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(type="checkbox")
  23   div#newgameDiv(
  24     role="dialog"
  25     data-checkbox="modalNewgame"
  26   )
  27     .card
  28       label#closeNewgame.modal-close(for="modalNewgame")
  29       div(@keyup.enter="newChallenge()")
  30         fieldset
  31           label(for="selectVariant") {{ st.tr["Variant"] }} *
  32           select#selectVariant(
  33             @change="loadNewchallVariant(trySetNewchallDiag)"
  34             v-model="newchallenge.vid"
  35           )
  36             option(
  37               v-for="v in st.variants"
  38               :value="v.id"
  39               :selected="newchallenge.vid==v.id"
  40             )
  41               | {{ v.name }}
  42         fieldset
  43           label(for="cadence") {{ st.tr["Cadence"] }} *
  44           div#predefinedCadences
  45             button(type="button") 3+2
  46             button(type="button") 5+3
  47             button(type="button") 15+5
  48           input#cadence(
  49             type="text"
  50             v-model="newchallenge.cadence"
  51             placeholder="5+0, 1h+30s, 7d+1d ..."
  52           )
  53         fieldset(v-if="st.user.id > 0")
  54           label(for="selectPlayers") {{ st.tr["Play with?"] }}
  55           input#selectPlayers(
  56             type="text"
  57             v-model="newchallenge.to"
  58           )
  59         fieldset(v-if="st.user.id > 0 && newchallenge.to.length > 0")
  60           input#inputFen(
  61             placeholder="FEN"
  62             @input="trySetNewchallDiag()"
  63             type="text"
  64             v-model="newchallenge.fen"
  65           )
  66         .diagram(v-html="newchallenge.diag")
  67       button(@click="newChallenge()") {{ st.tr["Send challenge"] }}
  68   input#modalPeople.modal(
  69     type="checkbox"
  70     @click="resetChatColor()"
  71   )
  72   div#peopleWrap(
  73     role="dialog"
  74     data-checkbox="modalPeople"
  75   )
  76     .card
  77       label.modal-close(for="modalPeople")
  78       #people
  79         #players
  80           p(
  81             v-for="sid in Object.keys(people)"
  82             v-if="!!people[sid].name"
  83           )
  84             span {{ people[sid].name }}
  85             button.player-action(
  86               v-if="isGamer(sid) || (st.user.id > 0 && sid!=st.user.sid)"
  87               @click="challOrWatch(sid)"
  88             )
  89               | {{ getActionLabel(sid) }}
  90           p.anonymous @nonymous ({{ anonymousCount }})
  91         #chat
  92           Chat(
  93             :newChat="newChat"
  94             @mychat="processChat"
  95             :pastChats="[]"
  96           )
  97         .clearer
  98   .row
  99     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
 100       .button-group
 101         button#peopleBtn(onClick="window.doClick('modalPeople')")
 102           | {{ st.tr["Who's there?"] }}
 103         button(onClick="window.doClick('modalNewgame')")
 104           | {{ st.tr["New game"] }}
 105   .row
 106     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
 107       div#div2
 108         .button-group
 109           button.tabbtn#btnClive(@click="setDisplay('c','live',$event)")
 110             | {{ st.tr["Live challenges"] }}
 111           button.tabbtn#btnCcorr(@click="setDisplay('c','corr',$event)")
 112             | {{ st.tr["Correspondance challenges"] }}
 113         ChallengeList(
 114           v-show="cdisplay=='live'"
 115           :challenges="filterChallenges('live')"
 116           @click-challenge="clickChallenge"
 117         )
 118         ChallengeList(
 119           v-show="cdisplay=='corr'"
 120           :challenges="filterChallenges('corr')"
 121           @click-challenge="clickChallenge"
 122         )
 123       div#div3
 124         .button-group
 125           button.tabbtn#btnGlive(@click="setDisplay('g','live',$event)")
 126             | {{ st.tr["Live games"] }}
