client/src/views/Hall.vue

   1 <template lang="pug">
   2 main
   3   input#modalInfo.modal(type="checkbox")
   4   div#infoDiv(
   5     role="dialog"
   6     data-checkbox="modalInfo"
   7   )
   8     .card.text-center
   9       label.modal-close(for="modalInfo")
  10       p(v-html="infoMessage")
  11   input#modalNewgame.modal(type="checkbox")
  12   div#newgameDiv(
  13     role="dialog"
  14     data-checkbox="modalNewgame"
  15   )
  16     .card
  17       label#closeNewgame.modal-close(for="modalNewgame")
  18       form(@submit.prevent="newChallenge()" @keyup.enter="newChallenge()")
  19         fieldset
  20           label(for="selectVariant") {{ st.tr["Variant"] }} *
  21           select#selectVariant(v-model="newchallenge.vid")
  22             option(
  23               v-for="v in st.variants"
  24               :value="v.id"
  25               :selected="newchallenge.vid==v.id"
  26             )
  27               | {{ v.name }}
  28         fieldset
  29           label(for="cadence") {{ st.tr["Cadence"] }} *
  30           div#predefinedCadences
  31             button 3+2
  32             button 5+3
  33             button 15+5
  34           input#cadence(
  35             type="text"
  36             v-model="newchallenge.cadence"
  37             placeholder="5+0, 1h+30s, 7d+1d ..."
  38           )
  39         fieldset(v-if="st.user.id > 0")
  40           label(for="selectPlayers") {{ st.tr["Play with?"] }}
  41           input#selectPlayers(
  42             type="text"
  43             v-model="newchallenge.to"
  44           )
  45         fieldset(v-if="st.user.id > 0 && newchallenge.to.length > 0")
  46           label(for="inputFen") FEN
  47           input#inputFen(
  48             type="text"
  49             v-model="newchallenge.fen"
  50           )
  51       button(@click="newChallenge()") {{ st.tr["Send challenge"] }}
  52   input#modalPeople.modal(
  53     type="checkbox"
  54     @click="resetChatColor()"
  55   )
  56   div#peopleWrap(
  57     role="dialog"
  58     data-checkbox="modalPeople"
  59   )
  60     .card
  61       label.modal-close(for="modalPeople")
  62       #people
  63         #players
  64           p(
  65             v-for="sid in Object.keys(people)"
  66             v-if="!!people[sid].name"
  67           )
  68             span {{ people[sid].name }}
  69             button.player-action(
  70               v-if="isGamer(sid) || (st.user.id > 0 && sid!=st.user.sid)"
  71               @click="challOrWatch(sid)"
  72             )
  73               | {{ getActionLabel(sid) }}
  74           p.anonymous @nonymous ({{ anonymousCount }})
  75         #chat
  76           Chat(
  77             :newChat="newChat"
  78             @mychat="processChat"
  79             :pastChats="[]"
  80           )
  81         .clearer
  82   .row
  83     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
  84       .button-group
  85         button#peopleBtn(onClick="window.doClick('modalPeople')")
  86           | {{ st.tr["Who's there?"] }}
  87         button(onClick="window.doClick('modalNewgame')")
  88           | {{ st.tr["New game"] }}
  89   .row
  90     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
  91       div#div2
  92         .button-group
  93           button.tabbtn#btnClive(@click="setDisplay('c','live',$event)")
  94             | {{ st.tr["Live challenges"] }}
  95           button.tabbtn#btnCcorr(@click="setDisplay('c','corr',$event)")
  96             | {{ st.tr["Correspondance challenges"] }}
  97         ChallengeList(
  98           v-show="cdisplay=='live'"
  99           :challenges="filterChallenges('live')"
 100           @click-challenge="clickChallenge"
 101         )
 102         ChallengeList(
