client/src/views/Hall.vue

   1 <template lang="pug">
   2 main
   3   input#modalInfo.modal(type="checkbox")
   4   div#infoDiv(
   5     role="dialog"
   6     data-checkbox="modalInfo"
   7   )
   8     .card.text-center
   9       label.modal-close(for="modalInfo")
  10       p(v-html="infoMessage")
  11   input#modalAccept.modal(type="checkbox")
  12   div#acceptDiv(role="dialog")
  13     .card
  14       p.text-center
  15         span.variantName {{ curChallToAccept.vname }}
  16         span {{ curChallToAccept.cadence }}
  17         span {{ st.tr["with"] + " " + curChallToAccept.from.name }}
  18       .diagram(
  19         v-if="!!curChallToAccept.fen"
  20         v-html="tchallDiag"
  21       )
  22       .button-group#buttonsTchall(:style="tchallButtonsMargin()")
  23         button.acceptBtn(@click="decisionChallenge(true)")
  24           span {{ st.tr["Accept challenge?"] }}
  25         button.refuseBtn(@click="decisionChallenge(false)")
  26           span {{ st.tr["Refuse"] }}
  27   input#modalNewgame.modal(
  28     type="checkbox"
  29     @change="cadenceFocusIfOpened($event)"
  30   )
  31   div#newgameDiv(
  32     role="dialog"
  33     data-checkbox="modalNewgame"
  34   )
  35     .card
  36       label#closeNewgame.modal-close(for="modalNewgame")
  37       div(@keyup.enter="issueNewChallenge()")
  38         fieldset
  39           label(for="selectVariant") {{ st.tr["Variant"] }} *
  40           select#selectVariant(
  41             @change="loadNewchallVariant(trySetNewchallDiag)"
  42             v-model="newchallenge.vid"
  43           )
  44             option(
  45               v-for="v in st.variants"
  46               :value="v.id"
  47               :selected="newchallenge.vid==v.id"
  48             )
  49               | {{ v.name }}
  50         fieldset
  51           label(for="cadence") {{ st.tr["Cadence"] }} *
  52           div#predefinedCadences
  53             button(type="button") 15+5
  54             button(type="button") 45+30
  55             button(type="button") 3d
  56             button(type="button") 7d
  57           input#cadence(
  58             type="text"
  59             v-model="newchallenge.cadence"
  60             placeholder="5+0, 1h+30s, 5d ..."
  61           )
  62         fieldset
  63           label(for="selectRandomLevel") {{ st.tr["Randomness"] }} *
  64           select#selectRandomLevel(v-model="newchallenge.randomness")
  65             option(value="0") {{ st.tr["Deterministic"] }}
  66             option(value="1") {{ st.tr["Symmetric random"] }}
  67             option(value="2") {{ st.tr["Asymmetric random"] }}
  68         fieldset
  69           label(for="memorizeChall") {{ st.tr["Memorize"] }}
  70           input#memorizeChall(
  71             type="checkbox"
  72             v-model="newchallenge.memorize"
  73           )
  74         fieldset(v-if="st.user.id > 0")
  75           label(for="selectPlayers") {{ st.tr["Play with"] }}
  76           select#selectPlayersInList(v-model="newchallenge.to")
  77             option(value="")
  78             option(
  79               v-for="p in Object.values(people)"
  80               :value="p.name"
  81             )
  82               | {{ p.name }}
  83           input#selectPlayers(
  84             type="text"
  85             v-model="newchallenge.to"
  86           )
  87         fieldset(v-if="st.user.id > 0 && newchallenge.to.length > 0")
  88           input#inputFen(
  89             placeholder="FEN"
  90             @input="trySetNewchallDiag()"
  91             type="text"
  92             v-model="newchallenge.fen"
  93           )
  94         .diagram(v-html="newchallenge.diag")
  95       button(@click="issueNewChallenge()") {{ st.tr["Send challenge"] }}
  96   input#modalPeople.modal(
  97     type="checkbox"
  98     @click="resetSocialColor()"
  99   )
 100   div#peopleWrap(
 101     role="dialog"
 102     data-checkbox="modalPeople"
 103   )
 104     .card
 105       label.modal-close(for="modalPeople")
 106       #people
 107         #players
 108           p(
 109             v-for="sid in Object.keys(people)"
 110             v-if="!!people[sid].name"
 111           )
 112             span {{ people[sid].name }}
 113             button.player-action(
 114               v-if="isGamer(sid)"
 115               @click="watchGame(sid)"
 116             )
 117               | {{ st.tr["Observe"] }}
 118             button.player-action(
 119               v-else-if="isFocusedOnHall(sid)"
 120               @click="challenge(sid)"
 121             )
 122               | {{ st.tr["Challenge"] }}
 123           p.anonymous @nonymous ({{ anonymousCount }})
 124         #chat
 125           Chat(
 126             :newChat="newChat"
 127             @mychat="processChat"
 128             :pastChats="[]"
 129           )
 130         .clearer
 131   .row
 132     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
 133       .button-group
 134         button#peopleBtn(onClick="window.doClick('modalPeople')")
 135           | {{ st.tr["Who's there?"] }}
 136         button(@click="showNewchallengeForm()")
 137           | {{ st.tr["New game"] }}
 138   .row(v-if="presetChalls.length > 0")
 139     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
 140       h4.text-center {{ st.tr["Preset challenges"] }}
 141       table
 142         thead
 143           tr
 144             th {{ st.tr["Variant"] }}
 145             th {{ st.tr["Cadence"] }}
 146             th {{ st.tr["Random?"] }}
 147             th
 148         tbody
 149           tr(
 150             v-for="pc in presetChalls"
 151             @click="newChallFromPreset(pc)"
 152           )
 153             td {{ pc.vname }}
 154             td {{ pc.cadence }}
 155             td(:class="getRandomnessClass(pc)")
 156             td.remove-preset(@click="removePresetChall($event, pc)")
 157               img(src="/images/icons/delete.svg")
 158   .row
 159     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
 160       div#div2
 161         .button-group
