client/src/views/Hall.vue

   1 <template lang="pug">
   2 main
   3   input#modalInfo.modal(type="checkbox")
   4   div#infoDiv(role="dialog" data-checkbox="modalInfo" aria-labelledby="infoMessage")
   5     .card.smallpad.small-modal.text-center
   6       label.modal-close(for="modalInfo")
   7       h3#infoMessage.section
   8         p(v-html="infoMessage")
   9   input#modalNewgame.modal(type="checkbox")
  10   div#newgameDiv(role="dialog" data-checkbox="modalNewgame"
  11       aria-labelledby="titleFenedit")
  12     .card.smallpad(@keyup.enter="newChallenge")
  13       label#closeNewgame.modal-close(for="modalNewgame")
  14       fieldset
  15         label(for="selectVariant") {{ st.tr["Variant"] }} *
  16         select#selectVariant(v-model="newchallenge.vid")
  17           option(v-for="v in st.variants" :value="v.id"
  18               :selected="newchallenge.vid==v.id")
  19             | {{ v.name }}
  20       fieldset
  21         label(for="timeControl") {{ st.tr["Time control"] }} *
  22         div#predefinedTimeControls
  23           button 3+2
  24           button 5+3
  25           button 15+5
  26         input#timeControl(type="text" v-model="newchallenge.timeControl"
  27           placeholder="5+0, 1h+30s, 7d+1d ...")
  28       fieldset(v-if="st.user.id > 0")
  29         label(for="selectPlayers") {{ st.tr["Play with?"] }}
  30         input#selectPlayers(type="text" v-model="newchallenge.to")
  31       fieldset(v-if="st.user.id > 0 && newchallenge.to.length > 0")
  32         label(for="inputFen") FEN
  33         input#inputFen(type="text" v-model="newchallenge.fen")
  34       button(@click="newChallenge") {{ st.tr["Send challenge"] }}
  35   .row
  36     .col-sm-12
  37       button#newGame(onClick="doClick('modalNewgame')") {{ st.tr["New game"] }}
  38   .row
  39     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
  40       div
  41         .button-group
  42           button(@click="(e) => setDisplay('c','live',e)" class="active")
  43             | {{ st.tr["Live challenges"] }}
  44           button(@click="(e) => setDisplay('c','corr',e)")
  45             | {{ st.tr["Correspondance challenges"] }}
  46         ChallengeList(v-show="cdisplay=='live'"
  47           :challenges="filterChallenges('live')" @click-challenge="clickChallenge")
  48         ChallengeList(v-show="cdisplay=='corr'"
  49           :challenges="filterChallenges('corr')" @click-challenge="clickChallenge")
  50       #people
  51         h3.text-center {{ st.tr["Who's there?"] }}
  52         #players
  53           p(v-for="sid in Object.keys(people)" v-if="!!people[sid].name")
  54             span {{ people[sid].name }}
  55             button.player-action(
  56               v-if="people[sid].name != st.user.name"
  57               @click="challOrWatch(sid, $event)"
  58             )
  59               | {{ st.tr[!!people[sid].gamer ? 'Playing' : 'Available'] }}
  60           p.anonymous @nonymous ({{ anonymousCount }})
  61         #chat
  62           Chat(:newChat="newChat" @mychat="processChat")
  63         .clearer
  64       div
  65         .button-group
  66           button(@click="(e) => setDisplay('g','live',e)" class="active")
  67             | {{ st.tr["Live games"] }}
  68           button(@click="(e) => setDisplay('g','corr',e)")
  69             | {{ st.tr["Correspondance games"] }}
  70         GameList(v-show="gdisplay=='live'" :games="filterGames('live')"
  71           @show-game="showGame")
  72         GameList(v-show="gdisplay=='corr'" :games="filterGames('corr')"
  73           @show-game="showGame")
  74 </template>
  75
  76 <script>
  77 import { store } from "@/store";
  78 import { checkChallenge } from "@/data/challengeCheck";
  79 import { ArrayFun } from "@/utils/array";
  80 import { ajax } from "@/utils/ajax";
  81 import { getRandString, shuffle } from "@/utils/alea";
  82 import Chat from "@/components/Chat.vue";
  83 import GameList from "@/components/GameList.vue";
  84 import ChallengeList from "@/components/ChallengeList.vue";
  85 import { GameStorage } from "@/utils/gameStorage";
  86 import { processModalClick } from "@/utils/modalClick";
  87
  88 export default {
  89   name: "my-hall",
  90   components: {
  91     Chat,
  92     GameList,
  93     ChallengeList,
  94   },
  95   data: function () {
  96     return {
  97       st: store.state,
  98       cdisplay: "live", //or corr
  99       pdisplay: "players", //or chat
 100       gdisplay: "live",
 101       games: [],
 102       challenges: [],
 103       people: {}, //people in main hall
 104       infoMessage: "",
 105       newchallenge: {
 106         fen: "",
 107         vid: localStorage.getItem("vid") || "",
 108         to: "", //name of challenged player (if any)
 109         timeControl: localStorage.getItem("timeControl") || "",
 110       },
 111       newChat: "",
 112     };
 113   },
 114   watch: {
 115     // st.variants changes only once, at loading from [] to [...]