 103           v-show="cdisplay=='corr'"
 104           :challenges="filterChallenges('corr')"
 105           @click-challenge="clickChallenge"
 106         )
 107       div#div3
 108         .button-group
 109           button.tabbtn#btnGlive(@click="setDisplay('g','live',$event)")
 110             | {{ st.tr["Live games"] }}
 111           button.tabbtn#btnGcorr(@click="setDisplay('g','corr',$event)")
 112             | {{ st.tr["Correspondance games"] }}
 113         GameList(
 114           v-show="gdisplay=='live'"
 115           :games="filterGames('live')"
 116           :showBoth="true"
 117           @show-game="showGame"
 118         )
 119         GameList(
 120           v-show="gdisplay=='corr'"
 121           :games="filterGames('corr')"
 122           :showBoth="true"
 123           @show-game="showGame"
 124         )
 125 </template>
 126
 127 <script>
 128 import { store } from "@/store";
 129 import { checkChallenge } from "@/data/challengeCheck";
 130 import { ArrayFun } from "@/utils/array";
 131 import { ajax } from "@/utils/ajax";
 132 import params from "@/parameters";
 133 import { getRandString, shuffle } from "@/utils/alea";
 134 import Chat from "@/components/Chat.vue";
 135 import GameList from "@/components/GameList.vue";
 136 import ChallengeList from "@/components/ChallengeList.vue";
 137 import { GameStorage } from "@/utils/gameStorage";
 138 import { processModalClick } from "@/utils/modalClick";
 139 export default {
 140   name: "my-hall",
 141   components: {
 142     Chat,
 143     GameList,
 144     ChallengeList
 145   },
 146   data: function() {
 147     return {
 148       st: store.state,
 149       cdisplay: "live", //or corr
 150       gdisplay: "live",
 151       games: [],
 152       challenges: [],
 153       people: {},
 154       infoMessage: "",
 155       newchallenge: {
 156         fen: "",
 157         vid: localStorage.getItem("vid") || "",
 158         to: "", //name of challenged player (if any)
 159         cadence: localStorage.getItem("cadence") || ""
 160       },
 161       newChat: "",
 162       conn: null,
 163       connexionString: "",
 164       // Related to (killing of) self multi-connects:
 165       newConnect: {},
 166       killed: {}
 167     };
 168   },
 169   watch: {
 170     // st.variants changes only once, at loading from [] to [...]
 171     "st.variants": function() {
 172       // Set potential challenges and games variant names:
 173       this.challenges.concat(this.games).forEach(o => {
 174         if (o.vname == "") o.vname = this.getVname(o.vid);
 175       });
 176     }
 177   },
 178   computed: {
 179     anonymousCount: function() {
 180       let count = 0;
 181       Object.values(this.people).forEach(p => {
 182         count += !p.name ? 1 : 0;
 183       });
 184       return count;
 185     }
 186   },
 187   created: function() {
 188     const my = this.st.user;
 189     this.$set(this.people, my.sid, { id: my.id, name: my.name, pages: ["/"] });
 190     // Ask server for current corr games (all but mines)
 191     ajax(
 192       "/games",
 193       "GET",
 194       { uid: this.st.user.id, excluded: true },
 195       response => {
 196         this.games = this.games.concat(
 197           response.games.map(g => {
 198             const type = this.classifyObject(g);
 199             const vname = this.getVname(g.vid);
 200             return Object.assign({}, g, { type: type, vname: vname });
 201           })
 202         );
 203       }
 204     );
 205     // Also ask for corr challenges (open + sent by/to me)
 206     ajax("/challenges", "GET", { uid: this.st.user.id }, response => {
 207       // Gather all senders names, and then retrieve full identity:
 208       // (TODO [perf]: some might be online...)
