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#modalAccept.modal(type="checkbox")
  12   div#acceptDiv(role="dialog")
  13     .card
  14       p.text-center
  15         span.variantName {{ curChallToAccept.vname }}
  16         span {{ curChallToAccept.cadence }}
  17         span {{ st.tr["with"] + " " + curChallToAccept.from.name }}
  18       .diagram(
  19         v-if="!!curChallToAccept.fen"
  20         v-html="tchallDiag"
  21       )
  22       .button-group#buttonsTchall(:style="tchallButtonsMargin()")
  23         button.acceptBtn(@click="decisionChallenge(true)")
  24           span {{ st.tr["Accept challenge?"] }}
  25         button.refuseBtn(@click="decisionChallenge(false)")
  26           span {{ st.tr["Refuse"] }}
  27   input#modalNewgame.modal(
  28     type="checkbox"
  29     @change="cadenceFocusIfOpened($event)"
  30   )
  31   div#newgameDiv(
  32     role="dialog"
  33     data-checkbox="modalNewgame"
  34   )
  35     .card
  36       label#closeNewgame.modal-close(for="modalNewgame")
  37       div(@keyup.enter="issueNewChallenge()")
  38         fieldset
  39           label(for="selectVariant") {{ st.tr["Variant"] }} *
  40           select#selectVariant(
  41             @change="loadNewchallVariant(trySetNewchallDiag)"
  42             v-model="newchallenge.vid"
  43           )
  44             option(
  45               v-for="v in st.variants"
  46               :value="v.id"
  47               :selected="newchallenge.vid==v.id"
  48             )
  49               | {{ v.name }}
  50         fieldset
  51           label(for="cadence") {{ st.tr["Cadence"] }} *
  52           div#predefinedCadences
  53             button(type="button") 15+5
  54             button(type="button") 45+30
  55             button(type="button") 3d
  56             button(type="button") 7d
  57           input#cadence(
  58             type="text"
  59             v-model="newchallenge.cadence"
  60             placeholder="5+0, 1h+30s, 5d ..."
  61           )
  62         fieldset
  63           label(for="selectRandomLevel") {{ st.tr["Randomness"] }} *
  64           select#selectRandomLevel(v-model="newchallenge.randomness")
  65             option(value="0") {{ st.tr["Deterministic"] }}
  66             option(value="1") {{ st.tr["Symmetric random"] }}
  67             option(value="2") {{ st.tr["Asymmetric random"] }}
  68         fieldset
  69           label(for="memorizeChall") {{ st.tr["Memorize"] }}
  70           input#memorizeChall(
  71             type="checkbox"
  72             v-model="newchallenge.memorize"
  73           )
  74         fieldset(v-if="st.user.id > 0")
  75           label(for="selectPlayers") {{ st.tr["Play with"] }}
  76           select#selectPlayersInList(
  77             v-model="newchallenge.to"
  78             @change="changeChallTarget()"
  79           )
  80             option(value="")
  81             option(
  82               v-for="p in Object.values(people)"
  83               v-if="!!p.name"
  84               :value="p.name"
  85             )
  86               | {{ p.name }}
  87           input#selectPlayers(
  88             type="text"
  89             v-model="newchallenge.to"
  90           )
  91         fieldset(v-if="st.user.id > 0 && newchallenge.to.length > 0")
  92           input#inputFen(
  93             placeholder="FEN"
  94             @input="trySetNewchallDiag()"
  95             type="text"
  96             v-model="newchallenge.fen"
  97           )
  98         .diagram(v-html="newchallenge.diag")
  99       button(@click="issueNewChallenge()") {{ st.tr["Send challenge"] }}
 100   input#modalPeople.modal(
 101     type="checkbox"
 102     @click="resetSocialColor()"
 103   )
 104   div#peopleWrap(
 105     role="dialog"
 106     data-checkbox="modalPeople"
 107   )
 108     .card
 109       label.modal-close(for="modalPeople")
 110       #people
 111         #players
 112           p(
 113             v-for="sid in Object.keys(people)"
 114             v-if="!!people[sid].name"
 115           )
 116             span {{ people[sid].name }}
 117             button.player-action(
 118               v-if="isGamer(sid)"
 119               @click="watchGame(sid)"
 120             )
 121               | {{ st.tr["Observe"] }}
 122             button.player-action(
 123               v-else-if="isFocusedOnHall(sid)"
 124               @click="challenge(sid)"
 125             )
 126               | {{ st.tr["Challenge"] }}
 127           p.anonymous @nonymous ({{ anonymousCount() }})
 128         #chat
 129           Chat(
 130             ref="chatcomp"
 131             @mychat="processChat"
 132             :pastChats="[]"
 133           )
 134         .clearer
 135   .row
 136     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
 137       .button-group
 138         button#peopleBtn(@click="openModalPeople()")
 139           | {{ st.tr["Who's there?"] }}
 140         button(@click="showNewchallengeForm()")
 141           | {{ st.tr["New game"] }}
 142   .row(v-if="presetChalls.length > 0")
 143     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
 144       h4.text-center {{ st.tr["Preset challenges"] }}
 145       table
 146         thead
 147           tr
 148             th {{ st.tr["Variant"] }}
 149             th {{ st.tr["Cadence"] }}
 150             th {{ st.tr["Random?"] }}
 151             th
 152         tbody
 153           tr(
 154             v-for="pc in presetChalls"
 155             @click="newChallFromPreset(pc)"
 156           )
 157             td {{ pc.vname }}
 158             td {{ pc.cadence }}
 159             td(:class="getRandomnessClass(pc)")
 160             td.remove-preset(@click="removePresetChall($event, pc)")
 161               img(src="/images/icons/delete.svg")
 162   .row
 163     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
 164       div#div2
 165         .button-group
 166           button.tabbtn#btnClive(@click="setDisplay('c','live',$event)")
 167             | {{ st.tr["Live challenges"] }}
 168           button.tabbtn#btnCcorr(@click="setDisplay('c','corr',$event)")
 169             | {{ st.tr["Correspondance challenges"] }}
 170         ChallengeList(
 171           v-show="cdisplay=='live'"
 172           :challenges="filterChallenges('live')"
 173           @click-challenge="clickChallenge"
 174         )
 175         ChallengeList(
 176           v-show="cdisplay=='corr'"
 177           :challenges="filterChallenges('corr')"
 178           @click-challenge="clickChallenge"
