UnifiedSearch: Introduce a DocumentBuilder interface (#96738)

pkg/storage/unified/resource/keys.go

@@ -1,5 +1,10 @@
 package resource
 
+import (
+	"fmt"
+	"strings"
+)
+
 func verifyRequestKey(key *ResourceKey) *ErrorResult {
 	if key == nil {
 		return NewBadRequestError("missing resource key")
@@ -28,3 +33,39 @@ func matchesQueryKey(query *ResourceKey, key *ResourceKey) bool {
 	}
 	return true
 }
+
+const clusterNamespace = "**cluster**"
+
+// Convert the key to a search ID string
+func (x *ResourceKey) SearchID() string {
+	var sb strings.Builder
+	if x.Namespace == "" {
+		sb.WriteString(clusterNamespace)
+	} else {
+		sb.WriteString(x.Namespace)
+	}
+	sb.WriteString("/")
+	sb.WriteString(x.Group)
+	sb.WriteString("/")
+	sb.WriteString(x.Resource)
+	sb.WriteString("/")
+	sb.WriteString(x.Name)
+	return sb.String()
+}
+
+func (x *ResourceKey) ReadSearchID(v string) error {
+	parts := strings.Split(v, "/")
+	if len(parts) != 4 {
+		return fmt.Errorf("invalid search id (expecting 3 slashes)")
+	}
+
+	x.Namespace = parts[0]
+	x.Group = parts[1]
+	x.Resource = parts[2]
+	x.Name = parts[3]
+
+	if x.Namespace == clusterNamespace {
+		x.Namespace = ""
+	}
+	return nil
+}