 162           button.tabbtn#btnClive(@click="setDisplay('c','live',$event)")
 163             | {{ st.tr["Live challenges"] }}
 164           button.tabbtn#btnCcorr(@click="setDisplay('c','corr',$event)")
 165             | {{ st.tr["Correspondance challenges"] }}
 166         ChallengeList(
 167           v-show="cdisplay=='live'"
 168           :challenges="filterChallenges('live')"
 169           @click-challenge="clickChallenge"
 170         )
 171         ChallengeList(
 172           v-show="cdisplay=='corr'"
 173           :challenges="filterChallenges('corr')"
 174           @click-challenge="clickChallenge"
 175         )
 176       div#div3
 177         .button-group
 178           button.tabbtn#btnGlive(@click="setDisplay('g','live',$event)")
 179             | {{ st.tr["Live games"] }}
 180           button.tabbtn#btnGcorr(@click="setDisplay('g','corr',$event)")
 181             | {{ st.tr["Correspondance games"] }}
 182         GameList(
 183           v-show="gdisplay=='live'"
 184           :games="filterGames('live')"
 185           :showBoth="true"
 186           @show-game="showGame"
 187         )
 188         GameList(
 189           v-show="gdisplay=='corr'"
 190           :games="filterGames('corr')"
 191           :showBoth="true"
 192           @show-game="showGame"
 193         )
 194 </template>
 195
 196 <script>
 197 import { store } from "@/store";
 198 import { checkChallenge } from "@/data/challengeCheck";
 199 import { ArrayFun } from "@/utils/array";
 200 import { ajax } from "@/utils/ajax";
 201 import params from "@/parameters";
 202 import { getRandString, shuffle } from "@/utils/alea";
 203 import { getDiagram } from "@/utils/printDiagram";
 204 import Chat from "@/components/Chat.vue";
 205 import GameList from "@/components/GameList.vue";
 206 import ChallengeList from "@/components/ChallengeList.vue";
 207 import { GameStorage } from "@/utils/gameStorage";
 208 import { processModalClick } from "@/utils/modalClick";
 209 export default {
 210   name: "my-hall",
 211   components: {
 212     Chat,
 213     GameList,
 214     ChallengeList
 215   },
 216   data: function() {
 217     return {
 218       st: store.state,
 219       cdisplay: "live", //or corr
 220       gdisplay: "live",
 221       games: [],
 222       challenges: [],
 223       people: {},
 224       infoMessage: "",
 225       newchallenge: {
 226         fen: "",
 227         vid: parseInt(localStorage.getItem("vid")) || 0,
 228         to: "", //name of challenged player (if any)
 229         cadence: localStorage.getItem("cadence") || "",
 230         randomness: parseInt(localStorage.getItem("challRandomness")) || 2,
 231         // VariantRules object, stored to not interfere with
 232         // diagrams of targetted challenges:
 233         V: null,
 234         vname: "",
 235         diag: "", //visualizing FEN
 236         memorize: false //put settings in localStorage
 237       },
 238       tchallDiag: "",
 239       curChallToAccept: {from: {}},
 240       presetChalls: JSON.parse(localStorage.getItem("presetChalls") || "[]"),
 241       newChat: "",
 242       conn: null,
 243       connexionString: "",
 244       // Related to (killing of) self multi-connects:
 245       newConnect: {},
 246       killed: {}
 247     };
 248   },
 249   watch: {
 250     // st.variants changes only once, at loading from [] to [...]
 251     "st.variants": function() {
 252       // Set potential challenges and games variant names:
 253       this.challenges.concat(this.games).forEach(o => {
 254         if (!o.vname) o.vname = this.getVname(o.vid);
 255       });
 256       if (!this.newchallenge.V && this.newchallenge.vid > 0)
 257         this.loadNewchallVariant();
 258     }
 259   },
 260   computed: {
 261     anonymousCount: function() {
 262       let count = 0;
 263       Object.values(this.people).forEach(p => {
 264         // Do not cound people who did not send their identity yet:
 265         count += (!p.name && p.id === 0) ? 1 : 0;
 266       });
 267       return count;
 268     }
 269   },
 270   created: function() {
 271     if (this.st.variants.length > 0 && this.newchallenge.vid > 0)
 272       this.loadNewchallVariant();
 273     const my = this.st.user;
 274     this.$set(
 275       this.people,
 276       my.sid,
 277       {
 278         id: my.id,
 279         name: my.name,
 280         pages: [{ path: "/", focus: true }]
 281       }
 282     );
 283     const connectAndPoll = () => {
 284       this.send("connect");
 285       this.send("pollclientsandgamers");
 286     };
 287     // Initialize connection
 288     this.connexionString =
 289       params.socketUrl +
 290       "/?sid=" +
 291       this.st.user.sid +
 292       "&id=" +
 293       this.st.user.id +
 294       "&tmpId=" +
 295       getRandString() +
 296       "&page=" +
 297       // Hall: path is "/" (could be hard-coded as well)
 298       encodeURIComponent(this.$route.path);
 299     this.conn = new WebSocket(this.connexionString);
 300     this.conn.onopen = connectAndPoll;
 301     this.conn.onmessage = this.socketMessageListener;
 302     this.conn.onclose = this.socketCloseListener;
 303   },
 304   mounted: function() {
 305     document.addEventListener('visibilitychange', this.visibilityChange);
 306     ["peopleWrap", "infoDiv", "newgameDiv"].forEach(eltName => {
 307       document.getElementById(eltName)
 308         .addEventListener("click", processModalClick);
 309     });
 310     document.querySelectorAll("#predefinedCadences > button").forEach(b => {
 311       b.addEventListener("click", () => {
 312         this.newchallenge.cadence = b.innerHTML;
 313       });
 314     });
 315     const dispCorr = this.$route.query["disp"];
 316     const showCtype =
 317       dispCorr || localStorage.getItem("type-challenges") || "live";
 318     const showGtype =
 319       dispCorr || localStorage.getItem("type-games") || "live";
 320     this.setDisplay('c', showCtype);
 321     this.setDisplay('g', showGtype);
 322     // Ask server for current corr games (all but mines)
 323     ajax(
 324       "/games",
 325       "GET",