 179         )
 180       div#div3
 181         .button-group
 182           button.tabbtn#btnGlive(@click="setDisplay('g','live',$event)")
 183             | {{ st.tr["Live games"] }}
 184           button.tabbtn#btnGcorr(@click="setDisplay('g','corr',$event)")
 185             | {{ st.tr["Correspondance games"] }}
 186         GameList(
 187           v-show="gdisplay=='live'"
 188           :games="filterGames('live')"
 189           :showBoth="true"
 190           @show-game="showGame"
 191         )
 192         div(v-show="gdisplay=='corr'")
 193           GameList(
 194             :games="filterGames('corr')"
 195             :showBoth="true"
 196             @show-game="showGame"
 197           )
 198           button#loadMoreBtn(
 199             v-if="hasMore"
 200             @click="loadMoreCorr()"
 201           )
 202             | {{ st.tr["Load more"] }}
 203 </template>
 204
 205 <script>
 206 import { store } from "@/store";
 207 import { checkChallenge } from "@/data/challengeCheck";
 208 import { notify } from "@/utils/notifications";
 209 import { ArrayFun } from "@/utils/array";
 210 import { ajax } from "@/utils/ajax";
 211 import params from "@/parameters";
 212 import { getRandString, shuffle, randInt } from "@/utils/alea";
 213 import { getDiagram } from "@/utils/printDiagram";
 214 import Chat from "@/components/Chat.vue";
 215 import GameList from "@/components/GameList.vue";
 216 import ChallengeList from "@/components/ChallengeList.vue";
 217 import { GameStorage } from "@/utils/gameStorage";
 218 import { processModalClick } from "@/utils/modalClick";
 219 export default {
 220   name: "my-hall",
 221   components: {
 222     Chat,
 223     GameList,
 224     ChallengeList
 225   },
 226   data: function() {
 227     return {
 228       st: store.state,
 229       cdisplay: "live", //or corr
 230       gdisplay: "live",
 231       // timestamp of last showed (oldest) corr game:
 232       cursor: Number.MAX_SAFE_INTEGER,
 233       // hasMore == TRUE: a priori there could be more games to load
 234       hasMore: true,
 235       games: [],
 236       challenges: [],
 237       people: {},
 238       infoMessage: "",
 239       newchallenge: {
 240         fen: "",
 241         vid: parseInt(localStorage.getItem("vid")) || 0,
 242         to: "", //name of challenged player (if any)
 243         cadence: localStorage.getItem("cadence") || "",
 244         randomness: parseInt(localStorage.getItem("challRandomness")) || 2,
 245         // VariantRules object, stored to not interfere with
 246         // diagrams of targetted challenges:
 247         V: null,
 248         vname: "",
 249         diag: "", //visualizing FEN
 250         memorize: false //put settings in localStorage
 251       },
 252       focus: true,
 253       tchallDiag: "",
 254       curChallToAccept: {from: {}},
 255       presetChalls: JSON.parse(localStorage.getItem("presetChalls") || "[]"),
 256       conn: null,
 257       connexionString: "",
 258       socketCloseListener: 0,
 259       // Related to (killing of) self multi-connects:
 260       newConnect: {},
 261       killed: {}
 262     };
 263   },
 264   watch: {
 265     // st.variants changes only once, at loading from [] to [...]
 266     "st.variants": function() {
 267       // Set potential challenges and games variant names:
 268       this.challenges.concat(this.games).forEach(o => {
 269         if (!o.vname) o.vname = this.getVname(o.vid);
 270       });
 271       if (!this.newchallenge.V && this.newchallenge.vid > 0)
 272         this.loadNewchallVariant();
 273     },
 274     $route: function(to, from) {
 275       if (to.path != "/") this.cleanBeforeDestroy();
 276     }
 277   },
 278   created: function() {
 279     document.addEventListener('visibilitychange', this.visibilityChange);
 280     window.addEventListener('focus', this.onFocus);
 281     window.addEventListener('blur', this.onBlur);
 282     window.addEventListener("beforeunload", this.cleanBeforeDestroy);
 283     if (this.st.variants.length > 0 && this.newchallenge.vid > 0)
 284       this.loadNewchallVariant();
 285     const my = this.st.user;
 286     const tmpId = getRandString();
 287     this.$set(
 288       this.people,
 289       my.sid,
 290       {
 291         id: my.id,
 292         name: my.name,
 293         tmpIds: {
 294           tmpId: { page: "/", focus: true }
 295         }
 296       }
 297     );
 298     const connectAndPoll = () => {
 299       this.send("connect");
 300       this.send("pollclientsandgamers");
 301     };
 302     // Initialize connection
 303     this.connexionString =
 304       params.socketUrl +
 305       "/?sid=" + this.st.user.sid +
 306       "&id=" + this.st.user.id +
 307       "&tmpId=" + tmpId +
 308       "&page=" +
 309       // Hall: path is "/" (TODO: could be hard-coded as well)
 310       encodeURIComponent(this.$route.path);
 311     this.conn = new WebSocket(this.connexionString);
 312     this.conn.onopen = connectAndPoll;
 313     this.conn.addEventListener("message", this.socketMessageListener);
 314     this.socketCloseListener = setInterval(
 315       () => {
 316         if (this.conn.readyState == 3) {
 317           this.conn.removeEventListener("message", this.socketMessageListener);
 318           this.conn = new WebSocket(this.connexionString);
 319           this.conn.addEventListener("message", this.socketMessageListener);
 320         }
 321       },
 322       1000
 323     );
 324   },
 325   mounted: function() {
 326     ["peopleWrap", "infoDiv", "newgameDiv"].forEach(eltName => {
 327       document.getElementById(eltName)
 328         .addEventListener("click", processModalClick);
 329     });
 330     document.querySelectorAll("#predefinedCadences > button").forEach(b => {
 331       b.addEventListener("click", () => {
 332         this.newchallenge.cadence = b.innerHTML;
 333       });
 334     });
 335     const dispCorr = this.$route.query["disp"];
 336     const showCtype =
 337       dispCorr || localStorage.getItem("type-challenges") || "live";
 338     const showGtype =
 339       dispCorr || localStorage.getItem("type-games") || "live";
 340     this.setDisplay('c', showCtype);
 341     this.setDisplay('g', showGtype);
 342     // Ask server for current corr games (all but mines)
 343     this.loadMoreCorr();
 344     // Also ask for corr challenges (open + sent by/to me)
 345     // List them all, because they are not supposed to be that many (TODO?)