 116     "st.variants": function(variantArray) {
 117       // Set potential challenges and games variant names:
 118       this.challenges.forEach(c => {
 119         if (c.vname == "")
 120           c.vname = this.getVname(c.vid);
 121       });
 122       this.games.forEach(g => {
 123         if (g.vname == "")
 124           g.vname = this.getVname(g.vid);
 125       });
 126     },
 127   },
 128   computed: {
 129     anonymousCount: function() {
 130       let count = 0;
 131       Object.values(this.people).forEach(p => { count += (!p.name ? 1 : 0); });
 132       return count;
 133     },
 134   },
 135   created: function() {
 136     // Always add myself to players' list
 137     const my = this.st.user;
 138     this.$set(this.people, my.sid, {id:my.id, name:my.name});
 139     // Retrieve live challenge (not older than 30 minute) if any:
 140     const chall = JSON.parse(localStorage.getItem("challenge") || "false");
 141     if (!!chall)
 142     {
 143       // NOTE: a challenge survives 3 minutes, for potential connection issues
 144       if ((Date.now() - chall.added)/1000 <= 3*60)
 145       {
 146         chall.added = Date.now(); //update added time, for next disconnect...
 147         this.challenges.push(chall);
 148         localStorage.setItem("challenge", JSON.stringify(chall));
 149       }
 150       else
 151         localStorage.removeItem("challenge");
 152     }
 153     // Ask server for current corr games (all but mines)
 154     ajax(
 155       "/games",
 156       "GET",
 157       {uid: this.st.user.id, excluded: true},
 158       response => {
 159         this.games = this.games.concat(response.games.map(g => {
 160           const type = this.classifyObject(g);
 161           const vname = this.getVname(g.vid);
 162           return Object.assign({}, g, {type: type, vname: vname});
 163         }));
 164       }
 165     );
 166     // Also ask for corr challenges (open + sent to me)
 167     ajax(
 168       "/challenges",
 169       "GET",
 170       {uid: this.st.user.id},
 171       response => {
 172         // Gather all senders names, and then retrieve full identity:
 173         // (TODO [perf]: some might be online...)
