solution

cinema/migrations/0002_actor_cinemahall_genre_movie_actors_movie_genres.py

@@ -0,0 +1,47 @@
+# Generated by Django 4.1 on 2024-12-10 08:32
+
+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)),
+            ],
+        ),
+        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.CreateModel(
+            name='Genre',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, unique=True)),
+            ],
+        ),
+        migrations.AddField(
+            model_name='movie',
+            name='actors',
+            field=models.ManyToManyField(related_name='movies', to='cinema.actor'),
+        ),
+        migrations.AddField(
+            model_name='movie',
+            name='genres',
+            field=models.ManyToManyField(related_name='movies', to='cinema.genre'),
+        ),
+    ]

cinema/models.py

@@ -1,10 +1,36 @@
 from django.db import models
 
 
+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 Genre(models.Model):
+    name = models.CharField(max_length=255, unique=True)
+
+    def __str__(self):
+        return self.name
+
+
+class CinemaHall(models.Model):
+    name = models.CharField(max_length=255)
+    rows = models.IntegerField()
+    seats_in_row = models.IntegerField()
+
+    def __str__(self):
+        return self.name
+
+
 class Movie(models.Model):
     title = models.CharField(max_length=255)
     description = models.TextField()
     duration = models.IntegerField()
+    actors = models.ManyToManyField(Actor, related_name="movies")
+    genres = models.ManyToManyField(Genre, related_name="movies")
 
     def __str__(self):
         return self.title

cinema/serializers.py

@@ -1,24 +1,35 @@
 from rest_framework import serializers
+from cinema.models import Movie, Actor, Genre, CinemaHall
 
-from cinema.models import Movie
 
+class ActorSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Actor
+        fields = ["id", "first_name", "last_name"]
 
-class MovieSerializer(serializers.Serializer):
-    id = serializers.IntegerField(read_only=True)
-    title = serializers.CharField(max_length=255)
-    description = serializers.CharField()
-    duration = serializers.IntegerField()
 
-    def create(self, validated_data):
-        return Movie.objects.create(**validated_data)
+class GenreSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Genre
+        fields = ["id", "name"]
 
-    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)
 
-        instance.save()
+class CinemaHallSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = CinemaHall
+        fields = ["id", "name", "rows", "seats_in_row"]
 
-        return instance
+
+class MovieSerializer(serializers.ModelSerializer):
+    actors = serializers.PrimaryKeyRelatedField(
+        queryset=Actor.objects.all(),
+        many=True
+    )
+    genres = serializers.PrimaryKeyRelatedField(
+        queryset=Genre.objects.all(),
+        many=True
+    )
+
+    class Meta:
+        model = Movie
+        fields = ["id", "title", "description", "duration", "actors", "genres"]

cinema/urls.py

@@ -1,10 +1,24 @@
-from django.urls import path
+from django.urls import path, include
+from rest_framework.routers import DefaultRouter
+from cinema.views import (
+    GenreList,
+    GenreDetail,
+    ActorList,
+    ActorDetail,
+    CinemaHallViewSet,
+    MovieViewSet
+)
 
-from cinema.views import movie_list, movie_detail
+app_name = "cinema"
+
+router = DefaultRouter()
+router.register(r"cinema_halls", CinemaHallViewSet)
+router.register(r"movies", MovieViewSet)
 
 urlpatterns = [
-    path("movies/", movie_list, name="movie-list"),
-    path("movies/<int:pk>/", movie_detail, name="movie-detail"),
+    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("", include(router.urls)),
 ]
-
-app_name = "cinema"

cinema/views.py

@@ -1,45 +1,132 @@
-from rest_framework.decorators import api_view
-from rest_framework.response import Response
+from rest_framework.views import APIView
 from rest_framework import status
+from rest_framework.response import Response
+from rest_framework.generics import GenericAPIView
+from rest_framework.viewsets import ModelViewSet, GenericViewSet
+from rest_framework.mixins import (
+    ListModelMixin,
+    CreateModelMixin,
+    RetrieveModelMixin,
+    UpdateModelMixin,
+    DestroyModelMixin,
+)
 
-from django.shortcuts import get_object_or_404
-
-from cinema.models import Movie
-from cinema.serializers import MovieSerializer
+from cinema.models import Movie, Actor, Genre, CinemaHall
+from cinema.serializers import (
+    MovieSerializer,
+    ActorSerializer,
+    GenreSerializer,
+    CinemaHallSerializer,
+)
 
 
-@api_view(["GET", "POST"])
-def movie_list(request):
-    if request.method == "GET":
-        movies = Movie.objects.all()
-        serializer = MovieSerializer(movies, many=True)
-        return Response(serializer.data, status=status.HTTP_200_OK)
+class GenreList(APIView):
+    def get(self, request):
+        genres = Genre.objects.all()
+        serializer = GenreSerializer(genres, many=True)
+        return Response(serializer.data)
 
