def notify_about_event(instance, notice_type, employers):
subscribers = Student.objects.filter(subscriptions__in=employers)
to_users = list(set(map(lambda n: n.user, subscribers)))
if not instance.is_public:
to_users = filter(lambda u: Invitee.objects.filter(student = u.student, event=instance).exists(), to_users)
# Batch the sending by unique groups of subscriptions.
# This way someone subscribed to A, B, and C gets only one email.
subscribers_by_user = {}
employername_table = {}
for employer in employers:
employername_table[str(employer.id)] = employer.name
for to_user in to_users:
if to_user.student in employer.subscribers.all():
if to_user.id in subscribers_by_user:
subscribers_by_user[to_user.id].append(employer.id)
else:
subscribers_by_user[to_user.id] = [employer.id]
subscription_batches = {}
for userid,employerids in subscribers_by_user.items():
key = ':'.join(map(lambda n: str(n), employerids))
subscription_batches[key] = userid
for key,userids in subscription_batches.items():
employer_names = map(lambda n: employername_table[n], key.split(':'))
has_word = "has" if len(employer_names)==1 else "have"
employer_names = english_join(employer_names)
for to_user in to_users:
notification.send([to_user], notice_type, {
'name': to_user.first_name,
'employer_names': employer_names,
'has_word': has_word,
'event': instance,
})
def notify_about_event(instance, notice_type, employers):
subscribers = Student.objects.filter(subscriptions__in=employers)
to_users = list(set(map(lambda n: n.user, subscribers)))
if not instance.is_public:
to_users = filter(
lambda u: Invitee.objects.filter(student=u.student, event=instance)
.exists(), to_users)
# Batch the sending by unique groups of subscriptions.
# This way someone subscribed to A, B, and C gets only one email.
subscribers_by_user = {}
employername_table = {}
for employer in employers:
employername_table[str(employer.id)] = employer.name
for to_user in to_users:
if to_user.student in employer.subscribers.all():
if to_user.id in subscribers_by_user:
subscribers_by_user[to_user.id].append(employer.id)
else:
subscribers_by_user[to_user.id] = [employer.id]
subscription_batches = {}
for userid, employerids in subscribers_by_user.items():
key = ':'.join(map(lambda n: str(n), employerids))
subscription_batches[key] = userid
for key, userids in subscription_batches.items():
employer_names = map(lambda n: employername_table[n], key.split(':'))
has_word = "has" if len(employer_names) == 1 else "have"
employer_names = english_join(employer_names)
for to_user in to_users:
notification.send(
[to_user], notice_type, {
'name': to_user.first_name,
'employer_names': employer_names,
'has_word': has_word,
'event': instance,
})
def event_cancel(request, id, extra_context=None):
if request.method == "POST":
try:
event = Event.objects.get(id=id)
except Event.DoesNotExist:
raise Http404("Event with id '%s' does not exist." % id)
else:
if not admin_of_event(event, request.user):
raise Http403('You are not allowed to delete this event.')
event.cancelled = True
# Notify RSVPS.
rsvps = map(lambda n: n.student.user,
event.rsvp_set.filter(attending=True))
employers = event.attending_employers.all()
has_word = "has" if len(employers) == 1 else "have"
employer_names = english_join(map(lambda n: n.name, employers))
notification.send(
rsvps, 'cancelled_event', {
'employer_names': employer_names,
'has_word': has_word,
'event': event
})
event.save()
data = {}
if event.is_deadline():
data['type'] = "deadline"
else:
data['type'] = "event"
return HttpResponse(simplejson.dumps(data),
mimetype="application/json")
else:
try:
event = Event.objects.get(id=id)
except Event.DoesNotExist:
raise Http404("Event with id '%s' does not exist." % id)
context = {'event': event}
context.update(extra_context or {})
return context
def event_cancel(request, id, extra_context = None):
if request.method == "POST":
try:
event = Event.objects.get(id=id)
except Event.DoesNotExist:
raise Http404("Event with id '%s' does not exist." % id)
else:
if not admin_of_event(event, request.user):
raise Http403('You are not allowed to delete this event.')
event.cancelled = True
# Notify RSVPS.
rsvps = map(lambda n: n.student.user, event.rsvp_set.filter(attending=True))
employers = event.attending_employers.all()
has_word = "has" if len(employers)==1 else "have"
employer_names = english_join(map(lambda n: n.name, employers))
notification.send(rsvps, 'cancelled_event', {
'employer_names': employer_names,
'has_word': has_word,
'event': event
})
event.save()
data = {}
if event.is_deadline():
data['type'] = "deadline"
else:
data['type'] = "event"
return HttpResponse(simplejson.dumps(data), mimetype="application/json")
else:
try:
event = Event.objects.get(id=id)
except Event.DoesNotExist:
raise Http404("Event with id '%s' does not exist." % id)
context = {'event':event}
context.update(extra_context or {})
return context