Temp fix for heartbeat

Author: alvinlim277

collab/main.go

@@ -256,20 +256,21 @@ func handleMessages(
 			client.authenticated = true
 			log.Println("Client authenticated successfully")
 		}
+		// i can comment out this whole block and it would work
 
-		if msgData["type"] == "ping" {
-			//receives ping from client1, need to send a ping to client2
-			//eventually, if present, client2 will send the ping back, which will be broadcasted back to client1.
+		// if msgData["type"] == "ping" {
+		// 	//receives ping from client1, need to send a ping to client2
+		// 	//eventually, if present, client2 will send the ping back, which will be broadcasted back to client1.
 
-			userID, _ := msgData["userId"].(string)
-			request := Message {
-				RoomID: client.roomID,
-				UserID: userID,
-				Content: []byte("ping request"),
-			}
+		// 	userID, _ := msgData["userId"].(string)
+		// 	request := Message {
+		// 		RoomID: client.roomID,
+		// 		UserID: userID,
+		// 		Content: []byte("ping request"),
+		// 	}
 
-			hub.broadcast <- request
-		}
+		// 	hub.broadcast <- request
+		// }
 
 		if msgData["type"] == "close_session" {
 			closeMessage := Message{

peerprep/Dockerfile

@@ -6,6 +6,6 @@ WORKDIR /frontend
 COPY package*.json ./
 RUN npm install --force
 COPY . .
-RUN npm run build
+#RUN npm run build
 EXPOSE 3000
-CMD ["npm", "run", "start"]
+CMD ["npm", "run", "dev"]

peerprep/components/questionpage/CollabEditor.tsx

@@ -20,7 +20,7 @@ import { diff_match_patch } from "diff-match-patch";
 import { callFormatter } from "@/app/api/internal/formatter/helper";
 import { connect } from "http2";
 
-const PING_INTERVAL_MILLISECONDS = 3000;
+const PING_INTERVAL_MILLISECONDS = 15000;
 const languages: Language[] = ["javascript", "python", "c_cpp"];
 
 const themes = [
@@ -171,9 +171,10 @@ export default function CollabEditor({
           socket.close();
         }
         router.push("/questions");
+      } else if (event.data == "ping request") {
+        // unnecessary with current quick fix
+        console.log("got event.data == ping request");
       } else {
-        // seem to be getting json error here. logs show messages of "ping" type with both user ids tho
-        console.log(event.data);
         const message: Message = JSON.parse(event.data);
 
         if (message.type === "content_change" && message.userId !== userId) {
@@ -220,6 +221,7 @@ export default function CollabEditor({
   const notifyRoomOfConnection = async () => {
     // send message over ws
     if (socket) {
+      console.log("PINGING WS FROM " + userId);
       const msg: Message = {
         type: "ping",
         data: "pinging",