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.text-center
  14       p
  15         span.variantName {{ curChallToAccept.vname }}
  16         span {{ curChallToAccept.cadence }}
  17         span {{ st.tr["with"] + " " + curChallToAccept.from.name }}
  18       .diagram(v-html="tchallDiag")
  19       .button-group#buttonsTchall
  20         button.acceptBtn(@click="decisionChallenge(true)") {{ st.tr["Accept challenge?"] }}
  21         button.refuseBtn(@click="decisionChallenge(false)") {{ st.tr["Refuse"] }}
  22   input#modalNewgame.modal(
  23     type="checkbox"
  24     @change="cadenceFocusIfOpened($event)"
  25   )
  26   div#newgameDiv(
  27     role="dialog"
  28     data-checkbox="modalNewgame"
  29   )
  30     .card
  31       label#closeNewgame.modal-close(for="modalNewgame")
  32       div(@keyup.enter="newChallenge()")
  33         fieldset
  34           label(for="selectVariant") {{ st.tr["Variant"] }} *
  35           select#selectVariant(
  36             @change="loadNewchallVariant(trySetNewchallDiag)"
  37             v-model="newchallenge.vid"
  38           )
  39             option(
  40               v-for="v in st.variants"
  41               :value="v.id"
  42               :selected="newchallenge.vid==v.id"
  43             )
  44               | {{ v.name }}
  45         fieldset
  46           label(for="cadence") {{ st.tr["Cadence"] }} *
  47           div#predefinedCadences
  48             button(type="button") 15+5
  49             button(type="button") 45+30
  50             button(type="button") 3d
  51             button(type="button") 7d
  52           input#cadence(
  53             type="text"
  54             v-model="newchallenge.cadence"
  55             placeholder="5+0, 1h+30s, 5d ..."
  56           )
  57         fieldset
  58           label(for="selectRandomLevel") {{ st.tr["Randomness"] }} *
  59           select#selectRandomLevel(v-model="newchallenge.randomness")
  60             option(value="0") {{ st.tr["Deterministic"] }}
  61             option(value="1") {{ st.tr["Symmetric random"] }}
  62             option(value="2") {{ st.tr["Asymmetric random"] }}
  63         fieldset(v-if="st.user.id > 0")
  64           label(for="selectPlayers") {{ st.tr["Play with?"] }}
  65           input#selectPlayers(
  66             type="text"
  67             v-model="newchallenge.to"
  68           )
  69         fieldset(v-if="st.user.id > 0 && newchallenge.to.length > 0")
  70           input#inputFen(
  71             placeholder="FEN"
  72             @input="trySetNewchallDiag()"
  73             type="text"
  74             v-model="newchallenge.fen"
  75           )
  76         .diagram(v-html="newchallenge.diag")
  77       button(@click="newChallenge()") {{ st.tr["Send challenge"] }}
  78   input#modalPeople.modal(
  79     type="checkbox"
  80     @click="resetSocialColor()"
  81   )
  82   div#peopleWrap(
  83     role="dialog"
  84     data-checkbox="modalPeople"
  85   )
  86     .card
  87       label.modal-close(for="modalPeople")
  88       #people
  89         #players
  90           p(
  91             v-for="sid in Object.keys(people)"
  92             v-if="!!people[sid].name"
  93           )
  94             span {{ people[sid].name }}
  95             button.player-action(
  96               v-if="isGamer(sid)"
  97               @click="watchGame(sid)"
  98             )
  99               | {{ st.tr["Observe"] }}
 100             button.player-action(
 101               v-else-if="st.user.id > 0 && sid != st.user.sid"
 102               @click="challenge(sid)"
 103             )
 104               | {{ st.tr["Challenge"] }}
 105           p.anonymous @nonymous ({{ anonymousCount }})
 106         #chat
 107           Chat(
 108             :newChat="newChat"
 109             @mychat="processChat"
 110             :pastChats="[]"
 111           )
 112         .clearer
 113   .row
 114     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
 115       .button-group
 116         button#peopleBtn(onClick="window.doClick('modalPeople')")
 117           | {{ st.tr["Who's there?"] }}
 118         button(onClick="window.doClick('modalNewgame')")
 119           | {{ st.tr["New game"] }}
 120   .row
 121     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
 122       div#div2
 123         .button-group
 124           button.tabbtn#btnClive(@click="setDisplay('c','live',$event)")
 125             | {{ st.tr["Live challenges"] }}
 126           button.tabbtn#btnCcorr(@click="setDisplay('c','corr',$event)")
 127             | {{ st.tr["Correspondance challenges"] }}
 128         ChallengeList(