 174         const uids = response.challenges.map(c => { return c.uid });
 175         ajax("/users",
 176           "GET",
 177           { ids: uids.join(",") },
 178           response2 => {
 179             let names = {};
 180             response2.users.forEach(u => {names[u.id] = u.name});
 181             this.challenges = this.challenges.concat(
 182               response.challenges.map(c => {
 183                 // (just players names in fact)
 184                 const from = {name: names[c.uid], id: c.uid};
 185                 const type = this.classifyObject(c);
 186                 const vname = this.getVname(c.vid);
 187                 return Object.assign({}, c, {type: type, vname: vname, from: from});
 188               })
 189             )
 190           }
 191         );
 192       }
 193     );
 194     // 0.1] Ask server for room composition:
 195     const funcPollClients = () => {
 196       // Same strategy as in Game.vue: send connection
 197       // after we're sure WebSocket is initialized
 198       this.st.conn.send(JSON.stringify({code:"connect"}));
 199       this.st.conn.send(JSON.stringify({code:"pollclients"}));
 200       this.st.conn.send(JSON.stringify({code:"pollgamers"}));
 201     };
 202     if (!!this.st.conn && this.st.conn.readyState == 1) //1 == OPEN state
 203       funcPollClients();
 204     else //socket not ready yet (initial loading)
 205       this.st.conn.onopen = funcPollClients;
 206     this.st.conn.onmessage = this.socketMessageListener;
 207     const socketCloseListener = () => {
 208       store.socketCloseListener(); //reinitialize connexion (in store.js)
 209       this.st.conn.addEventListener('message', this.socketMessageListener);
 210       this.st.conn.addEventListener('close', socketCloseListener);
 211     };
 212     this.st.conn.onclose = socketCloseListener;
 213   },
 214   mounted: function() {
 215     [document.getElementById("infoDiv"),document.getElementById("newgameDiv")]
 216       .forEach(elt => elt.addEventListener("click", processModalClick));
 217     document.querySelectorAll("#predefinedTimeControls > button").forEach(
 218       (b) => { b.addEventListener("click",
 219         () => { this.newchallenge.timeControl = b.innerHTML; }
 220       )}
 221     );
 222   },
 223   methods: {
 224     // Helpers:
 225     filterChallenges: function(type) {
 226       return this.challenges.filter(c => c.type == type);
 227     },
 228     filterGames: function(type) {
 229       return this.games.filter(g => g.type == type);
 230     },
 231     classifyObject: function(o) { //challenge or game
 232       return (o.timeControl.indexOf('d') === -1 ? "live" : "corr");
 233     },
 234     showGame: function(g) {
 235       // NOTE: we are an observer, since only games I don't play are shown here
 236       // ==> Moves sent by connected remote player(s) if live game
 237       let url = "/game/" + g.id;
 238       if (g.type == "live")
 239         url += "?rid=" + g.rid;
 240       this.$router.push(url);
 241     },
 242     setDisplay: function(letter, type, e) {
 243       this[letter + "display"] = type;
 244       e.target.classList.add("active");
 245       if (!!e.target.previousElementSibling)
 246         e.target.previousElementSibling.classList.remove("active");
 247       else
 248         e.target.nextElementSibling.classList.remove("active");
 249     },
 250     getVname: function(vid) {
 251       const variant = this.st.variants.find(v => v.id == vid);
 252       // this.st.variants might be uninitialized (variant == null)
 253       return (!!variant ? variant.name : "");
 254     },
 255     processChat: function(chat) {
 256       // When received on server, this will trigger a "notifyRoom"
 257       this.st.conn.send(JSON.stringify({code:"newchat", chat: chat}));
 258     },
 259     sendSomethingTo: function(to, code, obj, warnDisconnected) {
 260       const doSend = (code, obj, sid) => {
 261         this.st.conn.send(JSON.stringify(Object.assign(
 262           {code: code},
 263           obj,
 264           {target: sid}
 265         )));
 266       };
 267       if (!to || (!to.sid && !to.name))
 268       {
 269         // Open challenge: send to all connected players (me excepted)
 270         Object.keys(this.people).forEach(sid => {
 271           if (sid != this.st.user.sid)
 272             doSend(code, obj, sid);
 273         });
 274       }
 275       else
 276       {
 277         let targetSid = "";
 278         if (!!to.sid)
 279           targetSid = to.sid;
 280         else
 281         {
 282           if (to.name == this.st.user.name)
 283             return alert(this.st.tr["Cannot challenge self"]);
 284           // Challenge with targeted players
 285           targetSid =
 286             Object.keys(this.people).find(sid => this.people[sid].name == to.name);
 287           if (!targetSid)
 288           {
 289             if (!!warnDisconnected)
 290               alert(this.st.tr["Warning: target is not connected"]);
 291             return false;
 292           }
 293         }
 294         doSend(code, obj, targetSid);
 295       }
 296       return true;
 297     },
 298     // Messaging center:
 299     socketMessageListener: function(msg) {
 300       const data = JSON.parse(msg.data);
 301       switch (data.code)
 302       {
 303         case "duplicate":
 304           alert(this.st.tr["Warning: multi-tabs not supported"]);
 305           break;
 306         // 0.2] Receive clients list (just socket IDs)
 307         case "pollclients":
 308           data.sockIds.forEach(sid => {
 309             this.$set(this.people, sid, {id:0, name:""});
 310             // Ask identity and challenges
 311             this.st.conn.send(JSON.stringify({code:"askidentity", target:sid}));
 312             this.st.conn.send(JSON.stringify({code:"askchallenge", target:sid}));
 313           });
 314           break;
 315         case "pollgamers":
 316           // NOTE: we could make a difference between people in hall
 317           // and gamers, but is it necessary?