 326       {
 327         data: { uid: this.st.user.id, excluded: true },
 328         success: (response) => {
 329           if (
 330             response.games.length > 0 &&
 331             this.games.length == 0 &&
 332             this.gdisplay == "live"
 333           ) {
 334             document
 335               .getElementById("btnGcorr")
 336               .classList.add("somethingnew");
 337           }
 338           this.games = this.games.concat(
 339             response.games.map(g => {
 340               const type = this.classifyObject(g);
 341               const vname = this.getVname(g.vid);
 342               return Object.assign(
 343                 {},
 344                 g,
 345                 {
 346                   type: type,
 347                   vname: vname
 348                 }
 349               );
 350             })
 351           );
 352         }
 353       }
 354     );
 355     // Also ask for corr challenges (open + sent by/to me)
 356     ajax(
 357       "/challenges",
 358       "GET",
 359       {
 360         data: { uid: this.st.user.id },
 361         success: (response) => {
 362           if (
 363             response.challenges.length > 0 &&
 364             this.challenges.length == 0 &&
 365             this.cdisplay == "live"
 366           ) {
 367             document
 368               .getElementById("btnCcorr")
 369               .classList.add("somethingnew");
 370           }
 371           // Gather all senders names, and then retrieve full identity:
 372           // (TODO [perf]: some might be online...)
 373           let names = {};
 374           response.challenges.forEach(c => {
 375             if (c.uid != this.st.user.id) names[c.uid] = "";
 376             else if (!!c.target && c.target != this.st.user.id)
 377               names[c.target] = "";
 378           });
 379           const addChallenges = () => {
 380             names[this.st.user.id] = this.st.user.name; //in case of
 381             this.challenges = this.challenges.concat(
 382               response.challenges.map(c => {
 383                 const from = { name: names[c.uid], id: c.uid }; //or just name
 384                 const type = this.classifyObject(c);
 385                 const vname = this.getVname(c.vid);
 386                 return Object.assign(
 387                   {},
 388                   {
 389                     type: type,
 390                     vname: vname,
 391                     from: from,
 392                     to: c.target ? names[c.target] : ""
 393                   },
 394                   c
 395                 );
 396               })
 397             );
 398           };
 399           if (Object.keys(names).length > 0) {
 400             ajax(
 401               "/users",
 402               "GET",
 403               {
 404                 data: { ids: Object.keys(names).join(",") },
 405                 success: (response2) => {
 406                   response2.users.forEach(u => {
 407                     names[u.id] = u.name;
 408                   });
 409                   addChallenges();
 410                 }
 411               }
 412             );
 413           } else addChallenges();
 414         }
 415       }
 416     );
 417   },
 418   beforeDestroy: function() {
 419     document.removeEventListener('visibilitychange', this.visibilityChange);
 420     this.send("disconnect");
 421   },
 422   methods: {
 423     getRandomnessClass: function(pc) {
 424       return {
 425         ["random-" + pc.randomness]: true
 426       };
 427     },
 428     visibilityChange: function() {
 429       // TODO: Use document.hidden? https://webplatform.news/issues/2019-03-27
 430       this.send(
 431         document.visibilityState == "visible"
 432           ? "getfocus"
 433           : "losefocus"
 434       );
 435     },
 436     partialResetNewchallenge: function() {
 437       // Reset potential target and custom FEN:
 438       this.newchallenge.to = "";
 439       this.newchallenge.fen = "";
 440       this.newchallenge.diag = "";
 441       this.newchallenge.memorize = false;
 442     },
 443     showNewchallengeForm: function() {
 444       this.partialResetNewchallenge();
 445       window.doClick("modalNewgame");
 446     },
 447     addPresetChall: function(chall) {
 448       // Add only if not already existing:
 449       if (this.presetChalls.some(c =>
 450         c.vid == chall.vid &&
 451         c.cadence == chall.cadence &&
 452         c.randomness == chall.randomness
 453       )) {
 454         return;
 455       }
 456       const L = this.presetChalls.length;
 457       this.presetChalls.push({
 458         index: L,
 459         vid: chall.vid,
 460         vname: chall.vname, //redundant, but easier
 461         cadence: chall.cadence,
 462         randomness: chall.randomness
 463       });
 464       localStorage.setItem("presetChalls", JSON.stringify(this.presetChalls));
 465     },
 466     removePresetChall: function(e, pchall) {
 467       e.stopPropagation();
 468       const pchallIdx = this.presetChalls.findIndex(pc => pc.index == pchall.index);
 469       this.presetChalls.splice(pchallIdx, 1);
 470       localStorage.setItem("presetChalls", JSON.stringify(this.presetChalls));
 471     },
 472     tchallButtonsMargin: function() {
 473       if (!!this.curChallToAccept.fen) return { "margin-top": "10px" };
 474       return {};
 475     },
 476     cadenceFocusIfOpened: function() {
 477       if (event.target.checked)
 478         document.getElementById("cadence").focus();
 479     },
 480     send: function(code, obj) {
 481       if (!!this.conn) {
 482         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 483       }
 484     },
 485     getVname: function(vid) {
 486       const variant = this.st.variants.find(v => v.id == vid);
 487       // this.st.variants might be uninitialized (variant == null)
 488       return variant ? variant.name : "";
 489     },
 490     filterChallenges: function(type) {
 491       return this.challenges.filter(c => c.type == type);
 492     },
