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")
   5     .card.text-center
   6       label.modal-close(for="modalInfo")
   7       p(v-html="infoMessage")
   8   input#modalNewgame.modal(type="checkbox")
   9   div#newgameDiv(role="dialog" data-checkbox="modalNewgame")
  10     .card(@keyup.enter="newChallenge()")
  11       label#closeNewgame.modal-close(for="modalNewgame")
  12       fieldset
  13         label(for="selectVariant") {{ st.tr["Variant"] }} *
  14         select#selectVariant(v-model="newchallenge.vid")
  15           option(v-for="v in st.variants" :value="v.id"
  16               :selected="newchallenge.vid==v.id")
  17             | {{ v.name }}
  18       fieldset
  19         label(for="cadence") {{ st.tr["Cadence"] }} *
  20         div#predefinedCadences
  21           button 3+2
  22           button 5+3
  23           button 15+5
  24         input#cadence(type="text" v-model="newchallenge.cadence"
  25           placeholder="5+0, 1h+30s, 7d+1d ...")
  26       fieldset(v-if="st.user.id > 0")
  27         label(for="selectPlayers") {{ st.tr["Play with?"] }}
  28         input#selectPlayers(type="text" v-model="newchallenge.to")
  29       fieldset(v-if="st.user.id > 0 && newchallenge.to.length > 0")
  30         label(for="inputFen") FEN
  31         input#inputFen(type="text" v-model="newchallenge.fen")
  32       button(@click="newChallenge()") {{ st.tr["Send challenge"] }}
  33   .row
  34     .col-sm-12
  35       button#newGame(onClick="doClick('modalNewgame')") {{ st.tr["New game"] }}
  36   .row
  37     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
  38       div
  39         .button-group
  40           button#btnClive(@click="setDisplay('c','live',$event)" class="active")
  41             | {{ st.tr["Live challenges"] }}
  42           button#btnCcorr(@click="setDisplay('c','corr',$event)")
  43             | {{ st.tr["Correspondance challenges"] }}
  44         ChallengeList(v-show="cdisplay=='live'"
  45           :challenges="filterChallenges('live')" @click-challenge="clickChallenge")
  46         ChallengeList(v-show="cdisplay=='corr'"
  47           :challenges="filterChallenges('corr')" @click-challenge="clickChallenge")
  48       #people
  49         h3.text-center {{ st.tr["Who's there?"] }}
  50         #players
  51           p(v-for="sid in Object.keys(people)" v-if="!!people[sid].name")
  52             span {{ people[sid].name }}
  53             button.player-action(v-if="showPlayerActionBtn(sid)" @click="challOrWatch(sid)")
  54               | {{ getActionLabel(sid) }}
  55           p.anonymous @nonymous ({{ anonymousCount }})
  56         #chat
  57           Chat(:newChat="newChat" @mychat="processChat" :pastChats="[]")
  58         .clearer
  59       div
  60         .button-group
  61           button#btnGlive(@click="setDisplay('g','live',$event)" class="active")
  62             | {{ st.tr["Live games"] }}
  63           button#btnGcorr(@click="setDisplay('g','corr',$event)")
  64             | {{ st.tr["Correspondance games"] }}
  65         GameList(v-show="gdisplay=='live'" :games="filterGames('live')"
  66           @show-game="showGame")
  67         GameList(v-show="gdisplay=='corr'" :games="filterGames('corr')"
  68           @show-game="showGame")
  69 </template>
  70
  71 <script>
  72 import { store } from "@/store";
  73 import { checkChallenge } from "@/data/challengeCheck";
  74 import { ArrayFun } from "@/utils/array";
  75 import { ajax } from "@/utils/ajax";
  76 import params from "@/parameters";
  77 import { getRandString, shuffle } from "@/utils/alea";
  78 import Chat from "@/components/Chat.vue";
  79 import GameList from "@/components/GameList.vue";
  80 import ChallengeList from "@/components/ChallengeList.vue";
  81 import { GameStorage } from "@/utils/gameStorage";
  82 import { processModalClick } from "@/utils/modalClick";
  83 export default {
  84   name: "my-hall",
  85   components: {
  86     Chat,
  87     GameList,
  88     ChallengeList,
  89   },
  90   data: function () {
  91     return {
  92       st: store.state,
  93       cdisplay: "live", //or corr
  94       gdisplay: "live",
  95       games: [],
  96       challenges: [],
  97       people: {},
  98       infoMessage: "",
  99       newchallenge: {
 100         fen: "",
 101         vid: localStorage.getItem("vid") || "",
 102         to: "", //name of challenged player (if any)
 103         cadence: localStorage.getItem("cadence") || "",
 104       },
 105       newChat: "",
 106       conn: null,
 107       connexionString: "",
 108       // Related to (killing of) self multi-connects:
 109       newConnect: {},
 110       killed: {},
 111     };
 112   },
 113   watch: {
 114     // st.variants changes only once, at loading from [] to [...]