 346     ajax(
 347       "/challenges",
 348       "GET",
 349       {
 350         data: { uid: this.st.user.id },
 351         success: (response) => {
 352           if (
 353             response.challenges.length > 0 &&
 354             this.challenges.length == 0 &&
 355             this.cdisplay == "live"
 356           ) {
 357             document
 358               .getElementById("btnCcorr")
 359               .classList.add("somethingnew");
 360           }
 361           // Gather all senders names, and then retrieve full identity:
 362           // (TODO [perf]: some might be online...)
 363           let names = {};
 364           response.challenges.forEach(c => {
 365             if (c.uid != this.st.user.id) names[c.uid] = "";
 366             else if (!!c.target && c.target != this.st.user.id)
 367               names[c.target] = "";
 368           });
 369           const addChallenges = () => {
 370             names[this.st.user.id] = this.st.user.name; //in case of
 371             this.challenges = this.challenges.concat(
 372               response.challenges.map(c => {
 373                 const from = { name: names[c.uid], id: c.uid }; //or just name
 374                 const type = this.classifyObject(c);
 375                 const vname = this.getVname(c.vid);
 376                 return Object.assign(
 377                   {},
 378                   {
 379                     type: type,
 380                     vname: vname,
 381                     from: from,
 382                     to: c.target ? names[c.target] : ""
 383                   },
 384                   c
 385                 );
 386               })
 387             );
 388           };
 389           if (Object.keys(names).length > 0) {
 390             ajax(
 391               "/users",
 392               "GET",
 393               {
 394                 data: { ids: Object.keys(names).join(",") },
 395                 success: (response2) => {
 396                   response2.users.forEach(u => {
 397                     names[u.id] = u.name;
 398                   });
 399                   addChallenges();
 400                 }
 401               }
 402             );
 403           } else addChallenges();
 404         }
 405       }
 406     );
 407   },
 408   beforeDestroy: function() {
 409     this.cleanBeforeDestroy();
 410   },
 411   methods: {
 412     cleanBeforeDestroy: function() {
 413       clearInterval(this.socketCloseListener);
 414       document.removeEventListener('visibilitychange', this.visibilityChange);
 415       window.removeEventListener('focus', this.onFocus);
 416       window.removeEventListener('blur', this.onBlur);
 417       window.removeEventListener("beforeunload", this.cleanBeforeDestroy);
 418       this.conn.removeEventListener("message", this.socketMessageListener);
 419       this.send("disconnect");
 420       this.conn = null;
 421     },
 422     getRandomnessClass: function(pc) {
 423       return {
 424         ["random-" + pc.randomness]: true
 425       };
 426     },
 427     openModalPeople: function() {
 428       window.doClick("modalPeople");
 429       document.getElementById("inputChat").focus();
 430     },
 431     anonymousCount: function() {
 432       let count = 0;
 433       Object.values(this.people).forEach(p => {
 434         // Do not cound people who did not send their identity yet:
 435         count += (!p.name && p.id === 0) ? 1 : 0;
 436       });
 437       return count;
 438     },
 439     visibilityChange: function() {
 440       // TODO: Use document.hidden? https://webplatform.news/issues/2019-03-27
 441       this.focus = (document.visibilityState == "visible");
 442       this.send(this.focus ? "getfocus" : "losefocus");
 443     },
 444     onFocus: function() {
 445       this.focus = true;
 446       this.send("getfocus");
 447     },
 448     onBlur: function() {
 449       this.focus = false;
 450       this.send("losefocus");
 451     },
 452     partialResetNewchallenge: function() {
 453       // Reset potential target and custom FEN:
 454       this.newchallenge.to = "";
 455       this.newchallenge.fen = "";
 456       this.newchallenge.diag = "";
 457       this.newchallenge.memorize = false;
 458     },
 459     showNewchallengeForm: function() {
 460       this.partialResetNewchallenge();
 461       window.doClick("modalNewgame");
 462     },
 463     addPresetChall: function(chall) {
 464       // Add only if not already existing:
 465       if (this.presetChalls.some(c =>
 466         c.vid == chall.vid &&
 467         c.cadence == chall.cadence &&
 468         c.randomness == chall.randomness
 469       )) {
 470         return;
 471       }
 472       const L = this.presetChalls.length;
 473       this.presetChalls.push({
 474         index: L,
 475         vid: chall.vid,
 476         vname: chall.vname, //redundant, but easier
 477         cadence: chall.cadence,
 478         randomness: chall.randomness
 479       });
 480       localStorage.setItem("presetChalls", JSON.stringify(this.presetChalls));
 481     },
 482     removePresetChall: function(e, pchall) {
 483       e.stopPropagation();
 484       const pchallIdx =
 485         this.presetChalls.findIndex(pc => pc.index == pchall.index);
 486       this.presetChalls.splice(pchallIdx, 1);
 487       localStorage.setItem("presetChalls", JSON.stringify(this.presetChalls));
 488     },
 489     tchallButtonsMargin: function() {
 490       if (!!this.curChallToAccept.fen) return { "margin-top": "10px" };
 491       return {};
 492     },
 493     changeChallTarget: function() {
 494       if (!this.newchallenge.to) {
 495         // Reset potential FEN + diagram
 496         this.newchallenge.fen = "";
 497         this.newchallenge.diag = "";
 498       }
 499     },
 500     cadenceFocusIfOpened: function() {
 501       if (event.target.checked)
 502         document.getElementById("cadence").focus();
 503     },
 504     send: function(code, obj) {
 505       if (!!this.conn) {
 506         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 507       }
 508     },
 509     getVname: function(vid) {
 510       const variant = this.st.variants.find(v => v.id == vid);
 511       // this.st.variants might be uninitialized (variant == null)
 512       return variant ? variant.name : "";
 513     },
 514     filterChallenges: function(type) {
 515       return this.challenges.filter(c => c.type == type);
 516     },
 517     filterGames: function(type) {
