Introduce `Storage::update_with`

This function takes a closure that modifies the post. This could be
useful in maintenance utilities that scan and fixup posts. For now
this isn't used anywhere within Kittybox, but once all backends
implement this correctly, this could replace `Storage::update_post`
calls. For supporting backends, `Storage::update_post` is implemented
in terms of `Storage::update_with`.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/database/memory.rs b/src/database/memory.rs
index a4ffc7b..f799f2c 100644
--- a/src/database/memory.rs
+++ b/src/database/memory.rs
@@ -232,4 +232,11 @@ impl Storage for MemoryStorage {
         todo!()
     }
 
+    #[allow(unused_variables)]
+    async fn update_with<F: FnOnce(&mut serde_json::Value) + Send>(
+        &self, url: &str, f: F
+    ) -> Result<(serde_json::Value, serde_json::Value)> {
+        todo!()
+    }
+
 }