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         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="loadMore()"
 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       newChat: "",
 251       conn: null,
 252       connexionString: "",
 253       // Related to (killing of) self multi-connects:
 254       newConnect: {},
 255       killed: {}
 256     };
 257   },
 258   watch: {
 259     // st.variants changes only once, at loading from [] to [...]
 260     "st.variants": function() {
 261       // Set potential challenges and games variant names:
 262       this.challenges.concat(this.games).forEach(o => {
 263         if (!o.vname) o.vname = this.getVname(o.vid);
 264       });
 265       if (!this.newchallenge.V && this.newchallenge.vid > 0)
 266         this.loadNewchallVariant();
 267     }
 268   },
 269   computed: {
 270     anonymousCount: function() {
 271       let count = 0;
 272       Object.values(this.people).forEach(p => {
 273         // Do not cound people who did not send their identity yet:
 274         count += (!p.name && p.id === 0) ? 1 : 0;
 275       });
 276       return count;
 277     }
 278   },
 279   created: function() {
 280     if (this.st.variants.length > 0 && this.newchallenge.vid > 0)
 281       this.loadNewchallVariant();
 282     const my = this.st.user;
 283     this.$set(
 284       this.people,
 285       my.sid,
 286       {
 287         id: my.id,
 288         name: my.name,
 289         pages: [{ path: "/", focus: true }]
 290       }
 291     );
 292     const connectAndPoll = () => {
 293       this.send("connect");
 294       this.send("pollclientsandgamers");
 295     };
 296     // Initialize connection
 297     this.connexionString =
 298       params.socketUrl +
 299       "/?sid=" +
 300       this.st.user.sid +
 301       "&id=" +
 302       this.st.user.id +
 303       "&tmpId=" +
 304       getRandString() +
 305       "&page=" +
 306       // Hall: path is "/" (could be hard-coded as well)
 307       encodeURIComponent(this.$route.path);
 308     this.conn = new WebSocket(this.connexionString);
 309     this.conn.onopen = connectAndPoll;
 310     this.conn.onmessage = this.socketMessageListener;
 311     this.conn.onclose = this.socketCloseListener;
 312   },
 313   mounted: function() {
 314     document.addEventListener('visibilitychange', this.visibilityChange);
 315     ["peopleWrap", "infoDiv", "newgameDiv"].forEach(eltName => {
 316       document.getElementById(eltName)
 317         .addEventListener("click", processModalClick);
 318     });
 319     document.querySelectorAll("#predefinedCadences > button").forEach(b => {
 320       b.addEventListener("click", () => {
 321         this.newchallenge.cadence = b.innerHTML;
 322       });
 323     });
 324     const dispCorr = this.$route.query["disp"];
 325     const showCtype =
 326       dispCorr || localStorage.getItem("type-challenges") || "live";
 327     const showGtype =
 328       dispCorr || localStorage.getItem("type-games") || "live";
 329     this.setDisplay('c', showCtype);
 330     this.setDisplay('g', showGtype);
 331     // Ask server for current corr games (all but mines)
 332     ajax(
 333       "/observedgames",
 334       "GET",
 335       {
 336         data: {
 337           uid: this.st.user.id,
 338           cursor: this.cursor
 339         },
 340         success: (response) => {
 341           if (
 342             response.games.length > 0 &&
 343             this.games.length == 0 &&
 344             this.gdisplay == "live"
 345           ) {
 346             document
 347               .getElementById("btnGcorr")
 348               .classList.add("somethingnew");
 349           }
 350           this.games = this.games.concat(
 351             response.games.map(g => {
 352               const vname = this.getVname(g.vid);
 353               return Object.assign(
 354                 {},
 355                 g,
 356                 {
 357                   type: "corr",
 358                   vname: vname
 359                 }
 360               );
 361             })
 362           );
 363         }
 364       }
 365     );
 366     // Also ask for corr challenges (open + sent by/to me)
 367     ajax(
 368       "/challenges",
 369       "GET",
 370       {
 371         data: { uid: this.st.user.id },
 372         success: (response) => {
 373           if (
 374             response.challenges.length > 0 &&
 375             this.challenges.length == 0 &&
 376             this.cdisplay == "live"
 377           ) {
 378             document
 379               .getElementById("btnCcorr")
 380               .classList.add("somethingnew");
 381           }
 382           // Gather all senders names, and then retrieve full identity:
 383           // (TODO [perf]: some might be online...)