 518       return this.games.filter(g => g.type == type);
 519     },
 520     classifyObject: function(o) {
 521       // o: challenge or game
 522       return o.cadence.indexOf("d") === -1 ? "live" : "corr";
 523     },
 524     setDisplay: function(letter, type, e) {
 525       this[letter + "display"] = type;
 526       localStorage.setItem(
 527         "type-" + (letter == "c" ? "challenges" : "games"),
 528         type
 529       );
 530       let elt = e
 531         ? e.target
 532         : document.getElementById("btn" + letter.toUpperCase() + type);
 533       elt.classList.add("active");
 534       elt.classList.remove("somethingnew"); //in case of
 535       if (!!elt.previousElementSibling)
 536         elt.previousElementSibling.classList.remove("active");
 537       else elt.nextElementSibling.classList.remove("active");
 538     },
 539     isGamer: function(sid) {
 540       return Object.values(this.people[sid].tmpIds)
 541         .some(v => v.focus && v.page.indexOf("/game/") >= 0);
 542     },
 543     isFocusedOnHall: function(sid) {
 544       return (
 545         // This is meant to challenge people, thus the next 2 conditions:
 546         this.st.user.id > 0 &&
 547         sid != this.st.user.sid &&
 548         Object.values(this.people[sid].tmpIds)
 549           .some(v => v.focus && v.page == "/")
 550       );
 551     },
 552     challenge: function(sid) {
 553       this.partialResetNewchallenge();
 554       // Available, in Hall
 555       this.newchallenge.to = this.people[sid].name;
 556       // TODO: also store target sid to not re-search for it
 557       document.getElementById("modalPeople").checked = false;
 558       window.doClick("modalNewgame");
 559     },
 560     watchGame: function(sid) {
 561       // In some game, maybe playing maybe not: show a random one
 562       let gids = [];
 563       Object.values(this.people[sid].tmpIds).forEach(v => {
 564         if (v.focus) {
 565           const matchGid = v.page.match(/[a-zA-Z0-9]+$/);
 566           if (!!matchGid) gids.push(matchGid[0]);
 567         }
 568       });
 569       const gid = gids[Math.floor(Math.random() * gids.length)];
 570       const game = this.games.find(g => g.id == gid);
 571       if (!!game) this.showGame(game);
 572       else this.$router.push("/game/" + gid); //game vs. me
 573     },
 574     showGame: function(g) {
 575       // NOTE: we are an observer, since only games I don't play are shown here
 576       // ==> Moves sent by connected remote player(s) if live game
 577       this.$router.push("/game/" + g.id);
 578     },
 579     resetSocialColor: function() {
 580       // TODO: this is called twice, once on opening an once on closing
 581       document.getElementById("peopleBtn").classList.remove("somethingnew");
 582     },
 583     processChat: function(chat) {
 584       this.send("newchat", { data: chat });
 585     },
 586     getOppsid: function(c) {
 587       let oppsid = c.from.sid; //may not be defined if corr + offline opp
 588       if (!oppsid) {
 589         oppsid = Object.keys(this.people).find(
 590           sid => this.people[sid].id == c.from.id
 591         );
 592       }
 593       return oppsid;
 594     },
 595     // Messaging center:
 596     socketMessageListener: function(msg) {
 597       if (!this.conn) return;
 598       const data = JSON.parse(msg.data);
 599       switch (data.code) {
 600         case "pollclientsandgamers": {
 601           // TODO: shuffling and random filtering on server,
 602           // if the room is really crowded.
 603           Object.keys(data.sockIds).forEach(sid => {
 604             if (sid != this.st.user.sid) {
 605               // Pick a target tmpId (+page) at random:
 606               const pt = Object.values(data.sockIds[sid]);
 607               const randPage = pt[randInt(pt.length)].page;
 608               this.send(
 609                 "askidentity",
 610                 {
 611                   target: sid,
 612                   page: randPage
 613                 }
 614               );
 615             }
 616             if (!this.people[sid])
 617               // Do not set name or id: identity unknown yet
 618               this.people[sid] = { tmpIds: data.sockIds[sid] };
 619             else
 620               Object.assign(this.people[sid].tmpIds, data.sockIds[sid]);
 621             if (Object.values(data.sockIds[sid]).some(v => v.page == "/"))
 622               // Peer is in Hall
 623               this.send("askchallenges", { target: sid });
 624             Object.values(data.sockIds[sid]).forEach(v => {
 625               if (
 626                 v.page.indexOf("/game/") >= 0 &&
 627                 !v.page.match(/\/[0-9]+$/)
 628               ) {
 629                 // Peer is in Game: ask only if live game
 630                 this.send("askgame", { target: sid, page: v.page });
 631               }
 632             });
 633           });
 634           break;
 635         }
 636         case "connect":
 637         case "gconnect": {
 638           const page = data.page || "/";
 639           if (data.code == "connect") {
 640             // Ask challenges only on first connexion:
 641             if (!this.people[data.from])
 642               this.send("askchallenges", { target: data.from[0] });
 643           }
 644           // Ask game only if live:
 645           else if (!page.match(/\/[0-9]+$/))
 646             this.send("askgame", { target: data.from[0], page: page });
 647           if (!this.people[data.from]) {
 648             this.$set(
 649               this.people,
 650               data.from[0],
 651               {
 652                 tmpIds: {
 653                   [data.from[1]]: { page: page, focus: true }
 654                 }
 655               }
 656             );
 657             this.newConnect[data.from] = true; //for self multi-connects tests
 658             this.send("askidentity", { target: data.from[0], page: page });
 659           } else {
 660             this.people[data.from[0]].tmpIds[data.from[1]] =
 661               { page: page, focus: true };
 662             this.$forceUpdate(); //TODO: shouldn't be required
 663           }
 664           break;
 665         }
 666         case "disconnect":
 667         case "gdisconnect": {
 668           // If the user reloads the page twice very quickly
 669           // (experienced with Firefox), the first reload won't have time to
 670           // connect but will trigger a "close" event anyway.