 209       let names = {};
 210       response.challenges.forEach(c => {
 211         if (c.uid != this.st.user.id) names[c.uid] = "";
 212         //unknwon for now
 213         else if (!!c.target && c.target != this.st.user.id)
 214           names[c.target] = "";
 215       });
 216       const addChallenges = () => {
 217         names[this.st.user.id] = this.st.user.name; //in case of
 218         this.challenges = this.challenges.concat(
 219           response.challenges.map(c => {
 220             const from = { name: names[c.uid], id: c.uid }; //or just name
 221             const type = this.classifyObject(c);
 222             const vname = this.getVname(c.vid);
 223             return Object.assign(
 224               {},
 225               {
 226                 type: type,
 227                 vname: vname,
 228                 from: from,
 229                 to: c.target ? names[c.target] : ""
 230               },
 231               c
 232             );
 233           })
 234         );
 235       };
 236       if (Object.keys(names).length > 0) {
 237         ajax(
 238           "/users",
 239           "GET",
 240           { ids: Object.keys(names).join(",") },
 241           response2 => {
 242             response2.users.forEach(u => {
 243               names[u.id] = u.name;
 244             });
 245             addChallenges();
 246           }
 247         );
 248       } else addChallenges();
 249     });
 250     const connectAndPoll = () => {
 251       this.send("connect");
 252       this.send("pollclientsandgamers");
 253     };
 254     // Initialize connection
 255     this.connexionString =
 256       params.socketUrl +
 257       "/?sid=" +
 258       this.st.user.sid +
 259       "&tmpId=" +
 260       getRandString() +
 261       "&page=" +
 262       encodeURIComponent(this.$route.path);
 263     this.conn = new WebSocket(this.connexionString);
 264     this.conn.onopen = connectAndPoll;
 265     this.conn.onmessage = this.socketMessageListener;
 266     this.conn.onclose = this.socketCloseListener;
 267   },
 268   mounted: function() {
 269     ["peopleWrap", "infoDiv", "newgameDiv"].forEach(eltName => {
 270       let elt = document.getElementById(eltName);
 271       elt.addEventListener("click", processModalClick);
 272     });
 273     document.querySelectorAll("#predefinedCadences > button").forEach(b => {
 274       b.addEventListener("click", () => {
 275         this.newchallenge.cadence = b.innerHTML;
 276       });
 277     });
 278     const dispCorr = this.$route.query["disp"];
 279     const showCtype =
 280       dispCorr || localStorage.getItem("type-challenges") || "live";
 281     const showGtype =
 282       dispCorr || localStorage.getItem("type-games") || "live";
 283     this.setDisplay("c", showCtype);
 284     this.setDisplay("g", showGtype);
 285   },
 286   beforeDestroy: function() {
 287     this.send("disconnect");
 288   },
 289   methods: {
 290     // Helpers:
 291     send: function(code, obj) {
 292       if (this.conn) {
 293         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 294       }
 295     },
 296     getVname: function(vid) {
 297       const variant = this.st.variants.find(v => v.id == vid);
 298       // this.st.variants might be uninitialized (variant == null)
 299       return variant ? variant.name : "";
 300     },
 301     filterChallenges: function(type) {
 302       return this.challenges.filter(c => c.type == type);
 303     },
 304     filterGames: function(type) {
 305       return this.games.filter(g => g.type == type);
 306     },
 307     classifyObject: function(o) {
 308       //challenge or game
 309       return o.cadence.indexOf("d") === -1 ? "live" : "corr";
 310     },
 311     setDisplay: function(letter, type, e) {
 312       this[letter + "display"] = type;
 313       localStorage.setItem(
 314         "type-" + (letter == "c" ? "challenges" : "games"),
 315         type
 316       );
 317       let elt = e
 318         ? e.target
 319         : document.getElementById("btn" + letter.toUpperCase() + type);
 320       elt.classList.add("active");
 321       elt.classList.remove("somethingnew"); //in case of
 322       if (elt.previousElementSibling)
 323         elt.previousElementSibling.classList.remove("active");
 324       else elt.nextElementSibling.classList.remove("active");
 325     },
 326     isGamer: function(sid) {
 327       return this.people[sid].pages.some(p => p.indexOf("/game/") >= 0);
 328     },
