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