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
  14       p.text-center
  15         span.variantName {{ curChallToAccept.vname }}
  16         span {{ curChallToAccept.cadence }}
  17         span {{ st.tr["with"] + " " + curChallToAccept.from.name }}
  18       .diagram(
  19         v-if="!!curChallToAccept.fen"
  20         v-html="tchallDiag"
  21       )
  22       .button-group#buttonsTchall(:style="tchallButtonsMargin()")
  23         button.acceptBtn(@click="decisionChallenge(true)")
  24           span {{ st.tr["Accept challenge?"] }}
  25         button.refuseBtn(@click="decisionChallenge(false)")
  26           span {{ st.tr["Refuse"] }}
  27   input#modalNewgame.modal(
  28     type="checkbox"
  29     @change="cadenceFocusIfOpened($event)"
  30   )
  31   div#newgameDiv(
  32     role="dialog"
  33     data-checkbox="modalNewgame"
  34   )
  35     .card
  36       label#closeNewgame.modal-close(for="modalNewgame")
  37       div(@keyup.enter="newChallenge()")
  38         fieldset
  39           label(for="selectVariant") {{ st.tr["Variant"] }} *
  40           select#selectVariant(
  41             @change="loadNewchallVariant(trySetNewchallDiag)"
  42             v-model="newchallenge.vid"
  43           )
  44             option(
  45               v-for="v in st.variants"
  46               :value="v.id"
  47               :selected="newchallenge.vid==v.id"
  48             )
  49               | {{ v.name }}
  50         fieldset
  51           label(for="cadence") {{ st.tr["Cadence"] }} *
  52           div#predefinedCadences
  53             button(type="button") 15+5
  54             button(type="button") 45+30
  55             button(type="button") 3d
  56             button(type="button") 7d
  57           input#cadence(
  58             type="text"
  59             v-model="newchallenge.cadence"
  60             placeholder="5+0, 1h+30s, 5d ..."
  61           )
  62         fieldset
  63           label(for="selectRandomLevel") {{ st.tr["Randomness"] }} *
  64           select#selectRandomLevel(v-model="newchallenge.randomness")
  65             option(value="0") {{ st.tr["Deterministic"] }}
  66             option(value="1") {{ st.tr["Symmetric random"] }}
  67             option(value="2") {{ st.tr["Asymmetric random"] }}
  68         fieldset(v-if="st.user.id > 0")
  69           label(for="selectPlayers") {{ st.tr["Play with?"] }}
  70           input#selectPlayers(
  71             type="text"
  72             v-model="newchallenge.to"
  73           )
  74         fieldset(v-if="st.user.id > 0 && newchallenge.to.length > 0")
  75           input#inputFen(
  76             placeholder="FEN"
  77             @input="trySetNewchallDiag()"
  78             type="text"
  79             v-model="newchallenge.fen"
  80           )
  81         .diagram(v-html="newchallenge.diag")
  82       button(@click="newChallenge()") {{ st.tr["Send challenge"] }}
  83   input#modalPeople.modal(
  84     type="checkbox"
  85     @click="resetSocialColor()"
  86   )
  87   div#peopleWrap(
  88     role="dialog"
  89     data-checkbox="modalPeople"
  90   )
  91     .card
  92       label.modal-close(for="modalPeople")
  93       #people
  94         #players
  95           p(
  96             v-for="sid in Object.keys(people)"
  97             v-if="!!people[sid].name"
  98           )
  99             span {{ people[sid].name }}
 100             button.player-action(
 101               v-if="isGamer(sid)"
 102               @click="watchGame(sid)"
 103             )
 104               | {{ st.tr["Observe"] }}
 105             button.player-action(
 106               v-else-if="isFocusedOnHall(sid)"
 107               @click="challenge(sid)"
 108             )
 109               | {{ st.tr["Challenge"] }}
 110           p.anonymous @nonymous ({{ anonymousCount }})
