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     // Ask server for current corr games (all but mines)
 284     ajax(
 285       "/games",
 286       "GET",
 287       {
 288         data: { uid: this.st.user.id, excluded: true },
 289         success: (response) => {
 290           this.games = this.games.concat(
 291             response.games.map(g => {
 292               const type = this.classifyObject(g);
 293               const vname = this.getVname(g.vid);
 294               return Object.assign(
 295                 {},
 296                 g,
 297                 {
 298                   type: type,
 299                   vname: vname
 300                 }
 301               );
 302             })
 303           );
 304         }
 305       }
 306     );
 307     // Also ask for corr challenges (open + sent by/to me)
 308     ajax(
 309       "/challenges",
 310       "GET",
 311       {
 312         data: { uid: this.st.user.id },
 313         success: (response) => {
 314           // Gather all senders names, and then retrieve full identity:
 315           // (TODO [perf]: some might be online...)
 316           let names = {};
 317           response.challenges.forEach(c => {
 318             if (c.uid != this.st.user.id) names[c.uid] = "";
 319             else if (!!c.target && c.target != this.st.user.id)
 320               names[c.target] = "";
 321           });
 322           const addChallenges = () => {
 323             names[this.st.user.id] = this.st.user.name; //in case of
 324             this.challenges = this.challenges.concat(
 325               response.challenges.map(c => {
 326                 const from = { name: names[c.uid], id: c.uid }; //or just name
 327                 const type = this.classifyObject(c);
 328                 const vname = this.getVname(c.vid);
 329                 return Object.assign(
 330                   {},
 331                   {
 332                     type: type,
 333                     vname: vname,
 334                     from: from,
 335                     to: c.target ? names[c.target] : ""
 336                   },
 337                   c
 338                 );
 339               })
 340             );
 341           };
 342           if (Object.keys(names).length > 0) {
 343             ajax(
 344               "/users",
 345               "GET",
 346               {
 347                 data: { ids: Object.keys(names).join(",") },
 348                 success: (response2) => {
 349                   response2.users.forEach(u => {
 350                     names[u.id] = u.name;
 351                   });
 352                   addChallenges();
 353                 }
 354               }
 355             );
 356           } else addChallenges();
 357         }
 358       }
 359     );
 360     const connectAndPoll = () => {
 361       this.send("connect");
 362       this.send("pollclientsandgamers");
 363     };
 364     // Initialize connection
 365     this.connexionString =
 366       params.socketUrl +
 367       "/?sid=" +
 368       this.st.user.sid +
 369       "&id=" +
 370       this.st.user.id +
 371       "&tmpId=" +
 372       getRandString() +
 373       "&page=" +
 374       // Hall: path is "/" (could be hard-coded as well)
 375       encodeURIComponent(this.$route.path);
 376     this.conn = new WebSocket(this.connexionString);
 377     this.conn.onopen = connectAndPoll;
 378     this.conn.onmessage = this.socketMessageListener;
 379     this.conn.onclose = this.socketCloseListener;
 380   },
 381   mounted: function() {
 382     document.addEventListener('visibilitychange', this.visibilityChange);
 383     ["peopleWrap", "infoDiv", "newgameDiv"].forEach(eltName => {
 384       document.getElementById(eltName)
 385         .addEventListener("click", processModalClick);
 386     });
 387     document.querySelectorAll("#predefinedCadences > button").forEach(b => {
 388       b.addEventListener("click", () => {
 389         this.newchallenge.cadence = b.innerHTML;
 390       });
 391     });
 392     const dispCorr = this.$route.query["disp"];
 393     const showCtype =
 394       dispCorr || localStorage.getItem("type-challenges") || "live";
 395     const showGtype =
 396       dispCorr || localStorage.getItem("type-games") || "live";
 397     this.setDisplay('c', showCtype);
 398     this.setDisplay('g', showGtype);
 399     // Attempt to show something (at least a few correspondance challenges):
 400     setTimeout(
 401       () => {
 402         const types = ["corr", "live"];
 403         for (let i of [0,1]) {
 404           if (
 405             this.gdisplay == types[i] &&
 406             this.games.length > 0 &&
