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