 111         #chat
 112           Chat(
 113             :newChat="newChat"
 114             @mychat="processChat"
 115             :pastChats="[]"
 116           )
 117         .clearer
 118   .row
 119     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
 120       .button-group
 121         button#peopleBtn(onClick="window.doClick('modalPeople')")
 122           | {{ st.tr["Who's there?"] }}
 123         button(@click="showNewchallengeForm()")
 124           | {{ st.tr["New game"] }}
 125   .row
 126     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
 127       div#div2
 128         .button-group
 129           button.tabbtn#btnClive(@click="setDisplay('c','live',$event)")
 130             | {{ st.tr["Live challenges"] }}
 131           button.tabbtn#btnCcorr(@click="setDisplay('c','corr',$event)")
 132             | {{ st.tr["Correspondance challenges"] }}
 133         ChallengeList(
 134           v-show="cdisplay=='live'"
 135           :challenges="filterChallenges('live')"
 136           @click-challenge="clickChallenge"
 137         )
 138         ChallengeList(
 139           v-show="cdisplay=='corr'"
 140           :challenges="filterChallenges('corr')"
 141           @click-challenge="clickChallenge"
 142         )
 143       div#div3
 144         .button-group
 145           button.tabbtn#btnGlive(@click="setDisplay('g','live',$event)")
 146             | {{ st.tr["Live games"] }}
 147           button.tabbtn#btnGcorr(@click="setDisplay('g','corr',$event)")
 148             | {{ st.tr["Correspondance games"] }}
 149         GameList(
 150           v-show="gdisplay=='live'"
 151           :games="filterGames('live')"
 152           :showBoth="true"
 153           @show-game="showGame"
 154         )
 155         GameList(
 156           v-show="gdisplay=='corr'"
 157           :games="filterGames('corr')"
 158           :showBoth="true"
 159           @show-game="showGame"
 160         )
 161 </template>
 162
 163 <script>
 164 import { store } from "@/store";
 165 import { checkChallenge } from "@/data/challengeCheck";
 166 import { ArrayFun } from "@/utils/array";
 167 import { ajax } from "@/utils/ajax";
 168 import params from "@/parameters";
 169 import { getRandString, shuffle } from "@/utils/alea";
 170 import { getDiagram } from "@/utils/printDiagram";
 171 import Chat from "@/components/Chat.vue";
 172 import GameList from "@/components/GameList.vue";
 173 import ChallengeList from "@/components/ChallengeList.vue";
 174 import { GameStorage } from "@/utils/gameStorage";
 175 import { processModalClick } from "@/utils/modalClick";
 176 export default {
 177   name: "my-hall",
 178   components: {
 179     Chat,
 180     GameList,
 181     ChallengeList
 182   },
 183   data: function() {
 184     return {
 185       st: store.state,
 186       cdisplay: "live", //or corr
 187       gdisplay: "live",
 188       games: [],
 189       challenges: [],
 190       people: {},
 191       infoMessage: "",
 192       newchallenge: {
 193         fen: "",
 194         vid: parseInt(localStorage.getItem("vid")) || 0,
 195         to: "", //name of challenged player (if any)
 196         cadence: localStorage.getItem("cadence") || "",
 197         randomness: parseInt(localStorage.getItem("randomness")) || 2,
 198         // VariantRules object, stored to not interfere with
 199         // diagrams of targetted challenges:
 200         V: null,
 201         vname: "",
 202         diag: "" //visualizing FEN
 203       },
 204       tchallDiag: "",
 205       curChallToAccept: {from: {}},
 206       newChat: "",
 207       conn: null,
 208       connexionString: "",
 209       // Related to (killing of) self multi-connects:
 210       newConnect: {},
 211       killed: {}
 212     };
 213   },
 214   watch: {
 215     // st.variants changes only once, at loading from [] to [...]