 407             this.games.every(g => g.type == types[1-i])
 408           ) {
 409             this.setDisplay('g', types[1-i]);
 410           }
 411           if (
 412             this.cdisplay == types[i] &&
 413             this.challenges.length > 0 &&
 414             this.challenges.every(c => c.type == types[1-i])
 415           ) {
 416             this.setDisplay('c', types[1-i]);
 417           }
 418         }
 419       },
 420       1500
 421     );
 422   },
 423   beforeDestroy: function() {
 424     document.removeEventListener('visibilitychange', this.visibilityChange);
 425     this.send("disconnect");
 426   },
 427   methods: {
 428     getRandomnessClass: function(pc) {
 429       return {
 430         ["random-" + pc.randomness]: true
 431       };
 432     },
 433     visibilityChange: function() {
 434       // TODO: Use document.hidden? https://webplatform.news/issues/2019-03-27
 435       this.send(
 436         document.visibilityState == "visible"
 437           ? "getfocus"
 438           : "losefocus"
 439       );
 440     },
 441     partialResetNewchallenge: function() {
 442       // Reset potential target and custom FEN:
 443       this.newchallenge.to = "";
 444       this.newchallenge.fen = "";
 445       this.newchallenge.diag = "";
 446       this.newchallenge.memorize = false;
 447     },
 448     showNewchallengeForm: function() {
 449       this.partialResetNewchallenge();
 450       window.doClick("modalNewgame");
 451     },
 452     addPresetChall: function(chall) {
 453       // Add only if not already existing:
 454       if (this.presetChalls.some(c =>
 455         c.vid == chall.vid &&
 456         c.cadence == chall.cadence &&
 457         c.randomness == chall.randomness
 458       )) {
 459         return;
 460       }
 461       const L = this.presetChalls.length;
 462       this.presetChalls.push({
 463         index: L,
 464         vid: chall.vid,
 465         vname: chall.vname, //redundant, but easier
 466         cadence: chall.cadence,
 467         randomness: chall.randomness
 468       });
 469       localStorage.setItem("presetChalls", JSON.stringify(this.presetChalls));
 470     },
 471     removePresetChall: function(e, pchall) {
 472       e.stopPropagation();
 473       const pchallIdx = this.presetChalls.findIndex(pc => pc.index == pchall.index);
 474       this.presetChalls.splice(pchallIdx, 1);
 475       localStorage.setItem("presetChalls", JSON.stringify(this.presetChalls));
 476     },
 477     tchallButtonsMargin: function() {
 478       if (!!this.curChallToAccept.fen) return { "margin-top": "10px" };
 479       return {};
 480     },
 481     cadenceFocusIfOpened: function() {
 482       if (event.target.checked)
 483         document.getElementById("cadence").focus();
 484     },
 485     send: function(code, obj) {
 486       if (!!this.conn) {
 487         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 488       }
 489     },
 490     getVname: function(vid) {
 491       const variant = this.st.variants.find(v => v.id == vid);
 492       // this.st.variants might be uninitialized (variant == null)
 493       return variant ? variant.name : "";
 494     },
 495     filterChallenges: function(type) {
 496       return this.challenges.filter(c => c.type == type);
 497     },
 498     filterGames: function(type) {
 499       return this.games.filter(g => g.type == type);
 500     },
 501     classifyObject: function(o) {
 502       // o: challenge or game
 503       return o.cadence.indexOf("d") === -1 ? "live" : "corr";
 504     },
 505     setDisplay: function(letter, type, e) {
 506       this[letter + "display"] = type;
 507       localStorage.setItem(
 508         "type-" + (letter == "c" ? "challenges" : "games"),
 509         type
 510       );
 511       let elt = e
 512         ? e.target
 513         : document.getElementById("btn" + letter.toUpperCase() + type);
 514       elt.classList.add("active");
 515       elt.classList.remove("somethingnew"); //in case of
 516       if (!!elt.previousElementSibling)
 517         elt.previousElementSibling.classList.remove("active");
 518       else elt.nextElementSibling.classList.remove("active");
 519     },
 520     isGamer: function(sid) {
 521       return this.people[sid].pages
 522         .some(p => p.focus && p.path.indexOf("/game/") >= 0);
 523     },
 524     isFocusedOnHall: function(sid) {
 525       return (
 526         // This is meant to challenge people, thus the next 2 conditions:
 527         this.st.user.id > 0 &&
 528         sid != this.st.user.sid &&
 529         this.people[sid].pages.some(p => p.path == "/" && p.focus)
 530       );
 531     },
 532     challenge: function(sid) {
