Work on API

src/api/s3_delete.rs

@@ -0,0 +1,54 @@
+use std::sync::Arc;
+
+use garage_util::data::*;
+use garage_util::error::Error;
+
+use garage_core::garage::Garage;
+use garage_core::object_table::*;
+
+pub async fn handle_delete(garage: Arc<Garage>, bucket: &str, key: &str) -> Result<UUID, Error> {
+	let object = match garage
+		.object_table
+		.get(&bucket.to_string(), &key.to_string())
+		.await?
+	{
+		None => {
+			// No need to delete
+			return Ok([0u8; 32].into());
+		}
+		Some(o) => o,
+	};
+
+	let interesting_versions = object.versions().iter().filter(|v| {
+		v.data != ObjectVersionData::DeleteMarker && v.state != ObjectVersionState::Aborted
+	});
+
+	let mut must_delete = false;
+	let mut timestamp = now_msec();
+	for v in interesting_versions {
+		must_delete = true;
+		timestamp = std::cmp::max(timestamp, v.timestamp + 1);
+	}
+
+	if !must_delete {
+		return Ok([0u8; 32].into());
+	}
+
+	let version_uuid = gen_uuid();
+
+	let object = Object::new(
+		bucket.into(),
+		key.into(),
+		vec![ObjectVersion {
+			uuid: version_uuid,
+			timestamp: now_msec(),
+			mime_type: "application/x-delete-marker".into(),
+			size: 0,
+			state: ObjectVersionState::Complete,
+			data: ObjectVersionData::DeleteMarker,
+		}],
+	);
+
+	garage.object_table.insert(&object).await?;
+	return Ok(version_uuid);
+}