 318           data.sockIds.forEach(sid => {
 319             this.$set(this.people, sid, {id:0, name:"", gamer:true});
 320             this.st.conn.send(JSON.stringify({code:"askidentity", target:sid}));
 321           });
 322           // Also ask current games to all playing peers (TODO: some design issue)
 323           this.st.conn.send(JSON.stringify({code:"askgames"}));
 324           break;
 325         case "askidentity":
 326         {
 327           // Request for identification: reply if I'm not anonymous
 328           if (this.st.user.id > 0)
 329           {
 330             this.st.conn.send(JSON.stringify({code:"identity",
 331               user: {
 332                 // NOTE: decompose to avoid revealing email
 333                 name: this.st.user.name,
 334                 sid: this.st.user.sid,
 335                 id: this.st.user.id,
 336               },
 337               target:data.from}));
 338           }
 339           break;
 340         }
 341         case "identity":
 342         {
 343           this.$set(this.people, data.user.sid,
 344             {
 345               id: data.user.id,
 346               name: data.user.name,
 347               gamer: this.people[data.user.sid].gamer,
 348             });
 349           break;
 350         }
 351         case "askchallenge":
 352         {
 353           // Send my current live challenge (if any)
 354           const cIdx = this.challenges.findIndex(c =>
 355             c.from.sid == this.st.user.sid && c.type == "live");
 356           if (cIdx >= 0)
 357           {
 358             const c = this.challenges[cIdx];
 359             // TODO: code below requires "c.to" to have given his identity,
 360             // but it can happen that the identity arrives later, which
 361             // prevent him from receiving the challenge.
 362             // ==> Filter later (when receiving challenge)
 363 //            if (!!c.to)
 364 //            {
 365 //              // Only share targeted challenges to the targets:
 366 //              const toSid = Object.keys(this.people).find(k =>
 367 //                this.people[k].name == c.to);
 368 //              if (toSid != data.from)
 369 //                return;
 370 //            }
 371             const myChallenge =
 372             {
 373               // Minimal challenge informations: (from not required)
 374               id: c.id,
 375               to: c.to,
 376               fen: c.fen,
 377               vid: c.vid,
 378               timeControl: c.timeControl,
 379               added: c.added,
 380             };
 381             this.st.conn.send(JSON.stringify({code:"challenge",
 382               chall:myChallenge, target:data.from}));
 383           }
 384           break;
 385         }
 386         case "challenge":
 387         {
 388           // Receive challenge from some player (+sid)
 389           // NOTE about next condition: see "askchallenge" case.
