Expose iOS copy payload API

crates/tele-ios-ffi/src/lib.rs

@@ -690,6 +690,13 @@ impl SessionHandle {
             .map_err(IosFfiError::from)
     }
 
+    pub fn copy_payload(&self, chat_id: i64, message_id: i64) -> Result<String, IosFfiError> {
+        let mut session = self.session.lock().expect("session mutex poisoned");
+        self.runtime
+            .block_on(session.copy_payload(ChatId::new(chat_id), MessageId::new(message_id)))
+            .map_err(IosFfiError::from)
+    }
+
     pub fn download_photo(&self, file_id: i32) -> Result<IosDownloadedFile, IosFfiError> {
         let session = self.session.lock().expect("session mutex poisoned");
         self.runtime
@@ -1175,6 +1182,16 @@ impl SessionHandle {
         Ok(())
     }
 
+    pub fn copy_payload(&self, chat_id: i64, message_id: i64) -> Result<String, IosFfiError> {
+        let state = self.state.lock().expect("session mutex poisoned");
+        state
+            .messages
+            .get(&chat_id)
+            .and_then(|messages| messages.iter().find(|message| message.id == message_id))
+            .map(|message| message.text.clone())
+            .ok_or_else(|| IosFfiError::Operation { message: "message not found".to_string() })
+    }
+
     pub fn download_photo(&self, file_id: i32) -> Result<IosDownloadedFile, IosFfiError> {
         self.standalone_download_file(file_id)
     }
@@ -1265,6 +1282,7 @@ mod tests {
             .send_message(chats[0].id, "Hi from Swift".to_string(), None)
             .unwrap();
         assert_eq!(sent.text, "Hi from Swift");
+        assert_eq!(session.copy_payload(chats[0].id, sent.id).unwrap(), "Hi from Swift");
 
         let reactions = session
             .react(chats[0].id, sent.id, "👍".to_string())