From 9de61961daa394278aa899f8adf36e626623e24e Mon Sep 17 00:00:00 2001
From: Alex Pana <8968914+acpana@users.noreply.github.com>
Date: Wed, 24 Jul 2024 20:45:19 +0000
Subject: [PATCH 1/2] enh: use maputils

Signed-off-by: Alex Pana <8968914+acpana@users.noreply.github.com>
---
 .../controllerbuilder/template/controller.go  | 45 ++-----------------
 1 file changed, 3 insertions(+), 42 deletions(-)

diff --git a/dev/tools/controllerbuilder/template/controller.go b/dev/tools/controllerbuilder/template/controller.go
index 0bb18f973f..e53cbffdfd 100644
--- a/dev/tools/controllerbuilder/template/controller.go
+++ b/dev/tools/controllerbuilder/template/controller.go
@@ -33,6 +33,7 @@ import (
 	krm "github.com/GoogleCloudPlatform/k8s-config-connector/apis/{{.Service}}/{{.Version}}"
 	refs "github.com/GoogleCloudPlatform/k8s-config-connector/apis/refs/v1beta1"
 	"github.com/GoogleCloudPlatform/k8s-config-connector/pkg/config"
+	"github.com/GoogleCloudPlatform/k8s-config-connector/pkg/controller/direct"
 	"github.com/GoogleCloudPlatform/k8s-config-connector/pkg/controller/direct/directbase"
 	"github.com/GoogleCloudPlatform/k8s-config-connector/pkg/controller/direct/registry"
 
@@ -93,7 +94,7 @@ func (m *model) AdapterForObject(ctx context.Context, reader client.Reader, u *u
 	}
 
 	// Get ResourceID
-	resourceID := ValueOf(obj.Spec.ResourceID)
+	resourceID := direct.ValueOf(obj.Spec.ResourceID)
 	if resourceID == "" {
 		resourceID = obj.GetName()
 	}
@@ -151,7 +152,7 @@ func (a *Adapter) Find(ctx context.Context) (bool, error) {
 	req := &{{.Service}}pb.Get{{.Kind}}Request{Name: a.fullyQualifiedName()}
 	{{.KindToLower}}pb, err := a.gcpClient.Get{{.Kind}}(ctx, req)
 	if err != nil {
-		if IsNotFound(err) {
+		if direct.IsNotFound(err) {
 			return false, nil
 		}
 		return false, fmt.Errorf("getting {{.Kind}} %q: %w", a.fullyQualifiedName(), err)
@@ -297,46 +298,6 @@ func setStatus(u *unstructured.Unstructured, typedStatus any) error {
 	return nil
 }
 
-func ValueOf[T any](p *T) T {
-	var v T
-	if p != nil {
-		v = *p
-	}
-	return v
-}
-
-// IsNotFound returns true if the given error is an HTTP 404.
-func IsNotFound(err error) bool {
-	return HasHTTPCode(err, 404)
-}
-
-// HasHTTPCode returns true if the given error is an HTTP response with the given code.
-func HasHTTPCode(err error, code int) bool {
-	if err == nil {
-		return false
-	}
-	apiError := &apierror.APIError{}
-	if errors.As(err, &apiError) {
-		if apiError.HTTPCode() == code {
-			return true
-		}
-	} else {
-		klog.Warningf("unexpected error type %T", err)
-	}
-	return false
-}
-
-// LazyPtr returns a pointer to v, unless it is the empty value, in which case it returns nil.
-// It is essentially the inverse of ValueOf, though it is lossy
-// because we can't tell nil and empty apart without a pointer.
-func LazyPtr[T comparable](v T) *T {
-	var defaultValue T
-	if v == defaultValue {
-		return nil
-	}
-	return &v
-}
-
 func ToOpenAPIDateTime(ts *timestamppb.Timestamp) *string {
 	formatted := ts.AsTime().Format(time.RFC3339)
 	return &formatted

From 2453de260aa1c9b6a9c7eeabca42b59d14235498 Mon Sep 17 00:00:00 2001
From: Alex Pana <8968914+acpana@users.noreply.github.com>
Date: Wed, 24 Jul 2024 21:20:19 +0000
Subject: [PATCH 2/2] enh: use maputils

Signed-off-by: Alex Pana <8968914+acpana@users.noreply.github.com>
---
 dev/tools/proto-to-mapper/main.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dev/tools/proto-to-mapper/main.go b/dev/tools/proto-to-mapper/main.go
index 8246ff2d0a..b48f986772 100644
--- a/dev/tools/proto-to-mapper/main.go
+++ b/dev/tools/proto-to-mapper/main.go
@@ -362,7 +362,7 @@ func (v *visitor) writeMapFunctionsForPair(out io.Writer, pair *typePair) {
 	}
 
 	{
-		fmt.Fprintf(out, "func %s_FromProto(mapCtx *MapContext, in *pb.%s) *krm.%s {\n", goTypeName, pbTypeName, goTypeName)
+		fmt.Fprintf(out, "func %s_FromProto(mapCtx *direct.MapContext, in *pb.%s) *krm.%s {\n", goTypeName, pbTypeName, goTypeName)
 		fmt.Fprintf(out, "\tif in == nil {\n")
 		fmt.Fprintf(out, "\t\treturn nil\n")
 		fmt.Fprintf(out, "\t}\n")
@@ -658,7 +658,7 @@ func (v *visitor) writeMapFunctionsForPair(out io.Writer, pair *typePair) {
 						krmFieldName,
 					)
 				} else {
-					fmt.Fprintf(out, "\tout.%s = ValueOf(in.%s)\n",
+					fmt.Fprintf(out, "\tout.%s = direct.ValueOf(in.%s)\n",
 						protoFieldName,
 						krmFieldName,
 					)