chore: Write tests for pinning

crates/core/database/src/models/server_members/model.rs

@@ -81,7 +81,7 @@ impl Member {
         server: &Server,
         user: &User,
         channels: Option<Vec<Channel>>,
-    ) -> Result<Vec<Channel>> {
+    ) -> Result<(Member, Vec<Channel>)> {
         if db.fetch_ban(&server.id, &user.id).await.is_ok() {
             return Err(create_error!(Banned));
         }
@@ -155,7 +155,7 @@ impl Member {
             .ok();
         }
 
-        Ok(channels)
+        Ok((member, channels))
     }
 
     /// Update member data

crates/core/database/src/util/idempotency.rs

@@ -18,6 +18,10 @@ static TOKEN_CACHE: Lazy<Mutex<lru::LruCache<String, ()>>> =
     Lazy::new(|| Mutex::new(lru::LruCache::new(NonZeroUsize::new(1000).unwrap())));
 
 impl IdempotencyKey {
+    pub fn unchecked_from_string(key: String) -> Self {
+        Self { key }
+    }
+
     // Backwards compatibility.
     // Issue #109
     pub async fn consume_nonce(&mut self, v: Option<String>) -> Result<()> {