 127           button.tabbtn#btnGcorr(@click="setDisplay('g','corr',$event)")
 128             | {{ st.tr["Correspondance games"] }}
 129         GameList(
 130           v-show="gdisplay=='live'"
 131           :games="filterGames('live')"
 132           :showBoth="true"
 133           @show-game="showGame"
 134         )
 135         GameList(
 136           v-show="gdisplay=='corr'"
 137           :games="filterGames('corr')"
 138           :showBoth="true"
 139           @show-game="showGame"
 140         )
 141 </template>
 142
 143 <script>
 144 import { store } from "@/store";
 145 import { checkChallenge } from "@/data/challengeCheck";
 146 import { ArrayFun } from "@/utils/array";
 147 import { ajax } from "@/utils/ajax";
 148 import params from "@/parameters";
 149 import { getRandString, shuffle } from "@/utils/alea";
 150 import { getDiagram } from "@/utils/printDiagram";
 151 import Chat from "@/components/Chat.vue";
 152 import GameList from "@/components/GameList.vue";
 153 import ChallengeList from "@/components/ChallengeList.vue";
 154 import { GameStorage } from "@/utils/gameStorage";
 155 import { processModalClick } from "@/utils/modalClick";
 156 export default {
 157   name: "my-hall",
 158   components: {
 159     Chat,
 160     GameList,
 161     ChallengeList
 162   },
 163   data: function() {
 164     return {
 165       st: store.state,
 166       cdisplay: "live", //or corr
 167       gdisplay: "live",
 168       games: [],
 169       challenges: [],
 170       people: {},
 171       infoMessage: "",
 172       newchallenge: {
 173         fen: "",
 174         vid: parseInt(localStorage.getItem("vid")) || 0,
 175         to: "", //name of challenged player (if any)
 176         cadence: localStorage.getItem("cadence") || "",
 177         // VariantRules object, stored to not interfere with
 178         // diagrams of targetted challenges:
 179         V: null,
 180         vname: "",
 181         diag: "" //visualizing FEN
 182       },
 183       tchallDiag: "",
 184       curChallToAccept: {from: {}},
 185       newChat: "",
 186       conn: null,
 187       connexionString: "",
 188       // Related to (killing of) self multi-connects:
 189       newConnect: {},
 190       killed: {}
 191     };
 192   },
 193   watch: {
 194     // st.variants changes only once, at loading from [] to [...]
 195     "st.variants": function() {
 196       // Set potential challenges and games variant names:
 197       this.challenges.concat(this.games).forEach(o => {
 198         if (o.vname == "") o.vname = this.getVname(o.vid);
 199       });
 200       if (!this.newchallenge.V && this.newchallenge.vid > 0)
 201         this.loadNewchallVariant();
 202     }
 203   },
 204   computed: {
 205     anonymousCount: function() {
 206       let count = 0;
 207       Object.values(this.people).forEach(p => {
 208         count += !p.name ? 1 : 0;
 209       });
 210       return count;
 211     }
 212   },
 213   created: function() {
 214     if (this.st.variants.length > 0 && this.newchallenge.vid > 0)
 215       this.loadNewchallVariant();
 216     const my = this.st.user;
 217     this.$set(this.people, my.sid, { id: my.id, name: my.name, pages: ["/"] });
 218     // Ask server for current corr games (all but mines)
 219     ajax(
 220       "/games",
 221       "GET",
 222       { uid: this.st.user.id, excluded: true },
 223       response => {
 224         this.games = this.games.concat(
 225           response.games.map(g => {
 226             const type = this.classifyObject(g);
 227             const vname = this.getVname(g.vid);
 228             return Object.assign({}, g, { type: type, vname: vname });
 229           })
 230         );
 231       }
 232     );
 233     // Also ask for corr challenges (open + sent by/to me)
 234     ajax("/challenges", "GET", { uid: this.st.user.id }, response => {
 235       // Gather all senders names, and then retrieve full identity:
 236       // (TODO [perf]: some might be online...)
