client/src/views/Hall.vue

   1 <template lang="pug">
   2 main
   3   input#modalInfo.modal(type="checkbox")
   4   div#infoDiv(role="dialog" data-checkbox="modalInfo")
   5     .card.text-center
   6       label.modal-close(for="modalInfo")
   7       p(v-html="infoMessage")
   8   input#modalNewgame.modal(type="checkbox")
   9   div#newgameDiv(role="dialog" data-checkbox="modalNewgame")
  10     .card
  11       label#closeNewgame.modal-close(for="modalNewgame")
  12       form(@submit.prevent="newChallenge()" @keyup.enter="newChallenge()")
  13         fieldset
  14           label(for="selectVariant") {{ st.tr["Variant"] }} *
  15           select#selectVariant(v-model="newchallenge.vid")
  16             option(v-for="v in st.variants" :value="v.id"
  17                 :selected="newchallenge.vid==v.id")
  18               | {{ v.name }}
  19         fieldset
  20           label(for="cadence") {{ st.tr["Cadence"] }} *
  21           div#predefinedCadences
  22             button 3+2
  23             button 5+3
  24             button 15+5
  25           input#cadence(type="text" v-model="newchallenge.cadence"
  26             placeholder="5+0, 1h+30s, 7d+1d ...")
  27         fieldset(v-if="st.user.id > 0")
  28           label(for="selectPlayers") {{ st.tr["Play with?"] }}
  29           input#selectPlayers(type="text" v-model="newchallenge.to")
  30         fieldset(v-if="st.user.id > 0 && newchallenge.to.length > 0")
  31           label(for="inputFen") FEN
  32           input#inputFen(type="text" v-model="newchallenge.fen")
  33       button(@click="newChallenge()") {{ st.tr["Send challenge"] }}
  34   input#modalPeople.modal(type="checkbox" @click="resetChatColor()")
  35   div#peopleWrap(role="dialog" data-checkbox="modalPeople")
  36     .card
  37       label.modal-close(for="modalPeople")
  38       #people
  39         #players
  40           p(v-for="sid in Object.keys(people)" v-if="!!people[sid].name")
  41             span {{ people[sid].name }}
  42             button.player-action(v-if="sid!=st.user.sid || isGamer(sid)" @click="challOrWatch(sid)")
  43               | {{ getActionLabel(sid) }}
  44           p.anonymous @nonymous ({{ anonymousCount }})
  45         #chat
  46           Chat(:newChat="newChat" @mychat="processChat" :pastChats="[]")
  47         .clearer
  48   .row
  49     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
  50       .button-group
  51         button#peopleBtn(onClick="doClick('modalPeople')") {{ st.tr["Social"] }}
  52         button(onClick="doClick('modalNewgame')") {{ st.tr["New game"] }}
  53   .row
  54     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
  55       div#div2
  56         .button-group
  57           button.tabbtn#btnClive(@click="setDisplay('c','live',$event)")
  58             | {{ st.tr["Live challenges"] }}
  59           button.tabbtn#btnCcorr(@click="setDisplay('c','corr',$event)")
  60             | {{ st.tr["Correspondance challenges"] }}
  61         ChallengeList(v-show="cdisplay=='live'"
  62           :challenges="filterChallenges('live')" @click-challenge="clickChallenge")
  63         ChallengeList(v-show="cdisplay=='corr'"
  64           :challenges="filterChallenges('corr')" @click-challenge="clickChallenge")
  65       div#div3
  66         .button-group
  67           button.tabbtn#btnGlive(@click="setDisplay('g','live',$event)")
  68             | {{ st.tr["Live games"] }}
  69           button.tabbtn#btnGcorr(@click="setDisplay('g','corr',$event)")
  70             | {{ st.tr["Correspondance games"] }}
  71         GameList(v-show="gdisplay=='live'" :games="filterGames('live')"
  72           :showBoth="true" @show-game="showGame")
  73         GameList(v-show="gdisplay=='corr'" :games="filterGames('corr')"
  74           :showBoth="true" @show-game="showGame")
  75 </template>
  76
  77 <script>
  78 import { store } from "@/store";
  79 import { checkChallenge } from "@/data/challengeCheck";
  80 import { ArrayFun } from "@/utils/array";
  81 import { ajax } from "@/utils/ajax";
  82 import params from "@/parameters";
  83 import { getRandString, shuffle } from "@/utils/alea";
  84 import Chat from "@/components/Chat.vue";
  85 import GameList from "@/components/GameList.vue";
  86 import ChallengeList from "@/components/ChallengeList.vue";
  87 import { GameStorage } from "@/utils/gameStorage";
  88 import { processModalClick } from "@/utils/modalClick";
  89 export default {
  90   name: "my-hall",
  91   components: {
  92     Chat,
  93     GameList,
  94     ChallengeList
  95   },
  96   data: function() {
  97     return {
  98       st: store.state,
  99       cdisplay: "live", //or corr
 100       gdisplay: "live",
 101       games: [],
 102       challenges: [],
 103       people: {},
 104       infoMessage: "",
 105       newchallenge: {
 106         fen: "",
 107         vid: localStorage.getItem("vid") || "",
 108         to: "", //name of challenged player (if any)
 109         cadence: localStorage.getItem("cadence") || ""
 110       },
 111       newChat: "",
 112       conn: null,
 113       connexionString: "",
 114       // Related to (killing of) self multi-connects:
 115       newConnect: {},
 116       killed: {}
 117     };
 118   },
 119   watch: {
 120     // st.variants changes only once, at loading from [] to [...]
