|
1
|
|
|
""" |
|
2
|
|
|
byceps.services.seating.seating_area_service |
|
3
|
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
|
4
|
|
|
|
|
5
|
|
|
:Copyright: 2014-2023 Jochen Kupperschmidt |
|
6
|
|
|
:License: Revised BSD (see `LICENSE` file for details) |
|
7
|
|
|
""" |
|
8
|
|
|
|
|
9
|
1 |
|
from typing import Optional |
|
10
|
|
|
|
|
11
|
1 |
|
from sqlalchemy import delete, select |
|
12
|
|
|
|
|
13
|
1 |
|
from ...database import db |
|
14
|
1 |
|
from ...typing import PartyID |
|
15
|
|
|
|
|
16
|
1 |
|
from ..ticketing.dbmodels.ticket import DbTicket |
|
17
|
|
|
|
|
18
|
1 |
|
from .dbmodels.area import DbSeatingArea |
|
19
|
1 |
|
from .dbmodels.seat import DbSeat |
|
20
|
1 |
|
from .models import SeatingArea, SeatingAreaID, SeatUtilization |
|
21
|
|
|
|
|
22
|
|
|
|
|
23
|
1 |
|
def create_area( |
|
24
|
|
|
party_id: PartyID, |
|
25
|
|
|
slug: str, |
|
26
|
|
|
title: str, |
|
27
|
|
|
*, |
|
28
|
|
|
image_filename: Optional[str] = None, |
|
29
|
|
|
image_width: Optional[int] = None, |
|
30
|
|
|
image_height: Optional[int] = None, |
|
31
|
|
|
) -> SeatingArea: |
|
32
|
|
|
"""Create an area.""" |
|
33
|
1 |
|
db_area = DbSeatingArea( |
|
34
|
|
|
party_id, |
|
35
|
|
|
slug, |
|
36
|
|
|
title, |
|
37
|
|
|
image_filename=image_filename, |
|
38
|
|
|
image_width=image_width, |
|
39
|
|
|
image_height=image_height, |
|
40
|
|
|
) |
|
41
|
|
|
|
|
42
|
1 |
|
db.session.add(db_area) |
|
43
|
1 |
|
db.session.commit() |
|
44
|
|
|
|
|
45
|
1 |
|
return _db_entity_to_area(db_area) |
|
46
|
|
|
|
|
47
|
|
|
|
|
48
|
1 |
|
def update_area( |
|
49
|
|
|
area_id: SeatingAreaID, |
|
50
|
|
|
slug: str, |
|
51
|
|
|
title: str, |
|
52
|
|
|
image_filename: Optional[str], |
|
53
|
|
|
image_width: Optional[int], |
|
54
|
|
|
image_height: Optional[int], |
|
55
|
|
|
) -> SeatingArea: |
|
56
|
|
|
"""Update an area.""" |
|
57
|
|
|
db_area = _find_db_area(area_id) |
|
58
|
|
|
|
|
59
|
|
|
if db_area is None: |
|
60
|
|
|
raise ValueError(f'Unknown seating area ID "{area_id}"') |
|
61
|
|
|
|
|
62
|
|
|
db_area.slug = slug |
|
63
|
|
|
db_area.title = title |
|
64
|
|
|
db_area.image_filename = image_filename |
|
65
|
|
|
db_area.image_width = image_width |
|
66
|
|
|
db_area.image_height = image_height |
|
67
|
|
|
|
|
68
|
|
|
db.session.commit() |
|
69
|
|
|
|
|
70
|
|
|
return _db_entity_to_area(db_area) |
|
71
|
|
|
|
|
72
|
|
|
|
|
73
|
1 |
|
def delete_area(area_id: SeatingAreaID) -> None: |
|
74
|
|
|
"""Delete an area.""" |
|
75
|
1 |
|
db.session.execute(delete(DbSeatingArea).filter_by(id=area_id)) |
|
76
|
1 |
|
db.session.commit() |
|
77
|
|
|
|
|
78
|
|
|
|
|
79
|
1 |
|
def count_areas_for_party(party_id: PartyID) -> int: |
|
80
|
|
|
"""Return the number of seating areas for that party.""" |
|
81
|
1 |
|
return db.session.scalar( |
|
82
|
|
|
select(db.func.count(DbSeatingArea.id)).filter_by(party_id=party_id) |
|
83
|
|
|
) |
|
84
|
|
|
|
|
85
|
|
|
|
|
86
|
1 |
|
