diff --git a/db/migrations/0002_user_order_alter_movie_actors_alter_movie_genres_and_more.py b/db/migrations/0002_user_order_alter_movie_actors_alter_movie_genres_and_more.py new file mode 100644 index 000000000..4ec8b302c --- /dev/null +++ b/db/migrations/0002_user_order_alter_movie_actors_alter_movie_genres_and_more.py @@ -0,0 +1,95 @@ +# Generated by Django 4.0.2 on 2023-12-12 17:53 + +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 + + +class Migration(migrations.Migration): + + dependencies = [ + ('auth', '0012_alter_user_first_name_max_length'), + ('db', '0001_initial'), + ] + + 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')), + ('groups', 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')), + ('user_permissions', 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')), + ], + 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)), + ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='orders', to=settings.AUTH_USER_MODEL)), + ], + options={ + 'ordering': ['-created_at'], + }, + ), + 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='movie', + name='title', + field=models.CharField(db_index=True, max_length=255), + ), + 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.CreateModel( + name='Ticket', + fields=[ + ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), + ('row', models.IntegerField()), + ('seat', models.IntegerField()), + ('movie_session', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='tickets', to='db.moviesession')), + ('order', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='tickets', to='db.order')), + ], + ), + migrations.AddConstraint( + model_name='ticket', + constraint=models.UniqueConstraint(fields=('row', 'seat', 'movie_session'), name='unique_ticket'), + ), + ] diff --git a/db/models.py b/db/models.py index 2a3359a63..a23a6be45 100644 --- a/db/models.py +++ b/db/models.py @@ -1,5 +1,15 @@ +from django.conf import settings + +from django.contrib.auth.models import AbstractUser + +from django.core.exceptions import ValidationError + from django.db import models +from django.db.models import UniqueConstraint + +from typing import Any + class Genre(models.Model): name = models.CharField(max_length=255, unique=True) @@ -17,7 +27,7 @@ def __str__(self) -> str: class Movie(models.Model): - title = models.CharField(max_length=255) + title = models.CharField(max_length=255, db_index=True) description = models.TextField() actors = models.ManyToManyField(to=Actor, related_name="movies") genres = models.ManyToManyField(to=Genre, related_name="movies") @@ -50,3 +60,76 @@ class MovieSession(models.Model): def __str__(self) -> str: return f"{self.movie.title} {str(self.show_time)}" + + +class Order(models.Model): + created_at = models.DateTimeField(auto_now_add=True) + user = models.ForeignKey( + settings.AUTH_USER_MODEL, + on_delete=models.CASCADE, + related_name="orders" + ) + + class Meta: + ordering = ["-created_at"] + + def __str__(self) -> str: + return str(self.created_at) + + +class Ticket(models.Model): + movie_session = models.ForeignKey( + MovieSession, + on_delete=models.CASCADE, + related_name="tickets" + ) + order = models.ForeignKey( + Order, + on_delete=models.CASCADE, + related_name="tickets" + ) + row = models.IntegerField() + seat = models.IntegerField() + + class Meta: + constraints = [ + UniqueConstraint( + fields=["row", "seat", "movie_session"], + name="unique_ticket") + ] + + def __str__(self) -> str: + return (f"{self.movie_session.movie.title} " + f"{self.movie_session.show_time} " + f"(row: {self.row}, seat: {self.seat})") + + def clean(self) -> None: + if not 1 <= self.row <= self.movie_session.cinema_hall.rows: + raise ValidationError({ + "row": f"row number must be in available range: (1, rows): " + f"(1, {self.movie_session.cinema_hall.rows})" + }) + if not 1 <= self.seat <= self.movie_session.cinema_hall.seats_in_row: + raise ValidationError({ + "seat": f"seat number must be in available range: " + f"(1, seats_in_row): " + f"(1, {self.movie_session.cinema_hall.seats_in_row})" + }) + + def save( + self, + force_insert: bool = False, + force_update: bool = False, + using: Any = None, + update_fields: Any = None + ) -> super: + self.full_clean() + return super(Ticket, self).save( + force_insert, + force_update, + using, + update_fields) + + +class User(AbstractUser): + pass diff --git a/services/movie.py b/services/movie.py index 4d0f63237..22aa28427 