fix: synchronize contact name changes

deltachat-rpc-client/tests/test_something.py

@@ -730,3 +730,20 @@ def test_no_old_msg_is_fresh(acfactory):
     assert ev.chat_id == first_msg.get_snapshot().chat_id
     assert ac1.create_chat(ac2).get_fresh_message_count() == 0
     assert len(list(ac1.get_fresh_messages())) == 0
+
+
+def test_rename_synchronization(acfactory):
+    """Test synchronization of contact renaming."""
+    alice, bob = acfactory.get_online_accounts(2)
+    alice2 = alice.clone()
+    alice2.bring_online()
+
+    bob.set_config("displayname", "Bob")
+    bob.create_chat(alice).send_text("Hello!")
+    alice_msg = alice.wait_for_incoming_msg().get_snapshot()
+    alice2_msg = alice2.wait_for_incoming_msg().get_snapshot()
+
+    assert alice2_msg.sender.get_snapshot().display_name == "Bob"
+    alice_msg.sender.set_name("Bobby")
+    alice2.wait_for_event(EventType.CONTACTS_CHANGED)
+    assert alice2_msg.sender.get_snapshot().display_name == "Bobby"

src/contact.rs

@@ -102,7 +102,7 @@ impl ContactId {
     /// for this contact will switch to the
     /// contact's authorized name.
     pub async fn set_name(self, context: &Context, name: &str) -> Result<()> {
-        context
+        let addr = context
             .sql
             .transaction(|transaction| {
                 let is_changed = transaction.execute(
@@ -111,10 +111,31 @@ impl ContactId {
                 )? > 0;
                 if is_changed {
                     update_chat_names(context, transaction, self)?;
+                    let addr = transaction.query_row(
+                        "SELECT addr FROM contacts WHERE id=?",
+                        (self,),
+                        |row| {
+                            let addr: String = row.get(0)?;
+                            Ok(addr)
+                        },
+                    )?;
+                    Ok(Some(addr))
+                } else {
+                    Ok(None)
                 }
-                Ok(())
             })
             .await?;
+
+        if let Some(addr) = addr {
+            chat::sync(
+                context,
+                chat::SyncId::ContactAddr(addr.to_string()),
+                chat::SyncAction::Rename(name.to_string()),
+            )
+            .await
+            .log_err(context)
+            .ok();
+        }
         Ok(())
     }