 115     "st.variants": function(variantArray) {
 116       // Set potential challenges and games variant names:
 117       this.challenges.concat(this.games).forEach(o => {
 118         if (o.vname == "")
 119           o.vname = this.getVname(o.vid);
 120       });
 121     },
 122   },
 123   computed: {
 124     anonymousCount: function() {
 125       let count = 0;
 126       Object.values(this.people).forEach(p => { count += (!p.name ? 1 : 0); });
 127       return count;
 128     },
 129   },
 130   created: function() {
 131     const my = this.st.user;
 132     this.$set(this.people, my.sid, {id:my.id, name:my.name, pages:["/"]});
 133     // Ask server for current corr games (all but mines)
 134     ajax(
 135       "/games",
 136       "GET",
 137       {uid: this.st.user.id, excluded: true},
 138       response => {
 139         // Show corr tab with timeout, to let enough time for (socket) polling
 140         setTimeout( () => {
 141           if (this.games.length == response.games.length)
 142             this.setDisplay('g', "corr");
 143           }, 1000);
 144         this.games = this.games.concat(response.games.map(g => {
 145           const type = this.classifyObject(g);
 146           const vname = this.getVname(g.vid);
 147           return Object.assign({}, g, {type: type, vname: vname});
 148         }));
 149       }
 150     );
 151     // Also ask for corr challenges (open + sent by/to me)
 152     ajax(
 153       "/challenges",
 154       "GET",
 155       {uid: this.st.user.id},
 156       response => {
 157         setTimeout( () => {
 158           if (this.challenges.length == response.challenges.length)
 159             this.setDisplay('c', "corr");
 160           }, 1000);
 161         // Gather all senders names, and then retrieve full identity:
 162         // (TODO [perf]: some might be online...)
 163         let names = {};
 164         response.challenges.forEach(c => {
 165           if (c.uid != this.st.user.id)
 166             names[c.uid] = ""; //unknwon for now
 167           else if (!!c.target && c.target != this.st.user.id)
 168             names[c.target] = "";
 169         });
 170         const addChallenges = (newChalls) => {
 171           names[this.st.user.id] = this.st.user.name; //in case of
 172           this.challenges = this.challenges.concat(
 173             response.challenges.map(c => {
 174               const from = {name: names[c.uid], id: c.uid}; //or just name
 175               const type = this.classifyObject(c);
 176               const vname = this.getVname(c.vid);
 177               return Object.assign({},
 178                 {
 179                   type: type,
 180                   vname: vname,
 181                   from: from,
 182                   to: (!!c.target ? names[c.target] : ""),
 183                 },
 184                 c);
 185             })
 186           );
 187         };
 188         if (names !== {})
 189         {
 190           ajax("/users",
 191             "GET",
 192             { ids: Object.keys(names).join(",") },
 193             response2 => {
 194               response2.users.forEach(u => {names[u.id] = u.name});
 195               addChallenges();
 196             }
 197           );
 198         }
 199         else
 200           addChallenges();
 201       }
 202     );
 203     const connectAndPoll = () => {
 204       this.send("connect");
 205       this.send("pollclientsandgamers");
 206     };
 207     // Initialize connection
 208     this.connexionString = params.socketUrl +
 209       "/?sid=" + this.st.user.sid +
 210       "&tmpId=" + getRandString() +
 211       "&page=" + encodeURIComponent(this.$route.path);
 212     this.conn = new WebSocket(this.connexionString);
 213     this.conn.onopen = connectAndPoll;
 214     this.conn.onmessage = this.socketMessageListener;
 215     this.conn.onclose = this.socketCloseListener;
 216   },
 217   mounted: function() {
 218     [document.getElementById("infoDiv"),document.getElementById("newgameDiv")]
 219       .forEach(elt => elt.addEventListener("click", processModalClick));
 220     document.querySelectorAll("#predefinedCadences > button").forEach(
 221       (b) => { b.addEventListener("click",
 222         () => { this.newchallenge.cadence = b.innerHTML; }
 223       )}
 224     );
 225   },
 226   beforeDestroy: function() {
 227     this.send("disconnect");
 228   },
 229   methods: {
 230     // Helpers:
 231     send: function(code, obj) {
 232       if (!!this.conn)
 233       {
 234         this.conn.send(JSON.stringify(
 235           Object.assign(
 236             {code: code},
 237             obj,
 238           )
 239         ));
 240       }
