fix: start ephemeral timer for all archived chats

src/chat.rs

@@ -688,6 +688,10 @@ impl ChatId {
             })
             .await?;
 
+        if visibility == ChatVisibility::Archived {
+            start_chat_ephemeral_timers(context, self).await?;
+        }
+
         context.emit_msgs_changed_without_ids();
         chatlist_events::emit_chatlist_changed(context);
         chatlist_events::emit_chatlist_item_changed(context, self);
@@ -3266,6 +3270,7 @@ pub async fn marknoticed_chat(context: &Context, chat_id: ChatId) -> Result<()>
             .await?;
 
         for chat_id_in_archive in chat_ids_in_archive {
+            start_chat_ephemeral_timers(context, chat_id_in_archive).await?;
             context.emit_event(EventType::MsgsNoticed(chat_id_in_archive));
             chatlist_events::emit_chatlist_item_changed(context, chat_id_in_archive);
         }

src/ephemeral.rs

@@ -716,7 +716,9 @@ pub(crate) async fn start_ephemeral_timers(context: &Context) -> Result<()> {
 mod tests {
     use super::*;
     use crate::chat::marknoticed_chat;
+    use crate::chat::ChatVisibility;
     use crate::config::Config;
+    use crate::constants::DC_CHAT_ID_ARCHIVED_LINK;
     use crate::download::DownloadState;
     use crate::location;
     use crate::message::markseen_msgs;
@@ -1468,4 +1470,32 @@ mod tests {
             .is_none());
         Ok(())
     }
+
+    /// Tests that archiving the chat starts ephemeral timer.
+    #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+    async fn test_archived_ephemeral_timer() -> Result<()> {
+        let mut tcm = TestContextManager::new();
+        let alice = &tcm.alice().await;
+        let bob = &tcm.bob().await;
+
+        let chat = alice.create_chat(bob).await;
+        let duration = 60;
+        chat.id
+            .set_ephemeral_timer(alice, Timer::Enabled { duration })
+            .await?;
+        let bob_received_message = tcm.send_recv(alice, bob, "Hello!").await;
+
+        bob_received_message
+            .chat_id
+            .set_visibility(bob, ChatVisibility::Archived)
+            .await?;
+        SystemTime::shift(Duration::from_secs(100));
+
+        delete_expired_messages(bob, time()).await?;
+
+        assert!(Message::load_from_db_optional(bob, bob_received_message.id)
+            .await?
+            .is_none());
+        Ok(())
+    }
 }