from __future__ import annotations
from onegov.activity import Activity, Attendee, Booking, Occasion
from onegov.core.security import Secret
from onegov.feriennet import FeriennetApp, _
from onegov.feriennet.forms import PeriodExportForm
from onegov.feriennet.exports.base import FeriennetExport
from onegov.user import User
from sqlalchemy.orm import contains_eager, undefer
from typing import Any, TYPE_CHECKING
if TYPE_CHECKING:
from collections.abc import Iterator
from onegov.activity.models import BookingPeriod
from sqlalchemy.orm import Query, Session
@FeriennetApp.export(
id='buchungen',
form_class=PeriodExportForm,
permission=Secret,
title=_('Wishlist / Bookings'),
explanation=_(
'Exports wishlists or bookings, depending on the '
'current state of the given period.'
),
)
[docs]
class BookingExport(FeriennetExport):
[docs]
def run(
self,
form: PeriodExportForm, # type:ignore[override]
session: Session
) -> Iterator[Iterator[tuple[str, Any]]]:
assert form.selected_period is not None
self.users = {
user.username: user for user in
session.query(User).options(undefer('*'))
}
return self.rows(session, form.selected_period)
[docs]
def query(self, session: Session, period: BookingPeriod) -> Query[Booking]:
q = session.query(Booking)
q = q.filter(Booking.period_id == period.id)
q = q.join(Occasion)
q = q.join(Activity)
q = q.join(Attendee)
q = q.join(User)
q = q.options(undefer('*'))
q = q.options(
contains_eager(Booking.attendee).contains_eager(Attendee.user))
q = q.options(
contains_eager(Booking.occasion).contains_eager(Occasion.activity))
q = q.order_by(
Activity.order,
Occasion.order,
Attendee.name,
User.username,
Booking.priority
)
return q
[docs]
def rows(
self,
session: Session,
period: BookingPeriod
) -> Iterator[Iterator[tuple[str, Any]]]:
for booking in self.query(session, period):
yield ((k, v) for k, v in self.fields(period, booking))
[docs]
def fields(
self,
period: BookingPeriod,
booking: Booking
) -> Iterator[tuple[str, Any]]:
yield from self.booking_fields(booking)
yield from self.activity_fields(booking.occasion.activity)
yield from self.occasion_fields(booking.occasion)
yield from self.attendee_fields(booking.attendee)
yield from self.invoice_attendee_fields(booking.attendee)
yield from self.user_fields(booking.attendee.user)
yield from self.organiser_fields(
self.users[booking.occasion.activity.username])