 241     },
 242     getVname: function(vid) {
 243       const variant = this.st.variants.find(v => v.id == vid);
 244       // this.st.variants might be uninitialized (variant == null)
 245       return (!!variant ? variant.name : "");
 246     },
 247     filterChallenges: function(type) {
 248       return this.challenges.filter(c => c.type == type);
 249     },
 250     filterGames: function(type) {
 251       return this.games.filter(g => g.type == type);
 252     },
 253     classifyObject: function(o) { //challenge or game
 254       return (o.cadence.indexOf('d') === -1 ? "live" : "corr");
 255     },
 256     setDisplay: function(letter, type, e) {
 257       this[letter + "display"] = type;
 258       let elt = !!e
 259         ? e.target
 260         : document.getElementById("btn" + letter.toUpperCase() + type);
 261       elt.classList.add("active");
 262       if (!!elt.previousElementSibling)
 263         elt.previousElementSibling.classList.remove("active");
 264       else
 265         elt.nextElementSibling.classList.remove("active");
 266     },
 267     isGamer: function(sid) {
 268       return this.people[sid].pages.some(p => p.indexOf("/game/") >= 0);
 269     },
 270     showPlayerActionBtn: function(sid) {
 271       // Do not show action btn if I'm anonymous and target isn't playing,
 272       // or target is anonymous and not playing,
 273       // or target is me and I don't play anywhere.
 274       const targetIsGamer = this.isGamer(sid);
 275       if ((!this.st.user.name && !targetIsGamer) ||
 276         (!this.people[sid].name && !this.isGamer(this.st.user.sid)) ||
 277         (sid == this.st.user.sid && !targetIsGamer))
 278       {
 279         return false;
 280       }
 281       return true;
 282     },
 283     getActionLabel: function(sid) {
 284       return this.people[sid].pages.some(p => p == "/")
 285         ? "Challenge"
 286         : "Observe";
 287     },
 288     challOrWatch: function(sid) {
 289       if (this.people[sid].pages.some(p => p == "/"))
 290       {
 291         // Available, in Hall
 292         this.newchallenge.to = this.people[sid].name;
 293         doClick("modalNewgame");
 294       }
 295       else
 296       {
 297         // In some game, maybe playing maybe not: show a random one
 298         let gids = [];
 299         this.people[sid].pages.forEach(p => {
 300           const matchGid = p.match(/[a-zA-Z0-9]+$/);
 301           if (!!matchGid)
 302             gids.push(matchGid[0]);
 303         });
 304         const gid = gids[Math.floor(Math.random() * gids.length)];
 305         this.showGame(this.games.find(g => g.id == gid));
 306       }
 307     },
 308     showGame: function(g) {
 309       // NOTE: we are an observer, since only games I don't play are shown here
 310       // ==> Moves sent by connected remote player(s) if live game
 311       let url = "/game/" + g.id;
 312       if (g.type == "live")
 313         url += "?rid=" + g.rids[Math.floor(Math.random() * g.rids.length)];
 314       this.$router.push(url);
 315     },
 316     processChat: function(chat) {
 317       this.send("newchat", {data:chat});
 318     },
 319     // Messaging center:
 320     socketMessageListener: function(msg) {
 321       if (!this.conn)
 322         return;
 323       const data = JSON.parse(msg.data);
 324       switch (data.code)
 325       {
 326         case "pollclientsandgamers":
 327         {
 328           // Since people can be both in Hall and Game,
 329           // need to track "askIdentity" requests:
 330           let identityAsked = {};
 331           data.sockIds.forEach(s => {
 332             const page = s.page || "/";
 333             if (s.sid != this.st.user.sid && !identityAsked[s.sid])
 334             {
 335               identityAsked[s.sid] = true;
 336               this.send("askidentity", {target:s.sid, page:page});
 337             }
 338             if (!this.people[s.sid])
 339               this.$set(this.people, s.sid, {id:0, name:"", pages:[page]});
 340             else if (this.people[s.sid].pages.indexOf(page) < 0)
 341               this.people[s.sid].pages.push(page);
 342             if (!s.page) //peer is in Hall
 343               this.send("askchallenge", {target:s.sid});
 344             else //peer is in Game
 345               this.send("askgame", {target:s.sid, page:page});
 346           });
 347           break;
 348         }
 349         case "connect":
 350         case "gconnect":
 351         {
 352           const page = data.page || "/";
 353           // NOTE: player could have been polled earlier, but might have logged in then
 354           // So it's a good idea to ask identity if he was anonymous.