 671           // ==> Next check is required.
 672           if (!this.people[data.from[0]]) return;
 673           delete this.people[data.from[0]].tmpIds[data.from[1]];
 674           if (Object.keys(this.people[data.from[0]].tmpIds).length == 0)
 675             this.$delete(this.people, data.from[0]);
 676           else this.$forceUpdate(); //TODO: shouldn't be required
 677           if (data.code == "disconnect") {
 678             // Remove the live challenges sent by this player:
 679             ArrayFun.remove(
 680               this.challenges,
 681               c => c.type == "live" && c.from.sid == data.from[0],
 682               "all"
 683             );
 684           } else {
 685             // Remove the matching live game if now unreachable
 686             const gid = data.page.match(/[a-zA-Z0-9]+$/)[0];
 687             // Corr games are always reachable:
 688             if (!gid.match(/^[0-9]+$/)) {
 689               // Live games are reachable if someone is on the game page
 690               if (Object.values(this.people).every(p =>
 691                 Object.values(p.tmpIds).every(v => v.page != data.page))
 692               ) {
 693                 ArrayFun.remove(this.games, g => g.id == gid);
 694               }
 695             }
 696           }
 697           break;
 698         }
 699         case "getfocus": {
 700           let player = this.people[data.from[0]];
 701           // If user reload a page, focus may arrive earlier than connect
 702           if (!!player) {
 703             player.tmpIds[data.from[1]].focus = true;
 704             this.$forceUpdate(); //TODO: shouldn't be required
 705           }
 706           break;
 707         }
 708         case "losefocus": {
 709           let player = this.people[data.from[0]];
 710           if (!!player) {
 711             player.tmpIds[data.from[1]].focus = false;
 712             this.$forceUpdate(); //TODO: shouldn't be required
 713           }
 714           break;
 715         }
 716         case "killed":
 717           // I logged in elsewhere:
 718           this.conn.removeEventListener("message", this.socketMessageListener);
 719           this.conn.removeEventListener("close", this.socketCloseListener);
 720           this.conn = null;
 721           alert(this.st.tr["New connexion detected: tab now offline"]);
 722           break;
 723         case "askidentity": {
 724           // Request for identification
 725           const me = {
 726             // Decompose to avoid revealing email
 727             name: this.st.user.name,
 728             sid: this.st.user.sid,
 729             id: this.st.user.id
 730           };
 731           this.send("identity", { data: me, target: data.from });
 732           break;
 733         }
 734         case "identity": {
 735           const user = data.data;
 736           let player = this.people[user.sid];
 737           // player.tmpIds is already set
 738           player.id = user.id;
 739           player.name = user.name;
 740           // TODO: this.$set(people, ...) fails. So forceUpdate.
 741           //       But this shouldn't be like that!
 742           this.$forceUpdate();
 743           // If I multi-connect, kill current connexion if no mark (I'm older)
 744           if (this.newConnect[user.sid]) {
 745             if (
 746               user.id > 0 &&
 747               user.id == this.st.user.id &&
 748               user.sid != this.st.user.sid &&
 749               !this.killed[this.st.user.sid]
 750             ) {
 751                 this.send("killme", { sid: this.st.user.sid });
 752                 this.killed[this.st.user.sid] = true;
 753             }
 754             delete this.newConnect[user.sid];
 755           }
 756           break;
 757         }
 758         case "askchallenges": {
 759           // Send my current live challenges (if any)
 760           const myChallenges = this.challenges
 761             .filter(c =>
 762               c.from.sid == this.st.user.sid && c.type == "live"
 763             )
 764             .map(c => {
 765               // NOTE: in principle, should only send targeted challenge to the
 766               // target. But we may not know yet the identity of the target
 767               // (just name), so can't decide if data.from is the target.
 768               return {
 769                 id: c.id,
 770                 from: this.st.user.sid,
 771                 to: c.to,
 772                 randomness: c.randomness,
 773                 fen: c.fen,
 774                 vid: c.vid,
 775                 cadence: c.cadence,
 776                 added: c.added
 777               };
 778             });
 779           if (myChallenges.length > 0)
 780             this.send("challenges", { data: myChallenges, target: data.from });
 781           break;
 782         }
 783         case "challenges": //after "askchallenges"
 784           data.data.forEach(this.addChallenge);
 785           break;
 786         case "newchallenge":
 787           this.addChallenge(data.data);
 788           break;
 789         case "refusechallenge": {
 790           const cid = data.data;
 791           ArrayFun.remove(this.challenges, c => c.id == cid);
 792           alert(this.st.tr["Challenge declined"]);
 793           break;
 794         }
 795         case "deletechallenge_s": {
 796           // NOTE: the challenge(s) may be already removed
 797           const cref = data.data;
 798           if (!!cref.cid)
 799             ArrayFun.remove(this.challenges, c => c.id == cref.cid);
 800           else if (!!cref.sids) {
 801             cref.sids.forEach(s => {
 802               ArrayFun.remove(
 803                 this.challenges,
 804                 c => c.type == "live" && c.from.sid == s,
 805                 "all"
 806               );
 807             });
 808           }
 809           break;
 810         }
 811         case "game": // Individual request
 812         case "newgame": {
 813           const game = data.data;
 814           // Ignore games where I play (will go in MyGames page),
 815           // and also games that I already received.
