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   created: function() {
 270     if (this.st.variants.length > 0 && this.newchallenge.vid > 0)
 271       this.loadNewchallVariant();
 272     const my = this.st.user;
 273     this.$set(
 274       this.people,
 275       my.sid,
 276       {
 277         id: my.id,
 278         name: my.name,
 279         pages: [{ path: "/", focus: true }]
 280       }
 281     );
 282     const connectAndPoll = () => {
 283       this.send("connect");
 284       this.send("pollclientsandgamers");
 285     };
 286     // Initialize connection
 287     this.connexionString =
 288       params.socketUrl +
 289       "/?sid=" +
 290       this.st.user.sid +
 291       "&id=" +
 292       this.st.user.id +
 293       "&tmpId=" +
 294       getRandString() +
 295       "&page=" +
 296       // Hall: path is "/" (could be hard-coded as well)
 297       encodeURIComponent(this.$route.path);
 298     this.conn = new WebSocket(this.connexionString);
 299     this.conn.onopen = connectAndPoll;
 300     this.conn.onmessage = this.socketMessageListener;
 301     this.conn.onclose = this.socketCloseListener;
 302   },
 303   mounted: function() {
 304     document.addEventListener('visibilitychange', this.visibilityChange);
 305     ["peopleWrap", "infoDiv", "newgameDiv"].forEach(eltName => {
 306       document.getElementById(eltName)
 307         .addEventListener("click", processModalClick);
 308     });
 309     document.querySelectorAll("#predefinedCadences > button").forEach(b => {
 310       b.addEventListener("click", () => {
 311         this.newchallenge.cadence = b.innerHTML;
 312       });
 313     });
 314     const dispCorr = this.$route.query["disp"];
 315     const showCtype =
 316       dispCorr || localStorage.getItem("type-challenges") || "live";
 317     const showGtype =
 318       dispCorr || localStorage.getItem("type-games") || "live";
 319     this.setDisplay('c', showCtype);
 320     this.setDisplay('g', showGtype);
 321     // Ask server for current corr games (all but mines)
 322     ajax(
 323       "/observedgames",
 324       "GET",
 325       {
 326         data: {
 327           uid: this.st.user.id,
 328           cursor: this.cursor
 329         },
 330         success: (response) => {
 331           const L = response.games.length;
 332           if (L > 0) {
 333             this.cursor = response.games[L - 1].created;
 334             if (this.games.length == 0 && this.gdisplay == "live") {
 335               document
 336                 .getElementById("btnGcorr")
 337                 .classList.add("somethingnew");
 338             }
 339           }
 340           this.games = this.games.concat(
 341             response.games.map(g => {
 342               const vname = this.getVname(g.vid);
 343               return Object.assign(
 344                 {},
 345                 g,
 346                 {
 347                   type: "corr",
 348                   vname: vname
 349                 }
 350               );
 351             })
 352           );
 353         }
 354       }
 355     );
 356     // Also ask for corr challenges (open + sent by/to me)
 357     ajax(
 358       "/challenges",
 359       "GET",
 360       {
 361         data: { uid: this.st.user.id },
 362         success: (response) => {
 363           if (
 364             response.challenges.length > 0 &&
 365             this.challenges.length == 0 &&
 366             this.cdisplay == "live"
 367           ) {
 368             document
 369               .getElementById("btnCcorr")
 370               .classList.add("somethingnew");
 371           }
 372           // Gather all senders names, and then retrieve full identity:
 373           // (TODO [perf]: some might be online...)