 533       this.partialResetNewchallenge();
 534       // Available, in Hall
 535       this.newchallenge.to = this.people[sid].name;
 536       // TODO: also store target sid to not re-search for it
 537       document.getElementById("modalPeople").checked = false;
 538       window.doClick("modalNewgame");
 539     },
 540     watchGame: function(sid) {
 541       // In some game, maybe playing maybe not: show a random one
 542       let gids = [];
 543       this.people[sid].pages.forEach(p => {
 544         if (p.focus) {
 545           const matchGid = p.path.match(/[a-zA-Z0-9]+$/);
 546           if (!!matchGid) gids.push(matchGid[0]);
 547         }
 548       });
 549       const gid = gids[Math.floor(Math.random() * gids.length)];
 550       const game = this.games.find(g => g.id == gid);
 551       if (!!game) this.showGame(game);
 552       else this.$router.push("/game/" + gid); //game vs. me
 553     },
 554     showGame: function(g) {
 555       // NOTE: we are an observer, since only games I don't play are shown here
 556       // ==> Moves sent by connected remote player(s) if live game
 557       let url = "/game/" + g.id;
 558       if (g.type == "live")
 559         url += "?rid=" + g.rids[Math.floor(Math.random() * g.rids.length)];
 560       this.$router.push(url);
 561     },
 562     resetSocialColor: function() {
 563       // TODO: this is called twice, once on opening an once on closing
 564       document.getElementById("peopleBtn").classList.remove("somethingnew");
 565     },
 566     processChat: function(chat) {
 567       this.send("newchat", { data: chat });
 568     },
 569     getOppsid: function(c) {
 570       let oppsid = c.from.sid; //may not be defined if corr + offline opp
 571       if (!oppsid) {
 572         oppsid = Object.keys(this.people).find(
 573           sid => this.people[sid].id == c.from.id
 574         );
 575       }
 576       return oppsid;
 577     },
 578     // Messaging center:
 579     socketMessageListener: function(msg) {
 580       if (!this.conn) return;
 581       const data = JSON.parse(msg.data);
 582       switch (data.code) {
 583         case "pollclientsandgamers": {
 584           // Since people can be both in Hall and Game,
 585           // need to track "askIdentity" requests:
 586           let identityAsked = {};
 587           data.sockIds.forEach(s => {
 588             const page = s.page || "/";
 589             if (s.sid != this.st.user.sid && !identityAsked[s.sid]) {
 590               this.send("askidentity", { target: s.sid, page: page });
 591               identityAsked[s.sid] = true;
 592             }
 593             if (!this.people[s.sid]) {
 594               // Do not set name or id: identity unknown yet
 595               this.people[s.sid] = { pages: [{path: page, focus: true}] };
 596             }
 597             else if (!(this.people[s.sid].pages.find(p => p.path == page)))
 598               this.people[s.sid].pages.push({ path: page, focus: true });
 599             if (!s.page)
 600               // Peer is in Hall
 601               this.send("askchallenges", { target: s.sid });
 602             // Peer is in Game
 603             else this.send("askgame", { target: s.sid, page: page });
 604           });
 605           break;
 606         }
 607         case "connect":
 608         case "gconnect": {
 609           const page = data.page || "/";
 610           // Only ask game / challenges if first connexion:
 611           if (!this.people[data.from]) {
 612             this.people[data.from] = { pages: [{ path: page, focus: true }] };
 613             if (data.code == "connect")
 614               this.send("askchallenges", { target: data.from });
 615             else this.send("askgame", { target: data.from, page: page });
 616           } else {
 617             // Append page if not already in list
 618             if (!(this.people[data.from].pages.find(p => p.path == page)))
 619               this.people[data.from].pages.push({ path: page, focus: true });
 620           }
 621           if (!this.people[data.from].name && this.people[data.from].id !== 0) {
 622             // Identity not known yet
 623             this.newConnect[data.from] = true; //for self multi-connects tests
 624             this.send("askidentity", { target: data.from, page: page });
 625           }
 626           break;
 627         }
 628         case "disconnect":
 629         case "gdisconnect": {
 630           // If the user reloads the page twice very quickly (experienced with Firefox),
 631           // the first reload won't have time to connect but will trigger a "close" event anyway.
 632           // ==> Next check is required.
