''' Created on Jan 18, 2012 @author: leifj ''' from celery.task import periodic_task,task from celery.schedules import crontab from meetingtools.apps.sco.models import get_sco from meetingtools.apps.cluster.models import ACCluster from meetingtools.ac import ac_api_client from meetingtools.apps.room.models import Room import iso8601 from django.contrib.auth.models import User from django.core.cache import cache from django.core.exceptions import ObjectDoesNotExist import logging from datetime import datetime,timedelta from lxml import etree from django.db.models import Q from django.contrib.humanize.templatetags import humanize from django.conf import settings from django.core.mail import send_mail def _owner_username(api,acc,sco): logging.debug(sco) key = 'ac:owner:%s/%s' % (acc,sco.get('sco-id')) logging.debug(key) try: name = cache.get(key) if name is None: fid = sco.get('folder-id') if not fid: logging.debug("No folder-id") return None folder_id = int(fid) r = api.request('sco-info',{'sco-id':folder_id},False) if r.status_code() == 'no-data': return None parent = r.et.xpath("//sco")[0] logging.debug("p %s",repr(parent)) logging.debug("r %s",etree.tostring(parent)) if parent: logging.debug("parent: %s" % parent) if parent.findtext('name') == 'User Meetings': name = sco.findtext('name') else: name = _owner_username(api,acc,parent) if name is not None: cache.set(key,name,30) return name except Exception,e: logging.debug(e) return None def _extended_info(api,acc,sco_id): r = api.request('sco-info',{'sco-id':sco_id},False) if r.status_code == 'no-data': return None return r.et,_owner_username(api,acc,r.et.xpath('//sco')[0]) def _import_one_room(acc,api,row): sco_id = int(row.get('sco-id')) last = iso8601.parse_date(row.findtext("date-modified[0]")) room = None try: room = Room.objects.get(deleted_sco__acc=acc,deleted_sco__sco_id=sco_id) if room is not None: return # We hit a room in the process of being cleaned - let it simmer until next pass except ObjectDoesNotExist: pass except Exception,e: logging.debug(e) return try: logging.debug("finding acc=%s,sco_id=%d in our DB" % (acc,sco_id)) room = Room.objects.get(sco__acc=acc,sco__sco_id=sco_id) if room.deleted_sco_id is not None: return # We hit a room in the process of being cleaned - let it simmer until next pass room.trylock() except ObjectDoesNotExist: pass last = last.replace(tzinfo=None) lastupdated = None if room: lastupdated = room.lastupdated.replace(tzinfo=None) # make the compare work - very ugly #logging.debug("last %s" % last) #logging.debug("lastupdated %s" % lastupdated) if not room or lastupdated < last: (r,username) = _extended_info(api, acc, sco_id) logging.debug("found room owned by %s. Time for an update" % username) if username is None: logging.warning("username not found for sco-id=%s while importing" % sco_id) return logging.debug(etree.tostring(row)) logging.debug(etree.tostring(r)) urlpath = row.findtext("url[0]").strip("/") name = row.findtext('name[0]') description = row.findtext('description[0]') date_created = None try: date_created = iso8601.parse_date(row.findtext("date-created[0]")) except Exception: pass folder_sco_id = 0 source_sco_id = 0 def _ior0(elt,a,dflt): str = elt.get(a,None) if str is None or not str: return dflt else: return int(str) for elt in r.findall(".//sco[0]"): folder_sco_id = _ior0(elt,'folder-id',0) source_sco_id = _ior0(elt,'source-sco-id',0) logging.debug("urlpath=%s, name=%s, folder_sco_id=%s, source_sco_id=%s" % (urlpath,name,folder_sco_id,source_sco_id)) if room is None: if folder_sco_id: user,created = User.objects.get_or_create(username=username) if created: user.set_unusable_password() room = Room.objects.create(sco=get_sco(acc,sco_id), creator=user,name=name, description=description, folder_sco=get_sco(acc,folder_sco_id), source_sco=get_sco(acc,source_sco_id), urlpath=urlpath) room.trylock() else: if folder_sco_id: room.folder_sco = get_sco(acc,folder_sco_id) room.source_sco = get_sco(acc,source_sco_id) room.description = description room.urlpath = urlpath if date_created is not None: room.timecreated = date_created if room is not None: room.save() room.unlock() else: if room is not None: room.unlock() def import_acc(acc,since=0): with ac_api_client(acc) as api: r = None if since > 0: then = datetime.now()-timedelta(seconds=since) then = then.replace(microsecond=0) r = api.request('report-bulk-objects',{'filter-type': 'meeting','filter-gt-date-modified': then.isoformat()}) else: r = api.request('report-bulk-objects',{'filter-type': 'meeting'}) for row in r.et.xpath("//row"): try: _import_one_room(acc,api,row) except Exception,ex: logging.error(ex) @periodic_task(run_every=crontab(hour="*", minute="*", day_of_week="*")) def import_all_rooms(): for acc in ACCluster.objects.all(): import_acc(acc,since=3600) def start_user_counts_poll(room,niter): poll_user_counts.apply_async(args=[room],kwargs={'niter': niter}) @task(name='meetingtools.apps.room.tasks.poll_user_counts',rate_limit="10/s") def poll_user_counts(room,niter=0): logging.debug("polling user_counts for room %s" % room.name) with ac_api_client(room.sco.acc) as api: (nusers,nhosts) = api.poll_user_counts(room) if nusers > 0: logging.debug("room occupied by %d users and %d hosts, checking again in 20 ..." % (nusers,nhosts)) poll_user_counts.apply_async(args=[room],kwargs={'niter': 0},countdown=20) elif niter > 0: logging.debug("room empty, will check again in 5 for %d more times ..." % (niter -1)) poll_user_counts.apply_async(args=[room],kwargs={'niter': niter-1},countdown=5) return (nusers,nhosts) # belts and suspenders - we setup polling for active rooms aswell... @periodic_task(run_every=crontab(hour="*", minute="*/5", day_of_week="*")) def import_recent_user_counts(): for acc in ACCluster.objects.all(): with ac_api_client(acc) as api: then = datetime.now()-timedelta(seconds=600) for room in Room.objects.filter((Q(lastupdated__gt=then) | Q(lastvisited__gt=then)) & Q(sco__acc=acc)): api.poll_user_counts(room) # look for sessions that are newer than the one we know about for a room @periodic_task(run_every=crontab(hour="*", minute="*/5", day_of_week="*")) def import_sessions(): for room in Room.objects.all(): with ac_api_client(room.sco.acc) as api: p = {'sco-id': room.sco.sco_id,'sort-date-created': 'asc'} if room.lastvisited is not None: last = room.lastvisited last.replace(microsecond=0) p['filter-gt-date-created'] = last.isoformat() r = api.request('report-meeting-sessions',p) for row in r.et.xpath("//row"): date_created = iso8601.parse_date(row.findtext("date-created")) logging.debug("sco_id=%d lastvisited: %s" % (room.sco.sco_id,date_created)) room.lastvisited = date_created room.save() break #@periodic_task(run_every=crontab(hour="*", minutes="*/5", day_of_week="*")) def import_transactions(): for acc in ACCluster.objects.all(): then = datetime.now() - timedelta(seconds=600) then = then.replace(microsecond=0) with ac_api_client(acc) as api: seen = {} r = api.request('report-bulk-consolidated-transactions',{'filter-type':'meeting','sort-date-created': 'asc','filter-gt-date-created': then.isformat()}) for row in r.et.xpath("//row"): sco_id = row.get('sco-id') logging.debug("last session for sco_id=%d" % sco_id) if not seen.get(sco_id,False): #pick the first session for each room - ie the one last created seen[sco_id] = True try: room = Room.objects.get(sco__acc=acc,sco__sco_id=sco_id) date_created = iso8601.parse_date(row.findtext("date-created")) room.lastvisited = date_created room.save() except ObjectDoesNotExist: pass # we only care about rooms we know about here @task(name="meetingtools.apps.room.tasks.mail") def send_message(user,subject,message): try: p = user.get_profile() if p and p.email: send_mail(subject,message,settings.NOREPLY,[p.email]) else: logging.info("User %s has no email address - email not sent" % user.username) except ObjectDoesNotExist: logging.info("User %s has no profile - email not sent" % user.username) except Exception,exc: logging.error("Error while sending email: \n%s" % exc) send_message.retry(exc=exc) #@periodic_task(run_every=crontab(hour="1", minute="5", day_of_week="*")) def clean_old_rooms(): for acc in ACCluster.objects.all(): then = datetime.now() - timedelta(days=30) then = then.replace(microsecond=0) with ac_api_client(acc) as api: for room in Room.objects.filter(lastvisited__lt=then): logging.debug("room %s was last used %s" % (room.name,humanize.naturalday(room.lastvisited))) send_message.apply_async([room.creator,"You have an unused meetingroom at %s" % acc.name ,"Do you still need %s (%s)?" % (room.name,room.permalink())])