 237       let names = {};
 238       response.challenges.forEach(c => {
 239         if (c.uid != this.st.user.id) names[c.uid] = "";
 240         else if (!!c.target && c.target != this.st.user.id)
 241           names[c.target] = "";
 242       });
 243       const addChallenges = () => {
 244         names[this.st.user.id] = this.st.user.name; //in case of
 245         this.challenges = this.challenges.concat(
 246           response.challenges.map(c => {
 247             const from = { name: names[c.uid], id: c.uid }; //or just name
 248             const type = this.classifyObject(c);
 249             const vname = this.getVname(c.vid);
 250             return Object.assign(
 251               {},
 252               {
 253                 type: type,
 254                 vname: vname,
 255                 from: from,
 256                 to: c.target ? names[c.target] : ""
 257               },
 258               c
 259             );
 260           })
 261         );
 262       };
 263       if (Object.keys(names).length > 0) {
 264         ajax(
 265           "/users",
 266           "GET",
 267           { ids: Object.keys(names).join(",") },
 268           response2 => {
 269             response2.users.forEach(u => {
 270               names[u.id] = u.name;
 271             });
 272             addChallenges();
 273           }
 274         );
 275       } else addChallenges();
 276     });
 277     const connectAndPoll = () => {
 278       this.send("connect");
 279       this.send("pollclientsandgamers");
 280     };
 281     // Initialize connection
 282     this.connexionString =
 283       params.socketUrl +
 284       "/?sid=" +
 285       this.st.user.sid +
 286       "&tmpId=" +
 287       getRandString() +
 288       "&page=" +
 289       encodeURIComponent(this.$route.path);
 290     this.conn = new WebSocket(this.connexionString);
 291     this.conn.onopen = connectAndPoll;
 292     this.conn.onmessage = this.socketMessageListener;
 293     this.conn.onclose = this.socketCloseListener;
 294   },
 295   mounted: function() {
 296     ["peopleWrap", "infoDiv", "newgameDiv"].forEach(eltName => {
 297       let elt = document.getElementById(eltName);
 298       elt.addEventListener("click", processModalClick);
 299     });
 300     document.querySelectorAll("#predefinedCadences > button").forEach(b => {
 301       b.addEventListener("click", () => {
 302         this.newchallenge.cadence = b.innerHTML;
 303       });
 304     });
 305     const dispCorr = this.$route.query["disp"];
 306     const showCtype =
 307       dispCorr || localStorage.getItem("type-challenges") || "live";
 308     const showGtype =
 309       dispCorr || localStorage.getItem("type-games") || "live";
 310     this.setDisplay("c", showCtype);
 311     this.setDisplay("g", showGtype);
 312   },
 313   beforeDestroy: function() {
 314     this.send("disconnect");
 315   },
 316   methods: {
 317     // Helpers:
 318     send: function(code, obj) {
 319       if (this.conn) {
 320         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 321       }
 322     },
 323     getVname: function(vid) {
 324       const variant = this.st.variants.find(v => v.id == vid);
 325       // this.st.variants might be uninitialized (variant == null)
 326       return variant ? variant.name : "";
 327     },
 328     filterChallenges: function(type) {
 329       return this.challenges.filter(c => c.type == type);
 330     },
 331     filterGames: function(type) {
 332       return this.games.filter(g => g.type == type);
 333     },
 334     classifyObject: function(o) {
 335       //challenge or game
 336       return o.cadence.indexOf("d") === -1 ? "live" : "corr";
 337     },
 338     setDisplay: function(letter, type, e) {
 339       this[letter + "display"] = type;
 340       localStorage.setItem(
 341         "type-" + (letter == "c" ? "challenges" : "games"),
 342         type
 343       );
 344       let elt = e
 345         ? e.target
 346         : document.getElementById("btn" + letter.toUpperCase() + type);
 347       elt.classList.add("active");
 348       elt.classList.remove("somethingnew"); //in case of
 349       if (elt.previousElementSibling)
 350         elt.previousElementSibling.classList.remove("active");
 351       else elt.nextElementSibling.classList.remove("active");
 352     },
 353     isGamer: function(sid) {
 354       return this.people[sid].pages.some(p => p.indexOf("/game/") >= 0);
 355     },
 356     getActionLabel: function(sid) {
 357       return this.people[sid].pages.some(p => p == "/")
 358         ? "Challenge"
 359         : "Observe";
 360     },
 361     challOrWatch: function(sid) {
 362       if (this.people[sid].pages.some(p => p == "/")) {
 363         // Available, in Hall
 364         this.newchallenge.to = this.people[sid].name;
 365         document.getElementById("modalPeople").checked = false;
 366         window.doClick("modalNewgame");
 367       } else {
 368         // In some game, maybe playing maybe not: show a random one
 369         let gids = [];
 370         this.people[sid].pages.forEach(p => {
 371           const matchGid = p.match(/[a-zA-Z0-9]+$/);
 372           if (matchGid) gids.push(matchGid[0]);
 373         });
 374         const gid = gids[Math.floor(Math.random() * gids.length)];
 375         const game = this.games.find(g => g.id == gid);
 376         if (game) this.showGame(game);
 377         else this.$router.push("/game/" + gid); //game vs. me
 378       }
 379     },
 380     showGame: function(g) {
 381       // NOTE: we are an observer, since only games I don't play are shown here
 382       // ==> Moves sent by connected remote player(s) if live game
 383       let url = "/game/" + g.id;
 384       if (g.type == "live")
 385         url += "?rid=" + g.rids[Math.floor(Math.random() * g.rids.length)];
 386       this.$router.push(url);
 387     },
 388     resetChatColor: function() {