 216     "st.variants": function() {
 217       // Set potential challenges and games variant names:
 218       this.challenges.concat(this.games).forEach(o => {
 219         if (!o.vname) o.vname = this.getVname(o.vid);
 220       });
 221       if (!this.newchallenge.V && this.newchallenge.vid > 0)
 222         this.loadNewchallVariant();
 223     }
 224   },
 225   computed: {
 226     anonymousCount: function() {
 227       let count = 0;
 228       Object.values(this.people).forEach(p => {
 229         // Do not cound people who did not send their identity yet:
 230         count += (!p.name && p.id === 0) ? 1 : 0;
 231       });
 232       return count;
 233     }
 234   },
 235   created: function() {
 236     if (this.st.variants.length > 0 && this.newchallenge.vid > 0)
 237       this.loadNewchallVariant();
 238     const my = this.st.user;
 239     this.$set(
 240       this.people,
 241       my.sid,
 242       {
 243         id: my.id,
 244         name: my.name,
 245         pages: [{ path: "/", focus: true }]
 246       }
 247     );
 248     // Ask server for current corr games (all but mines)
 249     ajax(
 250       "/games",
 251       "GET",
 252       {
 253         data: { uid: this.st.user.id, excluded: true },
 254         success: (response) => {
 255           this.games = this.games.concat(
 256             response.games.map(g => {
 257               const type = this.classifyObject(g);
 258               const vname = this.getVname(g.vid);
 259               return Object.assign({}, g, { type: type, vname: vname });
 260             })
 261           );
 262         }
 263       }
 264     );
 265     // Also ask for corr challenges (open + sent by/to me)
 266     ajax(
 267       "/challenges",
 268       "GET",
 269       {
 270         data: { uid: this.st.user.id },
 271         success: (response) => {
 272           // Gather all senders names, and then retrieve full identity:
 273           // (TODO [perf]: some might be online...)
 274           let names = {};
 275           response.challenges.forEach(c => {
 276             if (c.uid != this.st.user.id) names[c.uid] = "";
 277             else if (!!c.target && c.target != this.st.user.id)
 278               names[c.target] = "";
 279           });
 280           const addChallenges = () => {
 281             names[this.st.user.id] = this.st.user.name; //in case of
 282             this.challenges = this.challenges.concat(
 283               response.challenges.map(c => {
 284                 const from = { name: names[c.uid], id: c.uid }; //or just name
 285                 const type = this.classifyObject(c);
 286                 const vname = this.getVname(c.vid);
 287                 return Object.assign(
 288                   {},
 289                   {
 290                     type: type,
 291                     vname: vname,
 292                     from: from,
 293                     to: c.target ? names[c.target] : ""
 294                   },
 295                   c
 296                 );
 297               })
 298             );
 299           };
 300           if (Object.keys(names).length > 0) {
 301             ajax(
 302               "/users",
 303               "GET",
 304               {
 305                 data: { ids: Object.keys(names).join(",") },
 306                 success: (response2) => {
 307                   response2.users.forEach(u => {
 308                     names[u.id] = u.name;
 309                   });
 310                   addChallenges();
 311                 }
 312               }
 313             );
 314           } else addChallenges();
 315         }
 316       }
 317     );
 318     const connectAndPoll = () => {
 319       this.send("connect");
 320       this.send("pollclientsandgamers");
 321     };
 322     // Initialize connection
 323     this.connexionString =
 324       params.socketUrl +
 325       "/?sid=" +
 326       this.st.user.sid +
 327       "&tmpId=" +
 328       getRandString() +
 329       "&page=" +
 330       // Hall: path is "/" (could be hard-coded as well)
 331       encodeURIComponent(this.$route.path);
 332     this.conn = new WebSocket(this.connexionString);
 333     this.conn.onopen = connectAndPoll;
 334     this.conn.onmessage = this.socketMessageListener;
 335     this.conn.onclose = this.socketCloseListener;
 336   },
 337   mounted: function() {
 338     document.addEventListener('visibilitychange', this.visibilityChange);
 339     ["peopleWrap", "infoDiv", "newgameDiv"].forEach(eltName => {
 340       let elt = document.getElementById(eltName);
 341       elt.addEventListener("click", processModalClick);
 342     });
 343     document.querySelectorAll("#predefinedCadences > button").forEach(b => {
 344       b.addEventListener("click", () => {
