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Solution #712

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Solution #712

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sberdianskyi
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Thank you for your hard work on this pull request! 😊 While your implementation is mostly on point, there are a few critical issues that need to be addressed before we can proceed:

  1. Handling ManyToMany Fields in MovieSerializer: The MovieSerializer currently does not handle the actors and genres fields, which are ManyToMany relationships. This is a core requirement, and it needs to be addressed to ensure the serializer functions correctly.

  2. __str__ Method in CinemaHall: There's a small mistake in the __str__ method of the CinemaHall class. The return statement should use parentheses for string formatting, not curly braces. It should be return self.name.

  3. URL Naming Consistency: The URL pattern names for cinema halls use underscores, which is inconsistent with the rest of the URL patterns that use hyphens. For consistency, consider using hyphens in the cinema hall URLs.

These changes are important to ensure the functionality and consistency of your code. Once these are addressed, your implementation will be in great shape! Keep up the great work, and don't hesitate to reach out if you need any help. 🚀

✨ Please rate this review in the Platform's notification center. I will be grateful for your feedback! ✨

🔄 Fix the issues, commit the changes, and then re-request my review using the Re-request review button in the Reviewers tab.

cinema/models.py Outdated
Comment on lines 24 to 25
def __str__(self):
return {self.name}

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There is a mistake in the __str__ method of the CinemaHall class. The return statement should use parentheses for string formatting, not curly braces. It should be return self.name instead of return {self.name}.

Comment on lines +31 to +35
path("cinema_halls/", cinema_hall_list, name="cinema-hall-list"),
path(
"cinema_halls/<int:pk>/",
cinema_hall_detail,
name="cinema-hall-detail"

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The URL pattern names for cinema halls use underscores (cinema_halls/), which is inconsistent with the rest of the URL patterns that use hyphens (e.g., genre-list). Consider using hyphens for consistency: cinema-halls/ and cinema-hall-detail.

Comment on lines +21 to +63
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)
def post(self, request):
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):
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.data)
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)
serializer.is_valid(raise_exception=True)
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)

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The GenreList and GenreDetail classes use APIView directly, which is fine, but you could simplify the code by using ListCreateAPIView and RetrieveUpdateDestroyAPIView from Django REST Framework, which provide built-in implementations for these actions.

Comment on lines +65 to +99
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)

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The ActorList and ActorDetail classes use mixins with GenericAPIView. Consider using ListCreateAPIView and RetrieveUpdateDestroyAPIView for a more concise implementation, as they combine these mixins into a single class.

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Your code implementation meets the task requirements and constraints effectively. The models, serializers, views, and URL configurations are well-structured and align with Django and Django REST Framework standards.

Key Points:

  • Model Definitions: Models such as Actor, Genre, CinemaHall, and Movie are correctly defined with necessary fields and relationships.
  • Serializers: While the MovieSerializer efficiently uses ModelSerializer, consider using ModelSerializer for ActorSerializer, GenreSerializer, and CinemaHallSerializer to simplify your code and reduce redundancy.
  • Views and Endpoints: The views are appropriately implemented using class-based views, and the endpoints are correctly defined to support required HTTP methods.

Suggestions for Improvement:

  • Simplify Serializers: Transitioning to ModelSerializer for all serializers can streamline your code and enhance maintainability.
  • Review Comments: Ensure to address any feedback provided to improve your code quality and adhere to best practices.

Keep up the great work! Your efforts are commendable, and addressing the suggestions will further enhance your coding skills. 😊

✨ Please rate this review in the Platform's notification center. I will be grateful for your feedback! ✨

Comment on lines 6 to 9
class ActorSerializer(serializers.Serializer):
id = serializers.IntegerField(read_only=True)
title = serializers.CharField(max_length=255)
description = serializers.CharField()
duration = serializers.IntegerField()
first_name = serializers.CharField(max_length=255)
last_name = serializers.CharField(max_length=255)

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Consider using serializers.ModelSerializer for ActorSerializer to simplify the code and automatically handle create and update methods. This approach reduces redundancy and aligns with Django REST Framework best practices.

Comment on lines +28 to +30
class GenreSerializer(serializers.Serializer):
id = serializers.IntegerField(read_only=True)
name = serializers.CharField(max_length=255)

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Consider using serializers.ModelSerializer for GenreSerializer to simplify the code and automatically handle create and update methods. This approach reduces redundancy and aligns with Django REST Framework best practices.

Comment on lines +42 to +46
class CinemaHallSerializer(serializers.Serializer):
id = serializers.IntegerField(read_only=True)
name = serializers.CharField(max_length=255)
rows = serializers.IntegerField()
seats_in_row = serializers.IntegerField()

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Consider using serializers.ModelSerializer for CinemaHallSerializer to simplify the code and automatically handle create and update methods. This approach reduces redundancy and aligns with Django REST Framework best practices.

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3 participants