 129           v-show="cdisplay=='live'"
 130           :challenges="filterChallenges('live')"
 131           @click-challenge="clickChallenge"
 132         )
 133         ChallengeList(
 134           v-show="cdisplay=='corr'"
 135           :challenges="filterChallenges('corr')"
 136           @click-challenge="clickChallenge"
 137         )
 138       div#div3
 139         .button-group
 140           button.tabbtn#btnGlive(@click="setDisplay('g','live',$event)")
 141             | {{ st.tr["Live games"] }}
 142           button.tabbtn#btnGcorr(@click="setDisplay('g','corr',$event)")
 143             | {{ st.tr["Correspondance games"] }}
 144         GameList(
 145           v-show="gdisplay=='live'"
 146           :games="filterGames('live')"
 147           :showBoth="true"
 148           @show-game="showGame"
 149         )
 150         GameList(
 151           v-show="gdisplay=='corr'"
 152           :games="filterGames('corr')"
 153           :showBoth="true"
 154           @show-game="showGame"
 155         )
 156 </template>
 157
 158 <script>
 159 import { store } from "@/store";
 160 import { checkChallenge } from "@/data/challengeCheck";
 161 import { ArrayFun } from "@/utils/array";
 162 import { ajax } from "@/utils/ajax";
 163 import params from "@/parameters";
 164 import { getRandString, shuffle } from "@/utils/alea";
 165 import { getDiagram } from "@/utils/printDiagram";
 166 import Chat from "@/components/Chat.vue";
 167 import GameList from "@/components/GameList.vue";
 168 import ChallengeList from "@/components/ChallengeList.vue";
 169 import { GameStorage } from "@/utils/gameStorage";
 170 import { processModalClick } from "@/utils/modalClick";
 171 export default {
 172   name: "my-hall",
 173   components: {
 174     Chat,
 175     GameList,
 176     ChallengeList
 177   },
 178   data: function() {
 179     return {
 180       st: store.state,
 181       cdisplay: "live", //or corr
 182       gdisplay: "live",
 183       games: [],
 184       challenges: [],
 185       people: {},
 186       infoMessage: "",
 187       newchallenge: {
 188         fen: "",
 189         vid: parseInt(localStorage.getItem("vid")) || 0,
 190         to: "", //name of challenged player (if any)
 191         cadence: localStorage.getItem("cadence") || "",
 192         randomness: parseInt(localStorage.getItem("randomness")) || 2,
 193         // VariantRules object, stored to not interfere with
 194         // diagrams of targetted challenges:
 195         V: null,
 196         vname: "",
 197         diag: "" //visualizing FEN
 198       },
 199       tchallDiag: "",
 200       curChallToAccept: {from: {}},
 201       newChat: "",
 202       conn: null,
 203       connexionString: "",
 204       // Related to (killing of) self multi-connects:
 205       newConnect: {},
 206       killed: {}
 207     };
 208   },
 209   watch: {
 210     // st.variants changes only once, at loading from [] to [...]
 211     "st.variants": function() {
 212       // Set potential challenges and games variant names:
 213       this.challenges.concat(this.games).forEach(o => {
 214         if (!o.vname) o.vname = this.getVname(o.vid);
 215       });
 216       if (!this.newchallenge.V && this.newchallenge.vid > 0)
 217         this.loadNewchallVariant();
 218     }
 219   },
 220   computed: {
 221     anonymousCount: function() {
 222       let count = 0;
 223       Object.values(this.people).forEach(p => {
 224         // Do not cound people who did not send their identity yet:
 225         count += (!p.name && p.id === 0) ? 1 : 0;
 226       });
 227       return count;
 228     }
 229   },
 230   created: function() {
 231     if (this.st.variants.length > 0 && this.newchallenge.vid > 0)
 232       this.loadNewchallVariant();
 233     const my = this.st.user;
 234     this.$set(this.people, my.sid, { id: my.id, name: my.name, pages: ["/"] });
 235     // Ask server for current corr games (all but mines)
 236     ajax(
 237       "/games",
 238       "GET",
 239       { uid: this.st.user.id, excluded: true },
 240       response => {
 241         this.games = this.games.concat(
 242           response.games.map(g => {
 243             const type = this.classifyObject(g);
 244             const vname = this.getVname(g.vid);
 245             return Object.assign({}, g, { type: type, vname: vname });
 246           })
 247         );
 248       }
 249     );
 250     // Also ask for corr challenges (open + sent by/to me)
 251     ajax("/challenges", "GET", { uid: this.st.user.id }, response => {
 252       // Gather all senders names, and then retrieve full identity:
 253       // (TODO [perf]: some might be online...)