 384           let names = {};
 385           response.challenges.forEach(c => {
 386             if (c.uid != this.st.user.id) names[c.uid] = "";
 387             else if (!!c.target && c.target != this.st.user.id)
 388               names[c.target] = "";
 389           });
 390           const addChallenges = () => {
 391             names[this.st.user.id] = this.st.user.name; //in case of
 392             this.challenges = this.challenges.concat(
 393               response.challenges.map(c => {
 394                 const from = { name: names[c.uid], id: c.uid }; //or just name
 395                 const type = this.classifyObject(c);
 396                 const vname = this.getVname(c.vid);
 397                 return Object.assign(
 398                   {},
 399                   {
 400                     type: type,
 401                     vname: vname,
 402                     from: from,
 403                     to: c.target ? names[c.target] : ""
 404                   },
 405                   c
 406                 );
 407               })
 408             );
 409           };
 410           if (Object.keys(names).length > 0) {
 411             ajax(
 412               "/users",
 413               "GET",
 414               {
 415                 data: { ids: Object.keys(names).join(",") },
 416                 success: (response2) => {
 417                   response2.users.forEach(u => {
 418                     names[u.id] = u.name;
 419                   });
 420                   addChallenges();
 421                 }
 422               }
 423             );
 424           } else addChallenges();
 425         }
 426       }
 427     );
 428   },
 429   beforeDestroy: function() {
 430     document.removeEventListener('visibilitychange', this.visibilityChange);
 431     this.send("disconnect");
 432   },
 433   methods: {
 434     getRandomnessClass: function(pc) {
 435       return {
 436         ["random-" + pc.randomness]: true
 437       };
 438     },
 439     visibilityChange: function() {
 440       // TODO: Use document.hidden? https://webplatform.news/issues/2019-03-27
 441       this.send(
 442         document.visibilityState == "visible"
 443           ? "getfocus"
 444           : "losefocus"
 445       );
 446     },
 447     partialResetNewchallenge: function() {
 448       // Reset potential target and custom FEN:
 449       this.newchallenge.to = "";
 450       this.newchallenge.fen = "";
 451       this.newchallenge.diag = "";
 452       this.newchallenge.memorize = false;
 453     },
 454     showNewchallengeForm: function() {
 455       this.partialResetNewchallenge();
 456       window.doClick("modalNewgame");
 457     },
 458     addPresetChall: function(chall) {
 459       // Add only if not already existing:
 460       if (this.presetChalls.some(c =>
 461         c.vid == chall.vid &&
 462         c.cadence == chall.cadence &&
 463         c.randomness == chall.randomness
 464       )) {
 465         return;
 466       }
 467       const L = this.presetChalls.length;
 468       this.presetChalls.push({
 469         index: L,
 470         vid: chall.vid,
 471         vname: chall.vname, //redundant, but easier
 472         cadence: chall.cadence,
 473         randomness: chall.randomness
 474       });
 475       localStorage.setItem("presetChalls", JSON.stringify(this.presetChalls));
 476     },
 477     removePresetChall: function(e, pchall) {
 478       e.stopPropagation();
 479       const pchallIdx = this.presetChalls.findIndex(pc => pc.index == pchall.index);
 480       this.presetChalls.splice(pchallIdx, 1);
 481       localStorage.setItem("presetChalls", JSON.stringify(this.presetChalls));
 482     },
 483     tchallButtonsMargin: function() {
 484       if (!!this.curChallToAccept.fen) return { "margin-top": "10px" };
 485       return {};
 486     },
 487     cadenceFocusIfOpened: function() {
 488       if (event.target.checked)
 489         document.getElementById("cadence").focus();
 490     },
 491     send: function(code, obj) {
 492       if (!!this.conn) {
 493         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 494       }
 495     },
 496     getVname: function(vid) {
 497       const variant = this.st.variants.find(v => v.id == vid);
 498       // this.st.variants might be uninitialized (variant == null)
 499       return variant ? variant.name : "";
 500     },
 501     filterChallenges: function(type) {
 502       return this.challenges.filter(c => c.type == type);
 503     },
 504     filterGames: function(type) {
 505       return this.games.filter(g => g.type == type);
 506     },
 507     classifyObject: function(o) {
 508       // o: challenge or game
 509       return o.cadence.indexOf("d") === -1 ? "live" : "corr";
 510     },
 511     setDisplay: function(letter, type, e) {
 512       this[letter + "display"] = type;
 513       localStorage.setItem(
 514         "type-" + (letter == "c" ? "challenges" : "games"),
 515         type
 516       );
 517       let elt = e
 518         ? e.target
 519         : document.getElementById("btn" + letter.toUpperCase() + type);
 520       elt.classList.add("active");
 521       elt.classList.remove("somethingnew"); //in case of
 522       if (!!elt.previousElementSibling)
 523         elt.previousElementSibling.classList.remove("active");
