From 831eedb111f08b6334a08218567105276fa1e50e Mon Sep 17 00:00:00 2001 From: Vlada Bilai Date: Thu, 26 Sep 2024 19:02:09 +0300 Subject: [PATCH] first commit --- cinema/models.py | 26 ++++++++++ cinema/serializers.py | 42 +++++++++------ cinema/urls.py | 23 +++++++-- cinema/views.py | 117 ++++++++++++++++++++++++++++++++++-------- 4 files changed, 167 insertions(+), 41 deletions(-) diff --git a/cinema/models.py b/cinema/models.py index cc477513f..b6d97121b 100644 --- a/cinema/models.py +++ b/cinema/models.py @@ -1,10 +1,36 @@ from django.db import models +class Actor(models.Model): + first_name = models.CharField(max_length=50) + last_name = models.CharField(max_length=50) + + def __str__(self): + return f"{self.first_name}, {self.last_name}" + + +class Genre(models.Model): + name = models.CharField(max_length=150, unique=True) + + def __str__(self): + return self.name + + +class CinemaHall(models.Model): + name = models.CharField(max_length=150) + 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="actors_movies") + genres = models.ManyToManyField(Genre, related_name="genres_movies") def __str__(self): return self.title diff --git a/cinema/serializers.py b/cinema/serializers.py index 050db5771..d0bebcd0b 100644 --- a/cinema/serializers.py +++ b/cinema/serializers.py @@ -1,24 +1,34 @@ from rest_framework import serializers -from cinema.models import Movie +from cinema.models import Movie, Actor, Genre, CinemaHall -class MovieSerializer(serializers.Serializer): - id = serializers.IntegerField(read_only=True) - title = serializers.CharField(max_length=255) - description = serializers.CharField() - duration = serializers.IntegerField() +class MovieSerializer(serializers.ModelSerializer): + 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) + class Meta: + model = Movie + fields = ["id", "title", "description", "duration", "actors", "genres"] - 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 ActorSerializer(serializers.ModelSerializer): + class Meta: + model = Actor + fields = ["id", "first_name", "last_name"] - return instance + +class GenreSerializer(serializers.ModelSerializer): + class Meta: + model = Genre + fields = ["id", "name"] + + +class CinemaHallSerializer(serializers.ModelSerializer): + class Meta: + model = CinemaHall + fields = ["id", "name", "rows", "seats_in_row"] diff --git a/cinema/urls.py b/cinema/urls.py index 1ae7d5cb0..361da8fad 100644 --- a/cinema/urls.py +++ b/cinema/urls.py @@ -1,10 +1,25 @@ -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_movie_router = routers.DefaultRouter() +cinema_hall_movie_router.register("cinema_halls", CinemaHallViewSet) +cinema_hall_movie_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("", include(cinema_hall_movie_router.urls)), ] app_name = "cinema" diff --git a/cinema/views.py b/cinema/views.py index 78ba8a79c..7c364dfe0 100644 --- a/cinema/views.py +++ b/cinema/views.py @@ -1,45 +1,120 @@ from rest_framework.decorators import api_view from rest_framework.response import Response -from rest_framework import status +from rest_framework import status, mixins, generics, 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, + CinemaHall, + Actor +) +from cinema.serializers import ( + MovieSerializer, + GenreSerializer, + CinemaHallSerializer, + ActorSerializer +) -@api_view(["GET", "POST"]) -def movie_list(request): - if request.method == "GET": - movies = Movie.objects.all() - serializer = MovieSerializer(movies, many=True) +class GenreList(APIView): + + def get(self, request) -> Response: + 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) + def post(self, request) -> Response: + 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) -> Genre: + return get_object_or_404(Genre, pk=pk) - if request.method == "GET": - serializer = MovieSerializer(movie) + def get(self, request, pk) -> Response: + 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) -> Response: + 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 delete(self, request, pk) -> Response: + self.get_object(pk=pk).delete() return Response(status=status.HTTP_204_NO_CONTENT) + + def patch(self, request, pk) -> Response: + genre = self.get_object(pk=pk) + serializer = GenreSerializer(genre, data=request.data, partial=True) + serializer.is_valid() + serializer.save() + return Response(serializer.data, status=status.HTTP_200_OK) + + +class CinemaHallViewSet( + viewsets.GenericViewSet, + mixins.ListModelMixin, + mixins.CreateModelMixin, + mixins.RetrieveModelMixin, + mixins.UpdateModelMixin, + mixins.DestroyModelMixin +): + queryset = CinemaHall.objects.all() + serializer_class = CinemaHallSerializer + + +class MovieViewSet( + viewsets.ModelViewSet +): + queryset = Movie.objects.all() + serializer_class = MovieSerializer + + +class ActorList( + generics.GenericAPIView, + mixins.ListModelMixin, + mixins.CreateModelMixin +): + queryset = Movie.objects.all() + serializer_class = MovieSerializer + + def get(self, request, *args, **kwargs) -> Response: + return self.list(request, *args, **kwargs) + + def post(self, request, *args, **kwargs) -> Response: + 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) -> Response: + return self.retrieve(request, *args, **kwargs) + + def put(self, request, *args, **kwargs) -> Response: + return self.update(request, *args, **kwargs) + + def delete(self, request, *args, **kwargs) -> Response: + return self.destroy(request, *args, **kwargs) + + def patch(self, request, *args, **kwargs) -> Response: + return self.patch(request, *args, **kwargs)