Solution

cinema/migrations/0002_actor_genre_alter_movie_options_movie_actors_and_more.py

@@ -0,0 +1,64 @@
+# Generated by Django 4.1 on 2024-09-24 14:43
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("cinema", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="Actor",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("first_name", models.CharField(max_length=255)),
+                ("last_name", models.CharField(max_length=255)),
+            ],
+            options={
+                "ordering": ["first_name", "last_name"],
+            },
+        ),
+        migrations.CreateModel(
+            name="Genre",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("name", models.CharField(max_length=255)),
+            ],
+            options={
+                "ordering": ["name"],
+            },
+        ),
+        migrations.AlterModelOptions(
+            name="movie",
+            options={"ordering": ["title"]},
+        ),
+        migrations.AddField(
+            model_name="movie",
+            name="actors",
+            field=models.ManyToManyField(to="cinema.actor"),
+        ),
+        migrations.AddField(
+            model_name="movie",
+            name="genres",
+            field=models.ManyToManyField(to="cinema.genre"),
+        ),
+    ]

cinema/migrations/0003_cinemahall_alter_genre_name.py

@@ -0,0 +1,35 @@
+# Generated by Django 4.1 on 2024-09-24 14:54
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("cinema", "0002_actor_genre_alter_movie_options_movie_actors_and_more"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="CinemaHall",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("name", models.CharField(max_length=255)),
+                ("rows", models.IntegerField()),
+                ("seats_in_row", models.IntegerField()),
+            ],
+        ),
+        migrations.AlterField(
+            model_name="genre",
+            name="name",
+            field=models.CharField(max_length=255, unique=True),
+        ),
+    ]

cinema/models.py

@@ -1,10 +1,45 @@
 from django.db import models
 
 
+class CinemaHall(models.Model):
+    name = models.CharField(max_length=255)
+    rows = models.IntegerField()
+    seats_in_row = models.IntegerField()
+
+    def __str__(self):
+        return f"Hall: {self.name} - {self.rows} seats"
+
+
 class Movie(models.Model):
     title = models.CharField(max_length=255)
     description = models.TextField()
+    actors = models.ManyToManyField("Actor")
+    genres = models.ManyToManyField("Genre")
     duration = models.IntegerField()
 
     def __str__(self):
         return self.title
+
+    class Meta:
+        ordering = ["title"]
+
+
+class Actor(models.Model):
+    first_name = models.CharField(max_length=255)
+    last_name = models.CharField(max_length=255)
+
+    def __str__(self):
+        return f"{self.first_name} {self.last_name}"
+
+    class Meta:
+        ordering = ["first_name", "last_name"]
+
+
+class Genre(models.Model):
+    name = models.CharField(max_length=255, unique=True)
+
+    def __str__(self):
+        return self.name
+
+    class Meta:
+        ordering = ["name"]

cinema/serializers.py

@@ -1,24 +1,64 @@
 from rest_framework import serializers
 
-from cinema.models import Movie
+from cinema.models import (
+    Movie,
+    CinemaHall,
+    Actor,
+    Genre
+)
 
 
 class MovieSerializer(serializers.Serializer):
     id = serializers.IntegerField(read_only=True)
     title = serializers.CharField(max_length=255)
     description = serializers.CharField()
+    actors = serializers.PrimaryKeyRelatedField(
+        queryset=Actor.objects.all(),
+        many=True
+    )
+    genres = serializers.PrimaryKeyRelatedField(
+        queryset=Genre.objects.all(),
+        many=True
+    )
     duration = serializers.IntegerField()
 
     def create(self, validated_data):
-        return Movie.objects.create(**validated_data)
+        actors_data = validated_data.pop("actors", [])
+        genres_data = validated_data.pop("genres", [])
+        movie = Movie.objects.create(**validated_data)
+        movie.actors.set(actors_data)
+        movie.genres.set(genres_data)
+        return movie
 
     def update(self, instance, validated_data):
         instance.title = validated_data.get("title", instance.title)
         instance.description = validated_data.get(
             "description", instance.description
         )
         instance.duration = validated_data.get("duration", instance.duration)
-
+        if "actors" in validated_data:
+            actors_data = validated_data.pop("actors", [])
+            instance.actors.set(actors_data)
+        if "genres" in validated_data:
+            genres_data = validated_data.pop("genres", [])
+            instance.genres.set(genres_data)
         instance.save()
-
         return instance
+
+
+class CinemaHallSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = CinemaHall
+        fields = "__all__"
+
+
+class ActorSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Actor
+        fields = "__all__"
+
+
+class GenreSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Genre
+        fields = "__all__"

cinema/urls.py

@@ -1,10 +1,47 @@
-from django.urls import path
+from django.urls import path, include
+from rest_framework import routers
+
+from cinema.views import (
+    MovieViewSet,
+    GenreList,
+    GenreDetail,
+    ActorList,
+    ActorDetail,
+    CinemaHallViewSet
+
+)
+
+cinema_hall_list = CinemaHallViewSet.as_view(
+    actions={
+        "get": "list",
+        "post": "create",
+    }
+)
+cinema_hall_detail = CinemaHallViewSet.as_view(
+    actions={
+        "get": "retrieve",
+        "put": "update",
+        "patch": "partial_update",
+        "delete": "destroy",
+    }
+)
+
+router = routers.DefaultRouter()
+router.register("movies", MovieViewSet)
 
-from cinema.views import movie_list, movie_detail
 
 urlpatterns = [
-    path("movies/", movie_list, name="movie-list"),
-    path("movies/<int:pk>/", movie_detail, name="movie-detail"),
+    path("", include(router.urls)),
+    path("genres/", GenreList.as_view(), name="genre-list"),
+    path("genres/<int:pk>/", GenreDetail.as_view(), name="genre-detail"),
+    path("actors/", ActorList.as_view(), name="actor-list"),
+    path("actors/<int:pk>/", ActorDetail.as_view(), name="actor-detail"),
+    path("cinema_halls/", cinema_hall_list, name="cinema-hall-list"),
+    path(
+        "cinema_halls/<int:pk>/",
+        cinema_hall_detail,
+        name="cinema-hall-detail"
+    ),
 ]
 
 app_name = "cinema"