 355           // But only ask game / challenge if currently disconnected.
 356           if (!this.people[data.from])
 357           {
 358             this.$set(this.people, data.from, {name:"", id:0, pages:[page]});
 359             if (data.code == "connect")
 360               this.send("askchallenge", {target:data.from});
 361             else
 362               this.send("askgame", {target:data.from, page:page});
 363           }
 364           else
 365           {
 366             // append page if not already in list
 367             if (this.people[data.from].pages.indexOf(page) < 0)
 368               this.people[data.from].pages.push(page);
 369           }
 370           if (this.people[data.from].id == 0)
 371           {
 372             this.newConnect[data.from] = true; //for self multi-connects tests
 373             this.send("askidentity", {target:data.from, page:page});
 374           }
 375           break;
 376         }
 377         case "disconnect":
 378         case "gdisconnect":
 379           if (!this.people[data.from])
 380             return; //TODO: solve this bug
 381                     // (anonymous reloads page, onclose event triggered twice...)
 382           // Disconnect means no more tmpIds:
 383           if (data.code == "disconnect")
 384           {
 385             // Remove the live challenge sent by this player:
 386             ArrayFun.remove(this.challenges, c => c.from.sid == data.from);
 387           }
 388           else
 389           {
 390             // Remove the matching live game if now unreachable
 391             const gid = data.page.match(/[a-zA-Z0-9]+$/)[0];
 392             const gidx = this.games.findIndex(g => g.id == gid);
 393             if (gidx >= 0)
 394             {
 395               const game = this.games[gidx];
 396               if (game.type == "live" &&
 397                 game.rids.length == 1 && game.rids[0] == data.from)
 398               {
 399                 this.games.splice(gidx, 1);
 400               }
 401             }
 402           }
 403           const page = data.page || "/";
 404           ArrayFun.remove(this.people[data.from].pages, p => p == page);
 405           if (this.people[data.from].pages.length == 0)
 406             this.$delete(this.people, data.from);
 407           break;
 408         case "killed":
 409           // I logged in elsewhere:
 410           alert(this.st.tr["New connexion detected: tab now offline"]);
 411           // TODO: this fails. See https://github.com/websockets/ws/issues/489
 412           //this.conn.removeEventListener("message", this.socketMessageListener);
 413           //this.conn.removeEventListener("close", this.socketCloseListener);
 414           //this.conn.close();
 415           this.conn = null;
 416           break;
 417         case "askidentity":
 418         {
 419           // Request for identification (TODO: anonymous shouldn't need to reply)
 420           const me = {
 421             // Decompose to avoid revealing email
 422             name: this.st.user.name,
 423             sid: this.st.user.sid,
 424             id: this.st.user.id,
 425           };
 426           this.send("identity", {data:me, target:data.from});
 427           break;
 428         }
 429         case "identity":
 430         {
 431           const user = data.data;
 432           if (!!user.name) //otherwise anonymous
 433           {
 434             // If I multi-connect, kill current connexion if no mark (I'm older)
 435             if (this.newConnect[user.sid] && user.id > 0
 436               && user.id == this.st.user.id && user.sid != this.st.user.sid)
 437             {
 438               if (!this.killed[this.st.user.sid])
 439               {
 440                 this.send("killme", {sid:this.st.user.sid});
 441                 this.killed[this.st.user.sid] = true;
 442               }
 443             }
 444             if (user.sid != this.st.user.sid) //I already know my identity...