 374           let names = {};
 375           response.challenges.forEach(c => {
 376             if (c.uid != this.st.user.id) names[c.uid] = "";
 377             else if (!!c.target && c.target != this.st.user.id)
 378               names[c.target] = "";
 379           });
 380           const addChallenges = () => {
 381             names[this.st.user.id] = this.st.user.name; //in case of
 382             this.challenges = this.challenges.concat(
 383               response.challenges.map(c => {
 384                 const from = { name: names[c.uid], id: c.uid }; //or just name
 385                 const type = this.classifyObject(c);
 386                 const vname = this.getVname(c.vid);
 387                 return Object.assign(
 388                   {},
 389                   {
 390                     type: type,
 391                     vname: vname,
 392                     from: from,
 393                     to: c.target ? names[c.target] : ""
 394                   },
 395                   c
 396                 );
 397               })
 398             );
 399           };
 400           if (Object.keys(names).length > 0) {
 401             ajax(
 402               "/users",
 403               "GET",
 404               {
 405                 data: { ids: Object.keys(names).join(",") },
 406                 success: (response2) => {
 407                   response2.users.forEach(u => {
 408                     names[u.id] = u.name;
 409                   });
 410                   addChallenges();
 411                 }
 412               }
 413             );
 414           } else addChallenges();
 415         }
 416       }
 417     );
 418   },
 419   beforeDestroy: function() {
 420     document.removeEventListener('visibilitychange', this.visibilityChange);
 421     this.send("disconnect");
 422   },
 423   methods: {
 424     getRandomnessClass: function(pc) {
 425       return {
 426         ["random-" + pc.randomness]: true
 427       };
 428     },
 429     anonymousCount: function() {
 430       let count = 0;
 431       Object.values(this.people).forEach(p => {
 432         // Do not cound people who did not send their identity yet:
 433         count += (!p.name && p.id === 0) ? 1 : 0;
 434       });
 435       return count;
 436     },
 437     visibilityChange: function() {
 438       // TODO: Use document.hidden? https://webplatform.news/issues/2019-03-27
 439       this.send(
 440         document.visibilityState == "visible"
 441           ? "getfocus"
 442           : "losefocus"
 443       );
 444     },
 445     partialResetNewchallenge: function() {
 446       // Reset potential target and custom FEN:
 447       this.newchallenge.to = "";
 448       this.newchallenge.fen = "";
 449       this.newchallenge.diag = "";
 450       this.newchallenge.memorize = false;
 451     },
 452     showNewchallengeForm: function() {
 453       this.partialResetNewchallenge();
 454       window.doClick("modalNewgame");
 455     },
 456     addPresetChall: function(chall) {
 457       // Add only if not already existing:
 458       if (this.presetChalls.some(c =>
 459         c.vid == chall.vid &&
 460         c.cadence == chall.cadence &&
 461         c.randomness == chall.randomness
 462       )) {
 463         return;
 464       }
 465       const L = this.presetChalls.length;
 466       this.presetChalls.push({
 467         index: L,
 468         vid: chall.vid,
 469         vname: chall.vname, //redundant, but easier
 470         cadence: chall.cadence,
 471         randomness: chall.randomness
 472       });
 473       localStorage.setItem("presetChalls", JSON.stringify(this.presetChalls));
 474     },
 475     removePresetChall: function(e, pchall) {
 476       e.stopPropagation();
 477       const pchallIdx = this.presetChalls.findIndex(pc => pc.index == pchall.index);
 478       this.presetChalls.splice(pchallIdx, 1);
 479       localStorage.setItem("presetChalls", JSON.stringify(this.presetChalls));
 480     },
 481     tchallButtonsMargin: function() {
 482       if (!!this.curChallToAccept.fen) return { "margin-top": "10px" };
 483       return {};
 484     },
 485     cadenceFocusIfOpened: function() {
 486       if (event.target.checked)
 487         document.getElementById("cadence").focus();
 488     },
 489     send: function(code, obj) {
 490       if (!!this.conn) {
 491         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 492       }
 493     },
 494     getVname: function(vid) {
 495       const variant = this.st.variants.find(v => v.id == vid);
 496       // this.st.variants might be uninitialized (variant == null)
 497       return variant ? variant.name : "";
 498     },
 499     filterChallenges: function(type) {
 500       return this.challenges.filter(c => c.type == type);
 501     },
 502     filterGames: function(type) {
 503       return this.games.filter(g => g.type == type);
 504     },
 505     classifyObject: function(o) {
 506       // o: challenge or game
 507       return o.cadence.indexOf("d") === -1 ? "live" : "corr";
 508     },
 509     setDisplay: function(letter, type, e) {
 510       this[letter + "display"] = type;
 511       localStorage.setItem(
 512         "type-" + (letter == "c" ? "challenges" : "games"),
 513         type
 514       );
 515       let elt = e
 516         ? e.target