 389       // TODO: this is called twice, once on opening an once on closing
 390       document.getElementById("peopleBtn").classList.remove("somethingnew");
 391     },
 392     processChat: function(chat) {
 393       this.send("newchat", { data: chat });
 394     },
 395     // Messaging center:
 396     socketMessageListener: function(msg) {
 397       if (!this.conn) return;
 398       const data = JSON.parse(msg.data);
 399       switch (data.code) {
 400         case "pollclientsandgamers": {
 401           // Since people can be both in Hall and Game,
 402           // need to track "askIdentity" requests:
 403           let identityAsked = {};
 404           data.sockIds.forEach(s => {
 405             const page = s.page || "/";
 406             if (s.sid != this.st.user.sid && !identityAsked[s.sid]) {
 407               identityAsked[s.sid] = true;
 408               this.send("askidentity", { target: s.sid, page: page });
 409             }
 410             if (!this.people[s.sid])
 411               this.$set(this.people, s.sid, { id: 0, name: "", pages: [page] });
 412             else if (this.people[s.sid].pages.indexOf(page) < 0)
 413               this.people[s.sid].pages.push(page);
 414             if (!s.page)
 415               //peer is in Hall
 416               this.send("askchallenge", { target: s.sid });
 417             //peer is in Game
 418             else this.send("askgame", { target: s.sid, page: page });
 419           });
 420           break;
 421         }
 422         case "connect":
 423         case "gconnect": {
 424           const page = data.page || "/";
 425           // NOTE: player could have been polled earlier, but might have logged in then
 426           // So it's a good idea to ask identity if he was anonymous.
 427           // But only ask game / challenge if currently disconnected.
 428           if (!this.people[data.from]) {
 429             this.$set(this.people, data.from, {
 430               name: "",
 431               id: 0,
 432               pages: [page]
 433             });
 434             if (data.code == "connect")
 435               this.send("askchallenge", { target: data.from });
 436             else this.send("askgame", { target: data.from, page: page });
 437           } else {
 438             // append page if not already in list
 439             if (this.people[data.from].pages.indexOf(page) < 0)
 440               this.people[data.from].pages.push(page);
 441           }
 442           if (this.people[data.from].id == 0) {
 443             this.newConnect[data.from] = true; //for self multi-connects tests
 444             this.send("askidentity", { target: data.from, page: page });
 445           }
 446           break;
 447         }
 448         case "disconnect":
 449         case "gdisconnect": {
 450           // If the user reloads the page twice very quickly (experienced with Firefox),
 451           // the first reload won't have time to connect but will trigger a "close" event anyway.
 452           // ==> Next check is required.
 453           if (!this.people[data.from]) return;
 454           // Disconnect means no more tmpIds:
 455           if (data.code == "disconnect") {
 456             // Remove the live challenge sent by this player:
 457             ArrayFun.remove(this.challenges, c => c.from.sid == data.from);
 458           } else {
 459             // Remove the matching live game if now unreachable
 460             const gid = data.page.match(/[a-zA-Z0-9]+$/)[0];
 461             const gidx = this.games.findIndex(g => g.id == gid);
 462             if (gidx >= 0) {
 463               const game = this.games[gidx];
 464               if (
 465                 game.type == "live" &&
 466                 game.rids.length == 1 &&
 467                 game.rids[0] == data.from
 468               ) {
 469                 this.games.splice(gidx, 1);
 470               }
 471             }
 472           }
 473           const page = data.page || "/";
 474           ArrayFun.remove(this.people[data.from].pages, p => p == page);
 475           if (this.people[data.from].pages.length == 0)
 476             this.$delete(this.people, data.from);
 477           break;
 478         }
 479         case "killed":
 480           // I logged in elsewhere:
 481           alert(this.st.tr["New connexion detected: tab now offline"]);
 482           // TODO: this fails. See https://github.com/websockets/ws/issues/489
 483           //this.conn.removeEventListener("message", this.socketMessageListener);
 484           //this.conn.removeEventListener("close", this.socketCloseListener);
 485           //this.conn.close();
 486           this.conn = null;
 487           break;
 488         case "askidentity": {
 489           // Request for identification (TODO: anonymous shouldn't need to reply)
 490           const me = {
 491             // Decompose to avoid revealing email
 492             name: this.st.user.name,
 493             sid: this.st.user.sid,
 494             id: this.st.user.id
 495           };
 496           this.send("identity", { data: me, target: data.from });
 497           break;
 498         }
 499         case "identity": {
 500           const user = data.data;
 501           if (user.name) {
 502             // If I multi-connect, kill current connexion if no mark (I'm older)
 503             if (
 504               this.newConnect[user.sid] &&
 505               user.id > 0 &&
 506               user.id == this.st.user.id &&
 507               user.sid != this.st.user.sid
 508             ) {
 509               if (!this.killed[this.st.user.sid]) {
 510                 this.send("killme", { sid: this.st.user.sid });
 511                 this.killed[this.st.user.sid] = true;
 512               }
 513             }
 514             if (user.sid != this.st.user.sid) {
 515               //I already know my identity...
