change layouts

src/handlers/chat.rs

@@ -14,11 +14,33 @@ use crate::{
 const MAX_MESSAGE_CHARS: usize = 1_000;
 const MAX_NAME_CHARS: usize = 40;
 
+#[derive(Clone, Copy)]
+enum MessageView {
+    User,
+    Supporter,
+}
+
 fn render_message(msg: &Message) -> String {
-    let (bubble_class, label) = match msg.sender {
-        MessageSender::User => ("msg-user", "You"),
-        MessageSender::Supporter => ("msg-supporter", "Support"),
-        MessageSender::System => ("msg-system", ""),
+    render_message_for(msg, MessageView::User)
+}
+
+fn render_supporter_message(msg: &Message) -> String {
+    render_message_for(msg, MessageView::Supporter)
+}
+
+fn render_message_for(msg: &Message, view: MessageView) -> String {
+    let bubble_class = match msg.sender {
+        MessageSender::User => "msg-user",
+        MessageSender::Supporter => "msg-supporter",
+        MessageSender::System => "msg-system",
+    };
+
+    let label = match (view, &msg.sender) {
+        (_, MessageSender::System) => "",
+        (MessageView::User, MessageSender::User) => "You",
+        (MessageView::User, MessageSender::Supporter) => "Support",
+        (MessageView::Supporter, MessageSender::User) => "User",
+        (MessageView::Supporter, MessageSender::Supporter) => "You",
     };
 
     if msg.sender == MessageSender::System {
@@ -83,6 +105,20 @@ pub async fn get_messages(
     Html(html)
 }
 
+/// GET /supporter/messages/:session_id
+pub async fn get_supporter_messages(
+    Path(session_id): Path<String>,
+    State(state): State<Arc<AppState>>,
+) -> Html<String> {
+    let Some(session) = state.sessions.get(&session_id) else {
+        return Html(render_system_notice(
+            "Session not found. Chat history may have been cleared.",
+        ));
+    };
+    let html: String = session.messages.iter().map(render_supporter_message).collect();
+    Html(html)
+}
+
 /// POST /send/:session_id — user sends a message
 pub async fn send_message(
     ConnectInfo(addr): ConnectInfo<SocketAddr>,
@@ -162,7 +198,7 @@ pub async fn supporter_send_message(
         content,
         timestamp: Utc::now(),
     };
-    let rendered = render_message(&msg);
+    let rendered = render_supporter_message(&msg);
     session.messages.push(msg);
     session.status = SessionStatus::Active;
 
@@ -212,7 +248,7 @@ pub async fn get_sessions(State(state): State<Arc<AppState>>) -> Html<String> {
         let escaped_name = html_escape(name);
         html.push_str(&format!(
             "<button class=\"session-item\" \
-              hx-get=\"/messages/{id}\" \
+              hx-get=\"/supporter/messages/{id}\" \
               hx-target=\"#supporter-messages\" \
               hx-swap=\"innerHTML\" \
               data-session-id=\"{id}\" \