 121     "st.variants": function() {
 122       // Set potential challenges and games variant names:
 123       this.challenges.concat(this.games).forEach(o => {
 124         if (o.vname == "") o.vname = this.getVname(o.vid);
 125       });
 126     }
 127   },
 128   computed: {
 129     anonymousCount: function() {
 130       let count = 0;
 131       Object.values(this.people).forEach(p => {
 132         count += !p.name ? 1 : 0;
 133       });
 134       return count;
 135     }
 136   },
 137   created: function() {
 138     const my = this.st.user;
 139     this.$set(this.people, my.sid, { id: my.id, name: my.name, pages: ["/"] });
 140     // Ask server for current corr games (all but mines)
 141     ajax(
 142       "/games",
 143       "GET",
 144       { uid: this.st.user.id, excluded: true },
 145       response => {
 146         this.games = this.games.concat(
 147           response.games.map(g => {
 148             const type = this.classifyObject(g);
 149             const vname = this.getVname(g.vid);
 150             return Object.assign({}, g, { type: type, vname: vname });
 151           })
 152         );
 153       }
 154     );
 155     // Also ask for corr challenges (open + sent by/to me)
 156     ajax("/challenges", "GET", { uid: this.st.user.id }, response => {
 157       // Gather all senders names, and then retrieve full identity:
 158       // (TODO [perf]: some might be online...)
 159       let names = {};
 160       response.challenges.forEach(c => {
 161         if (c.uid != this.st.user.id) names[c.uid] = "";
 162         //unknwon for now
 163         else if (!!c.target && c.target != this.st.user.id)
 164           names[c.target] = "";
 165       });
 166       const addChallenges = () => {
 167         names[this.st.user.id] = this.st.user.name; //in case of
 168         this.challenges = this.challenges.concat(
 169           response.challenges.map(c => {
 170             const from = { name: names[c.uid], id: c.uid }; //or just name
 171             const type = this.classifyObject(c);
 172             const vname = this.getVname(c.vid);
 173             return Object.assign(
 174               {},
 175               {
 176                 type: type,
 177                 vname: vname,
 178                 from: from,
 179                 to: c.target ? names[c.target] : ""
 180               },
 181               c
 182             );
 183           })
 184         );
 185       };
 186       if (Object.keys(names).length > 0) {
 187         ajax(
 188           "/users",
 189           "GET",
 190           { ids: Object.keys(names).join(",") },
 191           response2 => {
 192             response2.users.forEach(u => {
 193               names[u.id] = u.name;
 194             });
 195             addChallenges();
 196           }
 197         );
 198       } else addChallenges();
 199     });
 200     const connectAndPoll = () => {
 201       this.send("connect");
 202       this.send("pollclientsandgamers");
 203     };
 204     // Initialize connection
 205     this.connexionString =
 206       params.socketUrl +
 207       "/?sid=" +
 208       this.st.user.sid +
 209       "&tmpId=" +
 210       getRandString() +
 211       "&page=" +
 212       encodeURIComponent(this.$route.path);
 213     this.conn = new WebSocket(this.connexionString);
 214     this.conn.onopen = connectAndPoll;
 215     this.conn.onmessage = this.socketMessageListener;
 216     this.conn.onclose = this.socketCloseListener;
 217   },
 218   mounted: function() {
 219     ["peopleWrap", "infoDiv", "newgameDiv"].forEach(eltName => {
 220       let elt = document.getElementById(eltName);
 221       elt.addEventListener("click", processModalClick);
 222     });
 223     document.querySelectorAll("#predefinedCadences > button").forEach(b => {
 224       b.addEventListener("click", () => {
 225         this.newchallenge.cadence = b.innerHTML;
 226       });
 227     });
 228     const showCtype = localStorage.getItem("type-challenges") || "live";
 229     const showGtype = localStorage.getItem("type-games") || "live";
 230     this.setDisplay("c", showCtype);
 231     this.setDisplay("g", showGtype);
 232   },
 233   beforeDestroy: function() {
 234     this.send("disconnect");
 235   },
 236   methods: {
 237     // Helpers:
 238     send: function(code, obj) {
 239       if (this.conn) {
 240         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 241       }
 242     },
 243     getVname: function(vid) {
