From dea705a74e001592f446fa956687f36ade7daed8 Mon Sep 17 00:00:00 2001 From: Kristian Yendrek Date: Tue, 10 Oct 2023 21:58:08 +0300 Subject: [PATCH] implemented models, serializers, views for genres, actors, cinemahalls --- ...emahall_genre_movie_actors_movie_genres.py | 74 ++++++++++++ cinema/models.py | 26 +++++ cinema/serializers.py | 59 +++++++++- cinema/urls.py | 41 ++++++- cinema/views.py | 110 ++++++++++++++---- 5 files changed, 285 insertions(+), 25 deletions(-) create mode 100644 cinema/migrations/0002_actor_cinemahall_genre_movie_actors_movie_genres.py 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..5ee4ea2ea --- /dev/null +++ b/cinema/migrations/0002_actor_cinemahall_genre_movie_actors_movie_genres.py @@ -0,0 +1,74 @@ +# Generated by Django 4.1 on 2023-10-10 17:56 + +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)), + ], + ), + 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..31f093c9b 100644 --- a/cinema/models.py +++ b/cinema/models.py @@ -4,7 +4,33 @@ 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): return self.title + + +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) + + 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 diff --git a/cinema/serializers.py b/cinema/serializers.py index 050db5771..ac892e2be 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, Genre, CinemaHall class MovieSerializer(serializers.Serializer): @@ -22,3 +22,60 @@ def update(self, instance, validated_data): 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 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 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..46cce3439 100644 --- a/cinema/urls.py +++ b/cinema/urls.py @@ -1,10 +1,43 @@ -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("", include(router.urls)), + 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" + ), ] app_name = "cinema" diff --git a/cinema/views.py b/cinema/views.py index 78ba8a79c..a5d03ad23 100644 --- a/cinema/views.py +++ b/cinema/views.py @@ -1,22 +1,28 @@ -from rest_framework.decorators import api_view +from rest_framework.generics import GenericAPIView from rest_framework.response import Response -from rest_framework import status +from rest_framework.views import APIView +from rest_framework import status, mixins, viewsets from django.shortcuts import get_object_or_404 -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 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) @@ -24,22 +30,86 @@ def movie_list(request): 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(serializer.data, status=status.HTTP_200_OK) + + return Response(serializer.errors, 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 ActorList( + mixins.ListModelMixin, mixins.CreateModelMixin, 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, + 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