 516               this.$set(this.people, user.sid, {
 517                 id: user.id,
 518                 name: user.name,
 519                 pages: this.people[user.sid].pages
 520               });
 521             }
 522           }
 523           delete this.newConnect[user.sid];
 524           break;
 525         }
 526         case "askchallenge": {
 527           // Send my current live challenge (if any)
 528           const cIdx = this.challenges.findIndex(
 529             c => c.from.sid == this.st.user.sid && c.type == "live"
 530           );
 531           if (cIdx >= 0) {
 532             const c = this.challenges[cIdx];
 533             // NOTE: in principle, should only send targeted challenge to the target.
 534             // But we may not know yet the identity of the target (just name),
 535             // so cannot decide if data.from is the target or not.
 536             const myChallenge = {
 537               id: c.id,
 538               from: this.st.user.sid,
 539               to: c.to,
 540               fen: c.fen,
 541               vid: c.vid,
 542               cadence: c.cadence,
 543               added: c.added
 544             };
 545             this.send("challenge", { data: myChallenge, target: data.from });
 546           }
 547           break;
 548         }
 549         case "challenge": //after "askchallenge"
 550         case "newchallenge": {
 551           // NOTE about next condition: see "askchallenge" case.
 552           const chall = data.data;
 553           if (
 554             !chall.to ||
 555             (this.people[chall.from].id > 0 &&
 556               (chall.from == this.st.user.sid || chall.to == this.st.user.name))
 557           ) {
 558             let newChall = Object.assign({}, chall);
 559             newChall.type = this.classifyObject(chall);
 560             newChall.added = Date.now();
 561             let fromValues = Object.assign({}, this.people[chall.from]);
 562             delete fromValues["pages"]; //irrelevant in this context
 563             newChall.from = Object.assign({ sid: chall.from }, fromValues);
 564             newChall.vname = this.getVname(newChall.vid);
 565             this.challenges.push(newChall);
 566             if (
 567               (newChall.type == "live" && this.cdisplay == "corr") ||
 568               (newChall.type == "corr" && this.cdisplay == "live")
 569             ) {
 570               document
 571                 .getElementById("btnC" + newChall.type)
 572                 .classList.add("somethingnew");
 573             }
 574           }
 575           break;
 576         }
 577         case "refusechallenge": {
 578           const cid = data.data;
 579           ArrayFun.remove(this.challenges, c => c.id == cid);
 580           alert(this.st.tr["Challenge declined"]);
 581           break;
 582         }
 583         case "deletechallenge": {
 584           // NOTE: the challenge may be already removed
 585           const cid = data.data;
 586           ArrayFun.remove(this.challenges, c => c.id == cid);
 587           break;
 588         }
 589         case "game": //individual request
 590         case "newgame": {
 591           // NOTE: it may be live or correspondance
 592           const game = data.data;
 593           // Ignore games where I play (corr games)
 594           if (game.players.every(p => p.id != this.st.user.id))
 595           {
 596             let locGame = this.games.find(g => g.id == game.id);
 597             if (!locGame) {
 598               let newGame = game;
 599               newGame.type = this.classifyObject(game);
 600               newGame.vname = this.getVname(game.vid);