100644 --- a/services/movie.py +++ b/services/movie.py @@ -2,13 +2,19 @@ from db.models import Movie +from django.db import transaction + def get_movies( + title: str = None, genres_ids: list[int] = None, actors_ids: list[int] = None, ) -> QuerySet: queryset = Movie.objects.all() + if title: + queryset = queryset.filter(title__icontains=title) + if genres_ids: queryset = queryset.filter(genres__id__in=genres_ids) @@ -22,6 +28,7 @@ def get_movie_by_id(movie_id: int) -> Movie: return Movie.objects.get(id=movie_id) +@transaction.atomic def create_movie( movie_title: str, movie_description: str, @@ -32,8 +39,10 @@ def create_movie( title=movie_title, description=movie_description, ) + if genres_ids: movie.genres.set(genres_ids) + if actors_ids: movie.actors.set(actors_ids) diff --git a/services/movie_session.py b/services/movie_session.py index f326a082e..58c2208cd 100644 --- a/services/movie_session.py +++ b/services/movie_session.py @@ -1,6 +1,6 @@ from django.db.models import QuerySet -from db.models import MovieSession +from db.models import MovieSession, Ticket def create_movie_session( @@ -15,6 +15,7 @@ def create_movie_session( def get_movies_sessions(session_date: str = None) -> QuerySet: queryset = MovieSession.objects.all() + if session_date: queryset = queryset.filter(show_time__date=session_date) return queryset @@ -31,14 +32,27 @@ def update_movie_session( cinema_hall_id: int = None, ) -> None: movie_session = MovieSession.objects.get(id=session_id) + if show_time: movie_session.show_time = show_time + if movie_id: movie_session.movie_id = movie_id + if cinema_hall_id: movie_session.cinema_hall_id = cinema_hall_id + movie_session.save() def delete_movie_session_by_id(session_id: int) -> None: MovieSession.objects.get(id=session_id).delete() + + +def get_taken_seats(movie_session_id: id) -> list[dict]: + movie_session = get_movie_session_by_id(movie_session_id) + + return [ + {"row": ticket.row, "seat": ticket.seat} + for ticket in Ticket.objects.filter(movie_session=movie_session) + ] diff --git a/services/order.py b/services/order.py new file mode 100644 index 000000000..0a7c1f9fc --- /dev/null +++ b/services/order.py @@ -0,0 +1,37 @@ +from django.db import transaction + +from db.models import Order, Ticket, MovieSession + +from django.contrib.auth import get_user_model + + +@transaction.atomic +def create_order( + tickets: list[dict], + username: str, + date: str = None +) -> None: + user = get_user_model().objects.get(username=username) + order = Order.objects.create(user=user) + + if date: + order.created_at = date + order.save() + + for ticket_data in tickets: + Ticket.objects.create( + order=order, + row=ticket_data["row"], + seat=ticket_data["seat"], + movie_session=MovieSession.objects.get( + id=ticket_data["movie_session"] + ) + ) + + +def get_orders(username: str = None) -> Order: + queryset = Order.objects.all() + + if username: + return queryset.filter(user__username=username) + return queryset diff --git a/services/user.py b/services/user.py new file mode 100644 index 000000000..07372ac30 --- /dev/null +++ b/services/user.py @@ -0,0 +1,61 @@ +from django.contrib.auth import get_user_model + +from db.models import User + + +def create_user( + username: str, + password: str, + email: str = None, + first_name: str = None, + last_name: str = None, +) -> None: + user = get_user_model().objects.create_user( + username=username, + ) + + user.set_password(password) + + if email: + user.email = email + + if first_name: + user.first_name = first_name + + if last_name: + user.last_name = last_name + + user.save() + + +def get_user( + user_id: int +) -> User: + return get_user_model().objects.get(id=user_id) + + +def update_user( + user_id: int, + username: str = None, + password: str = None, + email: str = None, + first_name: str = None, + last_name: str = None, +) -> None: + user = get_user(user_id) + parameters = { + "username": username, + "password": password, + "email": email, + "first_name": first_name, + "last_name": last_name + } + + for parameter, value in parameters.items(): + if value: + setattr(user, parameter, value) + + if password: + user.set_password(password) + + user.save() diff --git a/settings.py b/settings.py index f25910b30..f9f0f92fb 100644 --- a/settings.py +++ b/settings.py @@ -25,4 +25,8 @@ INSTALLED_APPS = [ "db", + "django.contrib.auth", + "django.contrib.contenttypes" ] + +AUTH_USER_MODEL = "db.User"