Don't use nanos

src/handlers.rs

@@ -131,7 +131,7 @@ pub async fn store_file(
     // It'd be nice to use the UUID crate for the file ID, but clients want an integer ID
     const UPPER_BOUND: u64 = 2u64.pow(53); // JS has trouble if we go higher than this
     let id: u64 = thread_rng().gen_range(0..UPPER_BOUND);
-    let now = chrono::Utc::now().timestamp_nanos();
+    let now = chrono::Utc::now().timestamp();
     // Check authorization level if needed
     match rpc::MODE {
         rpc::Mode::OpenGroupServer => {

src/storage.rs

@@ -244,7 +244,7 @@ pub async fn prune_files(file_expiration: i64) {
     for room in rooms {
         // It's not catastrophic if we fail to prune the database for a given room
         let pool = pool_by_room_id(&room);
-        let now = chrono::Utc::now().timestamp_nanos();
+        let now = chrono::Utc::now().timestamp();
         let expiration = now - file_expiration;
         // Get a database connection and open a transaction
         let conn = match pool.get() {