def _copyConferenceToForm(self, conf, displayName):
"""Copy relevant fields from Conference to ConferenceForm."""
cf = ConferenceForm()
for field in cf.all_fields():
if hasattr(conf, field.name):
# convert Date to date string; just copy others
if field.name.endswith('Date'):
setattr(cf, field.name, str(getattr(conf, field.name)))
else:
setattr(cf, field.name, getattr(conf, field.name))
elif field.name == "websafeKey":
setattr(cf, field.name, conf.key.urlsafe())
if displayName:
setattr(cf, 'organizerDisplayName', displayName)
cf.check_initialized()
return cf
def _copyConferenceToForm(self, conf, displayName):
"""Copy relevant fields from Conference to ConferenceForm.
Args: conf: conference entity
displayName: Name of conference
Returns: Conference Form
"""
# Establish empty conference form
cf = ConferenceForm()
# For every field in the form
for field in cf.all_fields():
# If the Conference entitry has the field name as a property
if hasattr(conf, field.name):
# convert Date to date string; just copy others
if field.name.endswith('Date'):
setattr(cf, field.name, str(getattr(conf, field.name)))
else:
# Assign the form field to the value in the entity property
setattr(cf, field.name, getattr(conf, field.name))
# Special handling for the websafeKey field
elif field.name == "websafeKey":
# Assign the field from the conference key
setattr(cf, field.name, conf.key.urlsafe())
# Assign the displayName to the form from the function arg if exists
if displayName:
setattr(cf, 'organizerDisplayName', displayName)
# Check that all required fields are present
cf.check_initialized()
return cf
def _copyConferenceToForm(self, conf, displayName):
cf = ConferenceForm()
for field in cf.all_fields():
if hasattr(conf, field.name):
if(field.name.startsWith("Date")):
setattr(cf, field.name, str(getattr(conf, field.name)))
else:
setattr(cf, field.name, getattr(conf, field.name))
elif field.name == "websafeKey":
setattr(cf, field.name, conf.key.urlsafe())
if displayName:
setattr(cf, 'organizerDisplayName', displayName)
cf.check_initialized()
return cf
def _copyConferenceToForm(self, conf, displayName):
cf = ConferenceForm()
for field in cf.all_fields():
if hasattr(conf, field.name):
if field.name.endswith('Date'):
setattr(cf, field.name, str(getattr(conf, field.name)))
else:
setattr(cf, field.name, getattr(conf, field.name))
elif field.name == "websafeKey":
setattr(cf, field.name, conf.key.urlsafe())
if displayName:
setattr(cf, 'organizerDisplayName', displayName)
cf.check_initialized()
return cf
def toConferenceForm(self, conf=None, displayName=None):
"""Copy relevant fields from Conference to ConferenceForm."""
cf = ConferenceForm()
if conf:
for field in cf.all_fields():
if hasattr(conf, field.name):
# convert Date to date string; just copy others
if field.name.endswith("Date"):
setattr(cf, field.name, str(getattr(conf, field.name)))
else:
setattr(cf, field.name, getattr(conf, field.name))
elif field.name == "websafeConferenceKey" and hasattr(conf, "key"):
setattr(cf, field.name, conf.key.urlsafe())
if displayName:
setattr(cf, "organizerDisplayName", displayName)
cf.check_initialized()
return cf
def populateApp(self, request):
"""Populate and reutrn conference"""
confs = [ConferenceForm( name= u'aa', description= u'Uno', topics= [u'Medical Innovations'], city= u'Chicago',
maxAttendees= 10, startDate= u'2016-11-25T05:00:00.000Z', endDate= u'2016-12-03T05:00:00.000Z'),
ConferenceForm( name= u'bb', description= u'Dos', topics= [u'Programming Languages'], city= u'London',
maxAttendees= 20, startDate= u'2016-10-15T05:00:00.000Z', endDate= u'2016-10-03T05:00:00.000Z'),
ConferenceForm( name= u'cc', description= u'Tres', topics= [u'Web Technologies'], city= u'Paris',
maxAttendees= 30, startDate= u'2016-10-15T05:00:00.000Z', endDate= u'2016-10-25T05:00:00.000Z'),