 445             {
 446               this.$set(this.people, user.sid,
 447                 {
 448                   id: user.id,
 449                   name: user.name,
 450                   pages: this.people[user.sid].pages,
 451                 });
 452             }
 453           }
 454           delete this.newConnect[user.sid];
 455           break;
 456         }
 457         case "askchallenge":
 458         {
 459           // Send my current live challenge (if any)
 460           const cIdx = this.challenges.findIndex(c =>
 461             c.from.sid == this.st.user.sid && c.type == "live");
 462           if (cIdx >= 0)
 463           {
 464             const c = this.challenges[cIdx];
 465             // NOTE: in principle, should only send targeted challenge to the target.
 466             // But we may not know yet the identity of the target (just name),
 467             // so cannot decide if data.from is the target or not.
 468             const myChallenge =
 469             {
 470               id: c.id,
 471               from: this.st.user.sid,
 472               to: c.to,
 473               fen: c.fen,
 474               vid: c.vid,
 475               cadence: c.cadence,
 476               added: c.added,
 477             };
 478             this.send("challenge", {data:myChallenge, target:data.from});
 479           }
 480           break;
 481         }
 482         case "challenge": //after "askchallenge"
 483         case "newchallenge":
 484         {
 485           // NOTE about next condition: see "askchallenge" case.
 486           const chall = data.data;
 487           if (!chall.to || (this.people[chall.from].id > 0 &&
 488             (chall.from == this.st.user.sid || chall.to == this.st.user.name)))
 489           {
 490             let newChall = Object.assign({}, chall);
 491             newChall.type = this.classifyObject(chall);
 492             newChall.added = Date.now();
 493             let fromValues = Object.assign({}, this.people[chall.from]);
 494             delete fromValues["pages"]; //irrelevant in this context
 495             newChall.from = Object.assign({sid:chall.from}, fromValues);
 496             newChall.vname = this.getVname(newChall.vid);
 497             this.challenges.push(newChall);
 498             // Adjust visual:
 499             if (newChall.type == "live" && this.cdisplay == "corr" && !this.challenges.some(c => c.type == "corr"))
 500               this.setDisplay('c', "live");
 501             else if (newChall.type == "corr" && this.cdisplay == "live" && !this.challenges.some(c => c.type == "live"))
 502               this.setDisplay('c', "corr");
 503           }
 504           break;
 505         }
 506         case "refusechallenge":
 507         {
 508           const cid = data.data;
 509           ArrayFun.remove(this.challenges, c => c.id == cid);
 510           alert(this.st.tr["Challenge declined"]);
 511           break;
 512         }
 513         case "deletechallenge":
 514         {
 515           // NOTE: the challenge may be already removed
 516           const cid = data.data;
 517           ArrayFun.remove(this.challenges, c => c.id == cid);
 518           break;
 519         }
 520         case "game": //individual request
 521         case "newgame":
 522         {
 523           // NOTE: it may be live or correspondance
 524           const game = data.data;
 525           let locGame = this.games.find(g => g.id == game.id);
 526           if (!locGame)
 527           {
 528             let newGame = game;
 529             newGame.type = this.classifyObject(game);
 530             newGame.vname = this.getVname(game.vid);
 531             if (!game.score) //if new game from Hall
 532               newGame.score = "*";
 533             newGame.rids = [game.rid];
 534             delete newGame["rid"];
 535             this.games.push(newGame);
 536             // Adjust visual:
 537             if (newGame.type == "live" && this.gdisplay == "corr" && !this.games.some(g => g.type == "corr"))
 538               this.setDisplay('g', "live");
 539             else if (newGame.type == "live" && this.gdisplay == "live" && !this.games.some(g => g.type == "live"))
 540               this.setDisplay('g', "corr");
 541           }
 542           else
 543           {
 544             // Append rid (if not already in list)
 545             if (!locGame.rids.includes(game.rid))
 546               locGame.rids.push(game.rid);
 547           }
 548           break;
 549         }