 816           if (
 817             game.players.every(p =>
 818               p.sid != this.st.user.sid && p.id != this.st.user.id) &&
 819             this.games.findIndex(g => g.id == game.id) == -1
 820           ) {
 821             let newGame = game;
 822             newGame.type = this.classifyObject(game);
 823             newGame.vname = this.getVname(game.vid);
 824             if (!game.score)
 825               // New game from Hall
 826               newGame.score = "*";
 827             this.games.push(newGame);
 828             if (
 829               (newGame.type == "live" && this.gdisplay == "corr") ||
 830               (newGame.type == "corr" && this.gdisplay == "live")
 831             ) {
 832               document
 833                 .getElementById("btnG" + newGame.type)
 834                 .classList.add("somethingnew");
 835             }
 836           }
 837           break;
 838         }
 839         case "result": {
 840           let g = this.games.find(g => g.id == data.gid);
 841           if (!!g) g.score = data.score;
 842           break;
 843         }
 844         case "startgame": {
 845           // New game just started, I'm involved
 846           const gameInfo = data.data;
 847           if (this.classifyObject(gameInfo) == "live")
 848             this.startNewGame(gameInfo);
 849           else {
 850             this.infoMessage =
 851               this.st.tr["New correspondance game:"] + " " +
 852               "<a href='#/game/" + gameInfo.id + "'>" +
 853               "#/game/" + gameInfo.id + "</a>";
 854             document.getElementById("modalInfo").checked = true;
 855           }
 856           break;
 857         }
 858         case "newchat":
 859           this.$refs["chatcomp"].newChat(data.data);
 860           if (!document.getElementById("modalPeople").checked)
 861             document.getElementById("peopleBtn").classList.add("somethingnew");
 862           break;
 863       }
 864     },
 865     loadMoreCorr: function() {
 866       ajax(
 867         "/observedgames",
 868         "GET",
 869         {
 870           data: {
 871             uid: this.st.user.id,
 872             cursor: this.cursor
 873           },
 874           success: (res) => {
 875             const L = res.games.length;
 876             if (L > 0) {
 877               if (
 878                 this.cursor == Number.MAX_SAFE_INTEGER &&
 879                 this.games.length == 0 &&
 880                 this.gdisplay == "live"
 881               ) {
 882                 // First loading: show indicators
 883                 document
 884                   .getElementById("btnGcorr")
 885                   .classList.add("somethingnew");
 886               }
 887               this.cursor = res.games[L - 1].created;
 888               let moreGames = res.games.map(g => {
 889                 const vname = this.getVname(g.vid);
 890                 return Object.assign(
 891                   {},
 892                   g,
 893                   {
 894                     type: "corr",
 895                     vname: vname
 896                   }
 897                 );
 898               });
 899               this.games = this.games.concat(moreGames);
 900             } else this.hasMore = false;
 901           }
 902         }
 903       );
 904     },
 905     // Challenge lifecycle:
 906     addChallenge: function(chall) {
 907       // NOTE about next condition: see "askchallenges" case.
 908       if (
 909         !chall.to ||
 910         (this.people[chall.from].id > 0 &&
 911           (chall.from == this.st.user.sid || chall.to == this.st.user.name))
 912       ) {
 913         let newChall = Object.assign({}, chall);
 914         newChall.type = this.classifyObject(chall);
 915         newChall.randomness = chall.randomness;
 916         newChall.added = Date.now();
 917         let fromValues = Object.assign({}, this.people[chall.from]);
 918         delete fromValues["pages"]; //irrelevant in this context
 919         newChall.from = Object.assign({ sid: chall.from }, fromValues);
 920         newChall.vname = this.getVname(newChall.vid);
 921         this.challenges.push(newChall);
 922         if (
 923           (newChall.type == "live" && this.cdisplay == "corr") ||
 924           (newChall.type == "corr" && this.cdisplay == "live")
 925         ) {
 926           document
 927             .getElementById("btnC" + newChall.type)
 928             .classList.add("somethingnew");
 929         }
 930       }
 931     },
 932     loadNewchallVariant: async function(cb) {
 933       const vname = this.getVname(this.newchallenge.vid);
 934       await import("@/variants/" + vname + ".js")
 935       .then((vModule) => {
 936         window.V = vModule[vname + "Rules"];
 937         this.newchallenge.V = window.V;
 938         this.newchallenge.vname = vname;
 939         if (!!cb) cb();
 940       });
 941     },
 942     trySetNewchallDiag: function() {
 943       if (!this.newchallenge.fen) {
 944         this.newchallenge.diag = "";
 945         return;
 946       }
 947       // If vid > 0 then the variant is loaded (function above):
 948       window.V = this.newchallenge.V;
 949       if (
 950         this.newchallenge.vid > 0 &&
 951         !!this.newchallenge.fen &&
 952         V.IsGoodFen(this.newchallenge.fen)
 953       ) {
 954         const parsedFen = V.ParseFen(this.newchallenge.fen);
 955         this.newchallenge.diag = getDiagram({
 956           position: parsedFen.position,
 957           orientation: parsedFen.turn
 958         });
 959       } else this.newchallenge.diag = "";
 960     },
 961     newChallFromPreset(pchall) {
 962       this.partialResetNewchallenge();
 963       this.newchallenge.vid = pchall.vid;
 964       this.newchallenge.cadence = pchall.cadence;
 965       this.newchallenge.randomness = pchall.randomness;
 966       this.loadNewchallVariant(this.issueNewChallenge);
 967     },
 968     issueNewChallenge: async function() {
 969       if (!!(this.newchallenge.cadence.match(/^[0-9]+$/)))
 970         this.newchallenge.cadence += "+0"; //assume minutes, no increment
 971       const ctype = this.classifyObject(this.newchallenge);
 972       // TODO: cadence still unchecked so ctype could be wrong...