 524       else elt.nextElementSibling.classList.remove("active");
 525     },
 526     isGamer: function(sid) {
 527       return this.people[sid].pages
 528         .some(p => p.focus && p.path.indexOf("/game/") >= 0);
 529     },
 530     isFocusedOnHall: function(sid) {
 531       return (
 532         // This is meant to challenge people, thus the next 2 conditions:
 533         this.st.user.id > 0 &&
 534         sid != this.st.user.sid &&
 535         this.people[sid].pages.some(p => p.path == "/" && p.focus)
 536       );
 537     },
 538     challenge: function(sid) {
 539       this.partialResetNewchallenge();
 540       // Available, in Hall
 541       this.newchallenge.to = this.people[sid].name;
 542       // TODO: also store target sid to not re-search for it
 543       document.getElementById("modalPeople").checked = false;
 544       window.doClick("modalNewgame");
 545     },
 546     watchGame: function(sid) {
 547       // In some game, maybe playing maybe not: show a random one
 548       let gids = [];
 549       this.people[sid].pages.forEach(p => {
 550         if (p.focus) {
 551           const matchGid = p.path.match(/[a-zA-Z0-9]+$/);
 552           if (!!matchGid) gids.push(matchGid[0]);
 553         }
 554       });
 555       const gid = gids[Math.floor(Math.random() * gids.length)];
 556       const game = this.games.find(g => g.id == gid);
 557       if (!!game) this.showGame(game);
 558       else this.$router.push("/game/" + gid); //game vs. me
 559     },
 560     showGame: function(g) {
 561       // NOTE: we are an observer, since only games I don't play are shown here
 562       // ==> Moves sent by connected remote player(s) if live game
 563       let url = "/game/" + g.id;
 564       if (g.type == "live")
 565         url += "?rid=" + g.rids[Math.floor(Math.random() * g.rids.length)];
 566       this.$router.push(url);
 567     },
 568     resetSocialColor: function() {
 569       // TODO: this is called twice, once on opening an once on closing
 570       document.getElementById("peopleBtn").classList.remove("somethingnew");
 571     },
 572     processChat: function(chat) {
 573       this.send("newchat", { data: chat });
 574     },
 575     getOppsid: function(c) {
 576       let oppsid = c.from.sid; //may not be defined if corr + offline opp
 577       if (!oppsid) {
 578         oppsid = Object.keys(this.people).find(
 579           sid => this.people[sid].id == c.from.id
 580         );
 581       }
 582       return oppsid;
 583     },
 584     // Messaging center:
 585     socketMessageListener: function(msg) {
 586       if (!this.conn) return;
 587       const data = JSON.parse(msg.data);
 588       switch (data.code) {
 589         case "pollclientsandgamers": {
 590           // Since people can be both in Hall and Game,
 591           // need to track "askIdentity" requests:
 592           let identityAsked = {};
 593           data.sockIds.forEach(s => {
 594             const page = s.page || "/";
 595             if (s.sid != this.st.user.sid && !identityAsked[s.sid]) {
 596               this.send("askidentity", { target: s.sid, page: page });
 597               identityAsked[s.sid] = true;
 598             }
 599             if (!this.people[s.sid]) {
 600               // Do not set name or id: identity unknown yet
 601               this.people[s.sid] = { pages: [{path: page, focus: true}] };
 602             }
 603             else if (!(this.people[s.sid].pages.find(p => p.path == page)))
 604               this.people[s.sid].pages.push({ path: page, focus: true });
 605             if (!s.page)
 606               // Peer is in Hall
 607               this.send("askchallenges", { target: s.sid });
 608             // Peer is in Game
 609             else this.send("askgame", { target: s.sid, page: page });
 610           });
 611           break;
 612         }
 613         case "connect":
 614         case "gconnect": {
 615           const page = data.page || "/";
 616           // Only ask game / challenges if first connexion:
 617           if (!this.people[data.from]) {
 618             this.people[data.from] = { pages: [{ path: page, focus: true }] };
 619             if (data.code == "connect")
 620               this.send("askchallenges", { target: data.from });
 621             else this.send("askgame", { target: data.from, page: page });
 622           } else {
 623             // Append page if not already in list
 624             if (!(this.people[data.from].pages.find(p => p.path == page)))
 625               this.people[data.from].pages.push({ path: page, focus: true });
 626           }
 627           if (!this.people[data.from].name && this.people[data.from].id !== 0) {
 628             // Identity not known yet
 629             this.newConnect[data.from] = true; //for self multi-connects tests
 630             this.send("askidentity", { target: data.from, page: page });
 631           }
 632           break;
 633         }
 634         case "disconnect":
 635         case "gdisconnect": {
 636           // If the user reloads the page twice very quickly (experienced with Firefox),
 637           // the first reload won't have time to connect but will trigger a "close" event anyway.
 638           // ==> Next check is required.
