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