 390           if (!data.chall.to || data.chall.to == this.st.user.name)
 391           {
 392             let newChall = data.chall;
 393             newChall.type = this.classifyObject(data.chall);
 394             newChall.from =
 395               Object.assign({sid:data.from}, this.people[data.from]);
 396             newChall.vname = this.getVname(newChall.vid);
 397             this.challenges.push(newChall);
 398           }
 399           break;
 400         }
 401         case "game":
 402         {
 403           // Receive game from some player (+sid)
 404           // NOTE: it may be correspondance (if newgame while we are connected)
 405           // If duplicate found: select rid (remote ID) at random
 406           let game = this.games.find(g => g.id == data.game.id);
 407           if (!!game)
 408           {
 409             if (Math.random() < 0.5)
 410               game.rid = data.from;
 411           }
 412           else
 413           {
 414             let newGame = data.game;
 415             newGame.type = this.classifyObject(data.game);
 416             newGame.vname = this.getVname(data.game.vid);
 417             newGame.rid = data.from;
 418             if (!data.game.score)
 419               newGame.score = "*";
 420             this.games.push(newGame);
 421           }
 422           break;
 423         }
 424         case "newgame":
 425         {
 426           // New game just started: data contain all information
 427           if (this.classifyObject(data.gameInfo) == "live")
 428             this.startNewGame(data.gameInfo);
 429           else
 430           {
 431             this.infoMessage = "New game started: " +
 432               "<a href='#/game/" + data.gameInfo.id + "'>" +
 433               "#/game/" + data.gameInfo.id + "</a>";
 434             let modalBox = document.getElementById("modalInfo");
 435             modalBox.checked = true;
 436             setTimeout(() => { modalBox.checked = false; }, 3000);
 437           }
 438           break;
 439         }
 440         case "newchat":
 441           this.newChat = data.chat;
 442           break;
 443         case "refusechallenge":
 444         {
 445           ArrayFun.remove(this.challenges, c => c.id == data.cid);
 446           localStorage.removeItem("challenge");
 447           alert(this.st.tr["Challenge declined"]);
 448           break;
 449         }
 450         case "deletechallenge":
 451         {
 452           // NOTE: the challenge may be already removed
 453           ArrayFun.remove(this.challenges, c => c.id == data.cid);
 454           localStorage.removeItem("challenge"); //in case of
 455           break;
 456         }
 457         case "connect":
 458         case "gconnect":
 459           this.$set(this.people, data.from, {name:"", id:0, gamer:data.code[0]=='g'});
 460           this.st.conn.send(JSON.stringify({code:"askidentity", target:data.from}));
 461           if (data.code == "connect")
 462             this.st.conn.send(JSON.stringify({code:"askchallenge", target:data.from}));
 463           else
 464             this.st.conn.send(JSON.stringify({code:"askgame", target:data.from}));
 465           break;
 466         case "disconnect":
 467         case "gdisconnect":
 468           this.$delete(this.people, data.from);
 469           if (data.code == "disconnect")
 470           {
 471             // Also remove all challenges sent by this player:
 472             ArrayFun.remove(this.challenges, c => c.from.sid == data.from);
 473           }
 474           else
 475           {
 476             // And all live games where he plays and no other opponent is online
 477             ArrayFun.remove(this.games, g =>
 478               g.type == "live" && (g.players.every(p => p.sid == data.from
 479                 || !this.people[p.sid])), "all");
 480           }
 481           break;
 482       }
 483     },
 484     // Challenge lifecycle:
 485     tryChallenge: function(sid) {
 486       if (this.people[sid].id == 0)
 487         return; //anonymous players cannot be challenged
 488       // TODO: SID is available, so we could use it instead of searching from name
 489       this.newchallenge.to = this.people[sid].name;
 490       doClick("modalNewgame");
 491     },
 492     challOrWatch: function(sid, e) {
 493       switch (e.target.innerHTML)
 494       {
 495         case "Available":
 496           this.tryChallenge(sid);
 497           break;
 498         case "Playing":
 499           this.showGame(this.games.find(
