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implemented tickets and orders architecture #829
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# Generated by Django 4.0.2 on 2024-07-26 15:52 | ||
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from django.conf import settings | ||
import django.contrib.auth.models | ||
import django.contrib.auth.validators | ||
from django.db import migrations, models | ||
import django.db.models.deletion | ||
import django.utils.timezone | ||
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class Migration(migrations.Migration): | ||
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dependencies = [ | ||
('auth', '0012_alter_user_first_name_max_length'), | ||
('db', '0001_initial'), | ||
] | ||
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operations = [ | ||
migrations.CreateModel( | ||
name='User', | ||
fields=[ | ||
('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), | ||
('password', models.CharField(max_length=128, verbose_name='password')), | ||
('last_login', models.DateTimeField(blank=True, null=True, verbose_name='last login')), | ||
('is_superuser', models.BooleanField(default=False, help_text='Designates that this user has all permissions without explicitly assigning them.', verbose_name='superuser status')), | ||
('username', models.CharField(error_messages={'unique': 'A user with that username already exists.'}, help_text='Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only.', max_length=150, unique=True, validators=[django.contrib.auth.validators.UnicodeUsernameValidator()], verbose_name='username')), | ||
('first_name', models.CharField(blank=True, max_length=150, verbose_name='first name')), | ||
('last_name', models.CharField(blank=True, max_length=150, verbose_name='last name')), | ||
('email', models.EmailField(blank=True, max_length=254, verbose_name='email address')), | ||
('is_staff', models.BooleanField(default=False, help_text='Designates whether the user can log into this admin site.', verbose_name='staff status')), | ||
('is_active', models.BooleanField(default=True, help_text='Designates whether this user should be treated as active. Unselect this instead of deleting accounts.', verbose_name='active')), | ||
('date_joined', models.DateTimeField(default=django.utils.timezone.now, verbose_name='date joined')), | ||
], | ||
options={ | ||
'verbose_name': 'user', | ||
'verbose_name_plural': 'users', | ||
'abstract': False, | ||
}, | ||
managers=[ | ||
('objects', django.contrib.auth.models.UserManager()), | ||
], | ||
), | ||
migrations.CreateModel( | ||
name='Order', | ||
fields=[ | ||
('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), | ||
('created_at', models.DateTimeField(auto_now_add=True)), | ||
], | ||
options={ | ||
'ordering': ('-created_at',), | ||
}, | ||
), | ||
migrations.CreateModel( | ||
name='Ticket', | ||
fields=[ | ||
('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), | ||
('row', models.IntegerField()), | ||
('seat', models.IntegerField()), | ||
], | ||
), | ||
migrations.AlterField( | ||
model_name='movie', | ||
name='actors', | ||
field=models.ManyToManyField(related_name='movies', to='db.Actor'), | ||
), | ||
migrations.AlterField( | ||
model_name='movie', | ||
name='genres', | ||
field=models.ManyToManyField(related_name='movies', to='db.Genre'), | ||
), | ||
migrations.AlterField( | ||
model_name='moviesession', | ||
name='cinema_hall', | ||
field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='movie_sessions', to='db.cinemahall'), | ||
), | ||
migrations.AlterField( | ||
model_name='moviesession', | ||
name='movie', | ||
field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='movie_sessions', to='db.movie'), | ||
), | ||
migrations.AddIndex( | ||
model_name='movie', | ||
index=models.Index(fields=['title'], name='db_movie_title_5d0841_idx'), | ||
), | ||
migrations.AddField( | ||
model_name='ticket', | ||
name='movie_session', | ||
field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='tickets', to='db.moviesession'), | ||
), | ||
migrations.AddField( | ||
model_name='ticket', | ||
name='order', | ||
field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='tickets', to='db.order'), | ||
), | ||
migrations.AddField( | ||
model_name='order', | ||
name='user', | ||
field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='orders', to=settings.AUTH_USER_MODEL), | ||
), | ||
migrations.AddField( | ||
model_name='user', | ||
name='groups', | ||
field=models.ManyToManyField(blank=True, help_text='The groups this user belongs to. A user will get all permissions granted to each of their groups.', related_name='user_set', related_query_name='user', to='auth.Group', verbose_name='groups'), | ||
