diff --git a/cinema/models.py b/cinema/models.py index cc477513f..898792dd1 100644 --- a/cinema/models.py +++ b/cinema/models.py @@ -1,10 +1,46 @@ from django.db import models +class Actor(models.Model): + first_name = models.CharField(max_length=63) + last_name = models.CharField(max_length=63) + + def __str__(self): + return f"{self.first_name} {self.last_name}" + + +class Genre(models.Model): + name = models.CharField(max_length=63, unique=True) + + def __str__(self): + return self.name + + class Movie(models.Model): title = models.CharField(max_length=255) description = models.TextField() + actors = models.ManyToManyField( + to="Actor", + related_name="movies" + ) + genres = models.ManyToManyField( + to="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 + + @property + def capacity(self) -> int: + return self.rows * self.seats_in_row diff --git a/cinema/serializers.py b/cinema/serializers.py index 050db5771..42b5ad0e9 100644 --- a/cinema/serializers.py +++ b/cinema/serializers.py @@ -1,6 +1,6 @@ from rest_framework import serializers -from cinema.models import Movie +from cinema.models import Movie, Actor, CinemaHall, Genre class MovieSerializer(serializers.Serializer): @@ -8,9 +8,22 @@ class MovieSerializer(serializers.Serializer): title = serializers.CharField(max_length=255) description = serializers.CharField() duration = serializers.IntegerField() + actors = serializers.PrimaryKeyRelatedField( + many=True, + queryset=Actor.objects.all() + ) + genres = serializers.PrimaryKeyRelatedField( + many=True, + queryset=Genre.objects.all() + ) - def create(self, validated_data): - return Movie.objects.create(**validated_data) + def create(self, validated_data) -> Movie: + 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) @@ -18,6 +31,71 @@ def update(self, instance, validated_data): "description", instance.description ) instance.duration = validated_data.get("duration", instance.duration) + actors_data = validated_data.get("actors") + genres_data = validated_data.get("genres") + + if actors_data is not None: + instance.actors.set(actors_data) + if genres_data is not None: + instance.genres.set(genres_data) + + instance.save() + + return instance + + +class GenreSerializer(serializers.Serializer): + id = serializers.IntegerField(read_only=True) + name = serializers.CharField(max_length=63) + + 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=63) + last_name = serializers.CharField(max_length=63) + + 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=63) + 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() diff --git a/cinema/urls.py b/cinema/urls.py index 1ae7d5cb0..21e5b9d18 100644 --- a/cinema/urls.py +++ b/cinema/urls.py @@ -1,10 +1,42 @@ -from django.urls import path +from django.urls import path, include +from rest_framework import routers +from cinema.views import ( + GenreList, + GenreDetail, + ActorList, + ActorDetail, + CinemaHallViewSet, + MovieViewSet +) -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//", 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..686dd50a4 100644 --- a/cinema/views.py +++ b/cinema/views.py @@ -1,45 +1,118 @@ 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.views import APIView -from cinema.models import Movie -from cinema.serializers import MovieSerializer +from cinema.models import Movie, Genre, Actor, CinemaHall +from cinema.serializers import ( + MovieSerializer, + GenreSerializer, + ActorSerializer, + CinemaHallSerializer +) -@api_view(["GET", "POST"]) -def movie_list(request): - if request.method == "GET": - movies = Movie.objects.all() - serializer = MovieSerializer(movies, many=True) +class MovieViewSet(viewsets.ModelViewSet): + queryset = Movie.objects.all() + serializer_class = MovieSerializer + + +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.data, status=status.HTTP_200_OK) 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): - if request.method == "GET": - serializer = MovieSerializer(movie) + def get_object(self, pk): + return get_object_or_404(Genre, pk=pk) + + 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) -> Response: + genre = self.get_object(pk) + serializer = GenreSerializer( + genre, + data=request.data, + partial=True + ) + serializer.is_valid(raise_exception=True) + serializer.save() + return Response(serializer.data, status=status.HTTP_200_OK) + + def delete(self, request, pk): + genre = self.get_object(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 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 +