 517         : document.getElementById("btn" + letter.toUpperCase() + type);
 518       elt.classList.add("active");
 519       elt.classList.remove("somethingnew"); //in case of
 520       if (!!elt.previousElementSibling)
 521         elt.previousElementSibling.classList.remove("active");
 522       else elt.nextElementSibling.classList.remove("active");
 523     },
 524     isGamer: function(sid) {
 525       return this.people[sid].pages
 526         .some(p => p.focus && p.path.indexOf("/game/") >= 0);
 527     },
 528     isFocusedOnHall: function(sid) {
 529       return (
 530         // This is meant to challenge people, thus the next 2 conditions:
 531         this.st.user.id > 0 &&
 532         sid != this.st.user.sid &&
 533         this.people[sid].pages.some(p => p.path == "/" && p.focus)
 534       );
 535     },
 536     challenge: function(sid) {
 537       this.partialResetNewchallenge();
 538       // Available, in Hall
 539       this.newchallenge.to = this.people[sid].name;
 540       // TODO: also store target sid to not re-search for it
 541       document.getElementById("modalPeople").checked = false;
 542       window.doClick("modalNewgame");
 543     },
 544     watchGame: function(sid) {
 545       // In some game, maybe playing maybe not: show a random one
 546       let gids = [];
 547       this.people[sid].pages.forEach(p => {
 548         if (p.focus) {
 549           const matchGid = p.path.match(/[a-zA-Z0-9]+$/);
 550           if (!!matchGid) gids.push(matchGid[0]);
 551         }
 552       });
 553       const gid = gids[Math.floor(Math.random() * gids.length)];
 554       const game = this.games.find(g => g.id == gid);
 555       if (!!game) this.showGame(game);
 556       else this.$router.push("/game/" + gid); //game vs. me
 557     },
 558     showGame: function(g) {
 559       // NOTE: we are an observer, since only games I don't play are shown here
 560       // ==> Moves sent by connected remote player(s) if live game
 561       this.$router.push("/game/" + g.id);
 562     },
 563     resetSocialColor: function() {
 564       // TODO: this is called twice, once on opening an once on closing
 565       document.getElementById("peopleBtn").classList.remove("somethingnew");
 566     },
 567     processChat: function(chat) {
 568       this.send("newchat", { data: chat });
 569     },
 570     getOppsid: function(c) {
 571       let oppsid = c.from.sid; //may not be defined if corr + offline opp
 572       if (!oppsid) {
 573         oppsid = Object.keys(this.people).find(
 574           sid => this.people[sid].id == c.from.id
 575         );
 576       }
 577       return oppsid;
 578     },
 579     // Messaging center:
 580     socketMessageListener: function(msg) {
 581       if (!this.conn) return;
 582       const data = JSON.parse(msg.data);
 583       switch (data.code) {
 584         case "pollclientsandgamers": {
 585           // Since people can be both in Hall and Game,
 586           // need to track "askIdentity" requests:
 587           let identityAsked = {};
 588           data.sockIds.forEach(s => {
 589             const page = s.page || "/";
 590             if (s.sid != this.st.user.sid && !identityAsked[s.sid]) {
 591               this.send("askidentity", { target: s.sid, page: page });
 592               identityAsked[s.sid] = true;
 593             }
 594             if (!this.people[s.sid]) {
 595               // Do not set name or id: identity unknown yet
 596               this.people[s.sid] = { pages: [{path: page, focus: true}] };
 597             }
 598             else if (!(this.people[s.sid].pages.find(p => p.path == page)))
 599               this.people[s.sid].pages.push({ path: page, focus: true });
 600             if (!s.page)
 601               // Peer is in Hall
 602               this.send("askchallenges", { target: s.sid });
 603             // Peer is in Game: ask only if live game
 604             else if (!page.match(/\/[0-9]+$/))
 605               this.send("askgame", { target: s.sid, page: page });
 606           });
 607           break;
 608         }
 609         case "connect":
 610         case "gconnect": {
 611           const page = data.page || "/";
 612           if (data.code == "connect") {
 613             // Ask challenges only on first connexion:
 614             if (!this.people[data.from])
 615               this.send("askchallenges", { target: data.from });
 616           }
 617           // Ask game only if live:
 618           else if (!page.match(/\/[0-9]+$/))
 619             this.send("askgame", { target: data.from, page: page });
 620           if (!this.people[data.from])
 621             this.people[data.from] = { pages: [{ path: page, focus: true }] };
 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           const page = data.page || "/";
 641           ArrayFun.remove(this.people[data.from].pages, p => p.path == page);
 642           if (this.people[data.from].pages.length == 0)
 643             this.$delete(this.people, data.from);
 644           // Disconnect means no more tmpIds:
 645           if (data.code == "disconnect") {
 646             // Remove the live challenges sent by this player:
 647             ArrayFun.remove(
 648               this.challenges,
 649               c => c.type == "live" && c.from.sid == data.from,