 329     getActionLabel: function(sid) {
 330       return this.people[sid].pages.some(p => p == "/")
 331         ? "Challenge"
 332         : "Observe";
 333     },
 334     challOrWatch: function(sid) {
 335       if (this.people[sid].pages.some(p => p == "/")) {
 336         // Available, in Hall
 337         this.newchallenge.to = this.people[sid].name;
 338         document.getElementById("modalPeople").checked = false;
 339         window.doClick("modalNewgame");
 340       } else {
 341         // In some game, maybe playing maybe not: show a random one
 342         let gids = [];
 343         this.people[sid].pages.forEach(p => {
 344           const matchGid = p.match(/[a-zA-Z0-9]+$/);
 345           if (matchGid) gids.push(matchGid[0]);
 346         });
 347         const gid = gids[Math.floor(Math.random() * gids.length)];
 348         const game = this.games.find(g => g.id == gid);
 349         if (game) this.showGame(game);
 350         else this.$router.push("/game/" + gid); //game vs. me
 351       }
 352     },
 353     showGame: function(g) {
 354       // NOTE: we are an observer, since only games I don't play are shown here
 355       // ==> Moves sent by connected remote player(s) if live game
 356       let url = "/game/" + g.id;
 357       if (g.type == "live")
 358         url += "?rid=" + g.rids[Math.floor(Math.random() * g.rids.length)];
 359       this.$router.push(url);
 360     },
 361     resetChatColor: function() {
 362       // TODO: this is called twice, once on opening an once on closing
 363       document.getElementById("peopleBtn").classList.remove("somethingnew");
 364     },
 365     processChat: function(chat) {
 366       this.send("newchat", { data: chat });
 367     },
 368     // Messaging center:
 369     socketMessageListener: function(msg) {
 370       if (!this.conn) return;
 371       const data = JSON.parse(msg.data);
 372       switch (data.code) {
 373         case "pollclientsandgamers": {
 374           // Since people can be both in Hall and Game,
 375           // need to track "askIdentity" requests:
 376           let identityAsked = {};
 377           data.sockIds.forEach(s => {
 378             const page = s.page || "/";
 379             if (s.sid != this.st.user.sid && !identityAsked[s.sid]) {
 380               identityAsked[s.sid] = true;
 381               this.send("askidentity", { target: s.sid, page: page });
 382             }
 383             if (!this.people[s.sid])
 384               this.$set(this.people, s.sid, { id: 0, name: "", pages: [page] });
 385             else if (this.people[s.sid].pages.indexOf(page) < 0)
 386               this.people[s.sid].pages.push(page);
 387             if (!s.page)
 388               //peer is in Hall
 389               this.send("askchallenge", { target: s.sid });
 390             //peer is in Game
 391             else this.send("askgame", { target: s.sid, page: page });
 392           });
 393           break;
 394         }
 395         case "connect":
 396         case "gconnect": {
 397           const page = data.page || "/";
 398           // NOTE: player could have been polled earlier, but might have logged in then
 399           // So it's a good idea to ask identity if he was anonymous.
 400           // But only ask game / challenge if currently disconnected.
 401           if (!this.people[data.from]) {
 402             this.$set(this.people, data.from, {
 403               name: "",
 404               id: 0,
 405               pages: [page]
 406             });
 407             if (data.code == "connect")
 408               this.send("askchallenge", { target: data.from });
 409             else this.send("askgame", { target: data.from, page: page });
 410           } else {
 411             // append page if not already in list
 412             if (this.people[data.from].pages.indexOf(page) < 0)
 413               this.people[data.from].pages.push(page);
 414           }
 415           if (this.people[data.from].id == 0) {
 416             this.newConnect[data.from] = true; //for self multi-connects tests
 417             this.send("askidentity", { target: data.from, page: page });
 418           }
 419           break;
 420         }
 421         case "disconnect":
 422         case "gdisconnect": {
 423           // If the user reloads the page twice very quickly (experienced with Firefox),
 424           // the first reload won't have time to connect but will trigger a "close" event anyway.
 425           // ==> Next check is required.