 633           if (!this.people[data.from]) return;
 634           // Disconnect means no more tmpIds:
 635           if (data.code == "disconnect") {
 636             // Remove the live challenges sent by this player:
 637             ArrayFun.remove(
 638               this.challenges,
 639               c => c.type == "live" && c.from.sid == data.from,
 640               "all"
 641             );
 642           } else {
 643             // Remove the matching live game if now unreachable
 644             const gid = data.page.match(/[a-zA-Z0-9]+$/)[0];
 645             const gidx = this.games.findIndex(g => g.id == gid);
 646             if (gidx >= 0) {
 647               const game = this.games[gidx];
 648               if (
 649                 game.type == "live" &&
 650                 game.rids.length == 1 &&
 651                 game.rids[0] == data.from
 652               ) {
 653                 this.games.splice(gidx, 1);
 654               }
 655             }
 656           }
 657           const page = data.page || "/";
 658           ArrayFun.remove(this.people[data.from].pages, p => p.path == page);
 659           if (this.people[data.from].pages.length == 0)
 660             this.$delete(this.people, data.from);
 661           break;
 662         }
 663         case "getfocus":
 664           // If user reload a page, focus may arrive earlier than connect
 665           if (!!this.people[data.from]) {
 666             this.people[data.from].pages
 667               .find(p => p.path == data.page).focus = true;
 668             this.$forceUpdate(); //TODO: shouldn't be required
 669           }
 670           break;
 671         case "losefocus":
 672           if (!!this.people[data.from]) {
 673             this.people[data.from].pages
 674               .find(p => p.path == data.page).focus = false;
 675             this.$forceUpdate(); //TODO: shouldn't be required
 676           }
 677           break;
 678         case "killed":
 679           // I logged in elsewhere:
 680           this.conn = null;
 681           alert(this.st.tr["New connexion detected: tab now offline"]);
 682           break;
 683         case "askidentity": {
 684           // Request for identification (TODO: anonymous shouldn't need to reply)
 685           const me = {
 686             // Decompose to avoid revealing email
 687             name: this.st.user.name,
 688             sid: this.st.user.sid,
 689             id: this.st.user.id
 690           };
 691           this.send("identity", { data: me, target: data.from });
 692           break;
 693         }
 694         case "identity": {
 695           const user = data.data;
 696           let player = this.people[user.sid];
 697           // player.pages is already set
 698           player.id = user.id;
 699           player.name = user.name;
 700           // TODO: this.$set(people, ...) fails. So forceUpdate.
 701           //       But this shouldn't be like that!
 702           this.$forceUpdate();
 703           // If I multi-connect, kill current connexion if no mark (I'm older)
 704           if (this.newConnect[user.sid]) {
 705             if (
 706               user.id > 0 &&
 707               user.id == this.st.user.id &&
 708               user.sid != this.st.user.sid &&
 709               !this.killed[this.st.user.sid]
 710             ) {
 711                 this.send("killme", { sid: this.st.user.sid });
 712                 this.killed[this.st.user.sid] = true;
 713             }
 714             delete this.newConnect[user.sid];
 715           }
 716           break;
 717         }
 718         case "askchallenges": {
 719           // Send my current live challenges (if any)
 720           const myChallenges = this.challenges
 721             .filter(c =>
 722               c.from.sid == this.st.user.sid && c.type == "live"
 723             )
 724             .map(c => {
 725               // NOTE: in principle, should only send targeted challenge to the target.
 726               // But we may not know yet the identity of the target (just name),
 727               // so cannot decide if data.from is the target or not.
 728               return {
 729                 id: c.id,
 730                 from: this.st.user.sid,
 731                 to: c.to,
 732                 randomness: c.randomness,
 733                 fen: c.fen,
 734                 vid: c.vid,
 735                 cadence: c.cadence,
 736                 added: c.added
 737               };
 738             });
 739           if (myChallenges.length > 0)
 740             this.send("challenges", { data: myChallenges, target: data.from });
 741           break;
 742         }
 743         case "challenges": //after "askchallenges"
 744           data.data.forEach(this.addChallenge);
 745           break;
 746         case "newchallenge":
 747           this.addChallenge(data.data);
 748           break;
 749         case "refusechallenge": {
 750           const cid = data.data;
 751           ArrayFun.remove(this.challenges, c => c.id == cid);
 752           alert(this.st.tr["Challenge declined"]);
 753           break;
 754         }
 755         case "deletechallenge_s": {
 756           // NOTE: the challenge(s) may be already removed
 757           const cref = data.data;
 758           if (!!cref.cid) ArrayFun.remove(this.challenges, c => c.id == cref.cid);
 759           else if (!!cref.sids) {
 760             cref.sids.forEach(s => {
 761               ArrayFun.remove(
 762                 this.challenges,
 763                 c => c.type == "live" && c.from.sid == s,
 764                 "all"
 765               );
 766             });
 767           }
 768           break;