 254       let names = {};
 255       response.challenges.forEach(c => {
 256         if (c.uid != this.st.user.id) names[c.uid] = "";
 257         else if (!!c.target && c.target != this.st.user.id)
 258           names[c.target] = "";
 259       });
 260       const addChallenges = () => {
 261         names[this.st.user.id] = this.st.user.name; //in case of
 262         this.challenges = this.challenges.concat(
 263           response.challenges.map(c => {
 264             const from = { name: names[c.uid], id: c.uid }; //or just name
 265             const type = this.classifyObject(c);
 266             const vname = this.getVname(c.vid);
 267             return Object.assign(
 268               {},
 269               {
 270                 type: type,
 271                 vname: vname,
 272                 from: from,
 273                 to: c.target ? names[c.target] : ""
 274               },
 275               c
 276             );
 277           })
 278         );
 279       };
 280       if (Object.keys(names).length > 0) {
 281         ajax(
 282           "/users",
 283           "GET",
 284           { ids: Object.keys(names).join(",") },
 285           response2 => {
 286             response2.users.forEach(u => {
 287               names[u.id] = u.name;
 288             });
 289             addChallenges();
 290           }
 291         );
 292       } else addChallenges();
 293     });
 294     const connectAndPoll = () => {
 295       this.send("connect");
 296       this.send("pollclientsandgamers");
 297     };
 298     // Initialize connection
 299     this.connexionString =
 300       params.socketUrl +
 301       "/?sid=" +
 302       this.st.user.sid +
 303       "&tmpId=" +
 304       getRandString() +
 305       "&page=" +
 306       encodeURIComponent(this.$route.path);
 307     this.conn = new WebSocket(this.connexionString);
 308     this.conn.onopen = connectAndPoll;
 309     this.conn.onmessage = this.socketMessageListener;
 310     this.conn.onclose = this.socketCloseListener;
 311   },
 312   mounted: function() {
 313     ["peopleWrap", "infoDiv", "newgameDiv"].forEach(eltName => {
 314       let elt = document.getElementById(eltName);
 315       elt.addEventListener("click", processModalClick);
 316     });
 317     document.querySelectorAll("#predefinedCadences > button").forEach(b => {
 318       b.addEventListener("click", () => {
 319         this.newchallenge.cadence = b.innerHTML;
 320       });
 321     });
 322     const dispCorr = this.$route.query["disp"];
 323     const showCtype =
 324       dispCorr || localStorage.getItem("type-challenges") || "live";
 325     const showGtype =
 326       dispCorr || localStorage.getItem("type-games") || "live";
 327     this.setDisplay("c", showCtype);
 328     this.setDisplay("g", showGtype);
 329   },
 330   beforeDestroy: function() {
 331     this.send("disconnect");
 332   },
 333   methods: {
 334     // Helpers:
 335     cadenceFocusIfOpened: function() {
 336       if (event.target.checked)
 337         document.getElementById("cadence").focus();
 338     },
 339     send: function(code, obj) {
 340       if (!!this.conn) {
 341         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 342       }
 343     },
 344     getVname: function(vid) {
 345       const variant = this.st.variants.find(v => v.id == vid);
 346       // this.st.variants might be uninitialized (variant == null)
 347       return variant ? variant.name : "";
 348     },
 349     filterChallenges: function(type) {
 350       return this.challenges.filter(c => c.type == type);
 351     },
 352     filterGames: function(type) {
 353       return this.games.filter(g => g.type == type);
 354     },
 355     classifyObject: function(o) {
 356       //challenge or game
 357       return o.cadence.indexOf("d") === -1 ? "live" : "corr";
 358     },
 359     setDisplay: function(letter, type, e) {
 360       this[letter + "display"] = type;
 361       localStorage.setItem(
 362         "type-" + (letter == "c" ? "challenges" : "games"),
 363         type
 364       );
 365       let elt = e
 366         ? e.target
 367         : document.getElementById("btn" + letter.toUpperCase() + type);
 368       elt.classList.add("active");
 369       elt.classList.remove("somethingnew"); //in case of
 370       if (!!elt.previousElementSibling)
 371         elt.previousElementSibling.classList.remove("active");
 372       else elt.nextElementSibling.classList.remove("active");
 373     },
 374     isGamer: function(sid) {
 375       return this.people[sid].pages.some(p => p.indexOf("/game/") >= 0);
 376     },
