def filterPlayground(self, request):
"""Filter Playground"""
q = Conference.query()
# field = "city"
# operator = "="
# value = "London"
# f = ndb.query.FilterNode(field, operator, value)
# q = q.filter(f)
q = q.filter(Conference.city == "London")
q = q.filter(Conference.topics == "Medical Innovations")
q = q.filter(Conference.month == 6)
return ConferenceForms(
items=[self._copyConferenceToForm(conf, "") for conf in q])
def filterPlayground(self, request):
"""Filter Playground"""
q = Conference.query()
# field = "city"
# operator = "="
# value = "London"
# f = ndb.query.FilterNode(field, operator, value)
# q = q.filter(f)
q = q.filter(Conference.city=="London")
q = q.filter(Conference.topics=="Medical Innovations")
q = q.filter(Conference.month==6)
return ConferenceForms(
items=[self._copyConferenceToForm(conf, "") for conf in q]
)
def getConferencesCreated(self, request):
"""Return conferences created by user."""
# make sure user is authed
user = endpoints.get_current_user()
if not user:
raise endpoints.UnauthorizedException('Authorization required')
user_id = getUserId(user)
# create ancestor query for all key matches for this user
confs = Conference.query(ancestor=ndb.Key(Profile, user_id))
prof = ndb.Key(Profile, user_id).get()
# return set of ConferenceForm objects per Conference
return ConferenceForms(
items=[self._copyConferenceToForm(conf, getattr(prof, 'displayName')) for conf in confs]
)
def getConferencesCreated(self, request):
"""Return conferences created by user."""
# make sure user is authed
user = endpoints.get_current_user()
if not user:
raise endpoints.UnauthorizedException('Authorization required')
user_id = getUserId(user)
# create ancestor query for all key matches for this user
confs = Conference.query(ancestor=ndb.Key(Profile, user_id))
prof = ndb.Key(Profile, user_id).get()
# return set of ConferenceForm objects per Conference
return ConferenceForms(items=[
self._copyConferenceToForm(conf, getattr(prof, 'displayName'))
for conf in confs
])
def get_conferences_created(self, request):
"""Return conferences created by user."""
# make sure user is authed
user = endpoints.get_current_user()
if not user:
raise endpoints.UnauthorizedException('Authorization required')
user_id = self.auth.get_user_id(user)
# create ancestor query for all key matches for this user
confs = Conference.query(ancestor=ndb.Key(Profile, user_id))
prof = ndb.Key(Profile, user_id).get()
# return set of ConferenceForm objects per Conference
return ConferenceForms(items=[
self.conference_service.copy_conference_to_form(
ConferenceForm(), conf, prof.displayName) for conf in confs
])
def _getQuery(self, request):
"""Return formatted query from the submitted filters."""
q = Conference.query()
inequality_filter, filters = self._formatFilters(request.filters)
# If exists, sort on inequality filter first
if not inequality_filter:
q = q.order(Conference.name)
else:
q = q.order(ndb.GenericProperty(inequality_filter))
q = q.order(Conference.name)
for filtr in filters:
if filtr["field"] in ["month", "maxAttendees"]:
filtr["value"] = int(filtr["value"])
formatted_query = ndb.query.FilterNode(filtr["field"], filtr["operator"], filtr["value"])
q = q.filter(formatted_query)
return q
def _getQuery(self, request):
"""Return formatted query from the submitted filters."""
q = Conference.query()
inequality_filter, filters = self._formatFilters(request.filters)
# If exists, sort on inequality filter first
if not inequality_filter:
q = q.order(Conference.name)
else:
q = q.order(ndb.GenericProperty(inequality_filter))
q = q.order(Conference.name)
for filtr in filters:
if filtr["field"] in ["month", "maxAttendees"]:
filtr["value"] = int(filtr["value"])
formatted_query = ndb.query.FilterNode(filtr["field"],
filtr["operator"],
filtr["value"])
q = q.filter(formatted_query)
return q
def get_user_id(self, user, id_type="email"):
"""Get a user id from an endpoints user."""
if id_type == "email":
return user.email()
if id_type == "oauth":
# A workaround implementation for getting userid.
auth = os.getenv('HTTP_AUTHORIZATION')
_, token = auth.split()
token_type = 'id_token'
if 'OAUTH_USER_ID' in os.environ:
token_type = 'access_token'
url = ('https://www.googleapis.com/oauth2/v1/tokeninfo?%s=%s' %
(token_type, token))
user = {}
wait = 1
for i in range(3):
resp = urlfetch.fetch(url)
if resp.status_code == 200:
user = json.loads(resp.content)
break
elif resp.status_code == 400 and 'invalid_token' in \
resp.content:
url = (
'https://www.googleapis.com/oauth2/v1/tokeninfo?%s=%s'
% ('access_token', token))
else:
time.sleep(wait)
wait = wait + i
return user.get('user_id', '')
if id_type == "custom":
# implement your own user_id creation and getting algorythm
# this is just a sample that queries datastore for an existing
# profile
# and generates an id if profile does not exist for an email
profile = Conference.query(Conference.mainEmail == user.email())
if profile:
return profile.id()
else:
return str(uuid.uuid1().get_hex())
def _cacheAnnouncement():
"""Create Announcement & assign to memcache; used by
memcache cron job & putAnnouncement().
"""
confs = Conference.query(
ndb.AND(Conference.seatsAvailable <= 5,
Conference.seatsAvailable > 0)).fetch(
projection=[Conference.name])
if confs:
# If there are almost sold out conferences,
# format announcement and set it in memcache
announcement = ANNOUNCEMENT_TPL % (', '.join(conf.name
for conf in confs))
memcache.set(MEMCACHE_ANNOUNCEMENTS_KEY, announcement)
else:
# If there are no sold out conferences,
# delete the memcache announcements entry
announcement = ""
memcache.delete(MEMCACHE_ANNOUNCEMENTS_KEY)
return announcement
def _cacheAnnouncement():
"""Create Announcement & assign to memcache; used by
memcache cron job & putAnnouncement().
"""
confs = Conference.query(ndb.AND(
Conference.seatsAvailable <= 5,
Conference.seatsAvailable > 0)
).fetch(projection=[Conference.name])
if confs:
# If there are almost sold out conferences,
# format announcement and set it in memcache
announcement = ANNOUNCEMENT_TPL % (
', '.join(conf.name for conf in confs))
memcache.set(MEMCACHE_ANNOUNCEMENTS_KEY, announcement)
else:
# If there are no sold out conferences,
# delete the memcache announcements entry
announcement = ""
memcache.delete(MEMCACHE_ANNOUNCEMENTS_KEY)
return announcement