 345         this.newchallenge.cadence = b.innerHTML;
 346       });
 347     });
 348     const dispCorr = this.$route.query["disp"];
 349     const showCtype =
 350       dispCorr || localStorage.getItem("type-challenges") || "live";
 351     const showGtype =
 352       dispCorr || localStorage.getItem("type-games") || "live";
 353     this.setDisplay("c", showCtype);
 354     this.setDisplay("g", showGtype);
 355   },
 356   beforeDestroy: function() {
 357     document.removeEventListener('visibilitychange', this.visibilityChange);
 358     this.send("disconnect");
 359   },
 360   methods: {
 361     visibilityChange: function() {
 362       // TODO: Use document.hidden? https://webplatform.news/issues/2019-03-27
 363       this.send(
 364         document.visibilityState == "visible"
 365           ? "getfocus"
 366           : "losefocus"
 367       );
 368     },
 369     partialResetNewchallenge: function() {
 370       // Reset potential target and custom FEN:
 371       this.newchallenge.to = "";
 372       this.newchallenge.fen = "";
 373       this.newchallenge.diag = "";
 374     },
 375     showNewchallengeForm: function() {
 376       this.partialResetNewchallenge();
 377       window.doClick("modalNewgame");
 378     },
 379     tchallButtonsMargin: function() {
 380       if (!!this.curChallToAccept.fen) return { "margin-top": "10px" };
 381       return {};
 382     },
 383     cadenceFocusIfOpened: function() {
 384       if (event.target.checked)
 385         document.getElementById("cadence").focus();
 386     },
 387     send: function(code, obj) {
 388       if (!!this.conn) {
 389         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 390       }
 391     },
 392     getVname: function(vid) {
 393       const variant = this.st.variants.find(v => v.id == vid);
 394       // this.st.variants might be uninitialized (variant == null)
 395       return variant ? variant.name : "";
 396     },
 397     filterChallenges: function(type) {
 398       return this.challenges.filter(c => c.type == type);
 399     },
 400     filterGames: function(type) {
 401       return this.games.filter(g => g.type == type);
 402     },
 403     classifyObject: function(o) {
 404       //challenge or game
 405       return o.cadence.indexOf("d") === -1 ? "live" : "corr";
 406     },
 407     setDisplay: function(letter, type, e) {
 408       this[letter + "display"] = type;
 409       localStorage.setItem(
 410         "type-" + (letter == "c" ? "challenges" : "games"),
 411         type
 412       );
 413       let elt = e
 414         ? e.target
 415         : document.getElementById("btn" + letter.toUpperCase() + type);
 416       elt.classList.add("active");
 417       elt.classList.remove("somethingnew"); //in case of
 418       if (!!elt.previousElementSibling)
 419         elt.previousElementSibling.classList.remove("active");
 420       else elt.nextElementSibling.classList.remove("active");
 421     },
 422     isGamer: function(sid) {
 423       return this.people[sid].pages
 424         .some(p => p.focus && p.path.indexOf("/game/") >= 0);
 425     },
 426     isFocusedOnHall: function(sid) {
 427       return (
 428         // This is meant to challenge people, thus the next 2 conditions:
 429         this.st.user.id > 0 &&
 430         sid != this.st.user.sid &&
 431         this.people[sid].pages.some(p => p.path == "/" && p.focus)
 432       );
 433     },
 434     challenge: function(sid) {
 435       this.partialResetNewchallenge();
 436       // Available, in Hall
 437       this.newchallenge.to = this.people[sid].name;
 438       document.getElementById("modalPeople").checked = false;
 439       window.doClick("modalNewgame");
 440     },
 441     watchGame: function(sid) {
 442       // In some game, maybe playing maybe not: show a random one
 443       let gids = [];
 444       this.people[sid].pages.forEach(p => {
 445         if (p.focus) {
 446           const matchGid = p.path.match(/[a-zA-Z0-9]+$/);
 447           if (!!matchGid) gids.push(matchGid[0]);
 448         }
 449       });
 450       const gid = gids[Math.floor(Math.random() * gids.length)];
 451       const game = this.games.find(g => g.id == gid);
 452       if (!!game) this.showGame(game);
 453       else this.$router.push("/game/" + gid); //game vs. me
 454     },
 455     showGame: function(g) {
 456       // NOTE: we are an observer, since only games I don't play are shown here
 457       // ==> Moves sent by connected remote player(s) if live game
 458       let url = "/game/" + g.id;
 459       if (g.type == "live")
 460         url += "?rid=" + g.rids[Math.floor(Math.random() * g.rids.length)];
 461       this.$router.push(url);
 462     },
 463     resetSocialColor: function() {