 377     challenge: function(sid) {
 378       // Available, in Hall (only)
 379       this.newchallenge.to = this.people[sid].name;
 380       document.getElementById("modalPeople").checked = false;
 381       window.doClick("modalNewgame");
 382     },
 383     watchGame: function(sid) {
 384       // In some game, maybe playing maybe not: show a random one
 385       let gids = [];
 386       this.people[sid].pages.forEach(p => {
 387         const matchGid = p.match(/[a-zA-Z0-9]+$/);
 388         if (!!matchGid) gids.push(matchGid[0]);
 389       });
 390       const gid = gids[Math.floor(Math.random() * gids.length)];
 391       const game = this.games.find(g => g.id == gid);
 392       if (!!game) this.showGame(game);
 393       else this.$router.push("/game/" + gid); //game vs. me
 394     },
 395     showGame: function(g) {
 396       // NOTE: we are an observer, since only games I don't play are shown here
 397       // ==> Moves sent by connected remote player(s) if live game
 398       let url = "/game/" + g.id;
 399       if (g.type == "live")
 400         url += "?rid=" + g.rids[Math.floor(Math.random() * g.rids.length)];
 401       this.$router.push(url);
 402     },
 403     resetSocialColor: function() {
 404       // TODO: this is called twice, once on opening an once on closing
 405       document.getElementById("peopleBtn").classList.remove("somethingnew");
 406     },
 407     processChat: function(chat) {
 408       this.send("newchat", { data: chat });
 409     },
 410     getOppsid: function(c) {
 411       let oppsid = c.from.sid; //may not be defined if corr + offline opp
 412       if (!oppsid) {
 413         oppsid = Object.keys(this.people).find(
 414           sid => this.people[sid].id == c.from.id
 415         );
 416       }
 417       return oppsid;
 418     },
 419     // Messaging center:
 420     socketMessageListener: function(msg) {
 421       if (!this.conn) return;
 422       const data = JSON.parse(msg.data);
 423       switch (data.code) {
 424         case "pollclientsandgamers": {
 425           // Since people can be both in Hall and Game,
 426           // need to track "askIdentity" requests:
 427           let identityAsked = {};
 428           data.sockIds.forEach(s => {
 429             const page = s.page || "/";
 430             if (s.sid != this.st.user.sid && !identityAsked[s.sid]) {
 431               this.send("askidentity", { target: s.sid, page: page });
 432               identityAsked[s.sid] = true;
 433             }
 434             if (!this.people[s.sid])
 435               // Do not set name or id: identity unknown yet
 436               this.$set(this.people, s.sid, { pages: [page] });
 437             else if (this.people[s.sid].pages.indexOf(page) < 0)
 438               this.people[s.sid].pages.push(page);
 439             if (!s.page)
 440               // Peer is in Hall
 441               this.send("askchallenge", { target: s.sid });
 442             // Peer is in Game
 443             else this.send("askgame", { target: s.sid, page: page });
 444           });
 445           break;
 446         }
 447         case "connect":
 448         case "gconnect": {
 449           const page = data.page || "/";
 450           // NOTE: player could have been polled earlier, but might have logged in then
 451           // So it's a good idea to ask identity if he was anonymous.
 452           // But only ask game / challenge if currently disconnected.
 453           if (!this.people[data.from]) {
 454             this.$set(this.people, data.from, { pages: [page] });
 455             if (data.code == "connect")
 456               this.send("askchallenge", { target: data.from });
 457             else this.send("askgame", { target: data.from, page: page });
 458           } else {
 459             // Append page if not already in list
 460             if (this.people[data.from].pages.indexOf(page) < 0)
 461               this.people[data.from].pages.push(page);
 462           }
 463           if (!this.people[data.from].name && this.people[data.from].id !== 0) {
 464             // Identity not known yet
 465             this.newConnect[data.from] = true; //for self multi-connects tests
 466             this.send("askidentity", { target: data.from, page: page });
 467           }
 468           break;
 469         }
 470         case "disconnect":
 471         case "gdisconnect": {
 472           // If the user reloads the page twice very quickly (experienced with Firefox),
 473           // the first reload won't have time to connect but will trigger a "close" event anyway.
 474           // ==> Next check is required.
