Move handling of MessageType::Chat to message::receive::chat module

xmpp/src/message/receive/chat.rs

@@ -0,0 +1,50 @@
+// Copyright (c) 2023 xmpp-rs contributors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+use tokio_xmpp::{
+    parsers::{message::Message, muc::user::MucUser},
+    Jid,
+};
+
+use crate::{Agent, Event};
+
+pub async fn handle_message_chat(
+    agent: &mut Agent,
+    events: &mut Vec<Event>,
+    from: Jid,
+    message: &Message,
+) {
+    let langs: Vec<&str> = agent.lang.iter().map(String::as_str).collect();
+    if let Some((_lang, body)) = message.get_best_body(langs) {
+        let mut found_special_message = false;
+
+        for payload in &message.payloads {
+            if let Ok(_) = MucUser::try_from(payload.clone()) {
+                let event = match from.clone() {
+                    Jid::Bare(bare) => {
+                        // TODO: Can a service message be of type Chat/Normal and not Groupchat?
+                        warn!("Received misformed MessageType::Chat in muc#user namespace from a bare JID.");
+                        Event::ServiceMessage(message.id.clone(), bare, body.clone())
+                    }
+                    Jid::Full(full) => Event::RoomPrivateMessage(
+                        message.id.clone(),
+                        full.to_bare(),
+                        full.resource_str().to_owned(),
+                        body.clone(),
+                    ),
+                };
+
+                found_special_message = true;
+                events.push(event);
+            }
+        }
+
+        if !found_special_message {
+            let event = Event::ChatMessage(message.id.clone(), from.to_bare(), body.clone());
+            events.push(event);
+        }
+    }
+}