 500             g => g.players.some(pl => pl.sid == sid || pl.uid == this.people[sid].id)));
 501           break;
 502       };
 503     },
 504     newChallenge: async function() {
 505       if (this.newchallenge.vid == "")
 506         return alert(this.st.tr["Please select a variant"]);
 507       if (!!this.newchallenge.to && this.newchallenge.to == this.st.user.name)
 508         return alert(this.st.tr["Self-challenge is forbidden"]);
 509       const vname = this.getVname(this.newchallenge.vid);
 510       const vModule = await import("@/variants/" + vname + ".js");
 511       window.V = vModule.VariantRules;
 512       if (!!this.newchallenge.timeControl.match(/^[0-9]+$/))
 513         this.newchallenge.timeControl += "+0"; //assume minutes, no increment
 514       const error = checkChallenge(this.newchallenge);
 515       if (!!error)
 516         return alert(error);
 517       const ctype = this.classifyObject(this.newchallenge);
 518       if (ctype == "corr" && this.st.user.id <= 0)
 519         return alert(this.st.tr["Please log in to play correspondance games"]);
 520       // NOTE: "from" information is not required here
 521       let chall = Object.assign({}, this.newchallenge);
 522       const finishAddChallenge = (cid,warnDisconnected) => {
 523         chall.id = cid || "c" + getRandString();
 524         // Send challenge to peers (if connected)
 525         const isSent = this.sendSomethingTo({name:chall.to}, "challenge",
 526           {chall:chall}, !!warnDisconnected);
 527         if (!isSent)
 528           return;
 529         // Remove old challenge if any (only one at a time):
 530         const cIdx = this.challenges.findIndex(c =>
 531           c.from.sid == this.st.user.sid && c.type == ctype);
 532         if (cIdx >= 0)
 533         {
 534           // Delete current challenge (will be replaced now)
 535           this.sendSomethingTo({name:this.challenges[cIdx].to},
 536             "deletechallenge", {cid:this.challenges[cIdx].id});
 537           if (ctype == "corr")
 538           {
 539             ajax(
 540               "/challenges",
 541               "DELETE",
 542               {id: this.challenges[cIdx].id}
 543             );
 544           }
 545           this.challenges.splice(cIdx, 1);
 546         }
 547         // Add new challenge:
 548         chall.added = Date.now();
 549         // NOTE: vname and type are redundant (can be deduced from timeControl + vid)
 550         chall.type = ctype;
 551         chall.vname = vname;
 552         chall.from = { //decompose to avoid revealing email
 553           sid: this.st.user.sid,
 554           id: this.st.user.id,
 555           name: this.st.user.name,
 556         };
 557         this.challenges.push(chall);
 558         if (ctype == "live")
 559           localStorage.setItem("challenge", JSON.stringify(chall));
 560         // Also remember timeControl  + vid for quicker further challenges:
 561         localStorage.setItem("timeControl", chall.timeControl);
 562         localStorage.setItem("vid", chall.vid);
 563         document.getElementById("modalNewgame").checked = false;
 564       };
 565       if (ctype == "live")
 566       {
 567         // Live challenges have a random ID
 568         finishAddChallenge(null, "warnDisconnected");
 569       }
 570       else
 571       {
 572         // Correspondance game: send challenge to server
 573         ajax(
 574           "/challenges",
 575           "POST",
 576           { chall: chall },
 577           response => { finishAddChallenge(response.cid); }
 578         );
 579       }
 580     },
 581     clickChallenge: function(c) {
 582       const myChallenge = (c.from.sid == this.st.user.sid //live
 583         || (this.st.user.id > 0 && c.from.id == this.st.user.id)); //corr
 584       if (!myChallenge)
 585       {
 586         if (c.type == "corr" && this.st.user.id <= 0)
 587           return alert(this.st.tr["Please log in to accept corr challenges"]);
 588         c.accepted = true;
 589         if (!!c.to) //c.to == this.st.user.name (connected)
 590         {
 591           // TODO: if special FEN, show diagram after loading variant
 592           c.accepted = confirm("Accept challenge?");
 593         }
 594         if (c.accepted)
 595         {
 596           c.seat = { //again, avoid c.seat = st.user to not reveal email
 597             sid: this.st.user.sid,
 598             id: this.st.user.id,
 599             name: this.st.user.name,
 600           };
 601           this.launchGame(c);
 602         }
 603         else