 475           if (!this.people[data.from]) return;
 476           // Disconnect means no more tmpIds:
 477           if (data.code == "disconnect") {
 478             // Remove the live challenge sent by this player:
 479             ArrayFun.remove(
 480               this.challenges,
 481               c => c.type == "live" && c.from.sid == data.from
 482             );
 483           } else {
 484             // Remove the matching live game if now unreachable
 485             const gid = data.page.match(/[a-zA-Z0-9]+$/)[0];
 486             const gidx = this.games.findIndex(g => g.id == gid);
 487             if (gidx >= 0) {
 488               const game = this.games[gidx];
 489               if (
 490                 game.type == "live" &&
 491                 game.rids.length == 1 &&
 492                 game.rids[0] == data.from
 493               ) {
 494                 this.games.splice(gidx, 1);
 495               }
 496             }
 497           }
 498           const page = data.page || "/";
 499           ArrayFun.remove(this.people[data.from].pages, p => p == page);
 500           if (this.people[data.from].pages.length == 0)
 501             this.$delete(this.people, data.from);
 502           break;
 503         }
 504         case "killed":
 505           // I logged in elsewhere:
 506           this.conn = null;
 507           alert(this.st.tr["New connexion detected: tab now offline"]);
 508           break;
 509         case "askidentity": {
 510           // Request for identification (TODO: anonymous shouldn't need to reply)
 511           const me = {
 512             // Decompose to avoid revealing email
 513             name: this.st.user.name,
 514             sid: this.st.user.sid,
 515             id: this.st.user.id
 516           };
 517           this.send("identity", { data: me, target: data.from });
 518           break;
 519         }
 520         case "identity": {
 521           const user = data.data;
 522           this.$set(this.people, user.sid, {
 523             id: user.id,
 524             name: user.name,
 525             pages: this.people[user.sid].pages
 526           });
 527           // If I multi-connect, kill current connexion if no mark (I'm older)
 528           if (this.newConnect[user.sid]) {
 529             if (
 530               user.id > 0 &&
 531               user.id == this.st.user.id &&
 532               user.sid != this.st.user.sid &&
 533               !this.killed[this.st.user.sid]
 534             ) {
 535                 this.send("killme", { sid: this.st.user.sid });
 536                 this.killed[this.st.user.sid] = true;
 537             }
 538             delete this.newConnect[user.sid];
 539           }
 540           break;
 541         }
 542         case "askchallenge": {
 543           // Send my current live challenge (if any)
 544           const cIdx = this.challenges.findIndex(
 545             c => c.from.sid == this.st.user.sid && c.type == "live"
 546           );
 547           if (cIdx >= 0) {
 548             const c = this.challenges[cIdx];
 549             // NOTE: in principle, should only send targeted challenge to the target.
 550             // But we may not know yet the identity of the target (just name),
 551             // so cannot decide if data.from is the target or not.
 552             const myChallenge = {
 553               id: c.id,
 554               from: this.st.user.sid,
 555               to: c.to,
 556               randomness: c.randomness,
 557               fen: c.fen,
 558               vid: c.vid,
 559               cadence: c.cadence,
 560               added: c.added
 561             };
 562             this.send("challenge", { data: myChallenge, target: data.from });
 563           }
 564           break;
 565         }
 566         case "challenge": //after "askchallenge"
 567         case "newchallenge": {
 568           // NOTE about next condition: see "askchallenge" case.
 569           const chall = data.data;
 570           if (
 571             !chall.to ||
 572             (this.people[chall.from].id > 0 &&
 573               (chall.from == this.st.user.sid || chall.to == this.st.user.name))
 574           ) {
 575             let newChall = Object.assign({}, chall);
 576             newChall.type = this.classifyObject(chall);
 577             newChall.randomness = chall.randomness;
 578             newChall.added = Date.now();
 579             let fromValues = Object.assign({}, this.people[chall.from]);
 580             delete fromValues["pages"]; //irrelevant in this context
 581             newChall.from = Object.assign({ sid: chall.from }, fromValues);
 582             newChall.vname = this.getVname(newChall.vid);
 583             this.challenges.push(newChall);
 584             if (
 585               (newChall.type == "live" && this.cdisplay == "corr") ||
 586               (newChall.type == "corr" && this.cdisplay == "live")
 587             ) {
 588               document
