Use vault views for entry and recycle-bin state

internal/vaultview/view.go

@@ -28,7 +28,7 @@ func Vault(model vault.Model) View {
 // VaultRoot returns the logical main-vault view rooted at the physical
 // keepass storage group.
 func VaultRoot(model vault.Model) View {
-	return rootView{model: model}
+	return rootView{model: model, rooted: usesKeepassRoot(model)}
 }
 
 // VaultRecycleBin returns the logical recycle-bin view.
@@ -69,7 +69,8 @@ func (v physicalView) FromPhysicalEntry(entry vault.Entry) vault.Entry {
 }
 
 type rootView struct {
-	model vault.Model
+	model  vault.Model
+	rooted bool
 }
 
 func (v rootView) ChildGroups(path []string) []string {
@@ -85,6 +86,9 @@ func (v rootView) EntriesUnderPath(path []string) []vault.Entry {
 }
 
 func (v rootView) ToPhysicalPath(path []string) []string {
+	if !v.rooted {
+		return clonePath(path)
+	}
 	if len(path) == 0 {
 		return []string{KeepassRoot}
 	}
@@ -92,6 +96,9 @@ func (v rootView) ToPhysicalPath(path []string) []string {
 }
 
 func (v rootView) FromPhysicalPath(path []string) []string {
+	if !v.rooted {
+		return clonePath(path)
+	}
 	if len(path) == 0 {
 		return nil
 	}
@@ -267,3 +274,25 @@ func clonePath(path []string) []string {
 	}
 	return slices.Clone(path)
 }
+
+func usesKeepassRoot(model vault.Model) bool {
+	if len(model.Entries) == 0 && len(model.Groups) == 0 && len(model.RecycleBin) == 0 {
+		return true
+	}
+	for _, group := range model.Groups {
+		if len(group) > 0 && group[0] == KeepassRoot {
+			return true
+		}
+	}
+	for _, entry := range model.Entries {
+		if len(entry.Path) > 0 && entry.Path[0] == KeepassRoot {
+			return true
+		}
+	}
+	for _, entry := range model.RecycleBin {
+		if len(entry.Path) > 0 && entry.Path[0] == KeepassRoot {
+			return true
+		}
+	}
+	return false
+}