 769         }
 770         case "game": //individual request
 771         case "newgame": {
 772           const game = data.data;
 773           // Ignore games where I play (will go in MyGames page)
 774           if (game.players.every(p =>
 775             p.sid != this.st.user.sid || p.uid != this.st.user.id))
 776           {
 777             let locGame = this.games.find(g => g.id == game.id);
 778             if (!locGame) {
 779               let newGame = game;
 780               newGame.type = this.classifyObject(game);
 781               newGame.vname = this.getVname(game.vid);
 782               if (!game.score)
 783                 // New game from Hall
 784                 newGame.score = "*";
 785               newGame.rids = [game.rid];
 786               delete newGame["rid"];
 787               this.games.push(newGame);
 788               if (
 789                 (newGame.type == "live" && this.gdisplay == "corr") ||
 790                 (newGame.type == "corr" && this.gdisplay == "live")
 791               ) {
 792                 document
 793                   .getElementById("btnG" + newGame.type)
 794                   .classList.add("somethingnew");
 795               }
 796             } else {
 797               // Append rid (if not already in list)
 798               if (!locGame.rids.includes(game.rid)) locGame.rids.push(game.rid);
 799             }
 800           }
 801           break;
 802         }
 803         case "result": {
 804           let g = this.games.find(g => g.id == data.gid);
 805           if (!!g) g.score = data.score;
 806           break;
 807         }
 808         case "startgame": {
 809           // New game just started, I'm involved
 810           const gameInfo = data.data;
 811           if (this.classifyObject(gameInfo) == "live")
 812             this.startNewGame(gameInfo);
 813           else {
 814             this.infoMessage =
 815               this.st.tr["New correspondance game:"] +
 816               " <a href='#/game/" +
 817               gameInfo.id +
 818               "'>" +
 819               "#/game/" +
 820               gameInfo.id +
 821               "</a>";
 822             document.getElementById("modalInfo").checked = true;
 823           }
 824           break;
 825         }
 826         case "newchat":
 827           this.newChat = data.data;
 828           if (!document.getElementById("modalPeople").checked)
 829             document.getElementById("peopleBtn").classList.add("somethingnew");
 830           break;
 831       }
 832     },
 833     socketCloseListener: function() {
 834       if (!this.conn) return;
 835       this.conn = new WebSocket(this.connexionString);
 836       this.conn.addEventListener("message", this.socketMessageListener);
 837       this.conn.addEventListener("close", this.socketCloseListener);
 838     },
 839     // Challenge lifecycle:
 840     addChallenge: function(chall) {
 841       // NOTE about next condition: see "askchallenges" case.
 842       if (
 843         !chall.to ||
 844         (this.people[chall.from].id > 0 &&
 845           (chall.from == this.st.user.sid || chall.to == this.st.user.name))
 846       ) {
 847         let newChall = Object.assign({}, chall);
 848         newChall.type = this.classifyObject(chall);
 849         newChall.randomness = chall.randomness;
 850         newChall.added = Date.now();
 851         let fromValues = Object.assign({}, this.people[chall.from]);
 852         delete fromValues["pages"]; //irrelevant in this context
 853         newChall.from = Object.assign({ sid: chall.from }, fromValues);
 854         newChall.vname = this.getVname(newChall.vid);
 855         this.challenges.push(newChall);
 856         if (
 857           (newChall.type == "live" && this.cdisplay == "corr") ||
 858           (newChall.type == "corr" && this.cdisplay == "live")
 859         ) {
 860           document
 861             .getElementById("btnC" + newChall.type)
 862             .classList.add("somethingnew");
 863         }
 864       }
 865     },
 866     loadNewchallVariant: async function(cb) {
 867       const vname = this.getVname(this.newchallenge.vid);
 868       const vModule = await import("@/variants/" + vname + ".js");
 869       this.newchallenge.V = vModule.VariantRules;
 870       this.newchallenge.vname = vname;
 871       if (!!cb) cb();
 872     },
 873     trySetNewchallDiag: function() {
 874       if (!this.newchallenge.fen) {
 875         this.newchallenge.diag = "";
 876         return;
 877       }
 878       // If vid > 0 then the variant is loaded (function above):
 879       window.V = this.newchallenge.V;
 880       if (
 881         this.newchallenge.vid > 0 &&
 882         !!this.newchallenge.fen &&
 883         V.IsGoodFen(this.newchallenge.fen)
 884       ) {
 885         const parsedFen = V.ParseFen(this.newchallenge.fen);
 886         this.newchallenge.diag = getDiagram({
 887           position: parsedFen.position,
 888           orientation: parsedFen.turn
 889         });
 890       }
 891     },
 892     newChallFromPreset(pchall) {
 893       this.partialResetNewchallenge();
 894       this.newchallenge.vid = pchall.vid;
 895       this.newchallenge.cadence = pchall.cadence;
 896       this.newchallenge.randomness = pchall.randomness;
 897       this.loadNewchallVariant(this.issueNewChallenge);
 898     },
 899     issueNewChallenge: async function() {
 900       if (!!(this.newchallenge.cadence.match(/^[0-9]+$/)))
 901         this.newchallenge.cadence += "+0"; //assume minutes, no increment
 902       const ctype = this.classifyObject(this.newchallenge);
 903       // TODO: cadence still unchecked so ctype could be wrong...