 589                 .getElementById("btnC" + newChall.type)
 590                 .classList.add("somethingnew");
 591             }
 592           }
 593           break;
 594         }
 595         case "refusechallenge": {
 596           const cid = data.data;
 597           ArrayFun.remove(this.challenges, c => c.id == cid);
 598           alert(this.st.tr["Challenge declined"]);
 599           break;
 600         }
 601         case "deletechallenge": {
 602           // NOTE: the challenge may be already removed
 603           const cid = data.data;
 604           ArrayFun.remove(this.challenges, c => c.id == cid);
 605           break;
 606         }
 607         case "game": //individual request
 608         case "newgame": {
 609           // NOTE: it may be live or correspondance
 610           const game = data.data;
 611           // Ignore games where I play (corr games)
 612           if (game.players.every(p =>
 613             p.sid != this.st.user.sid || p.id != this.st.user.id))
 614           {
 615             let locGame = this.games.find(g => g.id == game.id);
 616             if (!locGame) {
 617               let newGame = game;
 618               newGame.type = this.classifyObject(game);
 619               newGame.vname = this.getVname(game.vid);
 620               if (!game.score)
 621                 //if new game from Hall
 622                 newGame.score = "*";
 623               newGame.rids = [game.rid];
 624               delete newGame["rid"];
 625               this.games.push(newGame);
 626               if (
 627                 (newGame.type == "live" && this.gdisplay == "corr") ||
 628                 (newGame.type == "corr" && this.gdisplay == "live")
 629               ) {
 630                 document
 631                   .getElementById("btnG" + newGame.type)
 632                   .classList.add("somethingnew");
 633               }
 634             } else {
 635               // Append rid (if not already in list)
 636               if (!locGame.rids.includes(game.rid)) locGame.rids.push(game.rid);
 637             }
 638           }
 639           break;
 640         }
 641         case "result": {
 642           let g = this.games.find(g => g.id == data.gid);
 643           if (!!g) g.score = data.score;
 644           break;
 645         }
 646         case "startgame": {
 647           // New game just started: data contain all information
 648           const gameInfo = data.data;
 649           if (this.classifyObject(gameInfo) == "live")
 650             this.startNewGame(gameInfo);
 651           else {
 652             this.infoMessage =
 653               this.st.tr["New correspondance game:"] +
 654               " <a href='#/game/" +
 655               gameInfo.id +
 656               "'>" +
 657               "#/game/" +
 658               gameInfo.id +
 659               "</a>";
 660             let modalBox = document.getElementById("modalInfo");
 661             modalBox.checked = true;
 662           }
 663           break;
 664         }
 665         case "newchat":
 666           this.newChat = data.data;
 667           if (!document.getElementById("modalPeople").checked)
 668             document.getElementById("peopleBtn").classList.add("somethingnew");
 669           break;
 670       }
 671     },
 672     socketCloseListener: function() {
 673       if (!this.conn) return;
 674       this.conn = new WebSocket(this.connexionString);
 675       this.conn.addEventListener("message", this.socketMessageListener);
 676       this.conn.addEventListener("close", this.socketCloseListener);
 677     },
 678     // Challenge lifecycle:
 679     loadNewchallVariant: async function(cb) {
 680       const vname = this.getVname(this.newchallenge.vid);
 681       const vModule = await import("@/variants/" + vname + ".js");
 682       this.newchallenge.V = vModule.VariantRules;
 683       this.newchallenge.vname = vname;
 684       if (!!cb)
 685         cb();
 686     },
 687     trySetNewchallDiag: function() {
 688       if (!this.newchallenge.fen) {
 689         this.newchallenge.diag = "";
 690         return;
 691       }
 692       // If vid > 0 then the variant is loaded (function above):
 693       window.V = this.newchallenge.V;
 694       if (
 695         this.newchallenge.vid > 0 &&
 696         !!this.newchallenge.fen &&
 697         V.IsGoodFen(this.newchallenge.fen)
 698       ) {
 699         const parsedFen = V.ParseFen(this.newchallenge.fen);
 700         this.newchallenge.diag = getDiagram({
 701           position: parsedFen.position,
 702           orientation: V.GetOppCol(parsedFen.turn)
 703         });
 704       }
 705     },
 706     newChallenge: async function() {
 707       if (!!(this.newchallenge.cadence.match(/^[0-9]+$/)))
 708         this.newchallenge.cadence += "+0"; //assume minutes, no increment
 709       const ctype = this.classifyObject(this.newchallenge);
 710       // TODO: cadence still unchecked so ctype could be wrong...