 973       let error = "";
 974       if (!this.newchallenge.vid)
 975         error = this.st.tr["Please select a variant"];
 976       else if (ctype == "corr" && this.st.user.id <= 0)
 977         error = this.st.tr["Please log in to play correspondance games"];
 978       else if (!!this.newchallenge.to) {
 979         if (this.newchallenge.to == this.st.user.name)
 980           error = this.st.tr["Self-challenge is forbidden"];
 981         else if (
 982           ctype == "live" &&
 983           Object.values(this.people).every(p => p.name != this.newchallenge.to)
 984         ) {
 985           error = this.newchallenge.to + " " + this.st.tr["is not online"];
 986         }
 987       }
 988       if (error) {
 989         alert(error);
 990         return;
 991       }
 992       window.V = this.newchallenge.V;
 993       error = checkChallenge(this.newchallenge);
 994       if (error) {
 995         alert(error);
 996         return;
 997       }
 998       // NOTE: "from" information is not required here
 999       let chall = Object.assign({}, this.newchallenge);
1000       // Add only if not already issued (not counting target or FEN):
1001       if (this.challenges.some(c =>
1002         (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id) &&
1003         c.vid == chall.vid &&
1004         c.cadence == chall.cadence &&
1005         c.randomness == chall.randomness
1006       )) {
1007         alert(this.st.tr["Challenge already exists"]);
1008         return;
1009       }
1010       if (this.newchallenge.memorize) this.addPresetChall(this.newchallenge);
1011       delete chall["V"];
1012       delete chall["diag"];
1013       const finishAddChallenge = cid => {
1014         chall.id = cid || "c" + getRandString();
1015         const MAX_ALLOWED_CHALLS = 3;
1016         // Remove oldest challenge if 3 found: only 3 at a time of a given type
1017         let countMyChalls = 0;
1018         let challToDelIdx = 0;
1019         let oldestAdded = Number.MAX_SAFE_INTEGER;
1020         for (let i=0; i<this.challenges.length; i++) {
1021           const c = this.challenges[i];
1022           if (
1023             c.type == ctype &&
1024             (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id)
1025           ) {
1026             countMyChalls++;
1027             if (c.added < oldestAdded) {
1028               challToDelIdx = i;
1029               oldestAdded = c.added;
1030             }
1031           }
1032         }
1033         if (countMyChalls >= MAX_ALLOWED_CHALLS) {
1034           this.send(
1035             "deletechallenge_s",
1036             { data: { cid: this.challenges[challToDelIdx].id } }
1037           );
1038           if (ctype == "corr") {
1039             ajax(
1040               "/challenges",
1041               "DELETE",
1042               { data: { id: this.challenges[challToDelIdx].id } }
1043             );
1044           }
1045           this.challenges.splice(challToDelIdx, 1);
1046         }
1047         this.send("newchallenge", {
1048           data: Object.assign({ from: this.st.user.sid }, chall)
1049         });
1050         // Add new challenge:
1051         chall.from = {
1052           sid: this.st.user.sid,
1053           id: this.st.user.id,
1054           name: this.st.user.name
1055         };
1056         chall.added = Date.now();
1057         // NOTE: vname and type are redundant (deduced from cadence + vid)
1058         chall.type = ctype;
1059         chall.vname = this.newchallenge.vname;
1060         this.challenges.push(chall);
1061         // Remember cadence  + vid for quicker further challenges:
1062         localStorage.setItem("cadence", chall.cadence);
1063         localStorage.setItem("vid", chall.vid);
1064         localStorage.setItem("challRandomness", chall.randomness);
1065         document.getElementById("modalNewgame").checked = false;
1066         // Show the challenge if not on current display
1067         if (
1068           (ctype == "live" && this.cdisplay == "corr") ||
1069           (ctype == "corr" && this.cdisplay == "live")
1070         ) {
1071           this.setDisplay('c', ctype);
1072         }
1073       };
1074       if (ctype == "live") {
1075         // Live challenges have a random ID
1076         finishAddChallenge(null);
1077       } else {
1078         // Correspondance game: send challenge to server
1079         ajax(
1080           "/challenges",
1081           "POST",
1082           {
1083             data: { chall: chall },
1084             success: (response) => {
1085               finishAddChallenge(response.id);
1086             }
1087           }
1088         );
1089       }
1090     },
1091     // Callback function after a diagram was showed to accept
1092     // or refuse targetted challenge:
1093     decisionChallenge: function(accepted) {
1094       this.curChallToAccept.accepted = accepted;
1095       this.finishProcessingChallenge(this.curChallToAccept);
1096       document.getElementById("modalAccept").checked = false;
1097     },
1098     finishProcessingChallenge: function(c) {
1099       if (c.accepted) {
1100         c.seat = {
1101           sid: this.st.user.sid,
1102           id: this.st.user.id,
1103           name: this.st.user.name
1104         };
1105         this.launchGame(c);
1106         if (c.type == "live") {
1107           // Remove all live challenges of both players
1108           this.send(
1109             "deletechallenge_s",
1110             { data: { sids: [c.from.sid, c.seat.sid] } }
1111           );
1112         }
1113         else
1114           // Corr challenge: just remove the challenge
1115           this.send("deletechallenge_s", { data: { cid: c.id } });
1116       } else {
1117         const oppsid = this.getOppsid(c);
1118         if (!!oppsid)
1119           this.send("refusechallenge", { data: c.id, target: oppsid });
1120         if (c.type == "corr") {
1121           ajax(
1122             "/challenges",
1123             "DELETE",
1124             { data: { id: c.id } }
1125           );
1126         }
1127         this.send("deletechallenge_s", { data: { cid: c.id } });
1128       }
1129     },
1130     // TODO: if several players click same challenge at the same time: problem
1131     clickChallenge: async function(c) {
1132       const myChallenge =
1133         c.from.sid == this.st.user.sid || //live
1134         (this.st.user.id > 0 && c.from.id == this.st.user.id); //corr
1135       if (!myChallenge) {
1136         if (c.type == "corr" && this.st.user.id <= 0) {
1137           alert(this.st.tr["Please log in to accept corr challenges"]);
1138           return;
1139         }
1140         c.accepted = true;
1141         await import("@/variants/" + c.vname + ".js")
1142         .then((vModule) => {
1143           window.V = vModule[c.vname + "Rules"];
1144           if (!!c.to) {
1145             // c.to == this.st.user.name (connected)
1146             if (!!c.fen) {
1147               const parsedFen = V.ParseFen(c.fen);
1148               c.mycolor = V.GetOppCol(parsedFen.turn);
1149               this.tchallDiag = getDiagram({
1150                 position: parsedFen.position,
1151                 orientation: c.mycolor
1152               });
1153             }
1154             this.curChallToAccept = c;
1155             document.getElementById("modalAccept").checked = true;
1156           }
1157           else this.finishProcessingChallenge(c);
1158         });
1159       }
1160       else {
1161         // My challenge
1162         if (c.type == "corr") {
1163           ajax(
1164             "/challenges",
1165             "DELETE",
1166             { data: { id: c.id } }
1167           );
1168         }
1169         this.send("deletechallenge_s", { data: { cid: c.id } });
1170       }
1171       // In all cases, the challenge is consumed:
1172       ArrayFun.remove(this.challenges, ch => ch.id == c.id);
1173     },
1174     // NOTE: when launching game, the challenge is already being deleted
1175     launchGame: function(c) {
1176       // White player index 0, black player index 1:
1177       const players =
1178         !!c.mycolor
1179           ? (c.mycolor == "w" ? [c.seat, c.from] : [c.from, c.seat])
1180           : shuffle([c.from, c.seat]);
1181       // These game informations will be shared
1182       let gameInfo = {
1183         id: getRandString(),
1184         fen: c.fen || V.GenRandInitFen(c.randomness),
1185         randomness: c.randomness, //for rematch
1186         players: players,
1187         vid: c.vid,
1188         cadence: c.cadence
1189       };
1190       const notifyNewgame = () => {
1191         const oppsid = this.getOppsid(c);
1192         if (!!oppsid)
1193           // Opponent is online
1194           this.send("startgame", { data: gameInfo, target: oppsid });
1195         // If new corr game, notify Hall (except opponent and me)
1196         if (c.type == "corr") {
1197           this.send(
1198             "newgame",
1199             {
1200               data: gameInfo,
1201               excluded: [this.st.user.sid, oppsid]
1202             }
1203           );
1204         }
1205         // Notify MyGames page:
1206         this.send(
1207           "notifynewgame",
1208           {
1209             data: gameInfo,
1210             targets: gameInfo.players
1211           }
1212         );
1213         // NOTE: no need to send the game to the room, since I'll connect
1214         // on game just after, the main Hall will be notified.
