1
|
|
|
""" |
2
|
|
|
byceps.services.ticketing.ticket_seat_management_service |
3
|
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
4
|
|
|
|
5
|
|
|
:Copyright: 2006-2020 Jochen Kupperschmidt |
6
|
|
|
:License: Modified BSD, see LICENSE for details. |
7
|
|
|
""" |
8
|
|
|
|
9
|
1 |
|
from ...database import db |
10
|
1 |
|
from ...typing import UserID |
11
|
|
|
|
12
|
1 |
|
from ..seating.models.seat import Seat as DbSeat |
13
|
1 |
|
from ..seating import seat_service |
14
|
1 |
|
from ..seating.transfer.models import SeatID |
15
|
|
|
|
16
|
1 |
|
from . import event_service |
17
|
1 |
|
from .exceptions import ( |
18
|
|
|
SeatChangeDeniedForBundledTicket, |
19
|
|
|
SeatChangeDeniedForGroupSeat, |
20
|
|
|
TicketCategoryMismatch, |
21
|
|
|
TicketIsRevoked, |
22
|
|
|
) |
23
|
1 |
|
from .models.ticket import Ticket as DbTicket |
24
|
1 |
|
from . import ticket_service |
25
|
1 |
|
from .transfer.models import TicketID |
26
|
|
|
|
27
|
|
|
|
28
|
1 |
|
def appoint_seat_manager( |
29
|
|
|
ticket_id: TicketID, manager_id: UserID, initiator_id: UserID |
30
|
|
|
) -> None: |
31
|
|
|
"""Appoint the user as the ticket's seat manager.""" |
32
|
1 |
|
ticket = _get_ticket(ticket_id) |
33
|
|
|
|
34
|
1 |
|
ticket.seat_managed_by_id = manager_id |
35
|
|
|
|
36
|
1 |
|
event = event_service.build_event( |
37
|
|
|
'seat-manager-appointed', |
38
|
|
|
ticket.id, |
39
|
|
|
{ |
40
|
|
|
'appointed_seat_manager_id': str(manager_id), |
41
|
|
|
'initiator_id': str(initiator_id), |
42
|
|
|
}, |
43
|
|
|
) |
44
|
1 |
|
db.session.add(event) |
45
|
|
|
|
46
|
1 |
|
db.session.commit() |
47
|
|
|
|
48
|
|
|
|
49
|
1 |
|
def withdraw_seat_manager(ticket_id: TicketID, initiator_id: UserID) -> None: |
50
|
|
|
"""Withdraw the ticket's custom seat manager.""" |
51
|
1 |
|
ticket = _get_ticket(ticket_id) |
52
|
|
|
|
53
|
1 |
|
ticket.seat_managed_by_id = None |
54
|
|
|
|
55
|
1 |
|
event = event_service.build_event( |
56
|
|
|
'seat-manager-withdrawn', |
57
|
|
|
ticket.id, |
58
|
|
|
{ |
59
|
|
|
'initiator_id': str(initiator_id), |
60
|
|
|
}, |
61
|
|
|
) |
62
|
1 |
|
db.session.add(event) |
63
|
|
|
|
64
|
1 |
|
db.session.commit() |
65
|
|
|
|
66
|
|
|
|
67
|
1 |
|
def occupy_seat( |
68
|
|
|
ticket_id: TicketID, seat_id: SeatID, initiator_id: UserID |
69
|
|
|
) -> None: |
70
|
|
|
"""Occupy the seat with this ticket.""" |
71
|
1 |
|
ticket = _get_ticket(ticket_id) |
72
|
|
|
|
73
|
1 |
|
_deny_seat_management_if_ticket_belongs_to_bundle(ticket) |
74
|
|
|
|
75
|
1 |
|
seat = seat_service.find_seat(seat_id) |
76
|
1 |
|
if seat is None: |
77
|
1 |
|
raise ValueError('Invalid seat ID') |
78
|
|
|
|
79
|
1 |
|
if seat.category_id != ticket.category_id: |
80
|
1 |
|
raise TicketCategoryMismatch( |
81
|
|
|
'Ticket and seat belong to different categories.' |
82
|
|
|
) |
83
|
|
|
|
84
|
1 |
|
_deny_seat_management_if_seat_belongs_to_group(seat) |
85
|
|
|
|
86
|
1 |
|
previous_seat_id = ticket.occupied_seat_id |
87
|
|
|
|
88