), | ||
migrations.AddField( | ||
model_name='user', | ||
name='user_permissions', | ||
field=models.ManyToManyField(blank=True, help_text='Specific permissions for this user.', related_name='user_set', related_query_name='user', to='auth.Permission', verbose_name='user permissions'), | ||
), | ||
migrations.AddConstraint( | ||
model_name='ticket', | ||
constraint=models.UniqueConstraint(fields=('movie_session', 'row', 'seat'), name='unique_movie_session_row_and_seat'), | ||
), | ||
] |
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@@ -1,19 +1,22 @@ | ||
from django.db.models import QuerySet | ||
from django.db.models import F | ||
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from db.models import MovieSession | ||
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def create_movie_session( | ||
movie_show_time: str, movie_id: int, cinema_hall_id: int | ||
) -> MovieSession: | ||
return MovieSession.objects.create( | ||
movie_show_time: str, | ||
movie_id: int, | ||
cinema_hall_id: int | ||
) -> None: | ||
MovieSession.objects.create( | ||
show_time=movie_show_time, | ||
movie_id=movie_id, | ||
cinema_hall_id=cinema_hall_id, | ||
) | ||
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def get_movies_sessions(session_date: str = None) -> QuerySet: | ||
def get_movies_sessions(session_date: str | None = None) -> QuerySet: | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. specify what kind of data this queryset contains |
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queryset = MovieSession.objects.all() | ||
if session_date: | ||
queryset = queryset.filter(show_time__date=session_date) | ||
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@@ -25,10 +28,10 @@ def get_movie_session_by_id(movie_session_id: int) -> MovieSession: | |
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def update_movie_session( | ||
session_id: int, | ||
show_time: str = None, | ||
movie_id: int = None, | ||
cinema_hall_id: int = None, | ||
session_id: int, | ||
show_time: str | None = None, | ||
movie_id: int | None = None, | ||
cinema_hall_id: int | None = None, | ||
) -> None: | ||
movie_session = MovieSession.objects.get(id=session_id) | ||
if show_time: | ||
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@@ -42,3 +45,9 @@ def update_movie_session( | |
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def delete_movie_session_by_id(session_id: int) -> None: | ||
MovieSession.objects.get(id=session_id).delete() | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. follow DRY and use get_movie_sessions |
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def get_taken_seats(movie_session_id: int) -> list[dict]: | ||
return list(MovieSession.objects.filter(pk=movie_session_id) | ||
.prefetch_related("tickets") | ||
.values(row=F("tickets__row"), seat=F("tickets__seat"))) |
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import datetime | ||
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from django.db import transaction | ||
from django.db.models import QuerySet | ||
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from db.models import Order, Ticket | ||
from services.user import get_user_by_username | ||
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def create_order( | ||
tickets: list[dict], | ||
username: str, | ||
date: str = None | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. str or None |
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) -> None: | ||
user = get_user_by_username(username) | ||
with transaction.atomic(): | ||
if date: | ||
date_from_str = datetime.datetime.strptime(date, "%Y-%m-%d %H:%M") | ||
order = Order.objects.create(created_at=date_from_str, user=user) | ||
else: | ||
order = Order.objects.create(user=user) | ||
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for ticket in tickets: | ||
Ticket.objects.create( | ||
row=ticket["row"], | ||
seat=ticket["seat"], | ||
movie_session_id=ticket["movie_session"], | ||
order=order | ||
) | ||
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def get_orders(username: str = None) -> QuerySet[Order]: | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. str or None |
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if username: | ||
return Order.objects.filter(user__username=username) | ||
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return Order.objects.all() |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
specify what kind of data this queryset contains