From 2c593cd38c5dc13779892ce75afcdd0c65452a50 Mon Sep 17 00:00:00 2001
From: Thomas Lamprecht <t.lamprecht@proxmox.com>
Date: Thu, 28 Apr 2022 09:37:10 +0200
Subject: [PATCH] api types: BackupNamespace add pop & parent helpers

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
---
 pbs-api-types/src/datastore.rs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/pbs-api-types/src/datastore.rs b/pbs-api-types/src/datastore.rs
index f78c7f26..32558066 100644
--- a/pbs-api-types/src/datastore.rs
+++ b/pbs-api-types/src/datastore.rs
@@ -563,6 +563,25 @@ impl BackupNamespace {
         Ok(child)
     }
 
+    /// Pop one level off the namespace hierachy
+    pub fn pop(&mut self) {
+        if let Some(dropped) = self.inner.pop() {
+            self.len = self.len.saturating_sub(dropped.len() + 1);
+        }
+    }
+
+    /// Get the namespace parent as owned BackupNamespace
+    pub fn parent(&self) -> Self {
+        if self.is_root() {
+            return Self::root();
+        }
+
+        let mut parent = self.clone();
+        parent.pop();
+
+        parent
+    }
+
     /// Create a new namespace directly from a vec.
     ///
     /// # Safety