implemented long polling

polling/exercise/backend/server.js

@@ -10,7 +10,7 @@ const getMsgs = () => Array.from(msg).reverse();
 // feel free to take out, this just seeds the server with at least one message
 msg.push({
   user: "brian",
-  text: "hi",
+  text: "Backchod Baba Is Chomu",
   time: Date.now(),
 });
 
@@ -21,13 +21,23 @@ app.use(bodyParser.json());
 app.use(express.static("frontend"));
 
 app.get("/poll", function (req, res) {
-  // use getMsgs to get messages to send back
-  // write code here
+   res.json({
+    msg: getMsgs()
+   });
 });
 
 app.post("/poll", function (req, res) {
-  // add a new message to the server
-  // write code here
+  const {user, text} = req.body;
+
+  msg.push({
+    user,
+    text,
+    timer: Date.now()
+  })
+
+  res.json({
+    status: "ok"
+  })
 });
 
 // start the server

polling/exercise/frontend/polling-chat.js

@@ -17,11 +17,38 @@ chat.addEventListener("submit", function (e) {
 async function postNewMsg(user, text) {
   // post to /poll a new message
   // write code here
+  const data = {
+    user,
+    text,
+  };
+
+  // request options
+  const options = {
+    method: "POST",
+    body: JSON.stringify(data),
+    headers: {
+      "Content-Type": "application/json",
+    },
+  };
+
+  // send POST request
+  const res = await fetch("/poll", options);
+  const json = await res.json();
+
 }
 
 async function getNewMsgs() {
-  // poll the server
-  // write code here
+    let json;
+    try{
+      const res = await fetch("/poll")
+      json = await res.json()
+    }
+    catch(e){
+      console.log("Polling Error", e)
+    }
+    allChat = json.msg
+    render()
+    setTimeout(getNewMsgs, INTERVAL)
 }
 
 function render() {