redesigned websocket messages

sends messages in JSON now
posts are more responsive

js/posts.js

@@ -8,14 +8,24 @@ const wss_URI = wss_server + ":" + wss_port
 var reply_id = 0
 
 let socket = new WebSocket(wss_URI);
-socket.addEventListener("message", function (event) {
+socket.addEventListener("message", async function (event) {
   if(wss_server == event.origin) {
     let data = event.data;
-    let ds = data.split(" ")
-    let message = ds[0]
+    let ds = JSON.parse(data)
+    let message = ds.message
+    let post = ds.data
+    let username = post.post_user_name
     if(message == "new_post") {
-      main()
-      if(user["username"]!=ds[1])mainNoti(ds[1])
+      await createPost(decodeURIComponent(item.post_user_name),decodeURIComponent(item.post_text),item.post_time,item.post_special_text,highest_id+1,item.post_from_bot,item.post_reply_id)
+      if(user["username"]!=username)mainNoti(username)
+
+      let highest_known_posts = await (await fetch("/api/getPostsLowerThan?id="+(highest_id+28))).json()
+      for (let i = 0; i < highest_known_posts.length; i++) {
+        if(document.getElementById(highest_known_posts[i].post_id) == undefined) {
+          main()
+          return;
+        }
+      }
     }
   }
 })

server.js

@@ -667,8 +667,23 @@ router.post("/api/post", async function(req,res) {
   con.query(sql, values, function (err, result) {
     if (err) throw err;
     if(req.body.receiver == "everyone") {
+      let post_obj = {
+        post_user_name: encodeURIComponent(res.locals.username),
+        post_text: req.body.message,
+        post_time: Date.now(),
+        post_special_text: "",
+        post_receiver_name: "everyone",
+        post_from_bot: res.locals.isbot,
+        post_reply_id: reply_id
+      }
+
+      let message = {
+        message: "new_post",
+        data: post_obj
+      }
+      let messagestr = JSON.stringify(message)
       wss.clients.forEach(function(ws) {
-        ws.send(`new_post ${res.locals.username} ${req.body.message}`)
+        ws.send(messagestr)
       });
     }
     res.json({"success":"successfully posted message"})