 650               "all"
 651             );
 652           } else {
 653             // Remove the matching live game if now unreachable
 654             const gid = page.match(/[a-zA-Z0-9]+$/)[0];
 655             // Corr games are always reachable:
 656             if (!gid.match(/^[0-9]+$/)) {
 657               // Live games are reachable as long as someone is on the game page
 658               if (Object.values(this.people).every(p =>
 659                 p.pages.every(pg => pg.path != page))) {
 660                 ArrayFun.remove(this.games, g => g.id == gid);
 661               }
 662             }
 663           }
 664           break;
 665         }
 666         case "getfocus":
 667           // If user reload a page, focus may arrive earlier than connect
 668           if (!!this.people[data.from]) {
 669             this.people[data.from].pages
 670               .find(p => p.path == data.page).focus = true;
 671             this.$forceUpdate(); //TODO: shouldn't be required
 672           }
 673           break;
 674         case "losefocus":
 675           if (!!this.people[data.from]) {
 676             this.people[data.from].pages
 677               .find(p => p.path == data.page).focus = false;
 678             this.$forceUpdate(); //TODO: shouldn't be required
 679           }
 680           break;
 681         case "killed":
 682           // I logged in elsewhere:
 683           this.conn = null;
 684           alert(this.st.tr["New connexion detected: tab now offline"]);
 685           break;
 686         case "askidentity": {
 687           // Request for identification
 688           const me = {
 689             // Decompose to avoid revealing email
 690             name: this.st.user.name,
 691             sid: this.st.user.sid,
 692             id: this.st.user.id
 693           };
 694           this.send("identity", { data: me, target: data.from });
 695           break;
 696         }
 697         case "identity": {
 698           const user = data.data;
 699           let player = this.people[user.sid];
 700           // player.pages is already set
 701           player.id = user.id;
 702           player.name = user.name;
 703           // TODO: this.$set(people, ...) fails. So forceUpdate.
 704           //       But this shouldn't be like that!
 705           this.$forceUpdate();
 706           // If I multi-connect, kill current connexion if no mark (I'm older)
 707           if (this.newConnect[user.sid]) {
 708             if (
 709               user.id > 0 &&
 710               user.id == this.st.user.id &&
 711               user.sid != this.st.user.sid &&
 712               !this.killed[this.st.user.sid]
 713             ) {
 714                 this.send("killme", { sid: this.st.user.sid });
 715                 this.killed[this.st.user.sid] = true;
 716             }
 717             delete this.newConnect[user.sid];
 718           }
 719           break;
 720         }
 721         case "askchallenges": {
 722           // Send my current live challenges (if any)
 723           const myChallenges = this.challenges
 724             .filter(c =>
 725               c.from.sid == this.st.user.sid && c.type == "live"
 726             )
 727             .map(c => {
 728               // NOTE: in principle, should only send targeted challenge to the target.
 729               // But we may not know yet the identity of the target (just name),
 730               // so cannot decide if data.from is the target or not.
 731               return {
 732                 id: c.id,
 733                 from: this.st.user.sid,
 734                 to: c.to,
 735                 randomness: c.randomness,
 736                 fen: c.fen,
 737                 vid: c.vid,
 738                 cadence: c.cadence,
 739                 added: c.added
 740               };
 741             });
 742           if (myChallenges.length > 0)
 743             this.send("challenges", { data: myChallenges, target: data.from });
 744           break;
 745         }
 746         case "challenges": //after "askchallenges"
 747           data.data.forEach(this.addChallenge);
 748           break;
 749         case "newchallenge":
 750           this.addChallenge(data.data);
 751           break;
 752         case "refusechallenge": {
 753           const cid = data.data;
 754           ArrayFun.remove(this.challenges, c => c.id == cid);
 755           alert(this.st.tr["Challenge declined"]);
 756           break;
 757         }
 758         case "deletechallenge_s": {
 759           // NOTE: the challenge(s) may be already removed
 760           const cref = data.data;
 761           if (!!cref.cid) ArrayFun.remove(this.challenges, c => c.id == cref.cid);
 762           else if (!!cref.sids) {
 763             cref.sids.forEach(s => {
 764               ArrayFun.remove(
 765                 this.challenges,
 766                 c => c.type == "live" && c.from.sid == s,
 767                 "all"
 768               );
 769             });
 770           }
 771           break;
 772         }
 773         case "game": // Individual request
 774         case "newgame": {
 775           const game = data.data;
 776           // Ignore games where I play (will go in MyGames page),
 777           // and also games that I already received.
