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