 604         {
 605           this.st.conn.send(JSON.stringify({
 606             code: "refusechallenge",
 607             cid: c.id, target: c.from.sid}));
 608         }
 609         this.sendSomethingTo(!!c.to ? {sid:c.from.sid} : null, "deletechallenge", {cid:c.id});
 610       }
 611       else //my challenge
 612       {
 613         if (c.type == "corr")
 614         {
 615           ajax(
 616             "/challenges",
 617             "DELETE",
 618             {id: c.id}
 619           );
 620         }
 621         else //live
 622           localStorage.removeItem("challenge");
 623         this.sendSomethingTo({name:c.to}, "deletechallenge", {cid:c.id});
 624       }
 625       // In all cases, the challenge is consumed:
 626       ArrayFun.remove(this.challenges, ch => ch.id == c.id);
 627     },
 628     // NOTE: when launching game, the challenge is already being deleted
 629     launchGame: async function(c) {
 630       const vModule = await import("@/variants/" + c.vname + ".js");
 631       window.V = vModule.VariantRules;
 632       // These game informations will be sent to other players
 633       const gameInfo =
 634       {
 635         id: getRandString(),
 636         fen: c.fen || V.GenRandInitFen(),
 637         players: shuffle([c.from, c.seat]), //white then black
 638         vid: c.vid,
 639         vname: c.vname, //theoretically vid is enough, but much easier with vname
 640         timeControl: c.timeControl,
 641       };
 642       let oppsid = c.from.sid; //may not be defined if corr + offline opp
 643       if (!oppsid)
 644       {
 645         oppsid = Object.keys(this.people).find(sid =>
 646           this.people[sid].id == c.from.id);
 647       }
 648       const tryNotifyOpponent = () => {
 649         if (!!oppsid) //opponent is online
 650         {
 651           this.st.conn.send(JSON.stringify({code:"newgame",
 652             gameInfo:gameInfo, target:oppsid, cid:c.id}));
 653         }
 654       };
 655       if (c.type == "live")
 656       {
 657         // NOTE: in this case we are sure opponent is online
 658         tryNotifyOpponent();
 659         this.startNewGame(gameInfo);
 660       }
 661       else //corr: game only on server
 662       {
 663         ajax(
 664           "/games",
 665           "POST",
 666           {gameInfo: gameInfo, cid: c.id}, //cid useful to delete challenge
 667           response => {
 668             gameInfo.id = response.gameId;
 669             tryNotifyOpponent();
 670             this.$router.push("/game/" + response.gameId);
 671           }
 672         );
 673       }
 674       // Send game info to everyone except opponent (and me)
 675       Object.keys(this.people).forEach(sid => {
 676         if (![this.st.user.sid,oppsid].includes(sid))
 677         {
 678           this.st.conn.send(JSON.stringify({code:"game",
 679             game: { //minimal game info:
 680               id: gameInfo.id,
 681               players: gameInfo.players,
 682               vid: gameInfo.vid,
 683               timeControl: gameInfo.timeControl,
 684             },
 685             target: sid}));
 686         }
 687       });
 688     },
 689     // NOTE: for live games only (corr games start on the server)
 690     startNewGame: function(gameInfo) {
 691       const game = Object.assign({}, gameInfo, {
 692         // (other) Game infos: constant
 693         fenStart: gameInfo.fen,
 694         added: Date.now(),
 695         // Game state (including FEN): will be updated
 696         moves: [],
 697         clocks: [-1, -1], //-1 = unstarted
 698         initime: [0, 0], //initialized later
 699         score: "*",
 700       });
 701       GameStorage.add(game);
 702       if (this.st.settings.sound >= 1)
 703         new Audio("/sounds/newgame.mp3").play().catch(err => {});
 704       this.$router.push("/game/" + gameInfo.id);
 705     },
 706   },
 707 };
 708 </script>
 709
 710 <style lang="sass" scoped>
 711 .active
 712   color: #42a983
 713 #newGame
 714   display: block
 715   margin: 10px auto 5px auto
 716 #people
 717   width: 100%
 718 #players
 719   width: 50%
 720   position: relative
 721   float: left
 722 #chat
 723   width: 50%
 724   float: left
 725   position: relative
 726 @media screen and (max-width: 767px)
 727   #players, #chats
 728     width: 100%
 729 #chat > .card
 730   max-width: 100%
 731   margin: 0;
 732   border: none;
 733 #players > p
 734   margin-left: 5px
 735 .anonymous
 736   font-style: italic
 737 button.player-action
 738   margin-left: 32px
 739 </style>