Solution

.env.sample

@@ -0,0 +1 @@
+SECRET_KEY="SECRET_KEY"

cinema/admin.py

@@ -1,8 +1,22 @@
 from django.contrib import admin
-
-from cinema.models import Movie
+from cinema.models import Movie, Genre, Actor, CinemaHall
 
 
 @admin.register(Movie)
 class MovieAdmin(admin.ModelAdmin):
     pass
+
+
+@admin.register(Genre)
+class GenreAdmin(admin.ModelAdmin):
+    pass
+
+
+@admin.register(Actor)
+class ActorAdmin(admin.ModelAdmin):
+    pass
+
+
+@admin.register(CinemaHall)
+class CinemaHallAdmin(admin.ModelAdmin):
+    pass

cinema/models.py

@@ -5,6 +5,32 @@ class Movie(models.Model):
     title = models.CharField(max_length=255)
     description = models.TextField()
     duration = models.IntegerField()
+    genres = models.ManyToManyField("Genre", related_name="movies")
+    actors = models.ManyToManyField("Actor", related_name="actors")
 
     def __str__(self):
-        return self.title
+        return f"{self.title} {self.actors.count()} actors"
+
+
+class Genre(models.Model):
+    name = models.CharField(max_length=50, 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 f"{self.name} {self.rows} rows"
+
+
+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}"

cinema/serializers.py

@@ -1,6 +1,5 @@
 from rest_framework import serializers
-
-from cinema.models import Movie
+from cinema.models import Movie, Genre, Actor, CinemaHall
 
 
 class MovieSerializer(serializers.Serializer):
@@ -14,11 +13,57 @@ def create(self, validated_data):
 
     def update(self, instance, validated_data):
         instance.title = validated_data.get("title", instance.title)
-        instance.description = validated_data.get(
-            "description", instance.description
-        )
+        instance.description = validated_data.get("description", instance.description)
         instance.duration = validated_data.get("duration", instance.duration)
 
         instance.save()
 
         return instance
+
+
+class GenreSerializer(serializers.Serializer):
+    id = serializers.IntegerField(read_only=True)
+    name = serializers.CharField(max_length=255)
+
+    def create(self, validated_data):
+        return Genre.objects.create(**validated_data)
+
+    def update(self, instance, validated_data):
+        instance.name = validated_data.get("name", instance.name)
+        instance.save()
+        return instance
+
+
+class ActorSerializer(serializers.Serializer):
+    id = serializers.IntegerField(read_only=True)
+    first_name = serializers.CharField(max_length=255)
+    last_name = serializers.CharField(max_length=255)
+
+    def create(self, validated_data):
+        return Actor.objects.create(**validated_data)
+
+    def update(self, instance, validated_data):
+        instance.first_name = validated_data.get("first_name", instance.first_name)
+        instance.last_name = validated_data.get("last_name", instance.last_name)
+
+        instance.save()
+        return instance
+
+
+class CinemaHallSerializer(serializers.Serializer):
+    id = serializers.IntegerField(read_only=True)
+    name = serializers.CharField(max_length=255)
+    rows = serializers.IntegerField()
+    seats_in_row = serializers.IntegerField()
+
+    def create(self, validated_data):
+        return CinemaHall.objects.create(**validated_data)
+
+    def update(self, instance, validated_data):
+        instance.name = validated_data.get("name", instance.name)
+        instance.row = validated_data.get("row", instance.row)
+        instance.seats_in_row = validated_data.get(
+            "seats_in_row", instance.seats_in_row
+        )
+        instance.save()
+        return instance

cinema/urls.py

@@ -1,10 +1,26 @@
-from django.urls import path
+from django.urls import path, include
+from rest_framework import routers
+from cinema.views import MovieViewSet, GenreList, GenreDetail, CinemaHallViewSet
 
-from cinema.views import movie_list, movie_detail
+router = routers.DefaultRouter()
+router.register("movies", MovieViewSet)
 