 778           if (
 779             game.players.every(p =>
 780               p.sid != this.st.user.sid && p.id != this.st.user.id) &&
 781             this.games.findIndex(g => g.id == game.id) == -1
 782           ) {
 783             let newGame = game;
 784             newGame.type = this.classifyObject(game);
 785             newGame.vname = this.getVname(game.vid);
 786             if (!game.score)
 787               // New game from Hall
 788               newGame.score = "*";
 789             this.games.push(newGame);
 790             if (
 791               (newGame.type == "live" && this.gdisplay == "corr") ||
 792               (newGame.type == "corr" && this.gdisplay == "live")
 793             ) {
 794               document
 795                 .getElementById("btnG" + newGame.type)
 796                 .classList.add("somethingnew");
 797             }
 798           }
 799           break;
 800         }
 801         case "result": {
 802           let g = this.games.find(g => g.id == data.gid);
 803           if (!!g) g.score = data.score;
 804           break;
 805         }
 806         case "startgame": {
 807           // New game just started, I'm involved
 808           const gameInfo = data.data;
 809           if (this.classifyObject(gameInfo) == "live")
 810             this.startNewGame(gameInfo);
 811           else {
 812             this.infoMessage =
 813               this.st.tr["New correspondance game:"] +
 814               " <a href='#/game/" +
 815               gameInfo.id +
 816               "'>" +
 817               "#/game/" +
 818               gameInfo.id +
 819               "</a>";
 820             document.getElementById("modalInfo").checked = true;
 821           }
 822           break;
 823         }
 824         case "newchat":
 825           this.newChat = data.data;
 826           if (!document.getElementById("modalPeople").checked)
 827             document.getElementById("peopleBtn").classList.add("somethingnew");
 828           break;
 829       }
 830     },
 831     socketCloseListener: function() {
 832       if (!this.conn) return;
 833       this.conn = new WebSocket(this.connexionString);
 834       this.conn.addEventListener("message", this.socketMessageListener);
 835       this.conn.addEventListener("close", this.socketCloseListener);
 836     },
 837     loadMore: function() {
 838       ajax(
 839         "/observedgames",
 840         "GET",
 841         {
 842           data: {
 843             uid: this.st.user.id,
 844             cursor: this.cursor
 845           },
 846           success: (res) => {
 847             const L = res.games.length;
 848             if (L > 0) {
 849               this.cursor = res.games[L - 1].created;
 850               let moreGames = res.games.map(g => {
 851                 const vname = this.getVname(g.vid);
 852                 return Object.assign(
 853                   {},
 854                   g,
 855                   {
 856                     type: "corr",
 857                     vname: vname
 858                   }
 859                 );
 860               });
 861               this.games = this.games.concat(moreGames);
 862             } else this.hasMore = false;
 863           }
 864         }
 865       );
 866     },
 867     // Challenge lifecycle:
 868     addChallenge: function(chall) {
 869       // NOTE about next condition: see "askchallenges" case.
 870       if (
 871         !chall.to ||
 872         (this.people[chall.from].id > 0 &&
 873           (chall.from == this.st.user.sid || chall.to == this.st.user.name))
 874       ) {
 875         let newChall = Object.assign({}, chall);
 876         newChall.type = this.classifyObject(chall);
 877         newChall.randomness = chall.randomness;
 878         newChall.added = Date.now();
 879         let fromValues = Object.assign({}, this.people[chall.from]);
 880         delete fromValues["pages"]; //irrelevant in this context
 881         newChall.from = Object.assign({ sid: chall.from }, fromValues);
 882         newChall.vname = this.getVname(newChall.vid);
 883         this.challenges.push(newChall);
 884         if (
 885           (newChall.type == "live" && this.cdisplay == "corr") ||
 886           (newChall.type == "corr" && this.cdisplay == "live")
 887         ) {
 888           document
 889             .getElementById("btnC" + newChall.type)
 890             .classList.add("somethingnew");
 891         }
 892       }
 893     },
 894     loadNewchallVariant: async function(cb) {
 895       const vname = this.getVname(this.newchallenge.vid);
 896       await import("@/variants/" + vname + ".js")
 897       .then((vModule) => {
 898         window.V = vModule[vname + "Rules"];
 899         this.newchallenge.V = window.V;
 900         this.newchallenge.vname = vname;
 901         if (!!cb) cb();
 902       });
 903     },
 904     trySetNewchallDiag: function() {
 905       if (!this.newchallenge.fen) {
 906         this.newchallenge.diag = "";
 907         return;
 908       }
 909       // If vid > 0 then the variant is loaded (function above):
 910       window.V = this.newchallenge.V;
 911       if (
 912         this.newchallenge.vid > 0 &&
 913         !!this.newchallenge.fen &&
 914         V.IsGoodFen(this.newchallenge.fen)
 915       ) {
 916         const parsedFen = V.ParseFen(this.newchallenge.fen);
 917         this.newchallenge.diag = getDiagram({
 918           position: parsedFen.position,
 919           orientation: parsedFen.turn
 920         });
 921       }
 922     },
 923     newChallFromPreset(pchall) {
 924       this.partialResetNewchallenge();
 925       this.newchallenge.vid = pchall.vid;
 926       this.newchallenge.cadence = pchall.cadence;
 927       this.newchallenge.randomness = pchall.randomness;
 928       this.loadNewchallVariant(this.issueNewChallenge);
 929     },
 930     issueNewChallenge: async function() {
 931       if (!!(this.newchallenge.cadence.match(/^[0-9]+$/)))
 932         this.newchallenge.cadence += "+0"; //assume minutes, no increment
 933       const ctype = this.classifyObject(this.newchallenge);
 934       // TODO: cadence still unchecked so ctype could be wrong...
