AI

.gitignore

@@ -7,4 +7,5 @@ venv/
 .pytest_cache/
 **__pycache__/
 *.pyc
-app/db.sqlite3
+db.sqlite3
+src/

cinema/serializers.py

@@ -1,6 +1,21 @@
 from rest_framework import serializers
+from cinema.models import (Genre,
+                           Actor,
+                           CinemaHall,
+                           Movie,
+                           MovieSession,
+                           Order,
+                           Ticket)
 
-from cinema.models import Genre, Actor, CinemaHall, Movie, MovieSession
+
+class MovieSessionSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = MovieSession
+        fields = ["id",
+                  "show_time",
+                  "movie_title",
+                  "cinema_hall_name",
+                  "cinema_hall_capacity"]
 
 
 class GenreSerializer(serializers.ModelSerializer):
@@ -45,12 +60,6 @@ class Meta:
         fields = ("id", "title", "description", "duration", "genres", "actors")
 
 
-class MovieSessionSerializer(serializers.ModelSerializer):
-    class Meta:
-        model = MovieSession
-        fields = ("id", "show_time", "movie", "cinema_hall")
-
-
 class MovieSessionListSerializer(MovieSessionSerializer):
     movie_title = serializers.CharField(source="movie.title", read_only=True)
     cinema_hall_name = serializers.CharField(
@@ -78,3 +87,25 @@ class MovieSessionDetailSerializer(MovieSessionSerializer):
     class Meta:
         model = MovieSession
         fields = ("id", "show_time", "movie", "cinema_hall")
+
+
+class TicketSerializer(serializers.ModelSerializer):
+    movie_session = MovieSessionSerializer()
+
+    class Meta:
+        model = Ticket
+        fields = ["id", "row", "seat", "movie_session"]
+
+
+class OrderSerializer(serializers.ModelSerializer):
+    tickets = TicketSerializer(many=True)
+
+    class Meta:
+        model = Order
+        fields = ["id", "tickets", "created_at"]
+
+
+class CreateOrderSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Order
+        fields = ["tickets"]

cinema/urls.py

@@ -1,5 +1,6 @@
 from django.urls import path, include
 from rest_framework import routers
+from cinema.views import OrderViewSet
 
 from cinema.views import (
     GenreViewSet,
@@ -13,9 +14,12 @@
 router.register("genres", GenreViewSet)
 router.register("actors", ActorViewSet)
 router.register("cinema_halls", CinemaHallViewSet)
-router.register("movies", MovieViewSet)
+router.register("movies", MovieViewSet, basename="movie")
 router.register("movie_sessions", MovieSessionViewSet)
+router.register("orders", OrderViewSet)
 
-urlpatterns = [path("", include(router.urls))]
+urlpatterns = [
+    path("", include(router.urls)),
+]
 
 app_name = "cinema"

cinema/views.py

@@ -1,6 +1,17 @@
-from rest_framework import viewsets
-
-from cinema.models import Genre, Actor, CinemaHall, Movie, MovieSession
+from rest_framework import viewsets, permissions
+from rest_framework.generics import get_object_or_404
+from rest_framework.pagination import PageNumberPagination
+from rest_framework.response import Response
+from django_filters import rest_framework as filters
+from rest_framework.views import APIView
+from cinema.models import (
+    Genre,
+    Actor,
+    CinemaHall,
+    Movie,
+    MovieSession,
+    Order,
+    Ticket)
 
 from cinema.serializers import (
     GenreSerializer,
@@ -11,22 +22,22 @@
     MovieSessionListSerializer,
     MovieDetailSerializer,
     MovieSessionDetailSerializer,
-    MovieListSerializer,
+    MovieListSerializer, CreateOrderSerializer, OrderSerializer,
 )
 
 
 class GenreViewSet(viewsets.ModelViewSet):
-    queryset = Genre.objects.all()
+    queryset = Genre.objects.all().order_by("id")
     serializer_class = GenreSerializer
 
 
 class ActorViewSet(viewsets.ModelViewSet):
-    queryset = Actor.objects.all()
+    queryset = Actor.objects.all().order_by("id")
     serializer_class = ActorSerializer
 
 
 class CinemaHallViewSet(viewsets.ModelViewSet):
-    queryset = CinemaHall.objects.all()
+    queryset = CinemaHall.objects.all().order_by("id")
     serializer_class = CinemaHallSerializer
 
