func()

in src/product-catalog/main.go [283:318]

• 31 lines of code
• 5 McCabe index (conditional complexity)

func (p *productCatalog) GetProduct(ctx context.Context, req *pb.GetProductRequest) (*pb.Product, error) {
	span := trace.SpanFromContext(ctx)
	span.SetAttributes(
		attribute.String("app.product.id", req.Id),
	)

	// GetProduct will fail on a specific product when feature flag is enabled
	if p.checkProductFailure(ctx, req.Id) {
		msg := fmt.Sprintf("Error: Product Catalog Fail Feature Flag Enabled")
		span.SetStatus(otelcodes.Error, msg)
		span.AddEvent(msg)
		return nil, status.Errorf(codes.Internal, msg)
	}

	var found *pb.Product
	for _, product := range catalog {
		if req.Id == product.Id {
			found = product
			break
		}
	}

	if found == nil {
		msg := fmt.Sprintf("Product Not Found: %s", req.Id)
		span.SetStatus(otelcodes.Error, msg)
		span.AddEvent(msg)
		return nil, status.Errorf(codes.NotFound, msg)
	}

	msg := fmt.Sprintf("Product Found - ID: %s, Name: %s", req.Id, found.Name)
	span.AddEvent(msg)
	span.SetAttributes(
		attribute.String("app.product.name", found.Name),
	)
	return found, nil
}