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HalynaRohatska committed Oct 1, 2024
1 parent e170514 commit d77371b
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Original file line number Diff line number Diff line change
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# Generated by Django 4.1 on 2024-10-01 07:01

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'),
),
]
28 changes: 28 additions & 0 deletions cinema/models.py
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@@ -1,10 +1,38 @@
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"{self.first_name} {self.last_name}"


class Genre(models.Model):
name = models.CharField(max_length=255, unique=True)

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 (f"CinemaHall: {self.name} "
f"rows: {self.rows} "
f"seats in row: {self.seats_in_row}")


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
43 changes: 41 additions & 2 deletions cinema/serializers.py
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@@ -1,16 +1,47 @@
from rest_framework import serializers

from cinema.models import Movie
from cinema.models import Actor, Genre, CinemaHall, Movie


class ActorSerializer(serializers.ModelSerializer):
class Meta:
model = Actor
fields = ["first_name", "last_name"]


class GenreSerializer(serializers.ModelSerializer):
class Meta:
model = Genre
fields = ["name"]


class CinemaHallSerializer(serializers.ModelSerializer):
class Meta:
model = CinemaHall
fields = ["name", "rows", "seats_in_row"]


class MovieSerializer(serializers.Serializer):
id = serializers.IntegerField(read_only=True)
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)
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)
Expand All @@ -19,6 +50,14 @@ def update(self, instance, validated_data):
)
instance.duration = validated_data.get("duration", instance.duration)

if "actors" in validated_data:
actors = validated_data.pop("actors")
instance.actors.set(actors)

if "genres" in validated_data:
genres = validated_data.pop("genres")
instance.genres.set(genres)

instance.save()

return instance
41 changes: 37 additions & 4 deletions cinema/urls.py
Original file line number Diff line number Diff line change
@@ -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
)

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/<int:pk>/", movie_detail, name="movie-detail"),
path("genres/", GenreList.as_view(), name="genre-list"),
path("genres/<int:pk>/", GenreDetail.as_view(), name="genre-detail"),
path("actors/", ActorList.as_view(), name="actor-list"),
path("actors/<int:pk>/", ActorDetail.as_view(), name="actor-detail"),
path("cinema_halls/", cinema_hall_list, name="cinema-hall-list"),
path(
"cinema_halls/<int:pk>/",
cinema_hall_detail,
name="cinema-hall-detail"
),
path("", include(router.urls))
]

app_name = "cinema"
83 changes: 62 additions & 21 deletions cinema/views.py
Original file line number Diff line number Diff line change
@@ -1,45 +1,86 @@
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 Actor, Genre, CinemaHall, Movie
from cinema.serializers import (
ActorSerializer,
GenreSerializer,
CinemaHallSerializer,
MovieSerializer
)


@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: int) -> Genre:
return get_object_or_404(Genre, pk=pk)

if request.method == "GET":
serializer = MovieSerializer(movie)
return Response(serializer.data, status=status.HTTP_200_OK)
def get(self, request, pk: int) -> Response:
serialiser = GenreSerializer(self.get_object(pk=pk))
return Response(serialiser.data, status=status.HTTP_200_OK)

if request.method == "PUT":
serializer = MovieSerializer(movie, data=request.data)
def put(self, request, pk: int) -> Response:
serializer = GenreSerializer(self.get_object(pk=pk), 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)

def patch(self, request, pk: int) -> Response:
serializer = GenreSerializer(
self.get_object(pk=pk),
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)

if request.method == "DELETE":
movie.delete()
def delete(self, request, pk: int) -> Response:
self.get_object(pk=pk).delete()
return Response(status=status.HTTP_204_NO_CONTENT)


class ActorList(generics.ListCreateAPIView):
queryset = Actor.objects.all()
serializer_class = ActorSerializer


class ActorDetail(generics.RetrieveUpdateDestroyAPIView):
queryset = Actor.objects.all()
serializer_class = ActorSerializer


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

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