 244       const variant = this.st.variants.find(v => v.id == vid);
 245       // this.st.variants might be uninitialized (variant == null)
 246       return variant ? variant.name : "";
 247     },
 248     filterChallenges: function(type) {
 249       return this.challenges.filter(c => c.type == type);
 250     },
 251     filterGames: function(type) {
 252       return this.games.filter(g => g.type == type);
 253     },
 254     classifyObject: function(o) {
 255       //challenge or game
 256       return o.cadence.indexOf("d") === -1 ? "live" : "corr";
 257     },
 258     setDisplay: function(letter, type, e) {
 259       this[letter + "display"] = type;
 260       localStorage.setItem(
 261         "type-" + (letter == "c" ? "challenges" : "games"),
 262         type
 263       );
 264       let elt = e
 265         ? e.target
 266         : document.getElementById("btn" + letter.toUpperCase() + type);
 267       elt.classList.add("active");
 268       elt.classList.remove("somethingnew"); //in case of
 269       if (elt.previousElementSibling)
 270         elt.previousElementSibling.classList.remove("active");
 271       else elt.nextElementSibling.classList.remove("active");
 272     },
 273     isGamer: function(sid) {
 274       return this.people[sid].pages.some(p => p.indexOf("/game/") >= 0);
 275     },
 276     getActionLabel: function(sid) {
 277       return this.people[sid].pages.some(p => p == "/")
 278         ? "Challenge"
 279         : "Observe";
 280     },
 281     challOrWatch: function(sid) {
 282       if (this.people[sid].pages.some(p => p == "/")) {
 283         // Available, in Hall
 284         this.newchallenge.to = this.people[sid].name;
 285         document.getElementById("modalPeople").checked = false;
 286         window.doClick("modalNewgame");
 287       } else {
 288         // In some game, maybe playing maybe not: show a random one
 289         let gids = [];
 290         this.people[sid].pages.forEach(p => {
 291           const matchGid = p.match(/[a-zA-Z0-9]+$/);
 292           if (matchGid) gids.push(matchGid[0]);
 293         });
 294         const gid = gids[Math.floor(Math.random() * gids.length)];
 295         this.showGame(this.games.find(g => g.id == gid));
 296       }
 297     },
 298     showGame: function(g) {
 299       // NOTE: we are an observer, since only games I don't play are shown here
 300       // ==> Moves sent by connected remote player(s) if live game
 301       let url = "/game/" + g.id;
 302       if (g.type == "live")
 303         url += "?rid=" + g.rids[Math.floor(Math.random() * g.rids.length)];
 304       this.$router.push(url);
 305     },
 306     resetChatColor: function() {
 307       // TODO: this is called twice, once on opening an once on closing
 308       document.getElementById("peopleBtn").classList.remove("somethingnew");
 309     },
 310     processChat: function(chat) {
 311       this.send("newchat", { data: chat });
 312     },
 313     // Messaging center:
 314     socketMessageListener: function(msg) {
 315       if (!this.conn) return;
 316       const data = JSON.parse(msg.data);
 317       switch (data.code) {
 318         case "pollclientsandgamers": {
 319           // Since people can be both in Hall and Game,
 320           // need to track "askIdentity" requests:
 321           let identityAsked = {};
 322           data.sockIds.forEach(s => {
 323             const page = s.page || "/";
 324             if (s.sid != this.st.user.sid && !identityAsked[s.sid]) {
 325               identityAsked[s.sid] = true;
 326               this.send("askidentity", { target: s.sid, page: page });
 327             }
 328             if (!this.people[s.sid])
 329               this.$set(this.people, s.sid, { id: 0, name: "", pages: [page] });
 330             else if (this.people[s.sid].pages.indexOf(page) < 0)
 331               this.people[s.sid].pages.push(page);
 332             if (!s.page)
 333               //peer is in Hall
 334               this.send("askchallenge", { target: s.sid });
 335             //peer is in Game
 336             else this.send("askgame", { target: s.sid, page: page });
 337           });
 338           break;
 339         }
 340         case "connect":
 341         case "gconnect": {
 342           const page = data.page || "/";
 343           // NOTE: player could have been polled earlier, but might have logged in then
 344           // So it's a good idea to ask identity if he was anonymous.
