def close_trip(trip_id):
trip = get_trip_by_id(trip_id)
if trip is None:
raise TripNotFoundException(trip_id)
if trip.closed:
return
trip.close()
save_changes(trip)
def get_expenses(trip_id, user_id):
if not trip_exists(trip_id):
raise TripNotFoundException(trip_id)
if not get_user_by_id(user_id):
raise UserNotFoundException(user_id)
return Expense.query.filter_by(trip_id=trip_id).filter_by(
user_id=user_id).all()
def create_expense(expense):
if not trip_exists(expense.trip_id):
raise TripNotFoundException(expense.trip_id)
if not get_user_by_id(expense.user_id):
raise UserNotFoundException(expense.user_id)
save_changes(expense)
return expense
def create_step(step):
if not trip_exists(step.trip_id):
raise TripNotFoundException(step.trip_id)
if not Step.name_min_length <= len(step.name) <= Step.name_max_length:
raise StringLengthOutOfRangeException('Name', Step.name_min_length,
Step.name_max_length)
save_changes(step)
return step
def invite_to_trip(trip_id, user_to_invite_email):
trip = get_trip_by_id(trip_id)
if trip is None:
raise TripNotFoundException(trip_id)
user = get_user_by_email(user_to_invite_email)
if user is None:
raise UserEmailNotFoundException(user_to_invite_email)
trip.users_trips.append(user)
save_changes(trip)
return trip.users_trips
def update_trip_cover_picture(file_id, trip_id):
trip: Trip = get_trip_by_id(trip_id)
if not trip:
raise TripNotFoundException(trip_id)
file: File = get_file(file_id)
if not file:
raise FileNotFoundException()
if trip.picture_path is not None:
delete(trip.picture_path)
trip.picture_path = file.id
save_changes(trip)
def get_messages(trip_id):
if not trip_exists(trip_id):
raise TripNotFoundException(trip_id)
return ChatMessage.query.filter_by(trip_id=trip_id).all()
def user_participates_in_trip(user_id, trip_id):
if not trip_exists(trip_id):
raise TripNotFoundException(trip_id)
return any(user.id == user_id
for user in get_trip_by_id(trip_id).users_trips)
def get_user_steps_participation(user, trip_id):
if not trip_exists(trip_id):
raise TripNotFoundException(trip_id)
return sorted(list(
filter(lambda step: step.trip_id == int(trip_id), user.users_steps)),
key=lambda step: step.start_datetime)
def get_timeline(trip_id):
if not trip_exists(trip_id):
raise TripNotFoundException(trip_id)
return Step.query.filter_by(trip_id=trip_id).order_by(
Step.start_datetime).all()