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