Develop

cinema/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.0.2 on 2022-05-03 13:41
+# Generated by Django 4.1 on 2024-12-27 22:30
 
 from django.db import migrations, models
 
@@ -7,24 +7,43 @@ class Migration(migrations.Migration):
 
     initial = True
 
-    dependencies = []
+    dependencies = [
+    ]
 
     operations = [
         migrations.CreateModel(
-            name="Movie",
+            name='Actor',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('first_name', models.CharField(max_length=100)),
+                ('last_name', models.CharField(max_length=100)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='CinemaHall',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100)),
+                ('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=100, unique=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Movie',
             fields=[
-                (
-                    "id",
-                    models.BigAutoField(
-                        auto_created=True,
-                        primary_key=True,
-                        serialize=False,
-                        verbose_name="ID",
-                    ),
-                ),
-                ("title", models.CharField(max_length=255)),
-                ("description", models.TextField()),
-                ("duration", models.IntegerField()),
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=255)),
+                ('description', models.TextField()),
+                ('duration', models.IntegerField()),
+                ('actors', models.ManyToManyField(related_name='movies', to='cinema.actor')),
+                ('genres', models.ManyToManyField(related_name='movies', to='cinema.genre')),
             ],
         ),
     ]

cinema/models.py

@@ -1,10 +1,38 @@
 from django.db import models
 
 
+class Actor(models.Model):
+    first_name = models.CharField(max_length=100)
+    last_name = models.CharField(max_length=100)
+
+    def __str__(self):
+        return f"{self.first_name} {self.last_name}"
+
+
+class Genre(models.Model):
+    name = models.CharField(max_length=100, unique=True)
+
+    def __str__(self):
+        return self.name
+
+
+class CinemaHall(models.Model):
+    name = models.CharField(max_length=100)
+    rows = models.IntegerField()
+    seats_in_row = models.IntegerField()
+
+    def __str__(self):
+        return f"{self.name}:(rows:{self.rows}, seats:{self.seats_in_row})"
+
+
 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
+        return (f"{self.title}:"
+                f"({', '.join(genre.name for genre in self.genres.all())}, "
+                f"{self.duration})")

cinema/serializers.py

@@ -1,6 +1,11 @@
 from rest_framework import serializers
 
-from cinema.models import Movie
+from cinema.models import (
+    Movie,
+    Genre,
+    Actor,
+    CinemaHall
+)
 
 
 class MovieSerializer(serializers.Serializer):
@@ -22,3 +27,57 @@ 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=100)
+    last_name = serializers.CharField(max_length=100)
+
+    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=100)
+
+    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=100)
+    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

cinema/urls.py

@@ -1,10 +1,46 @@
-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, basename="movies")
+
+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="genres-list"),
+    path("genres/<int:pk>/", GenreDetail.as_view(), name="genres-detail"),
+
+    path("actors/", ActorList.as_view(), name="actors-list"),
+    path("actors/<int:pk>/", ActorDetail.as_view(), name="actors-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"

cinema/views.py

@@ -1,45 +1,108 @@
-from rest_framework.decorators import api_view
+from django.shortcuts import get_object_or_404
+from rest_framework import status, generics, mixins, viewsets
 from rest_framework.response import Response
-from rest_framework import status
+from rest_framework.views import APIView
 
-from django.shortcuts import get_object_or_404
+from cinema.models import Genre, Actor, CinemaHall, Movie
+from cinema.serializers import (
+    MovieSerializer,
+    GenreSerializer,
+    ActorSerializer,
+    CinemaHallSerializer
+)
 
-from cinema.models import Movie
-from cinema.serializers import MovieSerializer
 
+class GenreList(APIView):
+    def get(self, request):
+        genre = Genre.objects.all()
+        serializer = GenreSerializer(genre, many=True)
+        return Response(serializer.data)
 
-@api_view(["GET", "POST"])
-def movie_list(request):
-    if request.method == "GET":
-        movies = Movie.objects.all()
-        serializer = MovieSerializer(movies, many=True)
-        return Response(serializer.data, status=status.HTTP_200_OK)
+    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)
 
-    if request.method == "POST":
-        serializer = MovieSerializer(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)
+class GenreDetail(APIView):
+    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)
 
-@api_view(["GET", "PUT", "DELETE"])
-def movie_detail(request, pk):
-    movie = get_object_or_404(Movie, pk=pk)
+    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)
 
-    if request.method == "GET":
-        serializer = MovieSerializer(movie)
+    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 == "PUT":
-        serializer = MovieSerializer(movie, data=request.data)
-        if serializer.is_valid():
-            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)
 
-        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
 
-    if request.method == "DELETE":
-        movie.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 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