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