resources amount function created

Signed-off-by: Mattia Lavacca <[email protected]>

cmd/print.go

@@ -83,7 +83,7 @@ func (pr *PrintRunner) PrintGatewaysAndHTTPRoutes(cmd *cobra.Command, _ []string
 }
 
 func (pr *PrintRunner) outputResult(resources i2gw.GatewayResources) {
-	if len(resources.Gateways)+len(resources.HTTPRoutes)+len(resources.TCPRoutes) == 0 {
+	if resources.ResourcesAmount() == 0 {
 		msg := "No resources found"
 		if pr.namespaceFilter != "" {
 			msg = fmt.Sprintf("%s in %s namespace", msg, pr.namespaceFilter)

pkg/i2gw/provider.go

@@ -101,6 +101,17 @@ type GatewayResources struct {
 	ReferenceGrants map[types.NamespacedName]gatewayv1alpha2.ReferenceGrant
 }
 
+// ResourcesAmount returns the total amount of Gateway API resources to display.
+func (r GatewayResources) ResourcesAmount() int {
+	return len(r.Gateways) +
+		len(r.GatewayClasses) +
+		len(r.HTTPRoutes) +
+		len(r.TLSRoutes) +
+		len(r.TCPRoutes) +
+		len(r.UDPRoutes)
+
+}
+
 // FeatureParser is a function that reads the InputResources, and applies
 // the appropriate modifications to the GatewayResources.
 //