 711       let error = "";
 712       if (!this.newchallenge.vid)
 713         error = this.st.tr["Please select a variant"];
 714       else if (ctype == "corr" && this.st.user.id <= 0)
 715         error = this.st.tr["Please log in to play correspondance games"];
 716       else if (!!this.newchallenge.to) {
 717         if (this.newchallenge.to == this.st.user.name)
 718           error = this.st.tr["Self-challenge is forbidden"];
 719         else if (
 720           ctype == "live" &&
 721           Object.values(this.people).every(p => p.name != this.newchallenge.to)
 722         )
 723           error = this.newchallenge.to + " " + this.st.tr["is not online"];
 724       }
 725       if (error) {
 726         alert(error);
 727         return;
 728       }
 729       window.V = this.newchallenge.V;
 730       error = checkChallenge(this.newchallenge);
 731       if (error) {
 732         alert(error);
 733         return;
 734       }
 735       // NOTE: "from" information is not required here
 736       let chall = Object.assign({}, this.newchallenge);
 737       delete chall["V"];
 738       delete chall["diag"];
 739       const finishAddChallenge = cid => {
 740         chall.id = cid || "c" + getRandString();
 741         // Remove old challenge if any (only one at a time of a given type):
 742         const cIdx = this.challenges.findIndex(
 743           c =>
 744             (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id) &&
 745             c.type == ctype
 746         );
 747         if (cIdx >= 0) {
 748           // Delete current challenge (will be replaced now)
 749           this.send("deletechallenge", { data: this.challenges[cIdx].id });
 750           if (ctype == "corr") {
 751             ajax("/challenges", "DELETE", { id: this.challenges[cIdx].id });
 752           }
 753           this.challenges.splice(cIdx, 1);
 754         }
 755         this.send("newchallenge", {
 756           data: Object.assign({ from: this.st.user.sid }, chall)
 757         });
 758         // Add new challenge:
 759         chall.from = {
 760           // Decompose to avoid revealing email
 761           sid: this.st.user.sid,
 762           id: this.st.user.id,
 763           name: this.st.user.name
 764         };
 765         chall.added = Date.now();
 766         // NOTE: vname and type are redundant (can be deduced from cadence + vid)
 767         chall.type = ctype;
 768         chall.vname = this.newchallenge.vname;
 769         this.challenges.push(chall);
 770         // Remember cadence  + vid for quicker further challenges:
 771         localStorage.setItem("cadence", chall.cadence);
 772         localStorage.setItem("vid", chall.vid);
 773         localStorage.setItem("randomness", chall.randomness);
 774         document.getElementById("modalNewgame").checked = false;
 775         // Show the challenge if not on current display
 776         if (
 777           (ctype == "live" && this.cdisplay == "corr") ||
 778           (ctype == "corr" && this.cdisplay == "live")
 779         ) {
 780           this.setDisplay('c', ctype);
 781         }
 782       };
 783       if (ctype == "live") {
 784         // Live challenges have a random ID
 785         finishAddChallenge(null);
 786       } else {
 787         // Correspondance game: send challenge to server
 788         ajax("/challenges", "POST", { chall: chall }, response => {
 789           finishAddChallenge(response.cid);
 790         });
 791       }
 792     },
 793     // Callback function after a diagram was showed to accept
 794     // or refuse targetted challenge:
 795     decisionChallenge: function(accepted) {
 796       this.curChallToAccept.accepted = accepted;
 797       this.finishProcessingChallenge(this.curChallToAccept);
 798       document.getElementById("modalAccept").checked = false;
 799     },
 800     finishProcessingChallenge: function(c) {
 801       if (c.accepted) {
 802         c.seat = {
 803           // Again, avoid c.seat = st.user to not reveal email
 804           sid: this.st.user.sid,
 805           id: this.st.user.id,
 806           name: this.st.user.name
 807         };
 808         this.launchGame(c);
 809       } else {
 810         const oppsid = this.getOppsid(c);
 811         if (!!oppsid)
 812           this.send("refusechallenge", { data: c.id, target: oppsid });
 813         if (c.type == "corr")
 814           ajax("/challenges", "DELETE", { id: c.id });
 815       }
 816       this.send("deletechallenge", { data: c.id });
 817     },
 818     clickChallenge: async function(c) {
 819       const myChallenge =
 820         c.from.sid == this.st.user.sid || //live
 821         (this.st.user.id > 0 && c.from.id == this.st.user.id); //corr
 822       if (!myChallenge) {
 823         if (c.type == "corr" && this.st.user.id <= 0) {
 824           alert(this.st.tr["Please log in to accept corr challenges"]);
 825           return;
 826         }
 827         c.accepted = true;
 828         const vModule = await import("@/variants/" + c.vname + ".js");
 829         window.V = vModule.VariantRules;
 830         if (!!c.to) {
 831           // c.to == this.st.user.name (connected)
 832           if (!!c.fen) {
 833             const parsedFen = V.ParseFen(c.fen);
 834             c.mycolor = V.GetOppCol(parsedFen.turn);
 835             this.tchallDiag = getDiagram({
 836               position: parsedFen.position,
 837               orientation: c.mycolor
 838             });
 839             this.curChallToAccept = c;
 840             document.getElementById("modalAccept").checked = true;
 841           }
 842           else {
 843             if (!confirm(this.st.tr["Accept challenge?"]))