 935       let error = "";
 936       if (!this.newchallenge.vid)
 937         error = this.st.tr["Please select a variant"];
 938       else if (ctype == "corr" && this.st.user.id <= 0)
 939         error = this.st.tr["Please log in to play correspondance games"];
 940       else if (!!this.newchallenge.to) {
 941         if (this.newchallenge.to == this.st.user.name)
 942           error = this.st.tr["Self-challenge is forbidden"];
 943         else if (
 944           ctype == "live" &&
 945           Object.values(this.people).every(p => p.name != this.newchallenge.to)
 946         ) {
 947           error = this.newchallenge.to + " " + this.st.tr["is not online"];
 948         }
 949       }
 950       if (error) {
 951         alert(error);
 952         return;
 953       }
 954       window.V = this.newchallenge.V;
 955       error = checkChallenge(this.newchallenge);
 956       if (error) {
 957         alert(error);
 958         return;
 959       }
 960       // NOTE: "from" information is not required here
 961       let chall = Object.assign({}, this.newchallenge);
 962       // Add only if not already issued (not counting target or FEN):
 963       if (this.challenges.some(c =>
 964         (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id) &&
 965         c.vid == chall.vid &&
 966         c.cadence == chall.cadence &&
 967         c.randomness == chall.randomness
 968       )) {
 969         alert(this.st.tr["Challenge already exists"]);
 970         return;
 971       }
 972       if (this.newchallenge.memorize) this.addPresetChall(this.newchallenge);
 973       delete chall["V"];
 974       delete chall["diag"];
 975       const finishAddChallenge = cid => {
 976         chall.id = cid || "c" + getRandString();
 977         const MAX_ALLOWED_CHALLS = 3;
 978         // Remove oldest challenge if 3 found: only 3 at a time of a given type
 979         let countMyChalls = 0;
 980         let challToDelIdx = 0;
 981         let oldestAdded = Number.MAX_SAFE_INTEGER;
 982         for (let i=0; i<this.challenges.length; i++) {
 983           const c = this.challenges[i];
 984           if (
 985             c.type == ctype &&
 986             (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id)
 987           ) {
 988             countMyChalls++;
 989             if (c.added < oldestAdded) {
 990               challToDelIdx = i;
 991               oldestAdded = c.added;
 992             }
 993           }
 994         }
 995         if (countMyChalls >= MAX_ALLOWED_CHALLS) {
 996           this.send(
 997             "deletechallenge_s",
 998             { data: { cid: this.challenges[challToDelIdx].id } }
 999           );
1000           if (ctype == "corr") {
1001             ajax(
1002               "/challenges",
1003               "DELETE",
1004               { data: { id: this.challenges[challToDelIdx].id } }
1005             );
1006           }
1007           this.challenges.splice(challToDelIdx, 1);
1008         }
1009         this.send("newchallenge", {
1010           data: Object.assign({ from: this.st.user.sid }, chall)
1011         });
1012         // Add new challenge:
1013         chall.from = {
1014           sid: this.st.user.sid,
1015           id: this.st.user.id,
1016           name: this.st.user.name
1017         };
1018         chall.added = Date.now();
1019         // NOTE: vname and type are redundant (can be deduced from cadence + vid)
1020         chall.type = ctype;
1021         chall.vname = this.newchallenge.vname;
1022         this.challenges.push(chall);
1023         // Remember cadence  + vid for quicker further challenges:
1024         localStorage.setItem("cadence", chall.cadence);
1025         localStorage.setItem("vid", chall.vid);
1026         localStorage.setItem("challRandomness", chall.randomness);
1027         document.getElementById("modalNewgame").checked = false;
1028         // Show the challenge if not on current display
1029         if (
1030           (ctype == "live" && this.cdisplay == "corr") ||
1031           (ctype == "corr" && this.cdisplay == "live")
1032         ) {
1033           this.setDisplay('c', ctype);
1034         }
1035       };
1036       if (ctype == "live") {
1037         // Live challenges have a random ID
1038         finishAddChallenge(null);
1039       } else {
1040         // Correspondance game: send challenge to server
1041         ajax(
1042           "/challenges",
1043           "POST",
1044           {
1045             data: { chall: chall },
1046             success: (response) => {
1047               finishAddChallenge(response.id);
1048             }
1049           }
1050         );
1051       }
1052     },
1053     // Callback function after a diagram was showed to accept