 904       let error = "";
 905       if (!this.newchallenge.vid)
 906         error = this.st.tr["Please select a variant"];
 907       else if (ctype == "corr" && this.st.user.id <= 0)
 908         error = this.st.tr["Please log in to play correspondance games"];
 909       else if (!!this.newchallenge.to) {
 910         if (this.newchallenge.to == this.st.user.name)
 911           error = this.st.tr["Self-challenge is forbidden"];
 912         else if (
 913           ctype == "live" &&
 914           Object.values(this.people).every(p => p.name != this.newchallenge.to)
 915         )
 916           error = this.newchallenge.to + " " + this.st.tr["is not online"];
 917       }
 918       if (error) {
 919         alert(error);
 920         return;
 921       }
 922       window.V = this.newchallenge.V;
 923       error = checkChallenge(this.newchallenge);
 924       if (error) {
 925         alert(error);
 926         return;
 927       }
 928       // NOTE: "from" information is not required here
 929       let chall = Object.assign({}, this.newchallenge);
 930       // Add only if not already issued (not counting target or FEN):
 931       if (this.challenges.some(c =>
 932         (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id) &&
 933         c.vid == chall.vid &&
 934         c.cadence == chall.cadence &&
 935         c.randomness == chall.randomness
 936       )) {
 937         alert(this.st.tr["Challenge already exists"]);
 938         return;
 939       }
 940       if (this.newchallenge.memorize) this.addPresetChall(this.newchallenge);
 941       delete chall["V"];
 942       delete chall["diag"];
 943       const finishAddChallenge = cid => {
 944         chall.id = cid || "c" + getRandString();
 945         const MAX_ALLOWED_CHALLS = 3;
 946         // Remove oldest challenge if 3 found: only 3 at a time of a given type
 947         let countMyChalls = 0;
 948         let challToDelIdx = 0;
 949         let oldestAdded = Number.MAX_SAFE_INTEGER;
 950         for (let i=0; i<this.challenges.length; i++) {
 951           const c = this.challenges[i];
 952           if (
 953             c.type == ctype &&
 954             (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id)
 955           ) {
 956             countMyChalls++;
 957             if (c.added < oldestAdded) {
 958               challToDelIdx = i;
 959               oldestAdded = c.added;
 960             }
 961           }
 962         }
 963         if (countMyChalls >= MAX_ALLOWED_CHALLS) {
 964           this.send(
 965             "deletechallenge_s",
 966             { data: { cid: this.challenges[challToDelIdx].id } }
 967           );
 968           if (ctype == "corr") {
 969             ajax(
 970               "/challenges",
 971               "DELETE",
 972               { data: { id: this.challenges[challToDelIdx].id } }
 973             );
 974           }
 975           this.challenges.splice(challToDelIdx, 1);
 976         }
 977         this.send("newchallenge", {
 978           data: Object.assign({ from: this.st.user.sid }, chall)
 979         });
 980         // Add new challenge:
 981         chall.from = {
 982           // Decompose to avoid revealing email
 983           sid: this.st.user.sid,
 984           id: this.st.user.id,
 985           name: this.st.user.name
 986         };
 987         chall.added = Date.now();
 988         // NOTE: vname and type are redundant (can be deduced from cadence + vid)
 989         chall.type = ctype;
 990         chall.vname = this.newchallenge.vname;
 991         this.challenges.push(chall);
 992         // Remember cadence  + vid for quicker further challenges:
 993         localStorage.setItem("cadence", chall.cadence);
 994         localStorage.setItem("vid", chall.vid);
 995         localStorage.setItem("challRandomness", chall.randomness);
 996         document.getElementById("modalNewgame").checked = false;
 997         // Show the challenge if not on current display
 998         if (
 999           (ctype == "live" && this.cdisplay == "corr") ||
1000           (ctype == "corr" && this.cdisplay == "live")
1001         ) {
1002           this.setDisplay('c', ctype);
1003         }
1004       };
1005       if (ctype == "live") {
1006         // Live challenges have a random ID
1007         finishAddChallenge(null);
1008       } else {
1009         // Correspondance game: send challenge to server
1010         ajax(
1011           "/challenges",
1012           "POST",
1013           {
1014             data: { chall: chall },
1015             success: (response) => {
