refactor: node deletion

apps/backend/internal/virtualfs/key_resolver.go

@@ -4,53 +4,15 @@ import (
 	"context"
 
 	"github.com/get-drexa/drexa/internal/blob"
-	"github.com/google/uuid"
-	"github.com/uptrace/bun"
 )
 
 type BlobKeyResolver interface {
 	KeyMode() blob.KeyMode
 	Resolve(ctx context.Context, node *Node) (blob.Key, error)
+	ResolveDeletionKeys(ctx context.Context, node *Node, allKeys []blob.Key) (*DeletionPlan, error)
 }
 
-type FlatKeyResolver struct{}
-
-func NewFlatKeyResolver() *FlatKeyResolver {
-	return &FlatKeyResolver{}
-}
-
-func (r *FlatKeyResolver) KeyMode() blob.KeyMode {
-	return blob.KeyModeStable
-}
-
-func (r *FlatKeyResolver) Resolve(ctx context.Context, node *Node) (blob.Key, error) {
-	if node.BlobKey == "" {
-		id, err := uuid.NewV7()
-		if err != nil {
-			return "", err
-		}
-		return blob.Key(id.String()), nil
-	}
-	return node.BlobKey, nil
-}
-
-type HierarchicalKeyResolver struct {
-	db *bun.DB
-}
-
-func NewHierarchicalKeyResolver(db *bun.DB) *HierarchicalKeyResolver {
-	return &HierarchicalKeyResolver{db: db}
-}
-
-func (r *HierarchicalKeyResolver) KeyMode() blob.KeyMode {
-	return blob.KeyModeDerived
-}
-
-func (r *HierarchicalKeyResolver) Resolve(ctx context.Context, node *Node) (blob.Key, error) {
-	path, err := buildNodeAbsolutePath(ctx, r.db, node.ID)
-	if err != nil {
-		return "", err
-	}
-
-	return blob.Key(path), nil
+type DeletionPlan struct {
+	Prefix blob.Key
+	Keys   []blob.Key
 }