def is_flight_attendant_ssn_avaliable(flight_attendant_ssn):
all_flight_attendants = DataAPI.get_all_flight_attendants()
for flight_attendant in all_flight_attendants:
if flight_attendant.get_ssn() == flight_attendant_ssn:
return
return True
def get_flight_attendant(ssn):
'''Returns a flight_attendant with the given ssn,
if no flight_attendant has the given ssn None is returned'''
all_flight_attendants = DataAPI.get_all_flight_attendants()
for flight_attendant in all_flight_attendants:
if flight_attendant.get_ssn() == ssn:
return flight_attendant
return None
def get_available_flight_attendants(schedule_tuple):
all_flight_attendants = DataAPI.get_all_flight_attendants()
available_flight_attendants = set()
for flight_attendant in all_flight_attendants:
voyages = FlightAttendantLogic.get_all_flight_attendant_voyages(flight_attendant)
if not voyages:
available_flight_attendants.add(flight_attendant)
else:
for voyage in voyages:
voyage_schedule = voyage.get_schedule()
if schedule_tuple[0] > voyage_schedule[1] or schedule_tuple[1] < voyage_schedule[0]:
available_flight_attendants.add(flight_attendant)
return FlightAttendantLogic.__sort_list_by_name(list(available_flight_attendants))
def get_all_flight_attendants():
return FlightAttendantLogic.__sort_list_by_name(DataAPI.get_all_flight_attendants())