From c6788ecf8a595409c7e31febf3d13c97bde2a725 Mon Sep 17 00:00:00 2001
From: Benjamin Auder <benjamin.auder@somewhere>
Date: Sat, 18 Jan 2020 17:56:28 +0100
Subject: [PATCH] Save state: draft of askgame logic but some bugs for now

---
 client/src/components/Chat.vue |  2 +-
 client/src/views/Game.vue      | 19 ++++++++++--
 client/src/views/Hall.vue      | 43 ++++++++++----------------
 server/sockets.js              | 55 ++++++++++++++++++++++++----------
 4 files changed, 73 insertions(+), 46 deletions(-)

diff --git a/client/src/components/Chat.vue b/client/src/components/Chat.vue
index b4970f70..c7f63cfa 100644
--- a/client/src/components/Chat.vue
+++ b/client/src/components/Chat.vue
@@ -28,7 +28,7 @@ export default {
       if (data.code == "newchat") //only event at this level
       {
         this.chats.push({msg:data.msg,
-          name:data.name || "@nonymous", sid:data.sid});
+          name:data.name || "@nonymous", sid:data.from});
       }
     };
     const socketCloseListener = () => {
diff --git a/client/src/views/Game.vue b/client/src/views/Game.vue
index 8fbc9d0b..5939c905 100644
--- a/client/src/views/Game.vue
+++ b/client/src/views/Game.vue
@@ -184,6 +184,19 @@ export default {
           }
           break;
         }
+        case "askgame":
+          // Send current (live) game
+          const myGame =
+          {
+            // Minimal game informations:
+            id: this.game.id,
+            players: this.game.players.map(p => p.name),
+            vid: this.game.vid,
+            timeControl: this.game.timeControl,
+          };
+          this.st.conn.send(JSON.stringify({code:"game",
+            game:myGame, target:data.from}));
+          break;
         case "newmove":
           // NOTE: this call to play() will trigger processMove()
           this.$refs["basegame"].play(data.move,
@@ -235,12 +248,12 @@ export default {
         // ==> on "newmove", check "drawOffer" field
         case "connect":
         {
-          this.people.push({name:"", id:0, sid:data.sid});
-          this.st.conn.send(JSON.stringify({code:"askidentity", target:data.sid}));
+          this.people.push({name:"", id:0, sid:data.from});
+          this.st.conn.send(JSON.stringify({code:"askidentity", target:data.from}));
           break;
         }
         case "disconnect":
-          ArrayFun.remove(this.people, p => p.sid == data.sid);
+          ArrayFun.remove(this.people, p => p.sid == data.from);
           break;
       }
     },
diff --git a/client/src/views/Hall.vue b/client/src/views/Hall.vue
index 287788a1..e11e8e13 100644
--- a/client/src/views/Hall.vue
+++ b/client/src/views/Hall.vue
@@ -317,26 +317,6 @@ export default {
           }
           break;
         }
-        case "askgame":
-        {
-          // Send my current live game (if any)
-          GameStorage.getCurrent((game) => {
-            if (!!game)
-            {
-              const myGame =
-              {
-                // Minimal game informations:
-                id: game.id,
-                players: game.players.map(p => p.name),
-                vid: game.vid,
-                timeControl: game.timeControl,
-              };
-              this.st.conn.send(JSON.stringify({code:"game",
-                game:myGame, target:data.from}));
-            }
-          });
-          break;
-        }
         case "identity":
         {
           const pIdx = this.people.findIndex(p => p.sid == data.user.sid);
@@ -404,20 +384,20 @@ export default {
         }
         case "connect":
         {
-          this.people.push({name:"", id:0, sid:data.sid});
-          this.st.conn.send(JSON.stringify({code:"askidentity", target:data.sid}));
-          this.st.conn.send(JSON.stringify({code:"askchallenge", target:data.sid}));
-          this.st.conn.send(JSON.stringify({code:"askgame", target:data.sid}));
+          this.people.push({name:"", id:0, sid:data.from});
+          this.st.conn.send(JSON.stringify({code:"askidentity", target:data.from}));
+          this.st.conn.send(JSON.stringify({code:"askchallenge", target:data.from}));
+          this.st.conn.send(JSON.stringify({code:"askgame", target:data.from}));
           break;
         }
         case "disconnect":
         {
-          ArrayFun.remove(this.people, p => p.sid == data.sid);
+          ArrayFun.remove(this.people, p => p.sid == data.from);
           // Also remove all challenges sent by this player:
-          ArrayFun.remove(this.challenges, c => c.from.sid == data.sid);
+          ArrayFun.remove(this.challenges, c => c.from.sid == data.from);
           // And all live games where he plays and no other opponent is online
           ArrayFun.remove(this.games, g =>
-            g.type == "live" && (g.players.every(p => p.sid == data.sid
+            g.type == "live" && (g.players.every(p => p.sid == data.from
               || !this.people.some(pl => pl.sid == p.sid))), "all");
           break;
         }
@@ -578,6 +558,15 @@ export default {
           }
         );
       }
+      // Send game info to everyone except opponent (and me)
+      this.st.conn.send(JSON.stringify({code:"game",
+        game: { //minimal game info:
+          id: gameInfo.id,
+          players: gameInfo.players.map(p => p.name),
+          vid: gameInfo.vid,
+          timeControl: gameInfo.timeControl,
+        },
+        oppsid: target}));
     },
     // NOTE: for live games only (corr games start on the server)
     startNewGame: function(gameInfo) {
diff --git a/server/sockets.js b/server/sockets.js
index c2fd552b..b3c3a1d6 100644
--- a/server/sockets.js
+++ b/server/sockets.js
@@ -3,9 +3,10 @@ const url = require('url');
 // Node version in Ubuntu 16.04 does not know about URL class
 function getJsonFromUrl(url)
 {
-  const query = url.substr(2); //starts with "/?"
