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