ConferenceForm( name= u'dd', description= u'Cuatro', topics= [u'Movie Making'], city= u'Tokyo',
maxAttendees= 40, startDate= u'2016-10-31T05:00:00.000Z', endDate= u'2016-11-05T05:00:00.000Z'),
ConferenceForm( name= u'ee', description= u'Cinco', topics= [u'Health and Nutrition'], city= u'Chicago',
maxAttendees= 50, startDate= u'2016-11-15T05:00:00.000Z', endDate= u'2016-12-03T05:00:00.000Z'),
ConferenceForm( name= u'ff', description= u'Seis', topics= [u'Medical Innovations', u'Movie Making'], city= u'London',
maxAttendees= 60, startDate= u'2016-11-28T05:00:00.000Z', endDate= u'2016-12-05T05:00:00.000Z'),
ConferenceForm( name= u'gg', description= u'Siete', topics= [u'Health and Nutrition', u'Programming Languages'], city= u'Paris',
maxAttendees= 70, startDate= u'2016-12-08T05:00:00.000Z', endDate= u'2016-12-25T05:00:00.000Z')
]
for conf in confs:
self._createConferenceObject(conf)
conferences = Conference.query()
# return set of ConferenceForm objects per Conference
return ConferenceForms(
items=[self._copyConferenceToForm(conf, None) for conf in conferences]
)
def _copyConferenceToForm(self, conf, displayName):
""" Copy relevant fields from Conference to ConferenceForm.
Set the origanizer using the displayName.
"""
# create an empty conference form
cf = ConferenceForm()
# fill in the values
for field in cf.all_fields():
if hasattr(conf, field.name):
# convert Date to date string; just copy others
if field.name.endswith("Date"):
setattr(cf, field.name, str(getattr(conf, field.name)))
else:
setattr(cf, field.name, getattr(conf, field.name))
elif field.name == "websafeKey":
setattr(cf, field.name, conf.key.urlsafe())
if displayName:
setattr(cf, "organizerDisplayName", displayName)
cf.check_initialized()
return cf
def _copyConferenceToForm(self, conf, displayName):
# create a new ConferenceForm object
cf = ConferenceForm()
for field in cf.all_fields():
if hasattr(conf, field.name):
# convert Date to date string; just copy others
if field.name.endswith('Date'):
# set cf."field.name" equal to string of conf."field.name"
setattr(cf, field.name, str(getattr(conf, field.name)))
else:
# set cf."field.name" equal to conf."field.name"
setattr(cf, field.name, getattr(conf, field.name))
elif field.name == "websafeKey":
setattr(cf, field.name, conf.key.urlsafe())
if displayName:
setattr(cf, 'organizerDisplayName', displayName)
# check if all required fields are initialized
# returns ValidationError if not
cf.check_initialized()
return cf
def _copyConferenceToForm(self, conference, displayName):
"""Copy relevant fields from Conference to ConferenceForm"""
conferenceForm = ConferenceForm()
for field in conferenceForm.all_fields():
logging.debug("field name is: "+field.name)
if hasattr(conference, field.name):
# convert Date to date string: just copy others
if field.name.endswith('Date'):
setattr(conferenceForm, field.name, str(getattr(conference, field.name)))
else:
setattr(conferenceForm, field.name, getattr(conference, field.name))
elif field.name == "webSafeKey":
setattr(conferenceForm, field.name, conference.key.urlsafe())
if displayName:
setattr(conferenceForm, "organizerDisplayName", displayName)
logging.info( "conferenceForm is: " )
logging.info( conferenceForm )
conferenceForm.check_initialized()
return conferenceForm
def filterPlayground(self, request):
q = Conference.query()
# 1: city equals to London
q = q.filter(Conference.city == "London")
# 2: topic equals "medical Innovations"
q = q.filter(Conference.topic == "Medical Innovations")
# 3: order by conference
q = q.order(Conference.name)
# 4: filter for big conference
q = q.filter(Conference.maxAttendees > 1000)
return ConferenceForm(
iterms=[self._copyConferenceToForm(conf, "") for conf in q])
