fix: rewrite attachment deletion logic

crates/quark/src/impl/mongo/autumn/attachment.rs

@@ -122,4 +122,27 @@ impl AbstractAttachment for MongoDb {
                 with: "attachment",
             })
     }
+
+    async fn mark_attachments_as_deleted(&self, ids: &[String]) -> Result<()> {
+        self.col::<Document>(COL)
+            .update_many(
+                doc! {
+                    "_id": {
+                        "$in": ids
+                    }
+                },
+                doc! {
+                    "$set": {
+                        "deleted": true
+                    }
+                },
+                None,
+            )
+            .await
+            .map(|_| ())
+            .map_err(|_| Error::DatabaseError {
+                operation: "update",
+                with: "attachments",
+            })
+    }
 }

crates/quark/src/impl/mongo/channels/message.rs

@@ -14,7 +14,7 @@ impl MongoDb {
     pub async fn delete_bulk_messages(&self, projection: Document) -> Result<()> {
         let mut for_attachments = projection.clone();
         for_attachments.insert(
-            "attachment",
+            "attachments",
             doc! {
                 "$exists": 1_i32
             },
@@ -126,10 +126,7 @@ impl AbstractMessage for MongoDb {
     }
 
     async fn delete_message(&self, id: &str) -> Result<()> {
-        self.delete_bulk_messages(doc! {
-            "_id": id
-        })
-        .await
+        self.delete_one_by_id(COL, id).await.map(|_| ())
     }
 
     async fn delete_messages(&self, channel: &str, ids: Vec<String>) -> Result<()> {