 345           // But only ask game / challenge if currently disconnected.
 346           if (!this.people[data.from]) {
 347             this.$set(this.people, data.from, {
 348               name: "",
 349               id: 0,
 350               pages: [page]
 351             });
 352             if (data.code == "connect")
 353               this.send("askchallenge", { target: data.from });
 354             else this.send("askgame", { target: data.from, page: page });
 355           } else {
 356             // append page if not already in list
 357             if (this.people[data.from].pages.indexOf(page) < 0)
 358               this.people[data.from].pages.push(page);
 359           }
 360           if (this.people[data.from].id == 0) {
 361             this.newConnect[data.from] = true; //for self multi-connects tests
 362             this.send("askidentity", { target: data.from, page: page });
 363           }
 364           break;
 365         }
 366         case "disconnect":
 367         case "gdisconnect": {
 368           // If the user reloads the page twice very quickly (experienced with Firefox),
 369           // the first reload won't have time to connect but will trigger a "close" event anyway.
 370           // ==> Next check is required.
 371           if (!this.people[data.from]) return;
 372           // Disconnect means no more tmpIds:
 373           if (data.code == "disconnect") {
 374             // Remove the live challenge sent by this player:
 375             ArrayFun.remove(this.challenges, c => c.from.sid == data.from);
 376           } else {
 377             // Remove the matching live game if now unreachable
 378             const gid = data.page.match(/[a-zA-Z0-9]+$/)[0];
 379             const gidx = this.games.findIndex(g => g.id == gid);
 380             if (gidx >= 0) {
 381               const game = this.games[gidx];
 382               if (
 383                 game.type == "live" &&
 384                 game.rids.length == 1 &&
 385                 game.rids[0] == data.from
 386               ) {
 387                 this.games.splice(gidx, 1);
 388               }
 389             }
 390           }
 391           const page = data.page || "/";
 392           ArrayFun.remove(this.people[data.from].pages, p => p == page);
 393           if (this.people[data.from].pages.length == 0)
 394             this.$delete(this.people, data.from);
 395           break;
 396         }
 397         case "killed":
 398           // I logged in elsewhere:
 399           alert(this.st.tr["New connexion detected: tab now offline"]);
 400           // TODO: this fails. See https://github.com/websockets/ws/issues/489
 401           //this.conn.removeEventListener("message", this.socketMessageListener);
 402           //this.conn.removeEventListener("close", this.socketCloseListener);
 403           //this.conn.close();
 404           this.conn = null;
 405           break;
 406         case "askidentity": {
 407           // Request for identification (TODO: anonymous shouldn't need to reply)
 408           const me = {
 409             // Decompose to avoid revealing email
 410             name: this.st.user.name,
 411             sid: this.st.user.sid,
 412             id: this.st.user.id
 413           };
 414           this.send("identity", { data: me, target: data.from });
 415           break;
 416         }
 417         case "identity": {
 418           const user = data.data;
 419           if (user.name) {
 420             //otherwise anonymous
 421             // If I multi-connect, kill current connexion if no mark (I'm older)
 422             if (
 423               this.newConnect[user.sid] &&
 424               user.id > 0 &&
 425               user.id == this.st.user.id &&
 426               user.sid != this.st.user.sid
 427             ) {
 428               if (!this.killed[this.st.user.sid]) {
 429                 this.send("killme", { sid: this.st.user.sid });
 430                 this.killed[this.st.user.sid] = true;
 431               }
 432             }
 433             if (user.sid != this.st.user.sid) {
 434               //I already know my identity...