 844               c.accepted = false;
 845             this.finishProcessingChallenge(c);
 846           }
 847         }
 848         else
 849           this.finishProcessingChallenge(c);
 850       }
 851       else {
 852         // My challenge
 853         if (c.type == "corr")
 854           ajax("/challenges", "DELETE", { id: c.id });
 855         this.send("deletechallenge", { data: c.id });
 856       }
 857       // In all cases, the challenge is consumed:
 858       ArrayFun.remove(this.challenges, ch => ch.id == c.id);
 859     },
 860     // NOTE: when launching game, the challenge is already being deleted
 861     launchGame: function(c) {
 862       // These game informations will be shared
 863       let gameInfo = {
 864         id: getRandString(),
 865         fen: c.fen || V.GenRandInitFen(c.randomness),
 866         // White player index 0, black player index 1:
 867         players: c.mycolor
 868           ? (c.mycolor == "w" ? [c.seat, c.from] : [c.from, c.seat])
 869           : shuffle([c.from, c.seat]),
 870         vid: c.vid,
 871         cadence: c.cadence
 872       };
 873       const notifyNewgame = () => {
 874         const oppsid = this.getOppsid(c);
 875         if (!!oppsid)
 876           //opponent is online
 877           this.send("startgame", { data: gameInfo, target: oppsid });
 878         // Send game info (only if live) to everyone except me in this tab
 879         this.send("newgame", { data: gameInfo });
 880       };
 881       if (c.type == "live") {
 882         notifyNewgame();
 883         this.startNewGame(gameInfo);
 884       } //corr: game only on server
 885       else {
 886         ajax(
 887           "/games",
 888           "POST",
 889           { gameInfo: gameInfo, cid: c.id }, //cid useful to delete challenge
 890           response => {
 891             gameInfo.id = response.gameId;
 892             notifyNewgame();
 893             this.$router.push("/game/" + response.gameId);
 894           }
 895         );
 896       }
 897     },
 898     // NOTE: for live games only (corr games start on the server)
 899     startNewGame: function(gameInfo) {
 900       const game = Object.assign({}, gameInfo, {
 901         // (other) Game infos: constant
 902         fenStart: gameInfo.fen,
 903         vname: this.getVname(gameInfo.vid),
 904         created: Date.now(),
 905         // Game state (including FEN): will be updated
 906         moves: [],
 907         clocks: [-1, -1], //-1 = unstarted
 908         initime: [0, 0], //initialized later
 909         score: "*"
 910       });
 911       GameStorage.add(game, (err) => {
 912         // If an error occurred, game is not added: abort
 913         if (!err) {
 914           if (this.st.settings.sound)
 915             new Audio("/sounds/newgame.flac").play().catch(() => {});
 916           this.$router.push("/game/" + gameInfo.id);
 917         }
 918       });
 919     }
 920   }
 921 };
 922 </script>
 923
 924 <style lang="sass" scoped>
 925 .active
 926   color: #42a983
 927
 928 #infoDiv > .card
 929   padding: 15px 0
 930   max-width: 430px
 931
 932 #newgameDiv > .card, #acceptDiv > .card
 933   max-width: 767px
 934   max-height: 100%
 935
 936 div#peopleWrap > .card
 937   max-height: 100%
 938
 939 @media screen and (min-width: 1281px)
 940   div#peopleWrap > .card
 941     max-width: 66.67%
 942
 943 @media screen and (max-width: 1280px)
 944   div#peopleWrap > .card
 945     max-width: 83.33%
 946
 947 @media screen and (max-width: 767px)
 948   div#peopleWrap > .card
 949     max-width: 100%
 950
 951 #players
 952   width: 50%
 953   position: relative
 954   float: left
 955
 956 #chat
 957   width: 50%
 958   float: left
 959   position: relative
 960
 961 @media screen and (max-width: 767px)
 962   #players, #chats
 963     width: 100%
 964
 965 #chat > .card
 966   max-width: 100%
 967   margin: 0;
 968   border: none;
 969
 970 #players > p
 971   margin-left: 5px
 972
 973 .anonymous
 974   font-style: italic
 975
 976 button.player-action
 977   margin-left: 32px
 978
 979 .somethingnew
 980   background-color: #c5fefe !important
 981
 982 .tabbtn
 983   background-color: #f9faee
 984
 985 button.acceptBtn
 986   background-color: lightgreen
 987 button.refuseBtn
 988   background-color: red
 989
 990 #buttonsTchall
 991   margin-top: 10px
 992
 993 .variantName
 994   font-weight: bold
 995
 996 .diagram
 997   margin: 0 auto
 998   max-width: 400px
 999
1000 #inputFen
1001   width: 100%
1002
1003 #div2, #div3
1004   margin-top: 15px
1005 @media screen and (max-width: 767px)
1006   #div2, #div3
1007     margin-top: 0
1008 </style>