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