 639           if (!this.people[data.from]) return;
 640           // Disconnect means no more tmpIds:
 641           if (data.code == "disconnect") {
 642             // Remove the live challenges sent by this player:
 643             ArrayFun.remove(
 644               this.challenges,
 645               c => c.type == "live" && c.from.sid == data.from,
 646               "all"
 647             );
 648           } else {
 649             // Remove the matching live game if now unreachable
 650             const gid = data.page.match(/[a-zA-Z0-9]+$/)[0];
 651             // Corr games are always reachable:
 652             if (!gid.match(/^[0-9]+$/)) {
 653               const gidx = this.games.findIndex(g => g.id == gid);
 654               // NOTE: gidx should always be >= 0 (TODO?)
 655               if (gidx >= 0) {
 656                 const game = this.games[gidx];
 657                 ArrayFun.remove(game.rids, rid => rid == data.from);
 658                 if (game.rids.length == 0) this.games.splice(gidx, 1);
 659               }
 660             }
 661           }
 662           const page = data.page || "/";
 663           ArrayFun.remove(this.people[data.from].pages, p => p.path == page);
 664           if (this.people[data.from].pages.length == 0)
 665             this.$delete(this.people, data.from);
 666           break;
 667         }
 668         case "getfocus":
 669           // If user reload a page, focus may arrive earlier than connect
 670           if (!!this.people[data.from]) {
 671             this.people[data.from].pages
 672               .find(p => p.path == data.page).focus = true;
 673             this.$forceUpdate(); //TODO: shouldn't be required
 674           }
 675           break;
 676         case "losefocus":
 677           if (!!this.people[data.from]) {
 678             this.people[data.from].pages
 679               .find(p => p.path == data.page).focus = false;
 680             this.$forceUpdate(); //TODO: shouldn't be required
 681           }
 682           break;
 683         case "killed":
 684           // I logged in elsewhere:
 685           this.conn = null;
 686           alert(this.st.tr["New connexion detected: tab now offline"]);
 687           break;
 688         case "askidentity": {
 689           // Request for identification
 690           const me = {
 691             // Decompose to avoid revealing email
 692             name: this.st.user.name,
 693             sid: this.st.user.sid,
 694             id: this.st.user.id
 695           };
 696           this.send("identity", { data: me, target: data.from });
 697           break;
 698         }
 699         case "identity": {
 700           const user = data.data;
 701           let player = this.people[user.sid];
 702           // player.pages is already set
 703           player.id = user.id;
 704           player.name = user.name;
 705           // TODO: this.$set(people, ...) fails. So forceUpdate.
 706           //       But this shouldn't be like that!
 707           this.$forceUpdate();
 708           // If I multi-connect, kill current connexion if no mark (I'm older)
 709           if (this.newConnect[user.sid]) {
 710             if (
 711               user.id > 0 &&
 712               user.id == this.st.user.id &&
 713               user.sid != this.st.user.sid &&
 714               !this.killed[this.st.user.sid]
 715             ) {
 716                 this.send("killme", { sid: this.st.user.sid });
 717                 this.killed[this.st.user.sid] = true;
 718             }
 719             delete this.newConnect[user.sid];
 720           }
 721           break;
 722         }
 723         case "askchallenges": {
 724           // Send my current live challenges (if any)
 725           const myChallenges = this.challenges
 726             .filter(c =>
 727               c.from.sid == this.st.user.sid && c.type == "live"
 728             )
 729             .map(c => {
 730               // NOTE: in principle, should only send targeted challenge to the target.
 731               // But we may not know yet the identity of the target (just name),
 732               // so cannot decide if data.from is the target or not.
 733               return {
 734                 id: c.id,
 735                 from: this.st.user.sid,
 736                 to: c.to,
 737                 randomness: c.randomness,
 738                 fen: c.fen,
 739                 vid: c.vid,
 740                 cadence: c.cadence,
 741                 added: c.added
 742               };
 743             });
 744           if (myChallenges.length > 0)
 745             this.send("challenges", { data: myChallenges, target: data.from });
 746           break;
 747         }
 748         case "challenges": //after "askchallenges"
 749           data.data.forEach(this.addChallenge);
 750           break;
 751         case "newchallenge":
 752           this.addChallenge(data.data);
 753           break;
 754         case "refusechallenge": {
 755           const cid = data.data;
 756           ArrayFun.remove(this.challenges, c => c.id == cid);
 757           alert(this.st.tr["Challenge declined"]);
 758           break;
 759         }
 760         case "deletechallenge_s": {
 761           // NOTE: the challenge(s) may be already removed
 762           const cref = data.data;
 763           if (!!cref.cid) ArrayFun.remove(this.challenges, c => c.id == cref.cid);
 764           else if (!!cref.sids) {
 765             cref.sids.forEach(s => {
 766               ArrayFun.remove(
 767                 this.challenges,
 768                 c => c.type == "live" && c.from.sid == s,
 769                 "all"
 770               );
 771             });
 772           }
 773           break;
 774         }
 775         case "game": {
 776           // Individual request
 777           const game = data.data;
 778           // Ignore games where I play (will go in MyGames page)
 779           if (game.players.every(p =>
 780             p.sid != this.st.user.sid && p.id != this.st.user.id))
 781           {
 782             let locGame = this.games.find(g => g.id == game.id);
 783             if (!locGame) {
 784               let newGame = game;
