diff --git a/cinema/migrations/0002_actor_cinemahall_genre_movie_actors_movie_genres.py b/cinema/migrations/0002_actor_cinemahall_genre_movie_actors_movie_genres.py new file mode 100644 index 000000000..7be6b2b34 --- /dev/null +++ b/cinema/migrations/0002_actor_cinemahall_genre_movie_actors_movie_genres.py @@ -0,0 +1,47 @@ +# Generated by Django 4.1 on 2026-05-17 16:27 + +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'), + ), + ] diff --git a/cinema/models.py b/cinema/models.py index cc477513f..748bce08f 100644 --- a/cinema/models.py +++ b/cinema/models.py @@ -1,10 +1,36 @@ from django.db import models +class Genre(models.Model): + name = models.CharField(max_length=255, unique=True) + + def __str__(self) -> str: + return self.name + + +class Actor(models.Model): + first_name = models.CharField(max_length=255) + last_name = models.CharField(max_length=255) + + def __str__(self) -> str: + return f"{self.first_name} {self.last_name}" + + class Movie(models.Model): title = models.CharField(max_length=255) description = models.TextField() + actors = models.ManyToManyField(Actor, related_name="movies") + genres = models.ManyToManyField(Genre, related_name="movies") duration = models.IntegerField() - def __str__(self): + def __str__(self) -> str: return self.title + + +class CinemaHall(models.Model): + name = models.CharField(max_length=255) + rows = models.IntegerField() + seats_in_row = models.IntegerField() + + def __str__(self) -> str: + return self.name diff --git a/cinema/serializers.py b/cinema/serializers.py index 050db5771..279bbcea1 100644 --- a/cinema/serializers.py +++ b/cinema/serializers.py @@ -1,24 +1,131 @@ from rest_framework import serializers +from rest_framework import validators -from cinema.models import Movie +from cinema.models import ( + Movie, + Actor, + Genre, + CinemaHall +) + + +class GenreSerializer(serializers.Serializer): + id = serializers.IntegerField(read_only=True) + name = serializers.CharField( + max_length=255, + validators=[ + validators.UniqueValidator( + queryset=Genre.objects.all(), + ) + ], + ) + + 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 MovieSerializer(serializers.Serializer): id = serializers.IntegerField(read_only=True) title = serializers.CharField(max_length=255) description = serializers.CharField() + actors = serializers.PrimaryKeyRelatedField( + many=True, + queryset=Actor.objects.all() + ) + genres = serializers.PrimaryKeyRelatedField( + many=True, + queryset=Genre.objects.all() + ) duration = serializers.IntegerField() def create(self, validated_data): - return Movie.objects.create(**validated_data) + actors = validated_data.pop("actors") + genres = validated_data.pop("genres") + + movie = Movie.objects.create(**validated_data) + + movie.actors.set(actors) + movie.genres.set(genres) + + return movie def update(self, instance, validated_data): - instance.title = validated_data.get("title", instance.title) + instance.title = validated_data.get( + "title", + instance.title + ) instance.description = validated_data.get( - "description", instance.description + "description", + instance.description + ) + instance.duration = validated_data.get( + "duration", + instance.duration ) - instance.duration = validated_data.get("duration", instance.duration) + genres = validated_data.pop("genres", None) + actors = validated_data.pop("actors", None) + if genres: + instance.genres.set(genres) + if actors: + instance.actors.set(actors) + 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.rows = validated_data.get( + "rows", + instance.rows + ) + instance.seats_in_row = validated_data.get( + "seats_in_row", + instance.seats_in_row + ) instance.save() return instance diff --git a/cinema/urls.py b/cinema/urls.py index 1ae7d5cb0..a8ef89dc7 100644 --- a/cinema/urls.py +++ b/cinema/urls.py @@ -1,10 +1,67 @@ -from django.urls import path +from django.urls import path, include +from rest_framework import routers -from cinema.views import movie_list, movie_detail +from cinema.views import ( + GenreList, + GenreDetail, + ActorList, + ActorDetail, + CinemaHallViewSet, + 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", + } +) + +router = routers.DefaultRouter() +router.register("movies", MovieViewSet) urlpatterns = [ - path("movies/", movie_list, name="movie-list"), - path("movies//", movie_detail, name="movie-detail"), + path( + "genres/", + GenreList.as_view(), + name="genre-list" + ), + path( + "genres//", + GenreDetail.as_view(), + name="genre-detail" + ), + path( + "actors/", ActorList.as_view(), + name="actor-list" + ), + path( + "actors//", + ActorDetail.as_view(), + name="actor-detail" + ), + path( + "cinema_halls/", + cinema_hall_list, + name="cinema_hall-list" + ), + path( + "cinema_halls//", + cinema_hall_detail, + name="cinema_hall-detail" + ), + path( + "", + include(router.urls) + ) ] app_name = "cinema" diff --git a/cinema/views.py b/cinema/views.py index 78ba8a79c..4642d4c6d 100644 --- a/cinema/views.py +++ b/cinema/views.py @@ -1,45 +1,115 @@ -from rest_framework.decorators import api_view from rest_framework.response import Response -from rest_framework import status +from rest_framework import status, generics, mixins, viewsets from django.shortcuts import get_object_or_404 +from rest_framework import views -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) +class GenreList(views.APIView): + def get(self, request): + genres = Genre.objects.all() + serializer = GenreSerializer(genres, many=True) return Response(serializer.data, status=status.HTTP_200_OK) - if request.method == "POST": - serializer = MovieSerializer(data=request.data) - if serializer.is_valid(): - serializer.save() - return Response(serializer.data, status=status.HTTP_201_CREATED) + def post(self, request): + serializer = GenreSerializer(data=request.data) + serializer.is_valid(raise_exception=True) + serializer.save() + return Response(serializer.data, status=status.HTTP_201_CREATED) - return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST) +class GenreDetail(views.APIView): + def get_object(self, pk): + return get_object_or_404(Genre, pk=pk) -@api_view(["GET", "PUT", "DELETE"]) -def movie_detail(request, pk): - movie = get_object_or_404(Movie, pk=pk) - - if request.method == "GET": - serializer = MovieSerializer(movie) + def get(self, request, pk): + serializer = GenreSerializer(self.get_object(pk=pk)) return Response(serializer.data, status=status.HTTP_200_OK) - if request.method == "PUT": - serializer = MovieSerializer(movie, data=request.data) - if serializer.is_valid(): - serializer.save() - return Response(serializer.data, status=status.HTTP_200_OK) + def put(self, request, pk): + serializer = GenreSerializer(self.get_object(pk=pk), data=request.data) + serializer.is_valid(raise_exception=True) + serializer.save() + return Response(serializer.data, status=status.HTTP_200_OK) - return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST) + def patch(self, request, pk): + serializer = GenreSerializer( + self.get_object(pk=pk), + data=request.data, + partial=True + ) + serializer.is_valid(raise_exception=True) + serializer.save() + return Response(serializer.data, status=status.HTTP_200_OK) - if request.method == "DELETE": - movie.delete() + def delete(self, request, pk): + genre = self.get_object(pk=pk) + genre.delete() return Response(status=status.HTTP_204_NO_CONTENT) + + +class ActorList( + mixins.ListModelMixin, + mixins.CreateModelMixin, + generics.GenericAPIView +): + 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( + mixins.RetrieveModelMixin, + mixins.UpdateModelMixin, + mixins.DestroyModelMixin, + generics.GenericAPIView +): + 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( + mixins.ListModelMixin, + mixins.CreateModelMixin, + mixins.RetrieveModelMixin, + mixins.UpdateModelMixin, + mixins.DestroyModelMixin, + viewsets.GenericViewSet +): + queryset = CinemaHall.objects.all() + serializer_class = CinemaHallSerializer + + +class MovieViewSet(viewsets.ModelViewSet): + queryset = Movie.objects.all() + serializer_class = MovieSerializer