2nd

2025-09-11 20:50:34 +00:00
parent 500166b0bc
commit de69b3d4de
18 changed files with 2427 additions and 0 deletions
@@ -0,0 +1,167 @@
+module.exports.methods = {
+
+    /*  Creates (predictable) peer-to-peer chan if necessary, or check for lobby existence, then subscribe to it.
+        Request:
+        {
+            "action": "STARTCHAT",
+            "payload": "P" // or "C" => "P" = Peer-to-peer, "C" = (chat) Channel
+        }
+        reply:
+        {
+            "action": "STARTCHAT",
+            "success": true,
+            "payload" : "dynamically created chan"
+        }
+    */
+    action_STARTCHAT(action, payload, reqid){
+        if(typeof(payload)!='string'){
+            this.sendErr(action, 'Invalid payload', reqid);
+            return;
+        };
+        let recipientId = payload.substring(2);
+        let chan;
+        if(payload[0]=='P') {
+            chan = (this.userId<recipientId) ? 'userchans:'+this.userId+'|'+recipientId : 'userchans:'+recipientId+'|'+this.userId;
+        } else if(payload[0]=='C') {
+            chan = 'lobbies:'+recipientId;
+        } else {
+            this.sendErr(action, 'Bad chat destination', reqid);
+            return;
+        } 
+        // subscribe this connexion 
+        if(!(chan in this.rediscnx.subscriptions)) this.rediscnx.subscriptions[chan] = [];
+        if(this.rediscnx.subscriptions[chan].indexOf(this.uuid)<0) {
+            this.rediscnx.subscriptions[chan].push(this.uuid);  
+            if(this.debug) console.log('Subscribed to chat chan: ',chan);                  
+        }
+        // other connexion of this user might be on different chat, so don't subscribe them
+        let reply = {
+            'action': action,
+            'payload': chan,
+            'success': true,
+        };
+        if(reqid) reply.reqid = reqid;
+        this.send(JSON.stringify(reply));   
+    },
+
+    /*  Send human-message in chat chan.
+        Request:
+        {
+            "action": "SENDCHAT",
+            "payload": "P" // or "C" => "P" = Peer-to-peer, "C" = (chat) Channel
+        }
+        reply:
+        {
+            "action": "SENDCHAT",
+            "success": true,
+            "payload" : null
+        }
+    */
+    action_SENDCHAT(action, payload, reqid){
+        //TODO: prevent unauthorized recipient !!
+        let recipientId = payload.recipient.substring(2);
+        let chan;
+        payload.event = 'CHATMSG'
+        if(payload.recipient[0]=='P') {
+            chan = (this.userId<recipientId) ? 'userchans:'+this.userId+'|'+recipientId : 'userchans:'+recipientId+'|'+this.userId;
+        } else if(payload.recipient[0]=='C') {
+            chan = 'lobbies:'+recipientId;
+        } else {
+            this.sendErr(action, 'Bad chat destination', reqid);
+            return;
+        } 
+        if(this.debug) console.log('Publishing to chat chan: ',chan, payload.msg);
+
+//NIKE TODO: be coherent, 'sender' is app-level, therefore should be inside payload, not outside  !!!
+// (see remark in Protocol description in FE MessageBus class)
+
+        this.rediscnx.redisPublish(chan, {            
+            'sender': this.userId, 
+            'msg' : payload.msg 
+        });
+        let reply = {
+            'action': action,
+            'payload': null,
+            'success': true,
+        };
+        if(reqid) reply.reqid = reqid;
+        this.send(JSON.stringify(reply));   
+    },
+
+    /*  Send human-message in chat chan.
+        Request:
+        {
+            "action": "ISONLINE",
+            "payload": "P" // or "C" => "P" = Peer-to-peer, "C" = (chat) Channel
+        }
+        reply:
+        {
+            "action": "ISONLINE",
+            "success": true,
+            "payload" : 
+        }
+    */
+    // You can only ask the satus of a list of usernames you know (and have the right to)
+    action_ISONLINE(action, payload, reqid){
+        //TODO: can you really ask about those users ? (but that might cost too much time, because => ML?)
+        if(!Array.isArray(payload)){
+            this.sendErr(action, 'Invalid payload', reqid);
+            return;
+        };
+        let onlineUsers = Object.keys(this.wssSrv.getOnlineUsers());
+        let reply = {
+            'action': action,
+            'payload': payload.filter((x) => (onlineUsers.indexOf(x)>-1)),
+            'success': true,
+        };   
+        if(reqid) reply.reqid = reqid;
+        this.send(JSON.stringify(reply));
+    },
+
+    // Same as ISONLINE, but subscribe to watch changes
+    action_WATCHUSERS(action, payload, reqid){
+        if(!Array.isArray(payload)){
+            this.sendErr(action, 'Invalid payload', reqid);
+            return;            
+        }
+        //TODO: can you really ask about those users ? (but that might cost too much time, because => ML?)
+        this.usersWatched = payload;
+        let reply = {
+            'action': action,
+            'payload': null,
+            'success': true,
+        };   
+        if(reqid) reply.reqid = reqid;
+        this.send(JSON.stringify(reply));   
+    },   
+
+ /*        
+        Request:
+        {
+            "action": "CHANLST",
+            "payload": { "filter": "ChatRoom*" }
+        }
+        reply:
+        {
+            "action": "CHANLST",
+            "success": true,
+            "payload" : ["ChatRoom1","ChatRoom2","ChatRoom_Experts"]
+        }
+    */ 
+        action_CHANLST(action, payload, reqid){
+            //TODO : Filter based on user rights!!
+            // 
+            let reply = {
+                'action': action,
+                'payload': [
+                    this.config.redis.basePrefix+"onlineUsers", 
+                    this.config.redis.basePrefix+"system:chan1", 
+                    this.config.redis.basePrefix+"proposals:updates" 
+                ],//this.config.redis.watchChannels,
+                'success': true,
+            };   
+            if(reqid) reply.reqid = reqid;
+            this.send(JSON.stringify(reply));           
+        },
+   
+}