 493     filterGames: function(type) {
 494       return this.games.filter(g => g.type == type);
 495     },
 496     classifyObject: function(o) {
 497       // o: challenge or game
 498       return o.cadence.indexOf("d") === -1 ? "live" : "corr";
 499     },
 500     setDisplay: function(letter, type, e) {
 501       this[letter + "display"] = type;
 502       localStorage.setItem(
 503         "type-" + (letter == "c" ? "challenges" : "games"),
 504         type
 505       );
 506       let elt = e
 507         ? e.target
 508         : document.getElementById("btn" + letter.toUpperCase() + type);
 509       elt.classList.add("active");
 510       elt.classList.remove("somethingnew"); //in case of
 511       if (!!elt.previousElementSibling)
 512         elt.previousElementSibling.classList.remove("active");
 513       else elt.nextElementSibling.classList.remove("active");
 514     },
 515     isGamer: function(sid) {
 516       return this.people[sid].pages
 517         .some(p => p.focus && p.path.indexOf("/game/") >= 0);
 518     },
 519     isFocusedOnHall: function(sid) {
 520       return (
 521         // This is meant to challenge people, thus the next 2 conditions:
 522         this.st.user.id > 0 &&
 523         sid != this.st.user.sid &&
 524         this.people[sid].pages.some(p => p.path == "/" && p.focus)
 525       );
 526     },
 527     challenge: function(sid) {
 528       this.partialResetNewchallenge();
 529       // Available, in Hall
 530       this.newchallenge.to = this.people[sid].name;
 531       // TODO: also store target sid to not re-search for it
 532       document.getElementById("modalPeople").checked = false;
 533       window.doClick("modalNewgame");
 534     },
 535     watchGame: function(sid) {
 536       // In some game, maybe playing maybe not: show a random one
 537       let gids = [];
 538       this.people[sid].pages.forEach(p => {
 539         if (p.focus) {
 540           const matchGid = p.path.match(/[a-zA-Z0-9]+$/);
 541           if (!!matchGid) gids.push(matchGid[0]);
 542         }
 543       });
 544       const gid = gids[Math.floor(Math.random() * gids.length)];
 545       const game = this.games.find(g => g.id == gid);
 546       if (!!game) this.showGame(game);
 547       else this.$router.push("/game/" + gid); //game vs. me
 548     },
 549     showGame: function(g) {
 550       // NOTE: we are an observer, since only games I don't play are shown here
 551       // ==> Moves sent by connected remote player(s) if live game
 552       let url = "/game/" + g.id;
 553       if (g.type == "live")
 554         url += "?rid=" + g.rids[Math.floor(Math.random() * g.rids.length)];
 555       this.$router.push(url);
 556     },
 557     resetSocialColor: function() {
 558       // TODO: this is called twice, once on opening an once on closing
 559       document.getElementById("peopleBtn").classList.remove("somethingnew");
 560     },
 561     processChat: function(chat) {
 562       this.send("newchat", { data: chat });
 563     },
 564     getOppsid: function(c) {
 565       let oppsid = c.from.sid; //may not be defined if corr + offline opp
 566       if (!oppsid) {
 567         oppsid = Object.keys(this.people).find(
 568           sid => this.people[sid].id == c.from.id
 569         );
 570       }
 571       return oppsid;
 572     },
 573     // Messaging center:
 574     socketMessageListener: function(msg) {
 575       if (!this.conn) return;
 576       const data = JSON.parse(msg.data);
 577       switch (data.code) {
 578         case "pollclientsandgamers": {
 579           // Since people can be both in Hall and Game,
 580           // need to track "askIdentity" requests:
 581           let identityAsked = {};
 582           data.sockIds.forEach(s => {
 583             const page = s.page || "/";
 584             if (s.sid != this.st.user.sid && !identityAsked[s.sid]) {
 585               this.send("askidentity", { target: s.sid, page: page });
 586               identityAsked[s.sid] = true;
 587             }
 588             if (!this.people[s.sid]) {
 589               // Do not set name or id: identity unknown yet
 590               this.people[s.sid] = { pages: [{path: page, focus: true}] };
 591             }
 592             else if (!(this.people[s.sid].pages.find(p => p.path == page)))
 593               this.people[s.sid].pages.push({ path: page, focus: true });
 594             if (!s.page)
 595               // Peer is in Hall
 596               this.send("askchallenges", { target: s.sid });
 597             // Peer is in Game
 598             else this.send("askgame", { target: s.sid, page: page });
 599           });
 600           break;
 601         }
 602         case "connect":
 603         case "gconnect": {
 604           const page = data.page || "/";
 605           // Only ask game / challenges if first connexion:
 606           if (!this.people[data.from]) {
 607             this.people[data.from] = { pages: [{ path: page, focus: true }] };
 608             if (data.code == "connect")
 609               this.send("askchallenges", { target: data.from });
 610             else this.send("askgame", { target: data.from, page: page });
 611           } else {
 612             // Append page if not already in list
 613             if (!(this.people[data.from].pages.find(p => p.path == page)))
 614               this.people[data.from].pages.push({ path: page, focus: true });
 615           }
 616           if (!this.people[data.from].name && this.people[data.from].id !== 0) {
 617             // Identity not known yet
 618             this.newConnect[data.from] = true; //for self multi-connects tests
 619             this.send("askidentity", { target: data.from, page: page });
 620           }
 621           break;
 622         }
 623         case "disconnect":
 624         case "gdisconnect": {
 625           // If the user reloads the page twice very quickly (experienced with Firefox),
 626           // the first reload won't have time to connect but will trigger a "close" event anyway.
 627           // ==> Next check is required.
