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""" |
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byceps.blueprints.seating.service |
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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:Copyright: 2006-2020 Jochen Kupperschmidt |
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:License: Modified BSD, see LICENSE for details. |
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""" |
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from dataclasses import dataclass |
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from itertools import chain |
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from typing import Dict, Iterator, Optional, Sequence |
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from ...services.seating.models.seat import Seat |
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from ...services.seating.transfer.models import SeatID |
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from ...services.ticketing.models.ticket import Ticket as DbTicket |
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from ...services.ticketing.transfer.models import ( |
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TicketCategoryID, |
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TicketCode, |
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TicketID, |
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) |
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from ...services.user import service as user_service |
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from ...services.user.transfer.models import User |
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from ...typing import UserID |
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@dataclass(frozen=True) |
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class ManagedTicket: |
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id: TicketID |
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code: TicketCode |
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category_label: str |
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user: User |
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occupied_seat_label: str |
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@dataclass(frozen=True) |
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class Seat: |
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id: SeatID |
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coord_x: int |
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coord_y: int |
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category_id: TicketCategoryID |
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label: str |
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type_: str |
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ticket: ManagedTicket |
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def get_users( |
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seats: Sequence[Seat], managed_tickets: Sequence[DbTicket] |
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) -> Dict[UserID, User]: |
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seat_tickets = _get_seat_tickets(seats) |
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tickets = chain(seat_tickets, managed_tickets) |
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return _get_ticket_users_by_id(tickets) |
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def _get_seat_tickets(seats: Sequence[Seat]) -> Iterator[DbTicket]: |
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for seat in seats: |
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if seat.has_user: |
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yield seat.occupied_by_ticket |
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def _get_ticket_users_by_id(tickets: Sequence[DbTicket]) -> Dict[UserID, User]: |
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user_ids = set(_get_ticket_user_ids(tickets)) |
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users = user_service.find_users(user_ids, include_avatars=True) |
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return user_service.index_users_by_id(users) |
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def _get_ticket_user_ids(tickets: Sequence[DbTicket]) -> Iterator[UserID]: |
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for ticket in tickets: |
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user_id = ticket.used_by_id |
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if user_id is not None: |
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yield user_id |
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def get_seats( |
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seats: Sequence[Seat], users_by_id: Dict[UserID, User] |
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) -> Iterator[Seat]: |
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for seat in seats: |
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if seat.is_occupied: |
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ticket = seat.occupied_by_ticket |
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user = _find_ticket_user(ticket, users_by_id) |
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managed_ticket = ManagedTicket( |
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ticket.id, ticket.code, ticket.category.title, user, None |
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) |
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else: |
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managed_ticket = None |
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yield Seat( |
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seat.id, |
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seat.coord_x, |
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seat.coord_y, |
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seat.category_id, |
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seat.label, |
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seat.type_, |
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managed_ticket, |
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) |
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def get_managed_tickets( |
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managed_tickets: Sequence[DbTicket], users_by_id: Dict[UserID, User] |
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) -> Iterator[ManagedTicket]: |
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for ticket in managed_tickets: |
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user = _find_ticket_user(ticket, users_by_id) |
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if ticket.occupied_seat_id is not None: |
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seat_label = ticket.occupied_seat.label |
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else: |
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seat_label = None |
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yield ManagedTicket( |
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ticket.id, ticket.code, ticket.category.title, user, seat_label |
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) |
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def _find_ticket_user( |
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ticket: DbTicket, users_by_id: Dict[UserID, User] |
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) -> Optional[User]: |
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if ticket.used_by_id is None: |
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return None |
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return users_by_id[ticket.used_by_id] |
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byceps /
byceps
