def add_event(request):
# Ideally, the server should know about valid events and be able to present a list
# and schema for each kind. Then it validates when the human submits an event.
# For now, we just hardcode this
try:
event_json = json.loads(request.POST["event"])
recipient = request.POST["recipient"]
session = DBSession()
# Add the event and flush it so we can get a reliable primary key
event = Event.from_json(event_json)
session.add(event)
session.flush()
# Create a new command
command = PullQueueEvent(event, recipient)
session.add(command)
session.flush()
transaction.commit()
return {u"status": u"ok"}
except Exception, e:
session.rollback()
return {u"error": unicode(e)}
def client_poll(request):
try:
recipient = unicode(request.matchdict["recipient"].strip())
# Get all events for this recipient and display as a newline delimited list
session = DBSession()
query_results = session.query(PullQueueEvent, Event).filter(
and_(
PullQueueEvent.recipient == recipient,
PullQueueEvent.event_created == Event.created,
PullQueueEvent.event_sender == Event.sender,
))
results = query_results.all()
# Save to a list
def format(result):
qe, e = result
return "%s:%s" % (e.type, e.data)
out = u"total:%i\n%s" % (len(results), "\n".join(
[format(result) for result in results]))
# Remove the results
session.query(PullQueueEvent).filter(
PullQueueEvent.recipient == recipient).delete()
transaction.commit()
return out
except Exception, e:
return u"total:0\nerror:%s" % e
def client_post(request):
try:
event_json = json.loads(request.POST["event"])
event = Event.from_json(event_json)
session = DBSession()
session.add(event)
session.flush()
# Run any triggers for this event
triggers.trigger(event.type, event)
transaction.commit()
return {u"status": u"ok"}
except KeyError, e:
return {u"param_missing": unicode(e)}