 785               newGame.type = this.classifyObject(game);
 786               newGame.vname = this.getVname(game.vid);
 787               if (!game.score)
 788                 // New game from Hall
 789                 newGame.score = "*";
 790               newGame.rids = [game.rid];
 791               delete newGame["rid"];
 792               this.games.push(newGame);
 793               if (
 794                 (newGame.type == "live" && this.gdisplay == "corr") ||
 795                 (newGame.type == "corr" && this.gdisplay == "live")
 796               ) {
 797                 document
 798                   .getElementById("btnG" + newGame.type)
 799                   .classList.add("somethingnew");
 800               }
 801             } else {
 802               // Append rid (if not already in list)
 803               if (!locGame.rids.includes(game.rid)) locGame.rids.push(game.rid);
 804             }
 805           }
 806           break;
 807         }
 808         case "result": {
 809           let g = this.games.find(g => g.id == data.gid);
 810           if (!!g) g.score = data.score;
 811           break;
 812         }
 813         case "startgame": {
 814           // New game just started, I'm involved
 815           const gameInfo = data.data;
 816           if (this.classifyObject(gameInfo) == "live")
 817             this.startNewGame(gameInfo);
 818           else {
 819             this.infoMessage =
 820               this.st.tr["New correspondance game:"] +
 821               " <a href='#/game/" +
 822               gameInfo.id +
 823               "'>" +
 824               "#/game/" +
 825               gameInfo.id +
 826               "</a>";
 827             document.getElementById("modalInfo").checked = true;
 828           }
 829           break;
 830         }
 831         case "newchat":
 832           this.newChat = data.data;
 833           if (!document.getElementById("modalPeople").checked)
 834             document.getElementById("peopleBtn").classList.add("somethingnew");
 835           break;
 836       }
 837     },
 838     socketCloseListener: function() {
 839       if (!this.conn) return;
 840       this.conn = new WebSocket(this.connexionString);
 841       this.conn.addEventListener("message", this.socketMessageListener);
 842       this.conn.addEventListener("close", this.socketCloseListener);
 843     },
 844     loadMore: function() {
 845       ajax(
 846         "/observedgames",
 847         "GET",
 848         {
 849           data: {
 850             uid: this.st.user.id,
 851             cursor: this.cursor
 852           },
 853           success: (res) => {
 854             if (res.games.length > 0) {
 855               const L = res.games.length;
 856               this.cursor = res.games[L - 1].created;
 857               let moreGames = res.games.map(g => {
 858                 const vname = this.getVname(g.vid);
 859                 return Object.assign(
 860                   {},
 861                   g,
 862                   {
 863                     type: "corr",
 864                     vname: vname
 865                   }
 866                 );
 867               });
 868               this.games = this.games.concat(moreGames);
 869             } else this.hasMore = false;
 870           }
 871         }
 872       );
 873     },
 874     // Challenge lifecycle:
 875     addChallenge: function(chall) {
 876       // NOTE about next condition: see "askchallenges" case.
 877       if (
 878         !chall.to ||
 879         (this.people[chall.from].id > 0 &&
 880           (chall.from == this.st.user.sid || chall.to == this.st.user.name))
 881       ) {
 882         let newChall = Object.assign({}, chall);
 883         newChall.type = this.classifyObject(chall);
 884         newChall.randomness = chall.randomness;
 885         newChall.added = Date.now();
 886         let fromValues = Object.assign({}, this.people[chall.from]);
 887         delete fromValues["pages"]; //irrelevant in this context
 888         newChall.from = Object.assign({ sid: chall.from }, fromValues);
 889         newChall.vname = this.getVname(newChall.vid);
 890         this.challenges.push(newChall);
 891         if (
 892           (newChall.type == "live" && this.cdisplay == "corr") ||
 893           (newChall.type == "corr" && this.cdisplay == "live")
 894         ) {
 895           document
 896             .getElementById("btnC" + newChall.type)
 897             .classList.add("somethingnew");
 898         }
 899       }
 900     },
 901     loadNewchallVariant: async function(cb) {
 902       const vname = this.getVname(this.newchallenge.vid);
 903       const vModule = await import("@/variants/" + vname + ".js");
 904       this.newchallenge.V = vModule.VariantRules;
 905       this.newchallenge.vname = vname;
 906       if (!!cb) cb();
 907     },
 908     trySetNewchallDiag: function() {
 909       if (!this.newchallenge.fen) {
 910         this.newchallenge.diag = "";
 911         return;
 912       }
 913       // If vid > 0 then the variant is loaded (function above):
 914       window.V = this.newchallenge.V;
 915       if (
 916         this.newchallenge.vid > 0 &&
 917         !!this.newchallenge.fen &&
 918         V.IsGoodFen(this.newchallenge.fen)
 919       ) {
 920         const parsedFen = V.ParseFen(this.newchallenge.fen);
 921         this.newchallenge.diag = getDiagram({
 922           position: parsedFen.position,
 923           orientation: parsedFen.turn
 924         });
 925       }
 926     },
 927     newChallFromPreset(pchall) {
 928       this.partialResetNewchallenge();
 929       this.newchallenge.vid = pchall.vid;
 930       this.newchallenge.cadence = pchall.cadence;
 931       this.newchallenge.randomness = pchall.randomness;
 932       this.loadNewchallVariant(this.issueNewChallenge);
 933     },
 934     issueNewChallenge: async function() {
 935       if (!!(this.newchallenge.cadence.match(/^[0-9]+$/)))
 936         this.newchallenge.cadence += "+0"; //assume minutes, no increment
 937       const ctype = this.classifyObject(this.newchallenge);
 938       // TODO: cadence still unchecked so ctype could be wrong...
