bornhack-website/src/ircbot/models.py

from django.core.exceptions import ValidationError
from utils.models import CreatedUpdatedModel
from django.db import models
from django.utils import timezone


class OutgoingIrcMessage(CreatedUpdatedModel):
    target = models.CharField(max_length=100)
    message = models.CharField(max_length=200)
    processed = models.BooleanField(default=False)
    timeout = models.DateTimeField()
    expired = models.BooleanField(default=False)

    def __str__(self):
        return "PRIVMSG %s %s (%s)" % (self.target, self.message, 'processed' if self.processed else 'unprocessed')

    def clean(self):
        if not self.pk:
            # this is a new outgoing message being saved
            if self.timeout < timezone.now():
                raise ValidationError({'timeout': 'The timeout can not be in the past'})