Ermittlung wie viele Spieler in einem Raum sind und wie viele Spieler welchen Team beigetreten sind

nodemon.json

+{
+  "events": {
+    "restart": "sh -c 'lsof -i :${PORT:-3000} -t | xargs kill'",
+    "crash": "sh -c 'lsof -i :${PORT:-3000} -t | xargs kill'"
+  },
+  "delay": 1500
+}

socket.js

@@ -11,9 +11,28 @@ Http.listen(3000, () => {
 });
 
 var currentCard = {};
+var clients = {}; // Value = ClientID / Key = [SessionID, Team] / Team = 0 (total), 1 (red) or 2 (blue)
+var clientsInSession = {}; // Value = SessionID / Key = [total, red, blue}
+
+function getSumClients (sessionName, team, action) { // Team = 0 (total), 1 (red) or 2 (blue) / Action = 1 (add) or -1 (remove)
+    if (!clientsInSession.hasOwnProperty(sessionName)) {
+        clientsInSession[sessionName] = [0, 0, 0];
+    }
+    if (team === 0) {
+        clientsInSession[sessionName] = [clientsInSession[sessionName][0] + action, clientsInSession[sessionName][1], clientsInSession[sessionName][2]];
+    }
+    if (team === 1) {
+        clientsInSession[sessionName] = [clientsInSession[sessionName][0] + action, clientsInSession[sessionName][1] + action, clientsInSession[sessionName][2]];
+    }
+    if (team === 2) {
+        clientsInSession[sessionName] = [clientsInSession[sessionName][0] + action, clientsInSession[sessionName][1], clientsInSession[sessionName][2] + action];
+    }
+    return {total: clientsInSession[sessionName][0], red: clientsInSession[sessionName][1], blue: clientsInSession[sessionName][2]};
+}
 
 Socketio.on("connection", socket => {
     console.log('new Socket connect');
+    clients[socket.id] = [null, null];
 
     for (var key in currentCard) {
         socket.emit(key, currentCard[key])
@@ -43,6 +62,8 @@ Socketio.on("connection", socket => {
         socket.emit(data.sessionName+":newRound", false);
         Socketio.emit(data.sessionName+":endRound", true);
         socket.emit(data.sessionName+":endRound", true);
+        let sumClients = getSumClients(data.sessionName, null, 0);
+        Socketio.emit(data.sessionName+":sessionPlayers", sumClients);
     });
     socket.on("canPressTabooh", data => {
         console.log('CanPressTabooh from: ', data.sessionName, data.canPressTabooh);
@@ -54,5 +75,33 @@ Socketio.on("connection", socket => {
         Socketio.emit(data.sessionName+":historyChanged", data);
         socket.emit(data.sessionName+":historyChanged", data);
     });
+    socket.on("sessionPlayers", data => {
+        const client = clients[socket.id];
+        console.log('CLIENT: ', client, data.team);
+        if (data.sessionName === null && client[0] !== null) {
+            let sumClients = getSumClients(client[0], client[1], -1);
+            Socketio.emit(client[0]+":sessionPlayers", sumClients);
+            clients[socket.id] = [null, null];
+        }
+        else {
+            if (data.sessionName !== client[0] || data.team !== client[1]) {
+                let sumClients = getSumClients(client[0], client[1], -1);
+                Socketio.emit(client[0]+":sessionPlayers", sumClients);
+                clients[socket.id] = [data.sessionName, data.team];
+                sumClients = getSumClients(data.sessionName, data.team, data.newAction);
+                Socketio.emit(data.sessionName+":sessionPlayers", sumClients);
+                socket.emit(data.sessionName+":sessionPlayers", sumClients);
+            }
+       }
+    });
+    socket.on("disconnect", () => {
+        const client = clients[socket.id];
+        console.log("DISCONNECT CLIENT: ", client);
+        if (client !== null && client[0] !== null) {
+            const sumClients = getSumClients(client[0], client[1], -1);
+            Socketio.emit(client[0]+":sessionPlayers", sumClients);
+        }
+        delete clients[socket.id];
+    });
 });