 
@@ -44,6 +55,74 @@ def get_serializer_class(self):
         return MovieSerializer
 
 
+class OrdersPagination(PageNumberPagination):
+    page_size = 10
+
+
+class OrderViewSet(viewsets.ModelViewSet):
+    queryset = Order.objects.all()
+    permission_classes = [permissions.IsAuthenticated]
+    pagination_class = OrdersPagination
+
+    def get_queryset(self):
+        return Order.objects.filter(user=self.request.user)
+
+    def get_serializer_class(self):
+        if self.request.method == "POST":
+            return CreateOrderSerializer
+        return OrderSerializer
+
+    def create(self, request, *args, **kwargs):
+        serializer = self.get_serializer(data=request.data)
+        serializer.is_valid(raise_exception=True)
+        self.perform_create(serializer)
+        return Response(serializer.data, status=201)
+
+
+class MovieSessionFilter(filters.FilterSet):
+    date = filters.DateFilter(field_name="show_time", lookup_expr="date")
+    movie = filters.NumberFilter(field_name="movie__id")
+
+    class Meta:
+        model = MovieSession
+        fields = ["date", "movie"]
+
+
+class MovieSessionDetailView(APIView):
+    def get(self, request, pk):
+        movie_session = get_object_or_404(MovieSession, pk=pk)
+        taken_places = Ticket.objects.filter(
+            movie_session=movie_session).values(
+            "row",
+            "seat")
+
+        response_data = {
+            "id": movie_session.id,
+            "show_time": movie_session.show_time,
+            "movie": {
+                "id": movie_session.movie.id,
+                "title": movie_session.movie.title,
+                "description": movie_session.movie.description,
+                "duration": movie_session.movie.duration,
+                "genres": [genre.name
+                           for genre in
+                           movie_session.movie.genres.all()],
+                "actors": [actor.name
+                           for actor in
+                           movie_session.movie.actors.all()],
+            },
+            "cinema_hall": {
+                "id": movie_session.cinema_hall.id,
+                "name": movie_session.cinema_hall.name,
+                "rows": movie_session.cinema_hall.rows,
+                "seats_in_row": movie_session.cinema_hall.seats_in_row,
+                "capacity": movie_session.cinema_hall.capacity,
+            },
+            "taken_places": list(taken_places),
+        }
+        return Response(response_data)
+
+
 class MovieSessionViewSet(viewsets.ModelViewSet):
     queryset = MovieSession.objects.all()
     serializer_class = MovieSessionSerializer

cinema_service/settings.py

@@ -43,6 +43,7 @@
     "django.contrib.messages",
     "django.contrib.staticfiles",
     "rest_framework",
+    "django_filters",
     "debug_toolbar",
     "cinema",
     "user",
@@ -124,7 +125,7 @@
 
 USE_I18N = True
 
-USE_TZ = False
+USE_TZ = True
 
 
 # Static files (CSS, JavaScript, Images)
@@ -136,3 +137,9 @@
 # https://docs.djangoproject.com/en/4.0/ref/settings/#default-auto-field
 
 DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"
+
+REST_FRAMEWORK = {
+    "DEFAULT_PAGINATION_CLASS":
+        "rest_framework.pagination.PageNumberPagination",
+    "PAGE_SIZE": 10,
+}

requirements.txt

@@ -1,7 +1,16 @@
-django==4.1
+asgiref==3.8.1
+Django==4.2.6
+django-debug-toolbar==3.2.4
+djangorestframework==3.15.2
 flake8==5.0.4
 flake8-quotes==3.3.1
 flake8-variables-names==0.0.5
+mccabe==0.7.0
 pep8-naming==0.13.2
-django-debug-toolbar==3.2.4
-djangorestframework==3.13.1
+pycodestyle==2.9.1
+pyflakes==2.5.0
+pytz==2024.2
+six==1.16.0
+sqlparse==0.5.1
+django-filter>=22.1
+djangorestframework-filters