def _createSessionSpeakerObject(self, name, email):
"""Create or update SessionSpeaker object, return its key"""
speaker = SessionSpeaker.query(SessionSpeaker.email == email).get()
if not speaker:
speaker = SessionSpeaker(name=name, email=email)
else:
speaker.name = name
return speaker.put()
def _addFeaturedSpeakerToMemcache(websafeConfKey, speakerEmail):
"""Check if the speaker with specified speaker email can be a featured
speaker. If yes, add this speaker to list of featured speakers in
memcache
Args:
websafeConfKey: conference key
speakerEmail: speaker's email
"""
# Check if conference exists
conference = ndb.Key(urlsafe=websafeConfKey).get()
if not conference:
return
# Check if speaker exists
speaker = SessionSpeaker.query(SessionSpeaker.email == speakerEmail).get()
if not speaker:
return
# Check if that speaker has at least 2 sessions in the conference
sessions = Session.query(Session.speakerEmail == speakerEmail,
ancestor=conference.key)
if sessions.count() < 2:
return
# Add speaker to memcache
featuredSpeakers = memcache.get(MEMCACHE_FEATURED_SPEAKER_KEY)
if not featuredSpeakers:
memcache.set(MEMCACHE_FEATURED_SPEAKER_KEY, [speakerEmail])
else:
if not speakerEmail in featuredSpeakers:
featuredSpeakers.append(speakerEmail)
memcache.set(MEMCACHE_FEATURED_SPEAKER_KEY, featuredSpeakers)
def getFeaturedSpeaker(self, request):
"""Return all featured speakers from Memcache"""
featuredSpeakers = memcache.get(MEMCACHE_FEATURED_SPEAKER_KEY)
speakerForms = []
for speakerEmail in featuredSpeakers:
speaker = SessionSpeaker.query(SessionSpeaker.email == speakerEmail).get()
speakerForm = SpeakerForm()
speakerForm.name = speaker.name
speakerForm.email = speaker.email
speakerForm.check_initialized()
speakerForms.append(speakerForm)
return SpeakerForms(items=speakerForms)
def _copySessionToForm(self, session):
"""Copy relevant fields from Session to SessionForm."""
sf = SessionForm()
for field in sf.all_fields():
if field.name == 'startTime':
sf.startTime = str(session.startTime)
elif hasattr(session, field.name):
setattr(sf, field.name, getattr(session, field.name))
speakerEmail = session.speakerEmail
speaker = SessionSpeaker.query(SessionSpeaker.email == speakerEmail).get()
if not speaker:
sf.speakerName = "Not Found"
sf.speakerEmail = "Not Found"
else:
sf.speakerEmail = speakerEmail
sf.speakerName = speaker.name
sf.websafeConferenceKey = session.key.parent().urlsafe()
sf.websafeSessionKey = session.key.urlsafe()
sf.check_initialized()
return sf