 939       let error = "";
 940       if (!this.newchallenge.vid)
 941         error = this.st.tr["Please select a variant"];
 942       else if (ctype == "corr" && this.st.user.id <= 0)
 943         error = this.st.tr["Please log in to play correspondance games"];
 944       else if (!!this.newchallenge.to) {
 945         if (this.newchallenge.to == this.st.user.name)
 946           error = this.st.tr["Self-challenge is forbidden"];
 947         else if (
 948           ctype == "live" &&
 949           Object.values(this.people).every(p => p.name != this.newchallenge.to)
 950         ) {
 951           error = this.newchallenge.to + " " + this.st.tr["is not online"];
 952         }
 953       }
 954       if (error) {
 955         alert(error);
 956         return;
 957       }
 958       window.V = this.newchallenge.V;
 959       error = checkChallenge(this.newchallenge);
 960       if (error) {
 961         alert(error);
 962         return;
 963       }
 964       // NOTE: "from" information is not required here
 965       let chall = Object.assign({}, this.newchallenge);
 966       // Add only if not already issued (not counting target or FEN):
 967       if (this.challenges.some(c =>
 968         (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id) &&
 969         c.vid == chall.vid &&
 970         c.cadence == chall.cadence &&
 971         c.randomness == chall.randomness
 972       )) {
 973         alert(this.st.tr["Challenge already exists"]);
 974         return;
 975       }
 976       if (this.newchallenge.memorize) this.addPresetChall(this.newchallenge);
 977       delete chall["V"];
 978       delete chall["diag"];
 979       const finishAddChallenge = cid => {
 980         chall.id = cid || "c" + getRandString();
 981         const MAX_ALLOWED_CHALLS = 3;
 982         // Remove oldest challenge if 3 found: only 3 at a time of a given type
 983         let countMyChalls = 0;
 984         let challToDelIdx = 0;
 985         let oldestAdded = Number.MAX_SAFE_INTEGER;
 986         for (let i=0; i<this.challenges.length; i++) {
 987           const c = this.challenges[i];
 988           if (
 989             c.type == ctype &&
 990             (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id)
 991           ) {
 992             countMyChalls++;
 993             if (c.added < oldestAdded) {
 994               challToDelIdx = i;
 995               oldestAdded = c.added;
 996             }
 997           }
 998         }
 999         if (countMyChalls >= MAX_ALLOWED_CHALLS) {
1000           this.send(
1001             "deletechallenge_s",
1002             { data: { cid: this.challenges[challToDelIdx].id } }
1003           );
1004           if (ctype == "corr") {
1005             ajax(
1006               "/challenges",
1007               "DELETE",
1008               { data: { id: this.challenges[challToDelIdx].id } }
1009             );
1010           }
1011           this.challenges.splice(challToDelIdx, 1);
1012         }
1013         this.send("newchallenge", {
1014           data: Object.assign({ from: this.st.user.sid }, chall)
1015         });
1016         // Add new challenge:
1017         chall.from = {
1018           // Decompose to avoid revealing email
1019           sid: this.st.user.sid,
1020           id: this.st.user.id,
1021           name: this.st.user.name
1022         };
1023         chall.added = Date.now();
1024         // NOTE: vname and type are redundant (can be deduced from cadence + vid)
1025         chall.type = ctype;
1026         chall.vname = this.newchallenge.vname;
1027         this.challenges.push(chall);
1028         // Remember cadence  + vid for quicker further challenges:
1029         localStorage.setItem("cadence", chall.cadence);
1030         localStorage.setItem("vid", chall.vid);
1031         localStorage.setItem("challRandomness", chall.randomness);
1032         document.getElementById("modalNewgame").checked = false;
1033         // Show the challenge if not on current display
1034         if (
1035           (ctype == "live" && this.cdisplay == "corr") ||
1036           (ctype == "corr" && this.cdisplay == "live")
1037         ) {
1038           this.setDisplay('c', ctype);
1039         }
1040       };
1041       if (ctype == "live") {
1042         // Live challenges have a random ID
1043         finishAddChallenge(null);
1044       } else {
1045         // Correspondance game: send challenge to server
1046         ajax(
1047           "/challenges",
1048           "POST",
1049           {
1050             data: { chall: chall },
1051             success: (response) => {
1052               finishAddChallenge(response.cid);
1053             }