-    if request.method == "POST":
-        serializer = MovieSerializer(data=request.data)
+    def post(self, request):
+        serializer = GenreSerializer(data=request.data)
         if serializer.is_valid():
             serializer.save()
             return Response(serializer.data, status=status.HTTP_201_CREATED)
-
         return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
 
 
-@api_view(["GET", "PUT", "DELETE"])
-def movie_detail(request, pk):
-    movie = get_object_or_404(Movie, pk=pk)
+class GenreDetail(APIView):
+    def get(self, request, pk):
+        try:
+            genre = Genre.objects.get(pk=pk)
+        except Genre.DoesNotExist:
+            return Response(
+                {"detail": "Not found."},
+                status=status.HTTP_404_NOT_FOUND
+            )
+        serializer = GenreSerializer(genre)
+        return Response(serializer.data)
 
-    if request.method == "GET":
-        serializer = MovieSerializer(movie)
-        return Response(serializer.data, status=status.HTTP_200_OK)
+    def put(self, request, pk):
+        try:
+            genre = Genre.objects.get(pk=pk)
+        except Genre.DoesNotExist:
+            return Response(
+                {"detail": "Not found."},
+                status=status.HTTP_404_NOT_FOUND
+            )
 
-    if request.method == "PUT":
-        serializer = MovieSerializer(movie, data=request.data)
+        serializer = GenreSerializer(genre, data=request.data)
         if serializer.is_valid():
             serializer.save()
-            return Response(serializer.data, status=status.HTTP_200_OK)
+            return Response(serializer.data)
+        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
 
+    def patch(self, request, pk):
+        genre = Genre.objects.get(pk=pk)
+        serializer = GenreSerializer(genre, data=request.data, partial=True)
+        if serializer.is_valid():
+            serializer.save()
+            return Response(serializer.data)
         return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
 
-    if request.method == "DELETE":
-        movie.delete()
+    def delete(self, request, pk):
+        try:
+            genre = Genre.objects.get(pk=pk)
+        except Genre.DoesNotExist:
+            return Response(
+                {"detail": "Not found."},
+                status=status.HTTP_404_NOT_FOUND
+            )
+
+        genre.delete()
         return Response(status=status.HTTP_204_NO_CONTENT)
+
+
+class ActorList(GenericAPIView, ListModelMixin, CreateModelMixin):
+    queryset = Actor.objects.all()
+    serializer_class = ActorSerializer
+
+    def get(self, request, *args, **kwargs):
+        return self.list(request, *args, **kwargs)
+
+    def post(self, request, *args, **kwargs):
+        return self.create(request, *args, **kwargs)
+
+
+class ActorDetail(
+    GenericAPIView,
+    RetrieveModelMixin,
+    UpdateModelMixin,
+    DestroyModelMixin
+):
+    queryset = Actor.objects.all()
+    serializer_class = ActorSerializer
+
+    def get(self, request, *args, **kwargs):
+        return self.retrieve(request, *args, **kwargs)
+
+    def put(self, request, *args, **kwargs):
+        return self.update(request, *args, **kwargs)
+
+    def patch(self, request, *args, **kwargs):
+        return self.partial_update(request, *args, **kwargs)
+
+    def delete(self, request, *args, **kwargs):
+        return self.destroy(request, *args, **kwargs)
+
+
+class CinemaHallViewSet(
+    GenericViewSet,
+    ListModelMixin,
+    CreateModelMixin,
+    RetrieveModelMixin,
+    UpdateModelMixin,
+    DestroyModelMixin
+):
+    queryset = CinemaHall.objects.all()
+    serializer_class = CinemaHallSerializer
+
+
+class MovieViewSet(ModelViewSet):
+    queryset = Movie.objects.all()
+    serializer_class = MovieSerializer

cinema_service/settings.py

@@ -9,7 +9,8 @@
 For the full list of settings and their values, see
 https://docs.djangoproject.com/en/4.0/ref/settings/
 """
-
+import os
+from dotenv import load_dotenv
 from pathlib import Path
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
@@ -20,14 +21,14 @@
 # See https://docs.djangoproject.com/en/4.0/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = (
-    "django-insecure-ru6ndfka@95_(lysua8yhdjq@vpiqgv3yru4r)q3h4_u8x7dfy"
-)
+load_dotenv(dotenv_path=BASE_DIR / '.env')
+
+SECRET_KEY = os.environ.get('SECRET_KEY')
 
 # SECURITY WARNING: don't run with debug turned on in production!
-DEBUG = True
+DEBUG = False
 
-ALLOWED_HOSTS = []
+ALLOWED_HOSTS = ['localhost', '127.0.0.1']
 
 
 # Application definition

requirements.txt

@@ -5,3 +5,4 @@ flake8-variables-names==0.0.5
 pep8-naming==0.13.2
 django-debug-toolbar==3.2.4
 djangorestframework==3.13.1
+python-dotenv==1.0.1