1054     // or refuse targetted challenge:
1055     decisionChallenge: function(accepted) {
1056       this.curChallToAccept.accepted = accepted;
1057       this.finishProcessingChallenge(this.curChallToAccept);
1058       document.getElementById("modalAccept").checked = false;
1059     },
1060     finishProcessingChallenge: function(c) {
1061       if (c.accepted) {
1062         c.seat = {
1063           sid: this.st.user.sid,
1064           id: this.st.user.id,
1065           name: this.st.user.name
1066         };
1067         this.launchGame(c);
1068         if (c.type == "live")
1069           // Remove all live challenges of both players
1070           this.send("deletechallenge_s", { data: { sids: [c.from.sid, c.seat.sid] } });
1071         else
1072           // Corr challenge: just remove the challenge
1073           this.send("deletechallenge_s", { data: { cid: c.id } });
1074       } else {
1075         const oppsid = this.getOppsid(c);
1076         if (!!oppsid)
1077           this.send("refusechallenge", { data: c.id, target: oppsid });
1078         if (c.type == "corr") {
1079           ajax(
1080             "/challenges",
1081             "DELETE",
1082             { data: { id: c.id } }
1083           );
1084         }
1085         this.send("deletechallenge_s", { data: { cid: c.id } });
1086       }
1087     },
1088     // TODO: if several players click same challenge at the same time: problem
1089     clickChallenge: async function(c) {
1090       const myChallenge =
1091         c.from.sid == this.st.user.sid || //live
1092         (this.st.user.id > 0 && c.from.id == this.st.user.id); //corr
1093       if (!myChallenge) {
1094         if (c.type == "corr" && this.st.user.id <= 0) {
1095           alert(this.st.tr["Please log in to accept corr challenges"]);
1096           return;
1097         }
1098         c.accepted = true;
1099         await import("@/variants/" + c.vname + ".js")
1100         .then((vModule) => {
1101           window.V = vModule[c.vname + "Rules"];
1102           if (!!c.to) {
1103             // c.to == this.st.user.name (connected)
1104             if (!!c.fen) {
1105               const parsedFen = V.ParseFen(c.fen);
1106               c.mycolor = V.GetOppCol(parsedFen.turn);
1107               this.tchallDiag = getDiagram({
1108                 position: parsedFen.position,
1109                 orientation: c.mycolor
1110               });
1111             }
1112             this.curChallToAccept = c;
1113             document.getElementById("modalAccept").checked = true;
1114           }
1115           else this.finishProcessingChallenge(c);
1116         });
1117       }
1118       else {
1119         // My challenge
1120         if (c.type == "corr") {
1121           ajax(
1122             "/challenges",
1123             "DELETE",
1124             { data: { id: c.id } }
1125           );
1126         }
1127         this.send("deletechallenge_s", { data: { cid: c.id } });
1128       }
1129       // In all cases, the challenge is consumed:
1130       ArrayFun.remove(this.challenges, ch => ch.id == c.id);
1131     },
1132     // NOTE: when launching game, the challenge is already being deleted
1133     launchGame: function(c) {
1134       // White player index 0, black player index 1:
1135       const players =
1136         !!c.mycolor
1137           ? (c.mycolor == "w" ? [c.seat, c.from] : [c.from, c.seat])
1138           : shuffle([c.from, c.seat]);
1139       // These game informations will be shared
1140       let gameInfo = {
1141         id: getRandString(),
1142         fen: c.fen || V.GenRandInitFen(c.randomness),
1143         randomness: c.randomness, //for rematch
1144         players: players,
1145         vid: c.vid,
1146         cadence: c.cadence
1147       };
1148       const notifyNewgame = () => {
1149         const oppsid = this.getOppsid(c);
1150         if (!!oppsid)
1151           // Opponent is online
1152           this.send("startgame", { data: gameInfo, target: oppsid });
1153         // If new corr game, notify Hall (except opponent and me)
1154         if (c.type == "corr") {
1155           this.send(
1156             "newgame",
1157             {
1158               data: gameInfo,
1159               excluded: [this.st.user.sid, oppsid]
1160             }
1161           );
1162         }
1163         // Notify MyGames page:
1164         this.send(
1165           "notifynewgame",
1166           {
1167             data: gameInfo,
1168             targets: gameInfo.players
1169           }
1170         );
1171         // NOTE: no need to send the game to the room, since I'll connect
1172         // on game just after, the main Hall will be notified.