def find_area(area_id: SeatingAreaID) -> Optional[SeatingArea]: |
|
87
|
|
|
"""Return the area, or `None` if not found.""" |
|
88
|
|
|
db_area = _find_db_area(area_id) |
|
89
|
|
|
|
|
90
|
|
|
if db_area is None: |
|
91
|
|
|
return None |
|
92
|
|
|
|
|
93
|
|
|
return _db_entity_to_area(db_area) |
|
94
|
|
|
|
|
95
|
|
|
|
|
96
|
1 |
|
def _find_db_area(area_id: SeatingAreaID) -> Optional[DbSeatingArea]: |
|
97
|
|
|
return db.session.get(DbSeatingArea, area_id) |
|
98
|
|
|
|
|
99
|
|
|
|
|
100
|
1 |
|
def find_area_for_party_by_slug( |
|
101
|
|
|
party_id: PartyID, slug: str |
|
102
|
|
|
) -> Optional[SeatingArea]: |
|
103
|
|
|
"""Return the area for that party with that slug, or `None` if not found.""" |
|
104
|
|
|
db_area = db.session.scalars( |
|
105
|
|
|
select(DbSeatingArea).filter_by(party_id=party_id).filter_by(slug=slug) |
|
106
|
|
|
).first() |
|
107
|
|
|
|
|
108
|
|
|
if db_area is None: |
|
109
|
|
|
return None |
|
110
|
|
|
|
|
111
|
|
|
return _db_entity_to_area(db_area) |
|
112
|
|
|
|
|
113
|
|
|
|
|
114
|
1 |
|
def get_areas_with_seat_utilization( |
|
115
|
|
|
party_id: PartyID, |
|
116
|
|
|
) -> list[tuple[SeatingArea, SeatUtilization]]: |
|
117
|
|
|
"""Return all areas and their seat utilization for that party.""" |
|
118
|
1 |
|
area = db.aliased(DbSeatingArea) |
|
119
|
|
|
|
|
120
|
1 |
|
subquery_occupied_seat_count = ( |
|
121
|
|
|
select(db.func.count(DbTicket.id)) |
|
122
|
|
|
.filter(DbTicket.revoked == False) # noqa: E712 |
|
123
|
|
|
.filter(DbTicket.occupied_seat_id.is_not(None)) |
|
124
|
|
|
.join(DbSeat) |
|
125
|
|
|
.filter(DbSeat.area_id == area.id) |
|
126
|
|
|
.scalar_subquery() |
|
127
|
|
|
) |
|
128
|
|
|
|
|
129
|
1 |
|
subquery_total_seat_count = ( |
|
130
|
|
|
select(db.func.count(DbSeat.id)) |
|
131
|
|
|
.filter_by(area_id=area.id) |
|
132
|
|
|
.scalar_subquery() |
|
133
|
|
|
) |
|
134
|
|
|
|
|
135
|
1 |
|
rows = db.session.execute( |
|
136
|
|
|
select( |
|
137
|
|
|
area, |
|
138
|
|
|
subquery_occupied_seat_count, |
|
139
|
|
|
subquery_total_seat_count, |
|
140
|
|
|
) |
|
141
|
|
|
.filter(area.party_id == party_id) |
|
142
|
|
|
.group_by(area.id) |
|
143
|
|
|
.order_by(area.title) |
|
144
|
|
|
).all() |
|
145
|
|
|
|
|
146
|
1 |
|
return [ |
|
147
|
|
|
( |
|
148
|
|
|
_db_entity_to_area(db_area), |
|
149
|
|
|
SeatUtilization( |
|
150
|
|
|
occupied=occupied_seat_count, total=total_seat_count |
|
151
|
|
|
), |
|
152
|
|
|
) |
|
153
|
|
|
for db_area, occupied_seat_count, total_seat_count in rows |
|
154
|
|
|
] |
|
155
|
|
|
|
|
156
|
|
|
|
|
157
|
1 |
|
def _db_entity_to_area(db_area: DbSeatingArea) -> SeatingArea: |
|
158
|
1 |
|
return SeatingArea( |
|
159
|
|
|
id=db_area.id, |
|
160
|
|
|
party_id=db_area.party_id, |
|
161
|
|
|
slug=db_area.slug, |
|
162
|
|
|
title=db_area.title, |
|
163
|
|
|
image_filename=db_area.image_filename, |
|
164
|
|
|
image_width=db_area.image_width, |
|
165
|
|
|
image_height=db_area.image_height, |
|
166
|
|
|
) |
|
167
|
|
|
|
byceps /
byceps
