From 54c9736a247bb3534a285caa637c9afb052bc2dd Mon Sep 17 00:00:00 2001
From: Quentin Dufour <quentin@deuxfleurs.fr>
Date: Wed, 27 Dec 2023 14:58:09 +0100
Subject: implemente garage storage

---
 src/storage/garage.rs | 64 +++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 59 insertions(+), 5 deletions(-)

(limited to 'src/storage/garage.rs')

diff --git a/src/storage/garage.rs b/src/storage/garage.rs
index fa6fbc1..f9ba756 100644
--- a/src/storage/garage.rs
+++ b/src/storage/garage.rs
@@ -168,7 +168,65 @@ impl IStore for GarageStore {
         Ok(row_vals)
     }
     async fn row_rm<'a>(&self, select: &Selector<'a>) -> Result<(), StorageError> {
-        unimplemented!();
+        let del_op = match select {
+            Selector::Range { shard, sort_begin, sort_end } => vec![k2v_client::BatchDeleteOp {
+                partition_key: shard,
+                prefix: None,
+                start: Some(sort_begin),
+                end: Some(sort_end),
+                single_item: false,
+            }],
+            Selector::List(row_ref_list) => {
+                // Insert null values with causality token = delete
+                let batch_op = row_ref_list.iter().map(|v| k2v_client::BatchInsertOp {
+                    partition_key: &v.uid.shard,
+                    sort_key: &v.uid.sort,
+                    causality: v.causality.clone().map(|ct| ct.into()),
+                    value: k2v_client::K2vValue::Tombstone,
+                }).collect::<Vec<_>>();
+                
+                return match self.k2v.insert_batch(&batch_op).await {
+                    Err(e) => {
+                        tracing::error!("Unable to delete the list of values: {}", e);
+                        Err(StorageError::Internal)
+                    },
+                    Ok(_) => Ok(()),
+                };
+            },
+            Selector::Prefix { shard, sort_prefix } => vec![k2v_client::BatchDeleteOp {
+                partition_key: shard,
+                prefix: Some(sort_prefix),
+                start: None,
+                end: None,
+                single_item: false,
+            }],
+            Selector::Single(row_ref) => {
+                // Insert null values with causality token = delete
+                let batch_op = vec![k2v_client::BatchInsertOp {
+                    partition_key: &row_ref.uid.shard,
+                    sort_key: &row_ref.uid.sort,
+                    causality: row_ref.causality.clone().map(|ct| ct.into()),
+                    value: k2v_client::K2vValue::Tombstone,
+                }];
+                
+                return match self.k2v.insert_batch(&batch_op).await {
+                    Err(e) => {
+                        tracing::error!("Unable to delete the list of values: {}", e);
+                        Err(StorageError::Internal)
+                    },
+                    Ok(_) => Ok(()),
+                };
+            },
+        };
+
+        // Finally here we only have prefix & range
+        match self.k2v.delete_batch(&del_op).await {
+            Err(e) => {
+                tracing::error!("delete batch error: {}", e);
+                Err(StorageError::Internal)
+            },
+            Ok(_) => Ok(()),
+        }
     }
 
     async fn row_insert(&self, values: Vec<RowVal>) -> Result<(), StorageError> {
@@ -223,10 +281,6 @@ impl IStore for GarageStore {
         }
     }
 
-    async fn row_rm_single(&self, entry: &RowRef) -> Result<(), StorageError> {
-        unimplemented!();
-    }
-
     async fn blob_fetch(&self, blob_ref: &BlobRef) -> Result<BlobVal, StorageError> {
         let maybe_out =  self.s3
             .get_object()
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