1173       };
1174       if (c.type == "live") {
1175         notifyNewgame();
1176         this.startNewGame(gameInfo);
1177       } else {
1178         // corr: game only on server
1179         ajax(
1180           "/games",
1181           "POST",
1182           {
1183             // cid is useful to delete the challenge:
1184             data: {
1185               gameInfo: gameInfo,
1186               cid: c.id
1187             },
1188             success: (response) => {
1189               gameInfo.id = response.id;
1190               notifyNewgame();
1191               this.$router.push("/game/" + response.id);
1192             }
1193           }
1194         );
1195       }
1196     },
1197     // NOTE: for live games only (corr games start on the server)
1198     startNewGame: function(gameInfo) {
1199       const game = Object.assign(
1200         {},
1201         gameInfo,
1202         {
1203           // (other) Game infos: constant
1204           fenStart: gameInfo.fen,
1205           vname: this.getVname(gameInfo.vid),
1206           created: Date.now(),
1207           // Game state (including FEN): will be updated
1208           moves: [],
1209           clocks: [-1, -1], //-1 = unstarted
1210           initime: [0, 0], //initialized later
1211           score: "*"
1212         }
1213       );
1214       setTimeout(
1215         () => {
1216           GameStorage.add(game, (err) => {
1217             // If an error occurred, game is not added: a tab already
1218             // added the game. Maybe a focused one, maybe not.
1219             // We know for sure that it emitted the gong start sound.
1220             // ==> Do not play it again.
1221             if (!err && this.st.settings.sound)
1222               new Audio("/sounds/newgame.flac").play().catch(() => {});
1223             this.$router.push("/game/" + gameInfo.id);
1224           });
1225         },
1226         document.hidden ? 500 + 1000 * Math.random() : 0
1227       );
1228     }
1229   }
1230 };
1231 </script>
1232
1233 <style lang="sass" scoped>
1234 .active
1235   color: #42a983
1236
1237 #infoDiv > .card
1238   padding: 15px 0
1239   max-width: 430px
1240
1241 #newgameDiv > .card, #acceptDiv > .card
1242   max-width: 767px
1243   max-height: 100%
1244
1245 div#peopleWrap > .card
1246   max-height: 100%
1247
1248 @media screen and (min-width: 1281px)
1249   div#peopleWrap > .card
1250     max-width: 66.67%
1251
1252 @media screen and (max-width: 1280px)
1253   div#peopleWrap > .card
1254     max-width: 83.33%
1255
1256 @media screen and (max-width: 767px)
1257   div#peopleWrap > .card
1258     max-width: 100%
1259
1260 #players
1261   width: 50%
1262   position: relative
1263   float: left
1264
1265 #chat
1266   width: 50%
1267   float: left
1268   position: relative
1269
1270 @media screen and (max-width: 767px)
1271   #players, #chats
1272     width: 100%
1273
1274 #chat > .card
1275   max-width: 100%
1276   margin: 0;
1277   border: none;
1278
1279 #players > p
1280   margin-left: 5px
1281
1282 .anonymous
1283   font-style: italic
1284
1285 button.player-action
1286   margin-left: 32px
1287
1288 .somethingnew
1289   background-color: #c5fefe !important
1290
1291 .tabbtn
1292   background-color: #f9faee
1293
1294 button.acceptBtn
1295   background-color: lightgreen
1296 button.refuseBtn
1297   background-color: red
1298
1299 #buttonsTchall
1300   // margin-top set dynamically (depends if diagram showed or not)
1301   & > button > span
1302     width: 100%
1303     text-align: center
1304
1305 .variantName
1306   font-weight: bold
1307
1308 .diagram
1309   margin: 0 auto
1310   max-width: 400px
1311   // width: 100% required for Firefox
1312   width: 100%
1313
1314 #inputFen
1315   width: 100%
1316
1317 #div2, #div3
1318   margin-top: 15px
1319 @media screen and (max-width: 767px)
1320   #div2, #div3
1321     margin-top: 0
1322
1323 tr > td
1324   &.random-0
1325     background-color: #FF5733
1326   &.random-1
1327     background-color: #2B63B4
1328   &.random-2
1329     background-color: #33B42B
1330
1331 @media screen and (max-width: 767px)
1332   h4
1333     margin: 5px 0
1334
1335 button#loadMoreBtn
1336   display: block
1337   margin: 0 auto
1338
1339 td.remove-preset
1340   background-color: lightgrey
1341   text-align: center
1342   & > img
1343     height: 1em
1344 </style>