 426           if (!this.people[data.from]) return;
 427           // Disconnect means no more tmpIds:
 428           if (data.code == "disconnect") {
 429             // Remove the live challenge sent by this player:
 430             ArrayFun.remove(this.challenges, c => c.from.sid == data.from);
 431           } else {
 432             // Remove the matching live game if now unreachable
 433             const gid = data.page.match(/[a-zA-Z0-9]+$/)[0];
 434             const gidx = this.games.findIndex(g => g.id == gid);
 435             if (gidx >= 0) {
 436               const game = this.games[gidx];
 437               if (
 438                 game.type == "live" &&
 439                 game.rids.length == 1 &&
 440                 game.rids[0] == data.from
 441               ) {
 442                 this.games.splice(gidx, 1);
 443               }
 444             }
 445           }
 446           const page = data.page || "/";
 447           ArrayFun.remove(this.people[data.from].pages, p => p == page);
 448           if (this.people[data.from].pages.length == 0)
 449             this.$delete(this.people, data.from);
 450           break;
 451         }
 452         case "killed":
 453           // I logged in elsewhere:
 454           alert(this.st.tr["New connexion detected: tab now offline"]);
 455           // TODO: this fails. See https://github.com/websockets/ws/issues/489
 456           //this.conn.removeEventListener("message", this.socketMessageListener);
 457           //this.conn.removeEventListener("close", this.socketCloseListener);
 458           //this.conn.close();
 459           this.conn = null;
 460           break;
 461         case "askidentity": {
 462           // Request for identification (TODO: anonymous shouldn't need to reply)
 463           const me = {
 464             // Decompose to avoid revealing email
 465             name: this.st.user.name,
 466             sid: this.st.user.sid,
 467             id: this.st.user.id
 468           };
 469           this.send("identity", { data: me, target: data.from });
 470           break;
 471         }
 472         case "identity": {
 473           const user = data.data;
 474           if (user.name) {
 475             // If I multi-connect, kill current connexion if no mark (I'm older)
 476             if (
 477               this.newConnect[user.sid] &&
 478               user.id > 0 &&
 479               user.id == this.st.user.id &&
 480               user.sid != this.st.user.sid
 481             ) {
 482               if (!this.killed[this.st.user.sid]) {
 483                 this.send("killme", { sid: this.st.user.sid });
 484                 this.killed[this.st.user.sid] = true;
 485               }
 486             }
 487             if (user.sid != this.st.user.sid) {
 488               //I already know my identity...
 489               this.$set(this.people, user.sid, {
 490                 id: user.id,
 491                 name: user.name,
 492                 pages: this.people[user.sid].pages
 493               });
 494             }
 495           }
 496           delete this.newConnect[user.sid];
 497           break;
 498         }
 499         case "askchallenge": {
 500           // Send my current live challenge (if any)
 501           const cIdx = this.challenges.findIndex(
 502             c => c.from.sid == this.st.user.sid && c.type == "live"
 503           );
 504           if (cIdx >= 0) {
 505             const c = this.challenges[cIdx];
 506             // NOTE: in principle, should only send targeted challenge to the target.
 507             // But we may not know yet the identity of the target (just name),
 508             // so cannot decide if data.from is the target or not.
 509             const myChallenge = {
 510               id: c.id,
 511               from: this.st.user.sid,
 512               to: c.to,
 513               fen: c.fen,
 514               vid: c.vid,
 515               cadence: c.cadence,
 516               added: c.added
 517             };
 518             this.send("challenge", { data: myChallenge, target: data.from });
 519           }
 520           break;
 521         }
 522         case "challenge": //after "askchallenge"
 523         case "newchallenge": {
 524           // NOTE about next condition: see "askchallenge" case.
