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