 435               this.$set(this.people, user.sid, {
 436                 id: user.id,
 437                 name: user.name,
 438                 pages: this.people[user.sid].pages
 439               });
 440             }
 441           }
 442           delete this.newConnect[user.sid];
 443           break;
 444         }
 445         case "askchallenge": {
 446           // Send my current live challenge (if any)
 447           const cIdx = this.challenges.findIndex(
 448             c => c.from.sid == this.st.user.sid && c.type == "live"
 449           );
 450           if (cIdx >= 0) {
 451             const c = this.challenges[cIdx];
 452             // NOTE: in principle, should only send targeted challenge to the target.
 453             // But we may not know yet the identity of the target (just name),
 454             // so cannot decide if data.from is the target or not.
 455             const myChallenge = {
 456               id: c.id,
 457               from: this.st.user.sid,
 458               to: c.to,
 459               fen: c.fen,
 460               vid: c.vid,
 461               cadence: c.cadence,
 462               added: c.added
 463             };
 464             this.send("challenge", { data: myChallenge, target: data.from });
 465           }
 466           break;
 467         }
 468         case "challenge": //after "askchallenge"
 469         case "newchallenge": {
 470           // NOTE about next condition: see "askchallenge" case.
 471           const chall = data.data;
 472           if (
 473             !chall.to ||
 474             (this.people[chall.from].id > 0 &&
 475               (chall.from == this.st.user.sid || chall.to == this.st.user.name))
 476           ) {
 477             let newChall = Object.assign({}, chall);
 478             newChall.type = this.classifyObject(chall);
 479             newChall.added = Date.now();
 480             let fromValues = Object.assign({}, this.people[chall.from]);
 481             delete fromValues["pages"]; //irrelevant in this context
 482             newChall.from = Object.assign({ sid: chall.from }, fromValues);
 483             newChall.vname = this.getVname(newChall.vid);
 484             this.challenges.push(newChall);
 485             if (
 486               (newChall.type == "live" && this.cdisplay == "corr") ||
 487               (newChall.type == "corr" && this.cdisplay == "live")
 488             ) {
 489               document
 490                 .getElementById("btnC" + newChall.type)
 491                 .classList.add("somethingnew");
 492             }
 493           }
 494           break;
 495         }
 496         case "refusechallenge": {
 497           const cid = data.data;
 498           ArrayFun.remove(this.challenges, c => c.id == cid);
 499           alert(this.st.tr["Challenge declined"]);
 500           break;
 501         }
 502         case "deletechallenge": {
 503           // NOTE: the challenge may be already removed
 504           const cid = data.data;
 505           ArrayFun.remove(this.challenges, c => c.id == cid);
 506           break;
 507         }
 508         case "game": //individual request
 509         case "newgame": {
 510           // NOTE: it may be live or correspondance
 511           const game = data.data;
 512           let locGame = this.games.find(g => g.id == game.id);
 513           if (!locGame) {
 514             let newGame = game;
 515             newGame.type = this.classifyObject(game);
 516             newGame.vname = this.getVname(game.vid);
 517             if (!game.score)
 518               //if new game from Hall
 519               newGame.score = "*";
 520             newGame.rids = [game.rid];
 521             delete newGame["rid"];
 522             this.games.push(newGame);
 523             if (
 524               (newGame.type == "live" && this.gdisplay == "corr") ||
 525               (newGame.type == "corr" && this.gdisplay == "live")
 526             ) {
 527               document
 528                 .getElementById("btnG" + newGame.type)
 529                 .classList.add("somethingnew");
 530             }
 531           } else {
 532             // Append rid (if not already in list)
 533             if (!locGame.rids.includes(game.rid)) locGame.rids.push(game.rid);
 534           }
 535           break;
 536         }
 537         case "result": {
 538           let g = this.games.find(g => g.id == data.gid);
 539           if (g) g.score = data.score;
 540           break;
 541         }
 542         case "startgame": {
 543           // New game just started: data contain all information
 544           const gameInfo = data.data;
 545           if (this.classifyObject(gameInfo) == "live")
 546             this.startNewGame(gameInfo);