 525           const chall = data.data;
 526           if (
 527             !chall.to ||
 528             (this.people[chall.from].id > 0 &&
 529               (chall.from == this.st.user.sid || chall.to == this.st.user.name))
 530           ) {
 531             let newChall = Object.assign({}, chall);
 532             newChall.type = this.classifyObject(chall);
 533             newChall.added = Date.now();
 534             let fromValues = Object.assign({}, this.people[chall.from]);
 535             delete fromValues["pages"]; //irrelevant in this context
 536             newChall.from = Object.assign({ sid: chall.from }, fromValues);
 537             newChall.vname = this.getVname(newChall.vid);
 538             this.challenges.push(newChall);
 539             if (
 540               (newChall.type == "live" && this.cdisplay == "corr") ||
 541               (newChall.type == "corr" && this.cdisplay == "live")
 542             ) {
 543               document
 544                 .getElementById("btnC" + newChall.type)
 545                 .classList.add("somethingnew");
 546             }
 547           }
 548           break;
 549         }
 550         case "refusechallenge": {
 551           const cid = data.data;
 552           ArrayFun.remove(this.challenges, c => c.id == cid);
 553           alert(this.st.tr["Challenge declined"]);
 554           break;
 555         }
 556         case "deletechallenge": {
 557           // NOTE: the challenge may be already removed
 558           const cid = data.data;
 559           ArrayFun.remove(this.challenges, c => c.id == cid);
 560           break;
 561         }
 562         case "game": //individual request
 563         case "newgame": {
 564           // NOTE: it may be live or correspondance
 565           const game = data.data;
 566           let locGame = this.games.find(g => g.id == game.id);
 567           if (!locGame) {
 568             let newGame = game;
 569             newGame.type = this.classifyObject(game);
 570             newGame.vname = this.getVname(game.vid);
 571             if (!game.score)
 572               //if new game from Hall
 573               newGame.score = "*";
 574             newGame.rids = [game.rid];
 575             delete newGame["rid"];
 576             this.games.push(newGame);
 577             if (
 578               (newGame.type == "live" && this.gdisplay == "corr") ||
 579               (newGame.type == "corr" && this.gdisplay == "live")
 580             ) {
 581               document
 582                 .getElementById("btnG" + newGame.type)
 583                 .classList.add("somethingnew");
 584             }
 585           } else {
 586             // Append rid (if not already in list)
 587             if (!locGame.rids.includes(game.rid)) locGame.rids.push(game.rid);
 588           }
 589           break;
 590         }
 591         case "result": {
 592           let g = this.games.find(g => g.id == data.gid);
 593           if (g) g.score = data.score;
 594           break;
 595         }
 596         case "startgame": {
 597           // New game just started: data contain all information
 598           const gameInfo = data.data;
 599           if (this.classifyObject(gameInfo) == "live")
 600             this.startNewGame(gameInfo);
 601           else {
 602             this.infoMessage =
 603               this.st.tr["New correspondance game:"] +
 604               " <a href='#/game/" +
 605               gameInfo.id +
 606               "'>" +
 607               "#/game/" +
 608               gameInfo.id +
 609               "</a>";
 610             let modalBox = document.getElementById("modalInfo");
 611             modalBox.checked = true;
 612           }
 613           break;
 614         }
 615         case "newchat":
 616           this.newChat = data.data;
 617           if (!document.getElementById("modalPeople").checked)
 618             document.getElementById("peopleBtn").classList.add("somethingnew");
 619           break;
 620       }
 621     },
 622     socketCloseListener: function() {
 623       if (!this.conn) return;
 624       this.conn = new WebSocket(this.connexionString);
 625       this.conn.addEventListener("message", this.socketMessageListener);