1016               finishAddChallenge(response.cid);
1017             }
1018           }
1019         );
1020       }
1021     },
1022     // Callback function after a diagram was showed to accept
1023     // or refuse targetted challenge:
1024     decisionChallenge: function(accepted) {
1025       this.curChallToAccept.accepted = accepted;
1026       this.finishProcessingChallenge(this.curChallToAccept);
1027       document.getElementById("modalAccept").checked = false;
1028     },
1029     finishProcessingChallenge: function(c) {
1030       if (c.accepted) {
1031         c.seat = {
1032           // Again, avoid c.seat = st.user to not reveal email
1033           sid: this.st.user.sid,
1034           id: this.st.user.id,
1035           name: this.st.user.name
1036         };
1037         this.launchGame(c);
1038         if (c.type == "live")
1039           // Remove all live challenges of both players
1040           this.send("deletechallenge_s", { data: { sids: [c.from.sid, c.seat.sid] } });
1041         else
1042           // Corr challenge: just remove the challenge
1043           this.send("deletechallenge_s", { data: { cid: c.id } });
1044       } else {
1045         const oppsid = this.getOppsid(c);
1046         if (!!oppsid)
1047           this.send("refusechallenge", { data: c.id, target: oppsid });
1048         if (c.type == "corr") {
1049           ajax(
1050             "/challenges",
1051             "DELETE",
1052             { data: { id: c.id } }
1053           );
1054         }
1055         this.send("deletechallenge_s", { data: { cid: c.id } });
1056       }
1057     },
1058     // TODO: if several players click same challenge at the same time: problem
1059     clickChallenge: async function(c) {
1060       const myChallenge =
1061         c.from.sid == this.st.user.sid || //live
1062         (this.st.user.id > 0 && c.from.id == this.st.user.id); //corr
1063       if (!myChallenge) {
1064         if (c.type == "corr" && this.st.user.id <= 0) {
1065           alert(this.st.tr["Please log in to accept corr challenges"]);
1066           return;
1067         }
1068         c.accepted = true;
1069         const vModule = await import("@/variants/" + c.vname + ".js");
1070         window.V = vModule.VariantRules;
1071         if (!!c.to) {
1072           // c.to == this.st.user.name (connected)
1073           if (!!c.fen) {
1074             const parsedFen = V.ParseFen(c.fen);
1075             c.mycolor = V.GetOppCol(parsedFen.turn);
1076             this.tchallDiag = getDiagram({
1077               position: parsedFen.position,
1078               orientation: c.mycolor
1079             });
1080           }
1081           this.curChallToAccept = c;
1082           document.getElementById("modalAccept").checked = true;
1083         }
1084         else this.finishProcessingChallenge(c);
1085       }
1086       else {
1087         // My challenge
1088         if (c.type == "corr") {
1089           ajax(
1090             "/challenges",
1091             "DELETE",
1092             { data: { id: c.id } }
1093           );
1094         }
1095         this.send("deletechallenge_s", { data: { cid: c.id } });
1096       }
1097       // In all cases, the challenge is consumed:
1098       ArrayFun.remove(this.challenges, ch => ch.id == c.id);
1099     },
1100     // NOTE: when launching game, the challenge is already being deleted
1101     launchGame: function(c) {
1102       let players =
1103         !!c.mycolor
1104           ? (c.mycolor == "w" ? [c.seat, c.from] : [c.from, c.seat])
1105           : shuffle([c.from, c.seat]);
1106       // Convention for players IDs in stored games is 'uid'
1107       players.forEach(p => {
1108         let pWithUid = p;
1109         pWithUid["uid"] = p.id;
1110         delete pWithUid["id"];
1111       });
1112       // These game informations will be shared
1113       let gameInfo = {
1114         id: getRandString(),
1115         fen: c.fen || V.GenRandInitFen(c.randomness),
1116         // White player index 0, black player index 1:
1117         players: c.mycolor
1118           ? (c.mycolor == "w" ? [c.seat, c.from] : [c.from, c.seat])
1119           : shuffle([c.from, c.seat]),
1120         vid: c.vid,
1121         cadence: c.cadence
1122       };
1123       const notifyNewgame = () => {
1124         const oppsid = this.getOppsid(c);
1125         if (!!oppsid)
1126           // Opponent is online
1127           this.send("startgame", { data: gameInfo, target: oppsid });
1128         // Send game info (only if live) to everyone except me and opponent
1129         // TODO: this double message send could be avoided.
