ircbot and notification worker basic functionality works

src/bornhack/environment_settings.py.dist

@@ -55,12 +55,13 @@ TICKET_CATEGORY_NAME='Tickets'
 # schedule settings
 SCHEDULE_MIDNIGHT_OFFSET_HOURS=6
 SCHEDULE_TIMESLOT_LENGTH_MINUTES=30
+SCHEDULE_EVENT_NOTIFICATION_MINUTES=10
 
 # irc bot settings
 IRCBOT_CHECK_MESSAGE_INTERVAL_SECONDS=60
 IRCBOT_NICK='mybot'
-IRCBOT_SCHEDULE_ANNOUNCE_CHANNEL='#test'
-IRCBOT_SERVER_HOSTNAME='ircd.example.com'
+IRCBOT_SCHEDULE_ANNOUNCE_CHANNEL='#something'
+IRCBOT_SERVER_HOSTNAME='irc.example.com'
 IRCBOT_SERVER_PORT=6697
 IRCBOT_SERVER_USETLS=True
 

src/camps/utils.py

@@ -0,0 +1,9 @@
+from camps.models import Camp
+from django.utils import timezone
+
+def get_current_camp():
+    try:
+        return Camp.objects.get(camp__contains=timezone.now())
+    except Camp.DoesNotExist:
+        return False
+

src/program/management/commands/notification_worker.py

@@ -0,0 +1,45 @@
+from django.core.management.base import BaseCommand
+from django.conf import settings
+from django.utils import timezone
+from time import sleep
+import irc3, sys, asyncio
+from ircbot.models import OutgoingIrcMessage
+from camps.utils import get_current_camp
+from django.utils import timezone
+from program.models import EventInstance
+from datetime import timedelta
+
+
+class Command(BaseCommand):
+    args = 'none'
+    help = 'Queue notifications for channels and users for upcoming event instances.'
+
+    def output(self, message):
+        self.stdout.write('%s: %s' % (timezone.now().strftime("%Y-%m-%d %H:%M:%S"), message))
+
+    def handle(self, *args, **options):
+        self.output('Schedule notification worker running...')
+        while True:
+            camp = get_current_camp()
+            if camp:
+                print("working with camp %s" % camp)
+                # a camp is currently going on, check if we need to send out any notifications
+                for ei in EventInstance.objects.filter(
+                    event__camp=camp,
+                    event__event_type__notifications=True,
+                    notifications_sent=False,
+                    when__startswith__lt=timezone.now()+timedelta(minutes=settings.SCHEDULE_EVENT_NOTIFICATION_MINUTES), # start of event is less than X minutes away
+                    when__startswith__gt=timezone.now() # but event has not started yet
+                ):
+                    # this event is less than settings.SCHEDULE_EVENT_NOTIFICATION_MINUTES minutes from starting, queue an IRC notificatio
+                    OutgoingIrcMessage.objects.create(
+                        target=settings.IRCBOT_SCHEDULE_ANNOUNCE_CHANNEL,
+                        message="starting soon: %s" % ei,
+                        timeout=ei.when.lower
+                    )
+                    ei.notifications_sent=True
+                    ei.save()
+
+            # check once per minute
+            sleep(60)
+

src/program/migrations/0017_eventinstance_notifications_sent.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.5 on 2017-02-01 23:18
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('program', '0016_auto_20170131_1849'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='eventinstance',
+            name='notifications_sent',
+            field=models.BooleanField(default=False),
+        ),
+    ]

src/program/migrations/0018_eventtype_notifications.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.5 on 2017-02-02 12:29
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('program', '0017_eventinstance_notifications_sent'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='eventtype',
+            name='notifications',
+            field=models.BooleanField(default=False),
+        ),
+    ]

src/program/models.py

@@ -14,6 +14,7 @@ class EventType(CreatedUpdatedModel):
     slug = models.SlugField()
     color = models.CharField(max_length=50)
     light_text = models.BooleanField(default=False)
+    notifications = models.BooleanField(default=False)
 
     def __str__(self):
         return self.name
@@ -50,6 +51,7 @@ class EventInstance(CreatedUpdatedModel):
     """ An instance of an event """
     event = models.ForeignKey('program.event', related_name='instances')
     when = DateTimeRangeField()
+    notifications_sent = models.BooleanField(default=False)
 
     class Meta:
         ordering = ['when']