 547           else {
 548             this.infoMessage =
 549               this.st.tr["New correspondance game:"] +
 550               " <a href='#/game/" +
 551               gameInfo.id +
 552               "'>" +
 553               "#/game/" +
 554               gameInfo.id +
 555               "</a>";
 556             let modalBox = document.getElementById("modalInfo");
 557             modalBox.checked = true;
 558           }
 559           break;
 560         }
 561         case "newchat":
 562           this.newChat = data.data;
 563           if (!document.getElementById("modalPeople").checked)
 564             document.getElementById("peopleBtn").classList.add("somethingnew");
 565           break;
 566       }
 567     },
 568     socketCloseListener: function() {
 569       if (!this.conn) return;
 570       this.conn = new WebSocket(this.connexionString);
 571       this.conn.addEventListener("message", this.socketMessageListener);
 572       this.conn.addEventListener("close", this.socketCloseListener);
 573     },
 574     // Challenge lifecycle:
 575     newChallenge: async function() {
 576       let error = "";
 577       if (this.newchallenge.vid == "")
 578         error = this.st.tr["Please select a variant"];
 579       else if (!!this.newchallenge.to && this.newchallenge.to == this.st.user.name)
 580         error = this.st.tr["Self-challenge is forbidden"];
 581       if (error) {
 582         alert(error);
 583         return;
 584       }
 585       const vname = this.getVname(this.newchallenge.vid);
 586       const vModule = await import("@/variants/" + vname + ".js");
 587       window.V = vModule.VariantRules;
 588       if (this.newchallenge.cadence.match(/^[0-9]+$/))
 589         this.newchallenge.cadence += "+0"; //assume minutes, no increment
 590       const ctype = this.classifyObject(this.newchallenge);
 591       error = checkChallenge(this.newchallenge);
 592       if (!error && ctype == "corr" && this.st.user.id <= 0)
 593         error = this.st.tr["Please log in to play correspondance games"];
 594       if (error) {
 595         alert(error);
 596         return;
 597       }
 598       // NOTE: "from" information is not required here
 599       let chall = Object.assign({}, this.newchallenge);
 600       const finishAddChallenge = cid => {
 601         chall.id = cid || "c" + getRandString();
 602         // Remove old challenge if any (only one at a time of a given type):
 603         const cIdx = this.challenges.findIndex(
 604           c =>
 605             (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id) &&
 606             c.type == ctype
 607         );
 608         if (cIdx >= 0) {
 609           // Delete current challenge (will be replaced now)
 610           this.send("deletechallenge", { data: this.challenges[cIdx].id });
 611           if (ctype == "corr") {
 612             ajax("/challenges", "DELETE", { id: this.challenges[cIdx].id });
 613           }
 614           this.challenges.splice(cIdx, 1);
 615         }
 616         this.send("newchallenge", {
 617           data: Object.assign({ from: this.st.user.sid }, chall)
 618         });
 619         // Add new challenge:
 620         chall.from = {
 621           //decompose to avoid revealing email
 622           sid: this.st.user.sid,
 623           id: this.st.user.id,
 624           name: this.st.user.name
 625         };
 626         chall.added = Date.now();
 627         // NOTE: vname and type are redundant (can be deduced from cadence + vid)
 628         chall.type = ctype;
 629         chall.vname = vname;
 630         this.challenges.push(chall);
 631         // Remember cadence  + vid for quicker further challenges:
 632         localStorage.setItem("cadence", chall.cadence);
 633         localStorage.setItem("vid", chall.vid);
 634         document.getElementById("modalNewgame").checked = false;
 635       };
 636       if (ctype == "live") {
 637         // Live challenges have a random ID
 638         finishAddChallenge(null);
 639       } else {
 640         // Correspondance game: send challenge to server
 641         ajax("/challenges", "POST", { chall: chall }, response => {
 642           finishAddChallenge(response.cid);
 643         });
 644       }
 645     },
 646     clickChallenge: function(c) {
 647       const myChallenge =
 648         c.from.sid == this.st.user.sid || //live
 649         (this.st.user.id > 0 && c.from.id == this.st.user.id); //corr
 650       if (!myChallenge) {
 651         if (c.type == "corr" && this.st.user.id <= 0) {
 652           alert(this.st.tr["Please log in to accept corr challenges"]);
 653           return;
 654         }
 655         c.accepted = true;
 656         if (c.to) {
 657           //c.to == this.st.user.name (connected)
