Cursor grpc

[p14n]

No description provided.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request introduces gRPC support for fetching events. It includes the necessary gRPC dependencies, protobuf definitions, server and client implementations, and an interface for the catchup server. It also implements the CatchupServerInterface in CatchupServer.

Sequence diagram for fetching events via gRPC

sequenceDiagram
    participant Client
    participant CatchupGrpcClient
    participant CatchupGrpcServer
    participant CatchupServer

    Client->>CatchupGrpcClient: fetchEvents(startAfter, end, maxResults)
    CatchupGrpcClient->>CatchupGrpcServer: fetchEvents(FetchEventsRequest)
    CatchupGrpcServer->>CatchupServer: fetchEvents(startAfter, end, maxResults)
    CatchupServer-->>CatchupGrpcServer: List<Event>
    CatchupGrpcServer-->>CatchupGrpcClient: FetchEventsResponse
    CatchupGrpcClient-->>Client: List<Event>

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Class diagram for CatchupGrpcServer

classDiagram
    class CatchupGrpcServer {
        -int port
        -Server server
        +CatchupGrpcServer(int port, CatchupServerInterface catchupServer)
        +void start()
        +void stop()
        +void blockUntilShutdown()
    }
    class CatchupServiceImpl {
        -CatchupServerInterface catchupServer
        +CatchupServiceImpl(CatchupServerInterface catchupServer)
        +void fetchEvents(FetchEventsRequest request, StreamObserver~FetchEventsResponse~ responseObserver)
        -Event convertToGrpcEvent(Event event)
    }
    CatchupGrpcServer -- CatchupServiceImpl : uses
    CatchupServiceImpl -- CatchupServerInterface : uses

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Class diagram for CatchupGrpcClient

classDiagram
    class CatchupGrpcClient {
        -ManagedChannel channel
        -CatchupServiceBlockingStub blockingStub
        -String topic
        +CatchupGrpcClient(String host, int port, String topic)
        +List~Event~ fetchEvents(long startAfter, long end, int maxResults)
        -Event convertFromGrpcEvent(Event grpcEvent)
        +void close()
    }
    CatchupGrpcClient -- CatchupServiceBlockingStub : uses
    CatchupGrpcClient ..|> CatchupServerInterface : implements

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File-Level Changes

Change	Details	Files
Configures gRPC dependencies and protobuf plugin for gRPC code generation.	Added gRPC dependencies. Added protobuf plugin configuration. Configured source sets to include generated gRPC code.	build.gradle
Introduces a gRPC server for fetching events.	Created a gRPC service definition using protobuf. Implemented a gRPC server to expose the event fetching functionality. Implemented a gRPC client to consume the event fetching functionality. Added an interface for the catchup server.	src/main/java/com/p14n/postevent/catchup/grpc/CatchupGrpcServer.java src/main/java/com/p14n/postevent/catchup/grpc/CatchupGrpcClient.java src/main/java/com/p14n/postevent/catchup/CatchupServerInterface.java src/main/proto/catchup.proto
Implements the CatchupServerInterface in CatchupServer.	Implemented the CatchupServerInterface in CatchupServer.	src/main/java/com/p14n/postevent/catchup/CatchupServer.java

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[sourcery-ai]

Hey @p14n - I've reviewed your changes - here's some feedback:

Overall Comments:

• Consider adding a health check endpoint to the gRPC server for monitoring purposes.
• It might be useful to add some logging or metrics around gRPC request latency.

Here's what I looked at during the review

• 🟡 General issues: 1 issue found
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[sourcery-ai]

issue (bug_risk): Potential NullPointerException in time conversion.

If grpcEvent.getTime() returns an empty string, the variable 'time' remains null, and calling 'time.toInstant()' will throw a NullPointerException. Consider adding a null check or handling the absence of time appropriately.