 626       this.conn.addEventListener("close", this.socketCloseListener);
 627     },
 628     // Challenge lifecycle:
 629     newChallenge: async function() {
 630       let error = "";
 631       if (this.newchallenge.vid == "")
 632         error = this.st.tr["Please select a variant"];
 633       else if (!!this.newchallenge.to && this.newchallenge.to == this.st.user.name)
 634         error = this.st.tr["Self-challenge is forbidden"];
 635       if (error) {
 636         alert(error);
 637         return;
 638       }
 639       const vname = this.getVname(this.newchallenge.vid);
 640       const vModule = await import("@/variants/" + vname + ".js");
 641       window.V = vModule.VariantRules;
 642       if (this.newchallenge.cadence.match(/^[0-9]+$/))
 643         this.newchallenge.cadence += "+0"; //assume minutes, no increment
 644       const ctype = this.classifyObject(this.newchallenge);
 645       error = checkChallenge(this.newchallenge);
 646       if (!error && ctype == "corr" && this.st.user.id <= 0)
 647         error = this.st.tr["Please log in to play correspondance games"];
 648       if (error) {
 649         alert(error);
 650         return;
 651       }
 652       // NOTE: "from" information is not required here
 653       let chall = Object.assign({}, this.newchallenge);
 654       const finishAddChallenge = cid => {
 655         chall.id = cid || "c" + getRandString();
 656         // Remove old challenge if any (only one at a time of a given type):
 657         const cIdx = this.challenges.findIndex(
 658           c =>
 659             (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id) &&
 660             c.type == ctype
 661         );
 662         if (cIdx >= 0) {
 663           // Delete current challenge (will be replaced now)
 664           this.send("deletechallenge", { data: this.challenges[cIdx].id });
 665           if (ctype == "corr") {
 666             ajax("/challenges", "DELETE", { id: this.challenges[cIdx].id });
 667           }
 668           this.challenges.splice(cIdx, 1);
 669         }
 670         this.send("newchallenge", {
 671           data: Object.assign({ from: this.st.user.sid }, chall)
 672         });
 673         // Add new challenge:
 674         chall.from = {
 675           //decompose to avoid revealing email
 676           sid: this.st.user.sid,
 677           id: this.st.user.id,
 678           name: this.st.user.name
 679         };
 680         chall.added = Date.now();
 681         // NOTE: vname and type are redundant (can be deduced from cadence + vid)
 682         chall.type = ctype;
 683         chall.vname = vname;
 684         this.challenges.push(chall);
 685         // Remember cadence  + vid for quicker further challenges:
 686         localStorage.setItem("cadence", chall.cadence);
 687         localStorage.setItem("vid", chall.vid);
 688         document.getElementById("modalNewgame").checked = false;
 689       };
 690       if (ctype == "live") {
 691         // Live challenges have a random ID
 692         finishAddChallenge(null);
 693       } else {
 694         // Correspondance game: send challenge to server
 695         ajax("/challenges", "POST", { chall: chall }, response => {
 696           finishAddChallenge(response.cid);
 697         });
 698       }
 699     },
 700     clickChallenge: function(c) {
 701       const myChallenge =
 702         c.from.sid == this.st.user.sid || //live
 703         (this.st.user.id > 0 && c.from.id == this.st.user.id); //corr
 704       if (!myChallenge) {
 705         if (c.type == "corr" && this.st.user.id <= 0) {
 706           alert(this.st.tr["Please log in to accept corr challenges"]);
 707           return;
 708         }
 709         c.accepted = true;
 710         if (c.to) {
 711           //c.to == this.st.user.name (connected)
 712           // TODO: if special FEN, show diagram after loading variant
 713           c.accepted = confirm("Accept challenge?");
 714         }
 715         if (c.accepted) {
 716           c.seat = {
 717             //again, avoid c.seat = st.user to not reveal email
 718             sid: this.st.user.sid,
 719             id: this.st.user.id,
 720             name: this.st.user.name
 721           };
 722           this.launchGame(c);
 723         } else {
