fix: Update the channel title after joining if the QR code included a wrong title

src/chat.rs

@@ -3660,17 +3660,20 @@ pub(crate) async fn create_out_broadcast_ex(
             |row| row.get(0),
         )?;
         ensure!(cnt == 0, "{cnt} chats exist with grpid {grpid}");
+        let mut params: Params = Params::new();
+        params.update_timestamp(Param::GroupNameTimestamp, time())?;
 
         t.execute(
             "INSERT INTO chats
-            (type, name, name_normalized, grpid, created_timestamp)
-            VALUES(?, ?, ?, ?, ?)",
+            (type, name, name_normalized, grpid, created_timestamp, param)
+            VALUES(?, ?, ?, ?, ?, ?)",
             (
                 Chattype::OutBroadcast,
                 &chat_name,
                 normalize_text(&chat_name),
                 &grpid,
                 timestamp,
+                params.to_string(),
             ),
         )?;
         let chat_id = ChatId::new(t.last_insert_rowid().try_into()?);

src/chat/chat_tests.rs

@@ -2922,17 +2922,16 @@ async fn test_broadcast_change_name() -> Result<()> {
     let fiona = &tcm.fiona().await;
 
     let broadcast_id = create_broadcast(alice, "Channel".to_string()).await?;
-    let qr = get_securejoin_qr(alice, Some(broadcast_id)).await.unwrap();
-
-    tcm.section("Alice changes the chat name after creating the QR code, but before someone joins");
-    set_chat_name(alice, broadcast_id, "Updated name after creating QR code").await?;
-    alice.pop_sent_msg().await;
+    let mut qr = get_securejoin_qr(alice, Some(broadcast_id)).await.unwrap();
+    // Something goes wrong with the title, e.g. maybe it gets ellipsized
+    // Note that the title always comes at the end for human readability
+    qr += "+wrong+title";
 
     {
         tcm.section("Alice invites Bob to her channel");
         let bob_chat_id = tcm.exec_securejoin_qr(bob, alice, &qr).await;
         let bob_chat = Chat::load_from_db(bob, bob_chat_id).await?;
-        assert_eq!(bob_chat.name, "Updated name after creating QR code");
+        assert_eq!(bob_chat.name, "Channel");
     }
 
     tcm.section("Alice invites Fiona to her channel");