 628           if (!this.people[data.from]) return;
 629           // Disconnect means no more tmpIds:
 630           if (data.code == "disconnect") {
 631             // Remove the live challenges sent by this player:
 632             ArrayFun.remove(
 633               this.challenges,
 634               c => c.type == "live" && c.from.sid == data.from,
 635               "all"
 636             );
 637           } else {
 638             // Remove the matching live game if now unreachable
 639             const gid = data.page.match(/[a-zA-Z0-9]+$/)[0];
 640             const gidx = this.games.findIndex(g => g.id == gid);
 641             if (gidx >= 0) {
 642               const game = this.games[gidx];
 643               if (
 644                 game.type == "live" &&
 645                 game.rids.length == 1 &&
 646                 game.rids[0] == data.from
 647               ) {
 648                 this.games.splice(gidx, 1);
 649               }
 650             }
 651           }
 652           const page = data.page || "/";
 653           ArrayFun.remove(this.people[data.from].pages, p => p.path == page);
 654           if (this.people[data.from].pages.length == 0)
 655             this.$delete(this.people, data.from);
 656           break;
 657         }
 658         case "getfocus":
 659           // If user reload a page, focus may arrive earlier than connect
 660           if (!!this.people[data.from]) {
 661             this.people[data.from].pages
 662               .find(p => p.path == data.page).focus = true;
 663             this.$forceUpdate(); //TODO: shouldn't be required
 664           }
 665           break;
 666         case "losefocus":
 667           if (!!this.people[data.from]) {
 668             this.people[data.from].pages
 669               .find(p => p.path == data.page).focus = false;
 670             this.$forceUpdate(); //TODO: shouldn't be required
 671           }
 672           break;
 673         case "killed":
 674           // I logged in elsewhere:
 675           this.conn = null;
 676           alert(this.st.tr["New connexion detected: tab now offline"]);
 677           break;
 678         case "askidentity": {
 679           // Request for identification (TODO: anonymous shouldn't need to reply)
 680           const me = {
 681             // Decompose to avoid revealing email
 682             name: this.st.user.name,
 683             sid: this.st.user.sid,
 684             id: this.st.user.id
 685           };
 686           this.send("identity", { data: me, target: data.from });
 687           break;
 688         }
 689         case "identity": {
 690           const user = data.data;
 691           let player = this.people[user.sid];
 692           // player.pages is already set
 693           player.id = user.id;
 694           player.name = user.name;
 695           // TODO: this.$set(people, ...) fails. So forceUpdate.
 696           //       But this shouldn't be like that!
 697           this.$forceUpdate();
 698           // If I multi-connect, kill current connexion if no mark (I'm older)
 699           if (this.newConnect[user.sid]) {
 700             if (
 701               user.id > 0 &&
 702               user.id == this.st.user.id &&
 703               user.sid != this.st.user.sid &&
 704               !this.killed[this.st.user.sid]
 705             ) {
 706                 this.send("killme", { sid: this.st.user.sid });
 707                 this.killed[this.st.user.sid] = true;
 708             }
 709             delete this.newConnect[user.sid];
 710           }
 711           break;
 712         }
 713         case "askchallenges": {
 714           // Send my current live challenges (if any)
 715           const myChallenges = this.challenges
 716             .filter(c =>
 717               c.from.sid == this.st.user.sid && c.type == "live"
 718             )
 719             .map(c => {
 720               // NOTE: in principle, should only send targeted challenge to the target.
 721               // But we may not know yet the identity of the target (just name),
 722               // so cannot decide if data.from is the target or not.
 723               return {
 724                 id: c.id,
 725                 from: this.st.user.sid,
 726                 to: c.to,
 727                 randomness: c.randomness,
 728                 fen: c.fen,
 729                 vid: c.vid,
 730                 cadence: c.cadence,
 731                 added: c.added
 732               };
 733             });
 734           if (myChallenges.length > 0)
 735             this.send("challenges", { data: myChallenges, target: data.from });
 736           break;
 737         }
 738         case "challenges": //after "askchallenges"
 739           data.data.forEach(this.addChallenge);
 740           break;
 741         case "newchallenge":
 742           this.addChallenge(data.data);
 743           break;
 744         case "refusechallenge": {
 745           const cid = data.data;
 746           ArrayFun.remove(this.challenges, c => c.id == cid);
 747           alert(this.st.tr["Challenge declined"]);
 748           break;
 749         }
 750         case "deletechallenge_s": {
 751           // NOTE: the challenge(s) may be already removed
 752           const cref = data.data;
 753           if (!!cref.cid) ArrayFun.remove(this.challenges, c => c.id == cref.cid);
 754           else if (!!cref.sids) {
 755             cref.sids.forEach(s => {
 756               ArrayFun.remove(
 757                 this.challenges,
 758                 c => c.type == "live" && c.from.sid == s,
 759                 "all"
 760               );
 761             });
 762           }
 763           break;
 764         }
 765         case "game": //individual request
 766         case "newgame": {
 767           const game = data.data;
 768           // Ignore games where I play (will go in MyGames page)
 769           if (game.players.every(p =>
 770             p.sid != this.st.user.sid || p.uid != this.st.user.id))
 771           {
 772             let locGame = this.games.find(g => g.id == game.id);
 773             if (!locGame) {
 774               let newGame = game;
 775               newGame.type = this.classifyObject(game);
 776               newGame.vname = this.getVname(game.vid);
 777               if (!game.score)
 778                 // New game from Hall
 779                 newGame.score = "*";
 780               newGame.rids = [game.rid];
 781               delete newGame["rid"];
 782               this.games.push(newGame);
 783               if (
 784                 (newGame.type == "live" && this.gdisplay == "corr") ||
 785                 (newGame.type == "corr" && this.gdisplay == "live")
 786               ) {
 787                 document
 788                   .getElementById("btnG" + newGame.type)
 789                   .classList.add("somethingnew");
 790               }
 791             } else {
 792               // Append rid (if not already in list)
 793               if (!locGame.rids.includes(game.rid)) locGame.rids.push(game.rid);
 794             }
 795           }
 796           break;
 797         }
 798         case "result": {
 799           let g = this.games.find(g => g.id == data.gid);
 800           if (!!g) g.score = data.score;
 801           break;
 802         }
 803         case "startgame": {
 804           // New game just started, I'm involved
 805           const gameInfo = data.data;
 806           if (this.classifyObject(gameInfo) == "live")
 807             this.startNewGame(gameInfo);
 808           else {
 809             this.infoMessage =
 810               this.st.tr["New correspondance game:"] +
 811               " <a href='#/game/" +
 812               gameInfo.id +
 813               "'>" +
 814               "#/game/" +
 815               gameInfo.id +
 816               "</a>";
 817             document.getElementById("modalInfo").checked = true;
 818           }
 819           break;
 820         }
 821         case "newchat":
 822           this.newChat = data.data;
 823           if (!document.getElementById("modalPeople").checked)
 824             document.getElementById("peopleBtn").classList.add("somethingnew");
 825           break;
 826       }
 827     },
 828     socketCloseListener: function() {
 829       if (!this.conn) return;
 830       this.conn = new WebSocket(this.connexionString);
 831       this.conn.addEventListener("message", this.socketMessageListener);
 832       this.conn.addEventListener("close", this.socketCloseListener);
 833     },
 834     // Challenge lifecycle:
 835     addChallenge: function(chall) {
 836       // NOTE about next condition: see "askchallenges" case.
