in src/productcatalogservice/main.go [283:297]
func (p *productCatalog) SearchProducts(ctx context.Context, req *pb.SearchProductsRequest) (*pb.SearchProductsResponse, error) {
span := trace.SpanFromContext(ctx)
var result []*pb.Product
for _, product := range catalog {
if strings.Contains(strings.ToLower(product.Name), strings.ToLower(req.Query)) ||
strings.Contains(strings.ToLower(product.Description), strings.ToLower(req.Query)) {
result = append(result, product)
}
}
span.SetAttributes(
attribute.Int("app.products_search.count", len(result)),
)
return &pb.SearchProductsResponse{Results: result}, nil
}