -> None:
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reminder_format = self.config["reminder_format"]
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message = reminder_format.format(username=username, reminder=reminder)
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self.bot.say(target, message)
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