|
1 |
|
ticket.occupied_seat_id = seat.id |
89
|
|
|
|
90
|
1 |
|
event_data = { |
91
|
|
|
'seat_id': str(seat.id), |
92
|
|
|
'initiator_id': str(initiator_id), |
93
|
|
|
} |
94
|
1 |
|
if previous_seat_id is not None: |
95
|
1 |
|
event_data['previous_seat_id'] = str(previous_seat_id) |
96
|
|
|
|
97
|
1 |
|
event = event_service.build_event('seat-occupied', ticket.id, event_data) |
98
|
1 |
|
db.session.add(event) |
99
|
|
|
|
100
|
1 |
|
db.session.commit() |
101
|
|
|
|
102
|
|
|
|
103
|
1 |
|
def release_seat(ticket_id: TicketID, initiator_id: UserID) -> None: |
104
|
|
|
"""Release the seat occupied by this ticket.""" |
105
|
1 |
|
ticket = _get_ticket(ticket_id) |
106
|
|
|
|
107
|
1 |
|
_deny_seat_management_if_ticket_belongs_to_bundle(ticket) |
108
|
|
|
|
109
|
1 |
|
seat = seat_service.find_seat(ticket.occupied_seat_id) |
110
|
1 |
|
if seat is None: |
111
|
|
|
raise ValueError('Ticket does not occupy a seat.') |
112
|
|
|
|
113
|
1 |
|
_deny_seat_management_if_seat_belongs_to_group(seat) |
114
|
|
|
|
115
|
1 |
|
ticket.occupied_seat_id = None |
116
|
|
|
|
117
|
1 |
|
event = event_service.build_event( |
118
|
|
|
'seat-released', |
119
|
|
|
ticket.id, |
120
|
|
|
{ |
121
|
|
|
'seat_id': str(seat.id), |
122
|
|
|
'initiator_id': str(initiator_id), |
123
|
|
|
}, |
124
|
|
|
) |
125
|
1 |
|
db.session.add(event) |
126
|
|
|
|
127
|
1 |
|
db.session.commit() |
128
|
|
|
|
129
|
|
|
|
130
|
1 |
|
def _get_ticket(ticket_id: TicketID) -> DbTicket: |
131
|
|
|
"""Return the ticket with that ID. |
132
|
|
|
|
133
|
|
|
Raise an exception if the ID is unknown or if the ticket has been |
134
|
|
|
revoked. |
135
|
|
|
""" |
136
|
1 |
|
ticket = ticket_service.find_ticket(ticket_id) |
137
|
|
|
|
138
|
1 |
|
if ticket is None: |
139
|
|
|
raise ValueError(f'Unknown ticket ID "{ticket_id}"') |
140
|
|
|
|
141
|
1 |
|
if ticket.revoked: |
142
|
|
|
raise TicketIsRevoked(f'Ticket {ticket_id} has been revoked.') |
143
|
|
|
|
144
|
1 |
|
return ticket |
145
|
|
|
|
146
|
|
|
|
147
|
1 |
|
def _deny_seat_management_if_ticket_belongs_to_bundle(ticket: DbTicket) -> None: |
148
|
|
|
"""Raise an exception if this ticket belongs to a bundle. |
149
|
|
|
|
150
|
|
|
A ticket bundle is meant to occupy a matching seat group with the |
151
|
|
|
appropriate mechanism, not to separately occupy single seats. |
152
|
|
|
""" |
153
|
1 |
|
if ticket.belongs_to_bundle: |
154
|
1 |
|
raise SeatChangeDeniedForBundledTicket( |
155
|
|
|
f"Ticket '{ticket.code}' belongs to a bundle and, thus, " |
156
|
|
|
'must not be used to occupy or release a single seat.' |
157
|
|
|
) |
158
|
|
|
|
159
|
|
|
|
160
|
1 |
|
def _deny_seat_management_if_seat_belongs_to_group(seat: DbSeat) -> None: |
161
|
1 |
|
if seat.assignment is not None: |
162
|
|
|
raise SeatChangeDeniedForGroupSeat( |
163
|
|
|
f"Seat '{seat.label}' belongs to a group and, thus, " |
164
|
|
|
'cannot be occupied by a single ticket, or removed separately.' |
165
|
|
|
) |
166
|
|
|
|