 837       if (
 838         !chall.to ||
 839         (this.people[chall.from].id > 0 &&
 840           (chall.from == this.st.user.sid || chall.to == this.st.user.name))
 841       ) {
 842         let newChall = Object.assign({}, chall);
 843         newChall.type = this.classifyObject(chall);
 844         newChall.randomness = chall.randomness;
 845         newChall.added = Date.now();
 846         let fromValues = Object.assign({}, this.people[chall.from]);
 847         delete fromValues["pages"]; //irrelevant in this context
 848         newChall.from = Object.assign({ sid: chall.from }, fromValues);
 849         newChall.vname = this.getVname(newChall.vid);
 850         this.challenges.push(newChall);
 851         if (
 852           (newChall.type == "live" && this.cdisplay == "corr") ||
 853           (newChall.type == "corr" && this.cdisplay == "live")
 854         ) {
 855           document
 856             .getElementById("btnC" + newChall.type)
 857             .classList.add("somethingnew");
 858         }
 859       }
 860     },
 861     loadNewchallVariant: async function(cb) {
 862       const vname = this.getVname(this.newchallenge.vid);
 863       const vModule = await import("@/variants/" + vname + ".js");
 864       this.newchallenge.V = vModule.VariantRules;
 865       this.newchallenge.vname = vname;
 866       if (!!cb) cb();
 867     },
 868     trySetNewchallDiag: function() {
 869       if (!this.newchallenge.fen) {
 870         this.newchallenge.diag = "";
 871         return;
 872       }
 873       // If vid > 0 then the variant is loaded (function above):
 874       window.V = this.newchallenge.V;
 875       if (
 876         this.newchallenge.vid > 0 &&
 877         !!this.newchallenge.fen &&
 878         V.IsGoodFen(this.newchallenge.fen)
 879       ) {
 880         const parsedFen = V.ParseFen(this.newchallenge.fen);
 881         this.newchallenge.diag = getDiagram({
 882           position: parsedFen.position,
 883           orientation: parsedFen.turn
 884         });
 885       }
 886     },
 887     newChallFromPreset(pchall) {
 888       this.partialResetNewchallenge();
 889       this.newchallenge.vid = pchall.vid;
 890       this.newchallenge.cadence = pchall.cadence;
 891       this.newchallenge.randomness = pchall.randomness;
 892       this.loadNewchallVariant(this.issueNewChallenge);
 893     },
 894     issueNewChallenge: async function() {
 895       if (!!(this.newchallenge.cadence.match(/^[0-9]+$/)))
 896         this.newchallenge.cadence += "+0"; //assume minutes, no increment
 897       const ctype = this.classifyObject(this.newchallenge);
 898       // TODO: cadence still unchecked so ctype could be wrong...