 724           this.send("refusechallenge", { data: c.id, target: c.from.sid });
 725         }
 726         this.send("deletechallenge", { data: c.id });
 727       } //my challenge
 728       else {
 729         if (c.type == "corr") {
 730           ajax("/challenges", "DELETE", { id: c.id });
 731         }
 732         this.send("deletechallenge", { data: c.id });
 733       }
 734       // In all cases, the challenge is consumed:
 735       ArrayFun.remove(this.challenges, ch => ch.id == c.id);
 736     },
 737     // NOTE: when launching game, the challenge is already being deleted
 738     launchGame: async function(c) {
 739       const vModule = await import("@/variants/" + c.vname + ".js");
 740       window.V = vModule.VariantRules;
 741       // These game informations will be shared
 742       let gameInfo = {
 743         id: getRandString(),
 744         fen: c.fen || V.GenRandInitFen(),
 745         players: shuffle([c.from, c.seat]), //white then black
 746         vid: c.vid,
 747         cadence: c.cadence
 748       };
 749       let oppsid = c.from.sid; //may not be defined if corr + offline opp
 750       if (!oppsid) {
 751         oppsid = Object.keys(this.people).find(
 752           sid => this.people[sid].id == c.from.id
 753         );
 754       }
 755       const notifyNewgame = () => {
 756         if (oppsid)
 757           //opponent is online
 758           this.send("startgame", { data: gameInfo, target: oppsid });
 759         // Send game info (only if live) to everyone except me in this tab
 760         this.send("newgame", { data: gameInfo });
 761       };
 762       if (c.type == "live") {
 763         notifyNewgame();
 764         this.startNewGame(gameInfo);
 765       } //corr: game only on server
 766       else {
 767         ajax(
 768           "/games",
 769           "POST",
 770           { gameInfo: gameInfo, cid: c.id }, //cid useful to delete challenge
 771           response => {
 772             gameInfo.id = response.gameId;
 773             notifyNewgame();
 774             this.$router.push("/game/" + response.gameId);
 775           }
 776         );
 777       }
 778     },
 779     // NOTE: for live games only (corr games start on the server)
 780     startNewGame: function(gameInfo) {
 781       const game = Object.assign({}, gameInfo, {
 782         // (other) Game infos: constant
 783         fenStart: gameInfo.fen,
 784         vname: this.getVname(gameInfo.vid),
 785         created: Date.now(),
 786         // Game state (including FEN): will be updated
 787         moves: [],
 788         clocks: [-1, -1], //-1 = unstarted
 789         initime: [0, 0], //initialized later
 790         score: "*"
 791       });
 792       GameStorage.add(game);
 793       if (this.st.settings.sound >= 1)
 794         new Audio("/sounds/newgame.mp3").play().catch(() => {});
 795       this.$router.push("/game/" + gameInfo.id);
 796     }
 797   }
 798 };
 799 </script>
 800
 801 <style lang="sass" scoped>
 802 .active
 803   color: #42a983
 804
 805 #infoDiv > .card
 806   padding: 15px 0
 807   max-width: 430px
 808
 809 #newgameDiv > .card
 810   max-width: 767px
 811   max-height: 100%
 812
 813 div#peopleWrap > .card
 814   max-height: 100%
 815
 816 @media screen and (min-width: 1281px)
 817   div#peopleWrap > .card
 818     max-width: 66.67%
 819
 820 @media screen and (max-width: 1280px)
 821   div#peopleWrap > .card
 822     max-width: 83.33%
 823
 824 @media screen and (max-width: 767px)
 825   div#peopleWrap > .card
 826     max-width: 100%
 827
 828 #players
 829   width: 50%
 830   position: relative
 831   float: left
 832
 833 #chat
 834   width: 50%
 835   float: left
 836   position: relative
 837
 838 @media screen and (max-width: 767px)
 839   #players, #chats
 840     width: 100%
 841
 842 #chat > .card
 843   max-width: 100%
 844   margin: 0;
 845   border: none;
 846
 847 #players > p
 848   margin-left: 5px
 849
 850 .anonymous
 851   font-style: italic
 852
 853 button.player-action
 854   margin-left: 32px
 855
 856 .somethingnew
 857   background-color: #c5fefe !important
 858
 859 .tabbtn
 860   background-color: #f9faee
 861
 862 #div2, #div3
 863   margin-top: 15px
 864 @media screen and (max-width: 767px)
 865   #div2, #div3
 866     margin-top: 0
 867 </style>