From 783b586de93ffa210d6c34fd7cc266220a57a4d2 Mon Sep 17 00:00:00 2001
From: Alex Auvolat <alex@adnab.me>
Date: Tue, 19 Mar 2024 16:57:51 +0100
Subject: [bucket-id-prefix] CLI: allow manipulating buckets by prefixes of
 their full IDs

---
 src/model/helper/bucket.rs | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

(limited to 'src/model')

diff --git a/src/model/helper/bucket.rs b/src/model/helper/bucket.rs
index f4e669c3..4ae9122f 100644
--- a/src/model/helper/bucket.rs
+++ b/src/model/helper/bucket.rs
@@ -67,6 +67,49 @@ impl<'a> BucketHelper<'a> {
 		}
 	}
 
+	/// Find a bucket by its global alias or a prefix of its uuid
+	pub async fn admin_get_existing_matching_bucket(
+		&self,
+		pattern: &String,
+	) -> Result<Uuid, Error> {
+		if let Some(uuid) = self.resolve_global_bucket_name(pattern).await? {
+			return Ok(uuid);
+		} else if pattern.len() >= 2 {
+			let hexdec = pattern
+				.get(..pattern.len() & !1)
+				.and_then(|x| hex::decode(x).ok());
+			if let Some(hex) = hexdec {
+				let mut start = [0u8; 32];
+				start
+					.as_mut_slice()
+					.get_mut(..hex.len())
+					.ok_or_bad_request("invalid length")?
+					.copy_from_slice(&hex);
+				let mut candidates = self
+					.0
+					.bucket_table
+					.get_range(
+						&EmptyKey,
+						Some(start.into()),
+						Some(DeletedFilter::NotDeleted),
+						10,
+						EnumerationOrder::Forward,
+					)
+					.await?
+					.into_iter()
+					.collect::<Vec<_>>();
+				candidates.retain(|x| hex::encode(x.id).starts_with(pattern));
+				if candidates.len() == 1 {
+					return Ok(candidates.into_iter().next().unwrap().id);
+				}
+			}
+		}
+		Err(Error::BadRequest(format!(
+			"Bucket not found / several matching buckets: {}",
+			pattern
+		)))
+	}
+
 	/// Returns a Bucket if it is present in bucket table,
 	/// even if it is in deleted state. Querying a non-existing
 	/// bucket ID returns an internal error.
-- 
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