 550         case "startgame":
 551         {
 552           // New game just started: data contain all information
 553           const gameInfo = data.data;
 554           if (this.classifyObject(gameInfo) == "live")
 555             this.startNewGame(gameInfo);
 556           else
 557           {
 558             this.infoMessage = this.st.tr["New correspondance game:"] +
 559               " <a href='#/game/" + gameInfo.id + "'>" +
 560               "#/game/" + gameInfo.id + "</a>";
 561             let modalBox = document.getElementById("modalInfo");
 562             modalBox.checked = true;
 563           }
 564           break;
 565         }
 566         case "newchat":
 567           this.newChat = data.data;
 568           break;
 569       }
 570     },
 571     socketCloseListener: function() {
 572       if (!this.conn)
 573         return;
 574       this.conn = new WebSocket(this.connexionString);
 575       this.conn.addEventListener("message", this.socketMessageListener);
 576       this.conn.addEventListener("close", this.socketCloseListener);
 577     },
 578     // Challenge lifecycle:
 579     newChallenge: async function() {
 580       if (this.newchallenge.vid == "")
 581         return alert(this.st.tr["Please select a variant"]);
 582       if (!!this.newchallenge.to && this.newchallenge.to == this.st.user.name)
 583         return alert(this.st.tr["Self-challenge is forbidden"]);
 584       const vname = this.getVname(this.newchallenge.vid);
 585       const vModule = await import("@/variants/" + vname + ".js");
 586       window.V = vModule.VariantRules;
 587       if (!!this.newchallenge.cadence.match(/^[0-9]+$/))
 588         this.newchallenge.cadence += "+0"; //assume minutes, no increment
 589       const error = checkChallenge(this.newchallenge);
 590       if (!!error)
 591         return alert(error);
 592       const ctype = this.classifyObject(this.newchallenge);
 593       if (ctype == "corr" && this.st.user.id <= 0)
 594         return alert(this.st.tr["Please log in to play correspondance games"]);
 595       // NOTE: "from" information is not required here
 596       let chall = Object.assign({}, this.newchallenge);
 597       const finishAddChallenge = (cid) => {
 598         chall.id = cid || "c" + getRandString();
 599         // Remove old challenge if any (only one at a time of a given type):
 600         const cIdx = this.challenges.findIndex(c =>
 601           (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id) && c.type == ctype);
 602         if (cIdx >= 0)
 603         {
 604           // Delete current challenge (will be replaced now)
 605           this.send("deletechallenge", {data:this.challenges[cIdx].id});
 606           if (ctype == "corr")
 607           {
 608             ajax(
 609               "/challenges",
 610               "DELETE",
 611               {id: this.challenges[cIdx].id}
 612             );
 613           }
 614           this.challenges.splice(cIdx, 1);
 615         }
 616         this.send("newchallenge", {data:Object.assign({from:this.st.user.sid}, chall)});
 617         // Add new challenge:
 618         chall.from = { //decompose to avoid revealing email
 619           sid: this.st.user.sid,
 620           id: this.st.user.id,
 621           name: this.st.user.name,
 622         };
 623         chall.added = Date.now();
 624         // NOTE: vname and type are redundant (can be deduced from cadence + vid)
 625         chall.type = ctype;
 626         chall.vname = vname;
 627         this.challenges.push(chall);
 628         // Remember cadence  + vid for quicker further challenges:
 629         localStorage.setItem("cadence", chall.cadence);
 630         localStorage.setItem("vid", chall.vid);
 631         document.getElementById("modalNewgame").checked = false;
 632       };
 633       if (ctype == "live")
 634       {
 635         // Live challenges have a random ID
 636         finishAddChallenge(null);
 637       }
 638       else
 639       {
 640         // Correspondance game: send challenge to server
 641         ajax(
 642           "/challenges",
 643           "POST",
 644           { chall: chall },
 645           response => { finishAddChallenge(response.cid); }
 646         );
 647       }
 648     },
 649     clickChallenge: function(c) {
 650       const myChallenge = (c.from.sid == this.st.user.sid //live
 651         || (this.st.user.id > 0 && c.from.id == this.st.user.id)); //corr
 652       if (!myChallenge)
 653       {
 654         if (c.type == "corr" && this.st.user.id <= 0)
