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