func()

in src/frontend/rpc.go [99:117]

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

func (fe *frontendServer) getRecommendations(ctx context.Context, userID string, productIDs []string) ([]*pb.Product, error) {
	resp, err := pb.NewRecommendationServiceClient(fe.recommendationSvcConn).ListRecommendations(ctx,
		&pb.ListRecommendationsRequest{UserId: userID, ProductIds: productIDs})
	if err != nil {
		return nil, err
	}
	out := make([]*pb.Product, len(resp.GetProductIds()))
	for i, v := range resp.GetProductIds() {
		p, err := fe.getProduct(ctx, v)
		if err != nil {
			return nil, errors.Wrapf(err, "failed to get recommended product info (#%s)", v)
		}
		out[i] = p
	}
	if len(out) > 4 {
		out = out[:4] // take only first four to fit the UI
	}
	return out, err
}