1130         this.send("newgame", { data: gameInfo, oppsid: oppsid });
1131         // Also to MyGames page:
1132         this.send(
1133           "notifynewgame",
1134           {
1135             data: gameInfo,
1136             targets: gameInfo.players.map(p => {
1137               return { sid: p.sid, uid: p.uid };
1138             })
1139           }
1140         );
1141       };
1142       if (c.type == "live") {
1143         notifyNewgame();
1144         this.startNewGame(gameInfo);
1145       } else {
1146         // corr: game only on server
1147         ajax(
1148           "/games",
1149           "POST",
1150           {
1151             // cid is useful to delete the challenge:
1152             data: { gameInfo: gameInfo, cid: c.id },
1153             success: (response) => {
1154               gameInfo.id = response.gameId;
1155               notifyNewgame();
1156               this.$router.push("/game/" + response.gameId);
1157             }
1158           }
1159         );
1160       }
1161     },
1162     // NOTE: for live games only (corr games start on the server)
1163     startNewGame: function(gameInfo) {
1164       const game = Object.assign(
1165         {},
1166         gameInfo,
1167         {
1168           // (other) Game infos: constant
1169           fenStart: gameInfo.fen,
1170           vname: this.getVname(gameInfo.vid),
1171           created: Date.now(),
1172           // Game state (including FEN): will be updated
1173           moves: [],
1174           clocks: [-1, -1], //-1 = unstarted
1175           initime: [0, 0], //initialized later
1176           score: "*"
1177         }
1178       );
1179       setTimeout(
1180         () => {
1181           GameStorage.add(game, (err) => {
1182             // If an error occurred, game is not added: a tab already
1183             // added the game and (if focused) is redirected toward it.
1184             // If no error and the tab is hidden: do not show anything.
1185             if (!err && !document.hidden) {
1186               if (this.st.settings.sound)
1187                 new Audio("/sounds/newgame.flac").play().catch(() => {});
1188               this.$router.push("/game/" + gameInfo.id);
1189             }
1190           });
1191         },
1192         document.hidden ? 500 + 1000 * Math.random() : 0
1193       );
1194     }
1195   }
1196 };
1197 </script>
1198
1199 <style lang="sass" scoped>
1200 .active
1201   color: #42a983
1202
1203 #infoDiv > .card
1204   padding: 15px 0
1205   max-width: 430px
1206
1207 #newgameDiv > .card, #acceptDiv > .card
1208   max-width: 767px
1209   max-height: 100%
1210
1211 div#peopleWrap > .card
1212   max-height: 100%
1213
1214 @media screen and (min-width: 1281px)
1215   div#peopleWrap > .card
1216     max-width: 66.67%
1217
1218 @media screen and (max-width: 1280px)
1219   div#peopleWrap > .card
1220     max-width: 83.33%
1221
1222 @media screen and (max-width: 767px)
1223   div#peopleWrap > .card
1224     max-width: 100%
1225
1226 #players
1227   width: 50%
1228   position: relative
1229   float: left
1230
1231 #chat
1232   width: 50%
1233   float: left
1234   position: relative
1235
1236 @media screen and (max-width: 767px)
1237   #players, #chats
1238     width: 100%
1239
1240 #chat > .card
1241   max-width: 100%
1242   margin: 0;
1243   border: none;
1244
1245 #players > p
1246   margin-left: 5px
1247
1248 .anonymous
1249   font-style: italic
1250
1251 button.player-action
1252   margin-left: 32px
1253
1254 .somethingnew
1255   background-color: #c5fefe !important
1256
1257 .tabbtn
1258   background-color: #f9faee
1259
1260 button.acceptBtn
1261   background-color: lightgreen
1262 button.refuseBtn
1263   background-color: red
1264
1265 #buttonsTchall
1266   // margin-top set dynamically (depends if diagram showed or not)
1267   & > button > span
1268     width: 100%
1269     text-align: center
1270
1271 .variantName
1272   font-weight: bold
1273
1274 .diagram
1275   margin: 0 auto
1276   max-width: 400px
1277   // width: 100% required for Firefox
1278   width: 100%
1279
1280 #inputFen
1281   width: 100%
1282
1283 #div2, #div3
1284   margin-top: 15px
1285 @media screen and (max-width: 767px)
1286   #div2, #div3
1287     margin-top: 0
1288
1289 tr > td
1290   &.random-0
1291     background-color: #FF5733
1292   &.random-1
1293     background-color: #2B63B4
1294   &.random-2
1295     background-color: #33B42B
1296
1297 @media screen and (max-width: 767px)
1298   h4
1299     margin: 5px 0
1300
1301 td.remove-preset
1302   background-color: lightgrey
1303   text-align: center
1304   & > img
1305     height: 1em
1306 </style>