Napi::Value Consumer::Unsubscribe()

in src/Consumer.cc [522:543]

• 19 lines of code
• 2 McCabe index (conditional complexity)

Napi::Value Consumer::Unsubscribe(const Napi::CallbackInfo &info) {
  auto deferred = ThreadSafeDeferred::New(Env());
  auto ctx = new ExtDeferredContext(deferred);

  pulsar_consumer_pause_message_listener(this->cConsumer.get());
  pulsar_consumer_unsubscribe_async(
      this->cConsumer.get(),
      [](pulsar_result result, void *ctx) {
        auto deferredContext = static_cast<ExtDeferredContext *>(ctx);
        auto deferred = deferredContext->deferred;
        delete deferredContext;

        if (result != pulsar_result_Ok) {
          deferred->Reject(std::string("Failed to unsubscribe consumer: ") + pulsar_result_str(result));
        } else {
          deferred->Resolve(THREADSAFE_DEFERRED_RESOLVER(env.Null()));
        }
      },
      ctx);

  return deferred->Promise();
}