+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",
+    }
+)
 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("cinema-hall", cinema_hall_list, name="cinema_hall_list"),
+    path("cinema-hall/<int:pk>/", cinema_hall_detail, name="cinema_hall_detail"),
 ]
 
 app_name = "cinema"

cinema/views.py

@@ -1,45 +1,111 @@
-from rest_framework.decorators import api_view
+from rest_framework import viewsets, generics, mixins, status
+from rest_framework.generics import get_object_or_404
 from rest_framework.response import Response
-from rest_framework import status
+from rest_framework.views import APIView
+from cinema.models import Movie, Actor, Genre, CinemaHall
+from cinema.serializers import (
+    MovieSerializer,
+    ActorSerializer,
+    GenreSerializer,
+    CinemaHallSerializer,
+)
 
-from django.shortcuts import get_object_or_404
 
-from cinema.models import Movie
-from cinema.serializers import MovieSerializer
+class MovieViewSet(viewsets.ModelViewSet):
+    queryset = Movie.objects.all()
+    serializer_class = MovieSerializer
 
 
-@api_view(["GET", "POST"])
-def movie_list(request):
-    if request.method == "GET":
-        movies = Movie.objects.all()
-        serializer = MovieSerializer(movies, many=True)
+class ActorList(
+    generics.GenericAPIView,
+    mixins.ListModelMixin,
+    mixins.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(
+    generics.GenericAPIView,
+    mixins.RetrieveModelMixin,
+    mixins.UpdateModelMixin,
+    mixins.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 delete(self, request, *args, **kwargs):
+        return self.destroy(request, *args, **kwargs)
+
+
+class GenreList(APIView):
+
+    def get(self, request):
+        genre = Genre.objects.all()
+        serializer = GenreSerializer(genre, many=True)
+
         return Response(serializer.data, status=status.HTTP_200_OK)
 
-    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_object(self, pk):
+        return get_object_or_404(Genre, pk=pk)
 
-    if request.method == "GET":
-        serializer = MovieSerializer(movie)
+    def get(self, request, pk):
+        genre = self.get_object(pk)
+        serializer = GenreSerializer(genre)
         return Response(serializer.data, status=status.HTTP_200_OK)
 
-    if request.method == "PUT":
-        serializer = MovieSerializer(movie, data=request.data)
+    def put(self, request, pk):
+        genre = self.get_object(pk)
+        serializer = GenreSerializer(genre, data=request.data)
         if serializer.is_valid():
             serializer.save()
             return Response(serializer.data, status=status.HTTP_200_OK)
-
         return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
 
-    if request.method == "DELETE":
-        movie.delete()
+    def patch(self, request, pk):
+        genre = self.get_object(pk)
+        serializer = GenreSerializer(genre, data=request.data, partial=True)
+        if serializer.is_valid():
+            serializer.save()
+            return Response(status=status.HTTP_200_OK)
+        return Response(status=status.HTTP_400_BAD_REQUEST)
+
+    def delete(self, request, pk):
+        genre = self.get_object(pk)
+
+        genre.delete()
         return Response(status=status.HTTP_204_NO_CONTENT)
+
+
+class CinemaHallViewSet(
+    viewsets.GenericViewSet,
+    mixins.ListModelMixin,
+    mixins.CreateModelMixin,
+    mixins.RetrieveModelMixin,
+    mixins.UpdateModelMixin,
+    mixins.DestroyModelMixin,
+):
+
+    queryset = CinemaHall.objects.all()
+    serializer_class = CinemaHallSerializer

cinema_service/settings.py

@@ -11,6 +11,10 @@
 """
 
 from pathlib import Path
+import dotenv
+import os
+
+dotenv.load_dotenv()
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
@@ -20,9 +24,7 @@
 # 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"
-)
+SECRET_KEY = os.getenv("SECRET_KEY")
 
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
@@ -94,16 +96,13 @@
         "UserAttributeSimilarityValidator",
     },
     {
-        "NAME": "django.contrib.auth.password_validation."
-        "MinimumLengthValidator",
+        "NAME": "django.contrib.auth.password_validation." "MinimumLengthValidator",
     },
     {
-        "NAME": "django.contrib.auth.password_validation."
-        "CommonPasswordValidator",
+        "NAME": "django.contrib.auth.password_validation." "CommonPasswordValidator",
     },
     {
-        "NAME": "django.contrib.auth.password_validation."
-        "NumericPasswordValidator",
+        "NAME": "django.contrib.auth.password_validation." "NumericPasswordValidator",
     },
 ]
 

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