1054           }
1055         );
1056       }
1057     },
1058     // Callback function after a diagram was showed to accept
1059     // or refuse targetted challenge:
1060     decisionChallenge: function(accepted) {
1061       this.curChallToAccept.accepted = accepted;
1062       this.finishProcessingChallenge(this.curChallToAccept);
1063       document.getElementById("modalAccept").checked = false;
1064     },
1065     finishProcessingChallenge: function(c) {
1066       if (c.accepted) {
1067         c.seat = {
1068           // Again, avoid c.seat = st.user to not reveal email
1069           sid: this.st.user.sid,
1070           id: this.st.user.id,
1071           name: this.st.user.name
1072         };
1073         this.launchGame(c);
1074         if (c.type == "live")
1075           // Remove all live challenges of both players
1076           this.send("deletechallenge_s", { data: { sids: [c.from.sid, c.seat.sid] } });
1077         else
1078           // Corr challenge: just remove the challenge
1079           this.send("deletechallenge_s", { data: { cid: c.id } });
1080       } else {
1081         const oppsid = this.getOppsid(c);
1082         if (!!oppsid)
1083           this.send("refusechallenge", { data: c.id, target: oppsid });
1084         if (c.type == "corr") {
1085           ajax(
1086             "/challenges",
1087             "DELETE",
1088             { data: { id: c.id } }
1089           );
1090         }
1091         this.send("deletechallenge_s", { data: { cid: c.id } });
1092       }
1093     },
1094     // TODO: if several players click same challenge at the same time: problem
1095     clickChallenge: async function(c) {
1096       const myChallenge =
1097         c.from.sid == this.st.user.sid || //live
1098         (this.st.user.id > 0 && c.from.id == this.st.user.id); //corr
1099       if (!myChallenge) {
1100         if (c.type == "corr" && this.st.user.id <= 0) {
1101           alert(this.st.tr["Please log in to accept corr challenges"]);
1102           return;
1103         }
1104         c.accepted = true;
1105         const vModule = await import("@/variants/" + c.vname + ".js");
1106         window.V = vModule.VariantRules;
1107         if (!!c.to) {
1108           // c.to == this.st.user.name (connected)
1109           if (!!c.fen) {
1110             const parsedFen = V.ParseFen(c.fen);
1111             c.mycolor = V.GetOppCol(parsedFen.turn);
1112             this.tchallDiag = getDiagram({
1113               position: parsedFen.position,
1114               orientation: c.mycolor
1115             });
1116           }
1117           this.curChallToAccept = c;
1118           document.getElementById("modalAccept").checked = true;
1119         }
1120         else this.finishProcessingChallenge(c);
1121       }
1122       else {
1123         // My challenge
1124         if (c.type == "corr") {
1125           ajax(
1126             "/challenges",
1127             "DELETE",
1128             { data: { id: c.id } }
1129           );
1130         }
1131         this.send("deletechallenge_s", { data: { cid: c.id } });
1132       }
1133       // In all cases, the challenge is consumed:
1134       ArrayFun.remove(this.challenges, ch => ch.id == c.id);
1135     },
1136     // NOTE: when launching game, the challenge is already being deleted
1137     launchGame: function(c) {
1138       let players =
1139         !!c.mycolor
1140           ? (c.mycolor == "w" ? [c.seat, c.from] : [c.from, c.seat])
1141           : shuffle([c.from, c.seat]);
1142       // These game informations will be shared
1143       let gameInfo = {
1144         id: getRandString(),
1145         fen: c.fen || V.GenRandInitFen(c.randomness),
1146         randomness: c.randomness, //for rematch
1147         // White player index 0, black player index 1:
1148         players: c.mycolor
1149           ? (c.mycolor == "w" ? [c.seat, c.from] : [c.from, c.seat])
1150           : shuffle([c.from, c.seat]),
1151         vid: c.vid,
1152         cadence: c.cadence
1153       };
1154       const notifyNewgame = () => {
1155         const oppsid = this.getOppsid(c);
1156         if (!!oppsid)
1157           // Opponent is online
1158           this.send("startgame", { data: gameInfo, target: oppsid });
1159         // Notify MyGames page:
1160         this.send(
1161           "notifynewgame",
1162           {
1163             data: gameInfo,
1164             targets: gameInfo.players.map(p => {
1165               return { sid: p.sid, id: p.id };
1166             })
1167           }
1168         );
1169         // NOTE: no need to send the game to the room, since I'll connect
1170         // on game just after, the main Hall will be notified.