 601               if (!game.score)
 602                 //if new game from Hall
 603                 newGame.score = "*";
 604               newGame.rids = [game.rid];
 605               delete newGame["rid"];
 606               this.games.push(newGame);
 607               if (
 608                 (newGame.type == "live" && this.gdisplay == "corr") ||
 609                 (newGame.type == "corr" && this.gdisplay == "live")
 610               ) {
 611                 document
 612                   .getElementById("btnG" + newGame.type)
 613                   .classList.add("somethingnew");
 614               }
 615             } else {
 616               // Append rid (if not already in list)
 617               if (!locGame.rids.includes(game.rid)) locGame.rids.push(game.rid);
 618             }
 619           }
 620           break;
 621         }
 622         case "result": {
 623           let g = this.games.find(g => g.id == data.gid);
 624           if (g) g.score = data.score;
 625           break;
 626         }
 627         case "startgame": {
 628           // New game just started: data contain all information
 629           const gameInfo = data.data;
 630           if (this.classifyObject(gameInfo) == "live")
 631             this.startNewGame(gameInfo);
 632           else {
 633             this.infoMessage =
 634               this.st.tr["New correspondance game:"] +
 635               " <a href='#/game/" +
 636               gameInfo.id +
 637               "'>" +
 638               "#/game/" +
 639               gameInfo.id +
 640               "</a>";
 641             let modalBox = document.getElementById("modalInfo");
 642             modalBox.checked = true;
 643           }
 644           break;
 645         }
 646         case "newchat":
 647           this.newChat = data.data;
 648           if (!document.getElementById("modalPeople").checked)
 649             document.getElementById("peopleBtn").classList.add("somethingnew");
 650           break;
 651       }
 652     },
 653     socketCloseListener: function() {
 654       if (!this.conn) return;
 655       this.conn = new WebSocket(this.connexionString);
 656       this.conn.addEventListener("message", this.socketMessageListener);
 657       this.conn.addEventListener("close", this.socketCloseListener);
 658     },
 659     // Challenge lifecycle:
 660     loadNewchallVariant: async function(cb) {
 661       const vname = this.getVname(this.newchallenge.vid);
 662       const vModule = await import("@/variants/" + vname + ".js");
 663       this.newchallenge.V = vModule.VariantRules;
 664       this.newchallenge.vname = vname;
 665       if (cb)
 666         cb();
 667     },
 668     trySetNewchallDiag: function() {
 669       if (!this.newchallenge.fen) {
 670         this.newchallenge.diag = "";
 671         return;
 672       }
 673       // If vid > 0 then the variant is loaded (function above):
 674       window.V = this.newchallenge.V;
 675       if (
 676         this.newchallenge.vid > 0 &&
 677         this.newchallenge.fen &&
 678         V.IsGoodFen(this.newchallenge.fen)
 679       ) {
 680         const parsedFen = V.ParseFen(this.newchallenge.fen);
 681         this.newchallenge.diag = getDiagram({
 682           position: parsedFen.position,
 683           orientation: V.GetOppCol(parsedFen.turn)
 684         });
 685       }
 686     },
 687     newChallenge: async function() {
 688       if (this.newchallenge.cadence.match(/^[0-9]+$/))
 689         this.newchallenge.cadence += "+0"; //assume minutes, no increment
 690       const ctype = this.classifyObject(this.newchallenge);
 691       // TODO: cadence still unchecked so ctype could be wrong...