 899       let error = "";
 900       if (!this.newchallenge.vid)
 901         error = this.st.tr["Please select a variant"];
 902       else if (ctype == "corr" && this.st.user.id <= 0)
 903         error = this.st.tr["Please log in to play correspondance games"];
 904       else if (!!this.newchallenge.to) {
 905         if (this.newchallenge.to == this.st.user.name)
 906           error = this.st.tr["Self-challenge is forbidden"];
 907         else if (
 908           ctype == "live" &&
 909           Object.values(this.people).every(p => p.name != this.newchallenge.to)
 910         )
 911           error = this.newchallenge.to + " " + this.st.tr["is not online"];
 912       }
 913       if (error) {
 914         alert(error);
 915         return;
 916       }
 917       window.V = this.newchallenge.V;
 918       error = checkChallenge(this.newchallenge);
 919       if (error) {
 920         alert(error);
 921         return;
 922       }
 923       // NOTE: "from" information is not required here
 924       let chall = Object.assign({}, this.newchallenge);
 925       // Add only if not already issued (not counting target or FEN):
 926       if (this.challenges.some(c =>
 927         (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id) &&
 928         c.vid == chall.vid &&
 929         c.cadence == chall.cadence &&
 930         c.randomness == chall.randomness
 931       )) {
 932         alert(this.st.tr["Challenge already exists"]);
 933         return;
 934       }
 935       if (this.newchallenge.memorize) this.addPresetChall(this.newchallenge);
 936       delete chall["V"];
 937       delete chall["diag"];
 938       const finishAddChallenge = cid => {
 939         chall.id = cid || "c" + getRandString();
 940         const MAX_ALLOWED_CHALLS = 3;
 941         // Remove oldest challenge if 3 found: only 3 at a time of a given type
 942         let countMyChalls = 0;
 943         let challToDelIdx = 0;
 944         let oldestAdded = Number.MAX_SAFE_INTEGER;
 945         for (let i=0; i<this.challenges.length; i++) {
 946           const c = this.challenges[i];
 947           if (
 948             c.type == ctype &&
 949             (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id)
 950           ) {
 951             countMyChalls++;
 952             if (c.added < oldestAdded) {
 953               challToDelIdx = i;
 954               oldestAdded = c.added;
 955             }
 956           }
 957         }
 958         if (countMyChalls >= MAX_ALLOWED_CHALLS) {
 959           this.send(
 960             "deletechallenge_s",
 961             { data: { cid: this.challenges[challToDelIdx].id } }
 962           );
 963           if (ctype == "corr") {
 964             ajax(
 965               "/challenges",
 966               "DELETE",
 967               { data: { id: this.challenges[challToDelIdx].id } }
 968             );
 969           }
 970           this.challenges.splice(challToDelIdx, 1);
 971         }
 972         this.send("newchallenge", {
 973           data: Object.assign({ from: this.st.user.sid }, chall)
 974         });
 975         // Add new challenge:
 976         chall.from = {
 977           // Decompose to avoid revealing email
 978           sid: this.st.user.sid,
 979           id: this.st.user.id,
 980           name: this.st.user.name
 981         };
 982         chall.added = Date.now();
 983         // NOTE: vname and type are redundant (can be deduced from cadence + vid)
 984         chall.type = ctype;
 985         chall.vname = this.newchallenge.vname;
 986         this.challenges.push(chall);
 987         // Remember cadence  + vid for quicker further challenges:
 988         localStorage.setItem("cadence", chall.cadence);
 989         localStorage.setItem("vid", chall.vid);
 990         localStorage.setItem("challRandomness", chall.randomness);
 991         document.getElementById("modalNewgame").checked = false;
 992         // Show the challenge if not on current display
 993         if (
 994           (ctype == "live" && this.cdisplay == "corr") ||
 995           (ctype == "corr" && this.cdisplay == "live")
 996         ) {
 997           this.setDisplay('c', ctype);
 998         }
 999       };
1000       if (ctype == "live") {
1001         // Live challenges have a random ID
1002         finishAddChallenge(null);
1003       } else {
1004         // Correspondance game: send challenge to server
1005         ajax(
1006           "/challenges",
1007           "POST",
1008           {
1009             data: { chall: chall },
1010             success: (response) => {
1011               finishAddChallenge(response.cid);
1012             }
1013           }
1014         );
1015       }
1016     },
1017     // Callback function after a diagram was showed to accept
1018     // or refuse targetted challenge:
1019     decisionChallenge: function(accepted) {
1020       this.curChallToAccept.accepted = accepted;
1021       this.finishProcessingChallenge(this.curChallToAccept);
1022       document.getElementById("modalAccept").checked = false;
1023     },
1024     finishProcessingChallenge: function(c) {
1025       if (c.accepted) {
1026         c.seat = {
1027           // Again, avoid c.seat = st.user to not reveal email
1028           sid: this.st.user.sid,
1029           id: this.st.user.id,
1030           name: this.st.user.name
1031         };
1032         this.launchGame(c);
1033         if (c.type == "live")
1034           // Remove all live challenges of both players
1035           this.send("deletechallenge_s", { data: { sids: [c.from.sid, c.seat.sid] } });
1036         else
1037           // Corr challenge: just remove the challenge
1038           this.send("deletechallenge_s", { data: { cid: c.id } });
1039       } else {
1040         const oppsid = this.getOppsid(c);
1041         if (!!oppsid)
1042           this.send("refusechallenge", { data: c.id, target: oppsid });
1043         if (c.type == "corr") {
1044           ajax(
1045             "/challenges",
1046             "DELETE",
1047             { data: { id: c.id } }
1048           );
1049         }
1050         this.send("deletechallenge_s", { data: { cid: c.id } });
1051       }
1052     },
1053     // TODO: if several players click same challenge at the same time: problem
1054     clickChallenge: async function(c) {
1055       const myChallenge =
1056         c.from.sid == this.st.user.sid || //live
1057         (this.st.user.id > 0 && c.from.id == this.st.user.id); //corr
1058       if (!myChallenge) {
1059         if (c.type == "corr" && this.st.user.id <= 0) {
1060           alert(this.st.tr["Please log in to accept corr challenges"]);
1061           return;
1062         }
1063         c.accepted = true;
1064         const vModule = await import("@/variants/" + c.vname + ".js");
1065         window.V = vModule.VariantRules;
1066         if (!!c.to) {
1067           // c.to == this.st.user.name (connected)
1068           if (!!c.fen) {
1069             const parsedFen = V.ParseFen(c.fen);
1070             c.mycolor = V.GetOppCol(parsedFen.turn);
1071             this.tchallDiag = getDiagram({
1072               position: parsedFen.position,
1073               orientation: c.mycolor
1074             });
1075           }
1076           this.curChallToAccept = c;
1077           document.getElementById("modalAccept").checked = true;
1078         }
1079         else this.finishProcessingChallenge(c);
1080       }
1081       else {
1082         // My challenge
1083         if (c.type == "corr") {
1084           ajax(
1085             "/challenges",
1086             "DELETE",
1087             { data: { id: c.id } }
1088           );
1089         }
1090         this.send("deletechallenge_s", { data: { cid: c.id } });
1091       }
1092       // In all cases, the challenge is consumed:
1093       ArrayFun.remove(this.challenges, ch => ch.id == c.id);
1094     },
1095     // NOTE: when launching game, the challenge is already being deleted
1096     launchGame: function(c) {
1097       let players =
1098         !!c.mycolor
1099           ? (c.mycolor == "w" ? [c.seat, c.from] : [c.from, c.seat])
1100           : shuffle([c.from, c.seat]);
1101       // Convention for players IDs in stored games is 'uid'
1102       players.forEach(p => {
1103         let pWithUid = p;
1104         pWithUid["uid"] = p.id;
1105         delete pWithUid["id"];
1106       });
1107       // These game informations will be shared
1108       let gameInfo = {
1109         id: getRandString(),
1110         fen: c.fen || V.GenRandInitFen(c.randomness),
1111         // White player index 0, black player index 1:
1112         players: c.mycolor
1113           ? (c.mycolor == "w" ? [c.seat, c.from] : [c.from, c.seat])
1114           : shuffle([c.from, c.seat]),
1115         vid: c.vid,
1116         cadence: c.cadence
1117       };
1118       const notifyNewgame = () => {
1119         const oppsid = this.getOppsid(c);
1120         if (!!oppsid)
1121           // Opponent is online
1122           this.send("startgame", { data: gameInfo, target: oppsid });
1123         // Send game info (only if live) to everyone except me and opponent
1124         // TODO: this double message send could be avoided.