 655           return alert(this.st.tr["Please log in to accept corr challenges"]);
 656         c.accepted = true;
 657         if (!!c.to) //c.to == this.st.user.name (connected)
 658         {
 659           // TODO: if special FEN, show diagram after loading variant
 660           c.accepted = confirm("Accept challenge?");
 661         }
 662         if (c.accepted)
 663         {
 664           c.seat = { //again, avoid c.seat = st.user to not reveal email
 665             sid: this.st.user.sid,
 666             id: this.st.user.id,
 667             name: this.st.user.name,
 668           };
 669           this.launchGame(c);
 670         }
 671         else
 672         {
 673           this.send("refusechallenge", {data:c.id, target:c.from.sid});
 674         }
 675         this.send("deletechallenge", {data:c.id});
 676       }
 677       else //my challenge
 678       {
 679         if (c.type == "corr")
 680         {
 681           ajax(
 682             "/challenges",
 683             "DELETE",
 684             {id: c.id}
 685           );
 686         }
 687         this.send("deletechallenge", {data:c.id});
 688       }
 689       // In all cases, the challenge is consumed:
 690       ArrayFun.remove(this.challenges, ch => ch.id == c.id);
 691     },
 692     // NOTE: when launching game, the challenge is already being deleted
 693     launchGame: async function(c) {
 694       const vModule = await import("@/variants/" + c.vname + ".js");
 695       window.V = vModule.VariantRules;
 696       // These game informations will be shared
 697       let gameInfo =
 698       {
 699         id: getRandString(),
 700         fen: c.fen || V.GenRandInitFen(),
 701         players: shuffle([c.from, c.seat]), //white then black
 702         vid: c.vid,
 703         cadence: c.cadence,
 704       };
 705       let oppsid = c.from.sid; //may not be defined if corr + offline opp
 706       if (!oppsid)
 707       {
 708         oppsid = Object.keys(this.people).find(sid =>
 709           this.people[sid].id == c.from.id);
 710       }
 711       const notifyNewgame = () => {
 712         if (!!oppsid) //opponent is online
 713           this.send("startgame", {data:gameInfo, target:oppsid});
 714         // Send game info (only if live) to everyone except me in this tab
 715         this.send("newgame", {data:gameInfo});
 716       };
 717       if (c.type == "live")
 718       {
 719         notifyNewgame();
 720         this.startNewGame(gameInfo);
 721       }
 722       else //corr: game only on server
 723       {
 724         ajax(
 725           "/games",
 726           "POST",
 727           {gameInfo: gameInfo, cid: c.id}, //cid useful to delete challenge
 728           response => {
 729             gameInfo.id = response.gameId;
 730             notifyNewgame();
 731             this.$router.push("/game/" + response.gameId);
 732           }
 733         );
 734       }
 735     },
 736     // NOTE: for live games only (corr games start on the server)
 737     startNewGame: function(gameInfo) {
 738       const game = Object.assign({}, gameInfo, {
 739         // (other) Game infos: constant
 740         fenStart: gameInfo.fen,
 741         vname: this.getVname(gameInfo.vid),
 742         created: Date.now(),
 743         // Game state (including FEN): will be updated
 744         moves: [],
 745         clocks: [-1, -1], //-1 = unstarted
 746         initime: [0, 0], //initialized later
 747         score: "*",
 748       });
 749       GameStorage.add(game);
 750       if (this.st.settings.sound >= 1)
 751         new Audio("/sounds/newgame.mp3").play().catch(err => {});
 752       this.$router.push("/game/" + gameInfo.id);
 753     },
 754   },
 755 };
 756 </script>
 757
 758 <style lang="sass" scoped>
 759 .active
 760   color: #42a983
 761 #newGame
 762   display: block
 763   margin: 10px auto 5px auto
 764
 765 #infoDiv > .card
 766   padding: 15px 0
 767   max-width: 430px
 768
 769 #newgameDiv > .card
 770   max-width: 767px
 771   max-height: 100%
 772
 773 #people
 774   width: 100%
 775 #players
 776   width: 50%
 777   position: relative
 778   float: left
 779 #chat
 780   width: 50%
 781   float: left
 782   position: relative
 783 @media screen and (max-width: 767px)
 784   #players, #chats
 785     width: 100%
 786 #chat > .card
 787   max-width: 100%
 788   margin: 0;
 789   border: none;
 790 #players > p
 791   margin-left: 5px
 792 .anonymous
 793   font-style: italic
 794 button.player-action
 795   margin-left: 32px
 796 </style>