1215       };
1216       if (c.type == "live") {
1217         notifyNewgame();
1218         this.startNewGame(gameInfo);
1219       } else {
1220         // corr: game only on server
1221         ajax(
1222           "/games",
1223           "POST",
1224           {
1225             // cid is useful to delete the challenge:
1226             data: {
1227               gameInfo: gameInfo,
1228               cid: c.id
1229             },
1230             success: (response) => {
1231               gameInfo.id = response.id;
1232               notifyNewgame();
1233               this.$router.push("/game/" + response.id);
1234             }
1235           }
1236         );
1237       }
1238     },
1239     // NOTE: for live games only (corr games start on the server)
1240     startNewGame: function(gameInfo) {
1241       const game = Object.assign(
1242         {},
1243         gameInfo,
1244         {
1245           // (other) Game infos: constant
1246           fenStart: gameInfo.fen,
1247           vname: this.getVname(gameInfo.vid),
1248           created: Date.now(),
1249           // Game state (including FEN): will be updated
1250           moves: [],
1251           clocks: [-1, -1], //-1 = unstarted
1252           chats: [],
1253           score: "*"
1254         }
1255       );
1256       setTimeout(
1257         () => {
1258           const myIdx = (game.players[0].sid == this.st.user.sid ? 0 : 1);
1259           GameStorage.add(game, (err) => {
1260             // If an error occurred, game is not added: a tab already
1261             // added the game. Maybe a focused one, maybe not.
1262             // We know for sure that it emitted the gong start sound.
1263             // ==> Do not play it again.
1264             if (!err && this.st.settings.sound)
1265               new Audio("/sounds/newgame.flac").play().catch(() => {});
1266             if (!this.focus) {
1267               notify(
1268                 "New live game",
1269                 { body: "vs " + game.players[1-myIdx].name || "@nonymous" }
1270               );
1271             }
1272             this.$router.push("/game/" + gameInfo.id);
1273           });
1274         },
1275         this.focus ? 500 + 1000 * Math.random() : 0
1276       );
1277     }
1278   }
1279 };
1280 </script>
1281
1282 <style lang="sass" scoped>
1283 .active
1284   color: #42a983
1285
1286 #infoDiv > .card
1287   padding: 15px 0
1288   max-width: 430px
1289
1290 #newgameDiv > .card, #acceptDiv > .card
1291   max-width: 767px
1292   max-height: 100%
1293
1294 div#peopleWrap > .card
1295   max-height: 100%
1296
1297 @media screen and (min-width: 1281px)
1298   div#peopleWrap > .card
1299     max-width: 66.67%
1300
1301 @media screen and (max-width: 1280px)
1302   div#peopleWrap > .card
1303     max-width: 83.33%
1304
1305 @media screen and (max-width: 767px)
1306   div#peopleWrap > .card
1307     max-width: 100%
1308
1309 #players
1310   width: 50%
1311   position: relative
1312   float: left
1313
1314 #chat
1315   width: 50%
1316   float: left
1317   position: relative
1318
1319 @media screen and (max-width: 767px)
1320   #players, #chats
1321     width: 100%
1322
1323 #chat > .card
1324   max-width: 100%
1325   margin: 0;
1326   border: none;
1327
1328 #players > p
1329   margin-left: 5px
1330
1331 .anonymous
1332   font-style: italic
1333
1334 button.player-action
1335   margin-left: 32px
1336
1337 .somethingnew
1338   background-color: #c5fefe !important
1339
1340 .tabbtn
1341   background-color: #f9faee
1342
1343 button.acceptBtn
1344   background-color: lightgreen
1345 button.refuseBtn
1346   background-color: red
1347
1348 #buttonsTchall
1349   // margin-top set dynamically (depends if diagram showed or not)
1350   & > button > span
1351     width: 100%
1352     text-align: center
1353
1354 .variantName
1355   font-weight: bold
1356
1357 .diagram
1358   margin: 0 auto
1359   max-width: 400px
1360   // width: 100% required for Firefox
1361   width: 100%
1362
1363 #inputFen
1364   width: 100%
1365
1366 #div2, #div3
1367   margin-top: 15px
1368 @media screen and (max-width: 767px)
1369   #div2, #div3
1370     margin-top: 0
1371
1372 tr > td
1373   &.random-0
1374     background-color: #FF5733
1375   &.random-1
1376     background-color: #2B63B4
1377   &.random-2
1378     background-color: #33B42B
1379
1380 @media screen and (max-width: 767px)
1381   h4
1382     margin: 5px 0
1383
1384 button#loadMoreBtn
1385   display: block
1386   margin: 0 auto
1387
1388 td.remove-preset
1389   background-color: lightgrey
1390   text-align: center
1391   & > img
1392     height: 1em
1393 </style>