1125         this.send("newgame", { data: gameInfo, oppsid: oppsid });
1126         // Also to MyGames page:
1127         this.send(
1128           "notifynewgame",
1129           {
1130             data: gameInfo,
1131             targets: gameInfo.players.map(p => {
1132               return { sid: p.sid, uid: p.uid };
1133             })
1134           }
1135         );
1136       };
1137       if (c.type == "live") {
1138         notifyNewgame();
1139         this.startNewGame(gameInfo);
1140       } else {
1141         // corr: game only on server
1142         ajax(
1143           "/games",
1144           "POST",
1145           {
1146             // cid is useful to delete the challenge:
1147             data: { gameInfo: gameInfo, cid: c.id },
1148             success: (response) => {
1149               gameInfo.id = response.gameId;
1150               notifyNewgame();
1151               this.$router.push("/game/" + response.gameId);
1152             }
1153           }
1154         );
1155       }
1156     },
1157     // NOTE: for live games only (corr games start on the server)
1158     startNewGame: function(gameInfo) {
1159       const game = Object.assign(
1160         {},
1161         gameInfo,
1162         {
1163           // (other) Game infos: constant
1164           fenStart: gameInfo.fen,
1165           vname: this.getVname(gameInfo.vid),
1166           created: Date.now(),
1167           // Game state (including FEN): will be updated
1168           moves: [],
1169           clocks: [-1, -1], //-1 = unstarted
1170           initime: [0, 0], //initialized later
1171           score: "*"
1172         }
1173       );
1174       setTimeout(
1175         () => {
1176           GameStorage.add(game, (err) => {
1177             // If an error occurred, game is not added: a tab already
1178             // added the game and (if focused) is redirected toward it.
1179             // If no error and the tab is hidden: do not show anything.
1180             if (!err && !document.hidden) {
1181               if (this.st.settings.sound)
1182                 new Audio("/sounds/newgame.flac").play().catch(() => {});
1183               this.$router.push("/game/" + gameInfo.id);
1184             }
1185           });
1186         },
1187         document.hidden ? 500 + 1000 * Math.random() : 0
1188       );
1189     }
1190   }
1191 };
1192 </script>
1193
1194 <style lang="sass" scoped>
1195 .active
1196   color: #42a983
1197
1198 #infoDiv > .card
1199   padding: 15px 0
1200   max-width: 430px
1201
1202 #newgameDiv > .card, #acceptDiv > .card
1203   max-width: 767px
1204   max-height: 100%
1205
1206 div#peopleWrap > .card
1207   max-height: 100%
1208
1209 @media screen and (min-width: 1281px)
1210   div#peopleWrap > .card
1211     max-width: 66.67%
1212
1213 @media screen and (max-width: 1280px)
1214   div#peopleWrap > .card
1215     max-width: 83.33%
1216
1217 @media screen and (max-width: 767px)
1218   div#peopleWrap > .card
1219     max-width: 100%
1220
1221 #players
1222   width: 50%
1223   position: relative
1224   float: left
1225
1226 #chat
1227   width: 50%
1228   float: left
1229   position: relative
1230
1231 @media screen and (max-width: 767px)
1232   #players, #chats
1233     width: 100%
1234
1235 #chat > .card
1236   max-width: 100%
1237   margin: 0;
1238   border: none;
1239
1240 #players > p
1241   margin-left: 5px
1242
1243 .anonymous
1244   font-style: italic
1245
1246 button.player-action
1247   margin-left: 32px
1248
1249 .somethingnew
1250   background-color: #c5fefe !important
1251
1252 .tabbtn
1253   background-color: #f9faee
1254
1255 button.acceptBtn
1256   background-color: lightgreen
1257 button.refuseBtn
1258   background-color: red
1259
1260 #buttonsTchall
1261   // margin-top set dynamically (depends if diagram showed or not)
1262   & > button > span
1263     width: 100%
1264     text-align: center
1265
1266 .variantName
1267   font-weight: bold
1268
1269 .diagram
1270   margin: 0 auto
1271   max-width: 400px
1272   // width: 100% required for Firefox
1273   width: 100%
1274
1275 #inputFen
1276   width: 100%
1277
1278 #div2, #div3
1279   margin-top: 15px
1280 @media screen and (max-width: 767px)
1281   #div2, #div3
1282     margin-top: 0
1283
1284 tr > td
1285   &.random-0
1286     background-color: #FF5733
1287   &.random-1
1288     background-color: #2B63B4
1289   &.random-2
1290     background-color: #33B42B
1291
1292 @media screen and (max-width: 767px)
1293   h4
1294     margin: 5px 0
1295
1296 td.remove-preset
1297   background-color: lightgrey
1298   text-align: center
1299   & > img
1300     height: 1em
1301 </style>