1171       };
1172       if (c.type == "live") {
1173         notifyNewgame();
1174         this.startNewGame(gameInfo);
1175       } else {
1176         // corr: game only on server
1177         ajax(
1178           "/games",
1179           "POST",
1180           {
1181             // cid is useful to delete the challenge:
1182             data: { gameInfo: gameInfo, cid: c.id },
1183             success: (response) => {
1184               gameInfo.id = response.gameId;
1185               notifyNewgame();
1186               this.$router.push("/game/" + response.gameId);
1187             }
1188           }
1189         );
1190       }
1191     },
1192     // NOTE: for live games only (corr games start on the server)
1193     startNewGame: function(gameInfo) {
1194       const game = Object.assign(
1195         {},
1196         gameInfo,
1197         {
1198           // (other) Game infos: constant
1199           fenStart: gameInfo.fen,
1200           vname: this.getVname(gameInfo.vid),
1201           created: Date.now(),
1202           // Game state (including FEN): will be updated
1203           moves: [],
1204           clocks: [-1, -1], //-1 = unstarted
1205           initime: [0, 0], //initialized later
1206           score: "*"
1207         }
1208       );
1209       setTimeout(
1210         () => {
1211           GameStorage.add(game, (err) => {
1212             // If an error occurred, game is not added: a tab already
1213             // added the game. Maybe a focused one, maybe not.
1214             // We know for sure that it emitted the gong start sound.
1215             // ==> Do not play it again.
1216             if (!err && this.st.settings.sound)
1217               new Audio("/sounds/newgame.flac").play().catch(() => {});
1218             this.$router.push("/game/" + gameInfo.id);
1219           });
1220         },
1221         document.hidden ? 500 + 1000 * Math.random() : 0
1222       );
1223     }
1224   }
1225 };
1226 </script>
1227
1228 <style lang="sass" scoped>
1229 .active
1230   color: #42a983
1231
1232 #infoDiv > .card
1233   padding: 15px 0
1234   max-width: 430px
1235
1236 #newgameDiv > .card, #acceptDiv > .card
1237   max-width: 767px
1238   max-height: 100%
1239
1240 div#peopleWrap > .card
1241   max-height: 100%
1242
1243 @media screen and (min-width: 1281px)
1244   div#peopleWrap > .card
1245     max-width: 66.67%
1246
1247 @media screen and (max-width: 1280px)
1248   div#peopleWrap > .card
1249     max-width: 83.33%
1250
1251 @media screen and (max-width: 767px)
1252   div#peopleWrap > .card
1253     max-width: 100%
1254
1255 #players
1256   width: 50%
1257   position: relative
1258   float: left
1259
1260 #chat
1261   width: 50%
1262   float: left
1263   position: relative
1264
1265 @media screen and (max-width: 767px)
1266   #players, #chats
1267     width: 100%
1268
1269 #chat > .card
1270   max-width: 100%
1271   margin: 0;
1272   border: none;
1273
1274 #players > p
1275   margin-left: 5px
1276
1277 .anonymous
1278   font-style: italic
1279
1280 button.player-action
1281   margin-left: 32px
1282
1283 .somethingnew
1284   background-color: #c5fefe !important
1285
1286 .tabbtn
1287   background-color: #f9faee
1288
1289 button.acceptBtn
1290   background-color: lightgreen
1291 button.refuseBtn
1292   background-color: red
1293
1294 #buttonsTchall
1295   // margin-top set dynamically (depends if diagram showed or not)
1296   & > button > span
1297     width: 100%
1298     text-align: center
1299
1300 .variantName
1301   font-weight: bold
1302
1303 .diagram
1304   margin: 0 auto
1305   max-width: 400px
1306   // width: 100% required for Firefox
1307   width: 100%
1308
1309 #inputFen
1310   width: 100%
1311
1312 #div2, #div3
1313   margin-top: 15px
1314 @media screen and (max-width: 767px)
1315   #div2, #div3
1316     margin-top: 0
1317
1318 tr > td
1319   &.random-0
1320     background-color: #FF5733
1321   &.random-1
1322     background-color: #2B63B4
1323   &.random-2
1324     background-color: #33B42B
1325
1326 @media screen and (max-width: 767px)
1327   h4
1328     margin: 5px 0
1329
1330 button#loadMoreBtn
1331   margin-top: 0
1332   margin-bottom: 0
1333
1334 td.remove-preset
1335   background-color: lightgrey
1336   text-align: center
1337   & > img
1338     height: 1em
1339 </style>