From d3745e96a5a1f4d76477e55099797189c0835acc Mon Sep 17 00:00:00 2001 From: Andrii Date: Fri, 27 Sep 2024 16:31:32 +0300 Subject: [PATCH] Solution --- ...emahall_genre_movie_actors_movie_genres.py | 71 ++++++++++ cinema/models.py | 28 +++- cinema/serializers.py | 64 ++++++++- cinema/urls.py | 38 +++++- cinema/views.py | 125 ++++++++++++++---- cinema_service/settings.py | 13 +- 6 files changed, 294 insertions(+), 45 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..3d1a188bf --- /dev/null +++ b/cinema/migrations/0002_actor_cinemahall_genre_movie_actors_movie_genres.py @@ -0,0 +1,71 @@ +# Generated by Django 4.1 on 2024-09-27 12:29 + +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..da0816049 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=255) + last_name = models.CharField(max_length=255) + + def __str__(self): + return f"Actor: {self.first_name} {self.last_name}" + + +class Genre(models.Model): + name = models.CharField(max_length=255, unique=True) + + def __str__(self): + return f"Genre: {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"CinemaHall: {self.name}" + + class Movie(models.Model): title = models.CharField(max_length=255) description = models.TextField() duration = models.IntegerField() + actors = models.ManyToManyField(Actor, related_name="movies") + genres = models.ManyToManyField(Genre, related_name="movies") def __str__(self): - return self.title + return f"Movie: {self.title}" diff --git a/cinema/serializers.py b/cinema/serializers.py index 050db5771..775154d75 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): @@ -15,10 +15,70 @@ 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 + "description", + instance.description ) instance.duration = validated_data.get("duration", instance.duration) 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..f69447148 100644 --- a/cinema/urls.py +++ b/cinema/urls.py @@ -1,10 +1,40 @@ -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", "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..a2bfc8f49 100644 --- a/cinema/views.py +++ b/cinema/views.py @@ -1,45 +1,112 @@ -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 GenreList(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(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): + 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) - if serializer.is_valid(): - serializer.save() - return Response(serializer.data, status=status.HTTP_200_OK) + def put(self, request, pk): + genre = self.get_object(pk) + serializer = GenreSerializer(genre, 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): + 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) - if request.method == "DELETE": - movie.delete() + 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) + + def patch(self, request, *args, **kwargs): + return self.partial_update(request, *args, **kwargs) + + +class CinemaHallViewSet( + mixins.ListModelMixin, + mixins.CreateModelMixin, + mixins.RetrieveModelMixin, + mixins.UpdateModelMixin, + mixins.DestroyModelMixin, + viewsets.GenericViewSet, +): + queryset = CinemaHall.objects.all() + serializer_class = CinemaHallSerializer + + def patch(self, request, *args, **kwargs): + return self.partial_update(request, *args, **kwargs) + + +class MovieViewSet(viewsets.ModelViewSet): + queryset = Movie.objects.all() + serializer_class = MovieSerializer diff --git a/cinema_service/settings.py b/cinema_service/settings.py index def98786c..abc1c71db 100644 --- a/cinema_service/settings.py +++ b/cinema_service/settings.py @@ -20,9 +20,7 @@ # 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 = "django-insecure-ru6ndfka@95_(lysua8yhdjq@vpiqgv3yru4r)q3h4_u8x7dfy" # SECURITY WARNING: don't run with debug turned on in production! DEBUG = True @@ -94,16 +92,13 @@ "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", }, ]