database: introduce read_feed_with_cursor

read_feed_with_cursor allows using an arbitrary string as a cursor,
unlike read_feed_with_limit, which uses last post's UID as a cursor.

1 files changed, 12 insertions, 1 deletions

diff --git a/kittybox-rs/src/database/memory.rs b/kittybox-rs/src/database/memory.rs
index 9d79ecc..36e924f 100644
--- a/kittybox-rs/src/database/memory.rs
+++ b/kittybox-rs/src/database/memory.rs
@@ -238,6 +238,17 @@ impl Storage for MemoryStorage {
         todo!()
     }
 
+    #[allow(unused_variables)]
+    async fn read_feed_with_cursor(
+        &self,
+        url: &'_ str,
+        cursor: Option<&'_ str>,
+        limit: usize,
+        user: Option<&'_ str>
+    ) -> Result<Option<(serde_json::Value, Option<String>)>> {
+        todo!()
+    }
+
     async fn delete_post(&self, url: &'_ str) -> Result<()> {
         self.mapping.write().await.remove(url);
         Ok(())
@@ -249,7 +260,7 @@ impl Storage for MemoryStorage {
     }
 
     #[allow(unused_variables)]
-    async fn set_setting<S: settings::Setting<'a>, 'a>(&self, user: &'_ str, value: S::Data) -> Result<()> {
+    async fn set_setting<S: settings::Setting<'a> + 'a, 'a>(&self, user: &'a str, value: S::Data) -> Result<()> {
         todo!()
     }