-  let result = {};
-  query.split("&").forEach((part) => {
+  // url: /game/XYZ/?sid=XYZ
+  const queryParts = url.split("?");
+  let result = {page: queryParts[0]};
+  queryParts[1].split("&").forEach((part) => {
     const item = part.split("=");
     result[item[0]] = decodeURIComponent(item[1]);
   });
@@ -21,32 +22,41 @@ module.exports = function(wss) {
     if (!!clients[sid])
       return socket.send(JSON.stringify({code:"duplicate"}));
     clients[sid] = {sock: socket, page: query["page"]};
-    const notifyRoom = (page,code,obj) => {
+    const notifyRoom = (page,code,obj={},excluded=[]) => {
       Object.keys(clients).forEach(k => {
+        if (k in excluded)
+          return;
         if (k != sid && clients[k].page == page)
         {
           clients[k].sock.send(JSON.stringify(Object.assign(
-            {code:code}, obj)));
+            {code:code, from:sid}, obj)));
         }
       });
     };
-    notifyRoom(query["page"],"connect",{sid:sid});
+    notifyRoom(query["page"], "connect"); //Hall or Game
     socket.on("message", objtxt => {
       let obj = JSON.parse(objtxt);
       if (!!obj.target && !clients[obj.target])
         return; //receiver not connected, nothing we can do
+
+console.log(obj.code);
+console.log(clients);
+
       switch (obj.code)
       {
         case "pollclients":
           const curPage = clients[sid].page;
           socket.send(JSON.stringify({code:"pollclients",
-            sockIds: Object.keys(clients).filter(k =>
-              k != sid && clients[k].page == curPage)}));
+            sockIds: Object.keys(clients).filter(k => k != sid &&
+              (clients[k].page == curPage ||
+              // Consider that people playing are in Hall too:
+              (curPage == "/" && clients[k].page.indexOf("/game/") >= 0))
+            )}));
           break;
         case "pagechange":
-          notifyRoom(clients[sid].page, "disconnect", {sid:sid});
+          notifyRoom(clients[sid].page, "disconnect");
           clients[sid].page = obj.page;
-          notifyRoom(obj.page, "connect", {sid:sid});
+          notifyRoom(obj.page, "connect");
           break;
         case "askidentity":
           clients[obj.target].sock.send(JSON.stringify(
@@ -57,6 +67,14 @@ module.exports = function(wss) {
             {code:"askchallenge",from:sid}));
           break;
         case "askgame":
+          // Check all clients playing, and send them a "askgame" message
+          Object.keys(clients).forEach(k => {
+            if (k != sid && clients[k].page.indexOf("/game/") >= 0)
+            {
+              clients[k].sock.send(JSON.stringify(
+                {code:"askgame", from: sid}));
+            }
+          });
           clients[obj.target].sock.send(JSON.stringify(
             {code:"askgame",from:sid}));
           break;
@@ -81,17 +99,24 @@ module.exports = function(wss) {
             {code:"challenge", chall:obj.chall, from:sid}));
           break;
         case "game":
-          clients[obj.target].sock.send(JSON.stringify(
-            {code:"game", game:obj.game, from:sid}));
+          if (!!obj.target)
+          {
+            clients[obj.target].sock.send(JSON.stringify(
+              {code:"game", game:data.game, from:sid}));
+          }
+          else
+          {
+            // Notify all room except opponent and me:
+            notifyRoom("/", "game", {game:data.game}, [data.oppsid]);
+          }
           break;
         case "newchat":
-          notifyRoom(query["page"], "newchat",
-            {msg:obj.msg, name:obj.name, sid:sid})
+          notifyRoom(query["page"], "newchat", {msg:obj.msg, name:obj.name});
           break;
         // TODO: WebRTC instead in this case (most demanding?)
         case "newmove":
           clients[obj.target].sock.send(JSON.stringify(
-            {code:"newmove",move:obj.move}));
+            {code:"newmove", move:obj.move}));
           break;
         case "lastate":
           clients[obj.target].sock.send(JSON.stringify(
-- 
2.44.0