 692       let error = "";
 693       if (!this.newchallenge.vid)
 694         error = this.st.tr["Please select a variant"];
 695       else if (ctype == "corr" && this.st.user.id <= 0)
 696         error = this.st.tr["Please log in to play correspondance games"];
 697       else if (this.newchallenge.to) {
 698         if (this.newchallenge.to == this.st.user.name)
 699           error = this.st.tr["Self-challenge is forbidden"];
 700         else if (
 701           ctype == "live" &&
 702           Object.values(this.people).every(p => p.name != this.newchallenge.to)
 703         )
 704           error = this.newchallenge.to + " " + this.st.tr["is not online"];
 705       }
 706       if (error) {
 707         alert(error);
 708         return;
 709       }
 710       window.V = this.newchallenge.V;
 711       error = checkChallenge(this.newchallenge);
 712       if (error) {
 713         alert(error);
 714         return;
 715       }
 716       // NOTE: "from" information is not required here
 717       let chall = Object.assign({}, this.newchallenge);
 718       const finishAddChallenge = cid => {
 719         chall.id = cid || "c" + getRandString();
 720         // Remove old challenge if any (only one at a time of a given type):
 721         const cIdx = this.challenges.findIndex(
 722           c =>
 723             (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id) &&
 724             c.type == ctype
 725         );
 726         if (cIdx >= 0) {
 727           // Delete current challenge (will be replaced now)
 728           this.send("deletechallenge", { data: this.challenges[cIdx].id });
 729           if (ctype == "corr") {
 730             ajax("/challenges", "DELETE", { id: this.challenges[cIdx].id });
 731           }
 732           this.challenges.splice(cIdx, 1);
 733         }
 734         this.send("newchallenge", {
 735           data: Object.assign({ from: this.st.user.sid }, chall)
 736         });
 737         // Add new challenge:
 738         chall.from = {
 739           // Decompose to avoid revealing email
 740           sid: this.st.user.sid,
 741           id: this.st.user.id,
 742           name: this.st.user.name
 743         };
 744         chall.added = Date.now();
 745         // NOTE: vname and type are redundant (can be deduced from cadence + vid)
 746         chall.type = ctype;
 747         chall.vname = this.newchallenge.vname;
 748         this.challenges.push(chall);
 749         // Remember cadence  + vid for quicker further challenges:
 750         localStorage.setItem("cadence", chall.cadence);
 751         localStorage.setItem("vid", chall.vid);
 752         document.getElementById("modalNewgame").checked = false;
 753       };
 754       if (ctype == "live") {
 755         // Live challenges have a random ID
 756         finishAddChallenge(null);
 757       } else {
 758         // Correspondance game: send challenge to server
 759         ajax("/challenges", "POST", { chall: chall }, response => {
 760           finishAddChallenge(response.cid);
 761         });
 762       }
 763     },
 764     // Callback function after a diagram was showed to accept
 765     // or refuse targetted challenge:
 766     decisionChallenge: function(accepted) {
 767       this.curChallToAccept.accepted = accepted;
 768       this.finishProcessingChallenge(this.curChallToAccept);
 769       document.getElementById("modalAccept").checked = false;
 770     },
 771     finishProcessingChallenge: function(c) {
 772       if (c.accepted) {
 773         c.seat = {
 774           // Again, avoid c.seat = st.user to not reveal email
 775           sid: this.st.user.sid,
 776           id: this.st.user.id,
 777           name: this.st.user.name
 778         };
 779         this.launchGame(c);
 780       } else {
 781         this.send("refusechallenge", { data: c.id, target: c.from.sid });
 782       }
 783       this.send("deletechallenge", { data: c.id });
 784     },
 785     clickChallenge: async function(c) {
 786       const myChallenge =
 787         c.from.sid == this.st.user.sid || //live
 788         (this.st.user.id > 0 && c.from.id == this.st.user.id); //corr
 789       if (!myChallenge) {
 790         if (c.type == "corr" && this.st.user.id <= 0) {
 791           alert(this.st.tr["Please log in to accept corr challenges"]);
 792           return;
 793         }
 794         c.accepted = true;
 795         const vModule = await import("@/variants/" + c.vname + ".js");
 796         window.V = vModule.VariantRules;
 797         if (c.to) {
 798           // c.to == this.st.user.name (connected)
 799           if (c.fen) {
 800             const parsedFen = V.ParseFen(c.fen);
 801             c.mycolor = V.GetOppCol(parsedFen.turn);
 802             this.tchallDiag = getDiagram({
 803               position: parsedFen.position,
 804               orientation: c.mycolor
 805             });
 806             this.curChallToAccept = c;
 807             document.getElementById("modalAccept").checked = true;
 808           }
 809           else {
 810             if (!confirm(this.st.tr["Accept challenge?"]))