 658           // TODO: if special FEN, show diagram after loading variant
 659           c.accepted = confirm("Accept challenge?");
 660         }
 661         if (c.accepted) {
 662           c.seat = {
 663             //again, avoid c.seat = st.user to not reveal email
 664             sid: this.st.user.sid,
 665             id: this.st.user.id,
 666             name: this.st.user.name
 667           };
 668           this.launchGame(c);
 669         } else {
 670           this.send("refusechallenge", { data: c.id, target: c.from.sid });
 671         }
 672         this.send("deletechallenge", { data: c.id });
 673       } //my challenge
 674       else {
 675         if (c.type == "corr") {
 676           ajax("/challenges", "DELETE", { id: c.id });
 677         }
 678         this.send("deletechallenge", { data: c.id });
 679       }
 680       // In all cases, the challenge is consumed:
 681       ArrayFun.remove(this.challenges, ch => ch.id == c.id);
 682     },
 683     // NOTE: when launching game, the challenge is already being deleted
 684     launchGame: async function(c) {
 685       const vModule = await import("@/variants/" + c.vname + ".js");
 686       window.V = vModule.VariantRules;
 687       // These game informations will be shared
 688       let gameInfo = {
 689         id: getRandString(),
 690         fen: c.fen || V.GenRandInitFen(),
 691         players: shuffle([c.from, c.seat]), //white then black
 692         vid: c.vid,
 693         cadence: c.cadence
 694       };
 695       let oppsid = c.from.sid; //may not be defined if corr + offline opp
 696       if (!oppsid) {
 697         oppsid = Object.keys(this.people).find(
 698           sid => this.people[sid].id == c.from.id
 699         );
 700       }
 701       const notifyNewgame = () => {
 702         if (oppsid)
 703           //opponent is online
 704           this.send("startgame", { data: gameInfo, target: oppsid });
 705         // Send game info (only if live) to everyone except me in this tab
 706         this.send("newgame", { data: gameInfo });
 707       };
 708       if (c.type == "live") {
 709         notifyNewgame();
 710         this.startNewGame(gameInfo);
 711       } //corr: game only on server
 712       else {
 713         ajax(
 714           "/games",
 715           "POST",
 716           { gameInfo: gameInfo, cid: c.id }, //cid useful to delete challenge
 717           response => {
 718             gameInfo.id = response.gameId;
 719             notifyNewgame();
 720             this.$router.push("/game/" + response.gameId);
 721           }
 722         );
 723       }
 724     },
 725     // NOTE: for live games only (corr games start on the server)
 726     startNewGame: function(gameInfo) {
 727       const game = Object.assign({}, gameInfo, {
 728         // (other) Game infos: constant
 729         fenStart: gameInfo.fen,
 730         vname: this.getVname(gameInfo.vid),
 731         created: Date.now(),
 732         // Game state (including FEN): will be updated
 733         moves: [],
 734         clocks: [-1, -1], //-1 = unstarted
 735         initime: [0, 0], //initialized later
 736         score: "*"
 737       });
 738       GameStorage.add(game);
 739       if (this.st.settings.sound >= 1)
 740         new Audio("/sounds/newgame.mp3").play().catch(() => {});
 741       this.$router.push("/game/" + gameInfo.id);
 742     }
 743   }
 744 };
 745 </script>
 746
 747 <style lang="sass" scoped>
 748 .active
 749   color: #42a983
 750
 751 #infoDiv > .card
 752   padding: 15px 0
 753   max-width: 430px
 754
 755 #newgameDiv > .card
 756   max-width: 767px
 757   max-height: 100%
 758
 759 div#peopleWrap > .card
 760   max-height: 100%
 761
 762 @media screen and (min-width: 1281px)
 763   div#peopleWrap > .card
 764     max-width: 66.67%
 765
 766 @media screen and (max-width: 1280px)
 767   div#peopleWrap > .card
 768     max-width: 83.33%
 769
 770 @media screen and (max-width: 767px)
 771   div#peopleWrap > .card
 772     max-width: 100%
 773
 774 #players
 775   width: 50%
 776   position: relative
 777   float: left
 778 #chat
 779   width: 50%
 780   float: left
 781   position: relative
 782 @media screen and (max-width: 767px)
 783   #players, #chats
 784     width: 100%
 785 #chat > .card
 786   max-width: 100%
 787   margin: 0;
 788   border: none;
 789 #players > p
 790   margin-left: 5px
 791 .anonymous
 792   font-style: italic
 793 button.player-action
 794   margin-left: 32px
 795
 796 .somethingnew
 797   background-color: #c5fefe !important
 798
 799 .tabbtn
 800   background-color: #f9faee
 801
 802 #div2, #div3
 803   margin-top: 15px
 804 @media screen and (max-width: 767px)
 805   #div2, #div3
 806     margin-top: 0
 807 </style>