 811               c.accepted = false;
 812             this.finishProcessingChallenge(c);
 813           }
 814         }
 815         else
 816           this.finishProcessingChallenge(c);
 817       }
 818       else {
 819         // My challenge
 820         if (c.type == "corr") {
 821           ajax("/challenges", "DELETE", { id: c.id });
 822         }
 823         this.send("deletechallenge", { data: c.id });
 824       }
 825       // In all cases, the challenge is consumed:
 826       ArrayFun.remove(this.challenges, ch => ch.id == c.id);
 827     },
 828     // NOTE: when launching game, the challenge is already being deleted
 829     launchGame: function(c) {
 830       // These game informations will be shared
 831       let gameInfo = {
 832         id: getRandString(),
 833         fen: c.fen || V.GenRandInitFen(),
 834         // White player index 0, black player index 1:
 835         players: c.mycolor
 836           ? (c.mycolor == "w" ? [c.seat, c.from] : [c.from, c.seat])
 837           : shuffle([c.from, c.seat]),
 838         vid: c.vid,
 839         cadence: c.cadence
 840       };
 841       let oppsid = c.from.sid; //may not be defined if corr + offline opp
 842       if (!oppsid) {
 843         oppsid = Object.keys(this.people).find(
 844           sid => this.people[sid].id == c.from.id
 845         );
 846       }
 847       const notifyNewgame = () => {
 848         if (oppsid)
 849           //opponent is online
 850           this.send("startgame", { data: gameInfo, target: oppsid });
 851         // Send game info (only if live) to everyone except me in this tab
 852         this.send("newgame", { data: gameInfo });
 853       };
 854       if (c.type == "live") {
 855         notifyNewgame();
 856         this.startNewGame(gameInfo);
 857       } //corr: game only on server
 858       else {
 859         ajax(
 860           "/games",
 861           "POST",
 862           { gameInfo: gameInfo, cid: c.id }, //cid useful to delete challenge
 863           response => {
 864             gameInfo.id = response.gameId;
 865             notifyNewgame();
 866             this.$router.push("/game/" + response.gameId);
 867           }
 868         );
 869       }
 870     },
 871     // NOTE: for live games only (corr games start on the server)
 872     startNewGame: function(gameInfo) {
 873       const game = Object.assign({}, gameInfo, {
 874         // (other) Game infos: constant
 875         fenStart: gameInfo.fen,
 876         vname: this.getVname(gameInfo.vid),
 877         created: Date.now(),
 878         // Game state (including FEN): will be updated
 879         moves: [],
 880         clocks: [-1, -1], //-1 = unstarted
 881         initime: [0, 0], //initialized later
 882         score: "*"
 883       });
 884       GameStorage.add(game, (err) => {
 885         // If an error occurred, game is not added: abort
 886         if (!err) {
 887           if (this.st.settings.sound >= 1)
 888             new Audio("/sounds/newgame.mp3").play().catch(() => {});
 889           this.$router.push("/game/" + gameInfo.id);
 890         }
 891       });
 892     }
 893   }
 894 };
 895 </script>
 896
 897 <style lang="sass" scoped>
 898 .active
 899   color: #42a983
 900
 901 #infoDiv > .card
 902   padding: 15px 0
 903   max-width: 430px
 904
 905 #newgameDiv > .card, #acceptDiv > .card
 906   max-width: 767px
 907   max-height: 100%
 908
 909 div#peopleWrap > .card
 910   max-height: 100%
 911
 912 @media screen and (min-width: 1281px)
 913   div#peopleWrap > .card
 914     max-width: 66.67%
 915
 916 @media screen and (max-width: 1280px)
 917   div#peopleWrap > .card
 918     max-width: 83.33%
 919
 920 @media screen and (max-width: 767px)
 921   div#peopleWrap > .card
 922     max-width: 100%
 923
 924 #players
 925   width: 50%
 926   position: relative
 927   float: left
 928
 929 #chat
 930   width: 50%
 931   float: left
 932   position: relative
 933
 934 @media screen and (max-width: 767px)
 935   #players, #chats
 936     width: 100%
 937
 938 #chat > .card
 939   max-width: 100%
 940   margin: 0;
 941   border: none;
 942
 943 #players > p
 944   margin-left: 5px
 945
 946 .anonymous
 947   font-style: italic
 948
 949 button.player-action
 950   margin-left: 32px
 951
 952 .somethingnew
 953   background-color: #c5fefe !important
 954
 955 .tabbtn
 956   background-color: #f9faee
 957
 958 button.acceptBtn
 959   background-color: lightgreen
 960 button.refuseBtn
 961   background-color: red
 962
 963 #buttonsTchall
 964   margin-top: 10px
 965
 966 .variantName
 967   font-weight: bold
 968
 969 .diagram
 970   margin: 0 auto
 971   max-width: 400px
 972
 973 #inputFen
 974   width: 100%
 975
 976 #div2, #div3
 977   margin-top: 15px
 978 @media screen and (max-width: 767px)
 979   #div2, #div3
 980     margin-top: 0
 981 </style>