 464       // TODO: this is called twice, once on opening an once on closing
 465       document.getElementById("peopleBtn").classList.remove("somethingnew");
 466     },
 467     processChat: function(chat) {
 468       this.send("newchat", { data: chat });
 469     },
 470     getOppsid: function(c) {
 471       let oppsid = c.from.sid; //may not be defined if corr + offline opp
 472       if (!oppsid) {
 473         oppsid = Object.keys(this.people).find(
 474           sid => this.people[sid].id == c.from.id
 475         );
 476       }
 477       return oppsid;
 478     },
 479     // Messaging center:
 480     socketMessageListener: function(msg) {
 481       if (!this.conn) return;
 482       const data = JSON.parse(msg.data);
 483       switch (data.code) {
 484         case "pollclientsandgamers": {
 485           // Since people can be both in Hall and Game,
 486           // need to track "askIdentity" requests:
 487           let identityAsked = {};
 488           data.sockIds.forEach(s => {
 489             const page = s.page || "/";
 490             if (s.sid != this.st.user.sid && !identityAsked[s.sid]) {
 491               this.send("askidentity", { target: s.sid, page: page });
 492               identityAsked[s.sid] = true;
 493             }
 494             if (!this.people[s.sid]) {
 495               // Do not set name or id: identity unknown yet
 496               this.people[s.sid] = { pages: [{path: page, focus: true}] };
 497             }
 498             else if (!(this.people[s.sid].pages.find(p => p.path == page)))
 499               this.people[s.sid].pages.push({ path: page, focus: true });
 500             if (!s.page)
 501               // Peer is in Hall
 502               this.send("askchallenge", { target: s.sid });
 503             // Peer is in Game
 504             else this.send("askgame", { target: s.sid, page: page });
 505           });
 506           break;
 507         }
 508         case "connect":
 509         case "gconnect": {
 510           const page = data.page || "/";
 511           // Only ask game / challenge if first connexion:
 512           if (!this.people[data.from]) {
 513             this.people[data.from] = { pages: [{ path: page, focus: true }] };
 514             if (data.code == "connect")
 515               this.send("askchallenge", { target: data.from });
 516             else this.send("askgame", { target: data.from, page: page });
 517           } else {
 518             // Append page if not already in list
 519             if (!(this.people[data.from].pages.find(p => p.path == page)))
 520               this.people[data.from].pages.push({ path: page, focus: true });
 521           }
 522           if (!this.people[data.from].name && this.people[data.from].id !== 0) {
 523             // Identity not known yet
 524             this.newConnect[data.from] = true; //for self multi-connects tests
 525             this.send("askidentity", { target: data.from, page: page });
 526           }
 527           break;
 528         }
 529         case "disconnect":
 530         case "gdisconnect": {
 531           // If the user reloads the page twice very quickly (experienced with Firefox),
 532           // the first reload won't have time to connect but will trigger a "close" event anyway.
 533           // ==> Next check is required.
 534           if (!this.people[data.from]) return;
 535           // Disconnect means no more tmpIds:
 536           if (data.code == "disconnect") {
 537             // Remove the live challenge sent by this player:
 538             ArrayFun.remove(
 539               this.challenges,
 540               c => c.type == "live" && c.from.sid == data.from
 541             );
 542           } else {
 543             // Remove the matching live game if now unreachable
 544             const gid = data.page.match(/[a-zA-Z0-9]+$/)[0];
 545             const gidx = this.games.findIndex(g => g.id == gid);
 546             if (gidx >= 0) {
 547               const game = this.games[gidx];
 548               if (
 549                 game.type == "live" &&
 550                 game.rids.length == 1 &&
 551                 game.rids[0] == data.from
 552               ) {
 553                 this.games.splice(gidx, 1);
 554               }
 555             }
 556           }
 557           const page = data.page || "/";
 558           ArrayFun.remove(this.people[data.from].pages, p => p.path == page);
 559           if (this.people[data.from].pages.length == 0)
 560             this.$delete(this.people, data.from);
 561           break;
 562         }
 563         case "getfocus":
 564           // If user reload a page, focus may arrive earlier than connect
 565           if (!!this.people[data.from]) {
 566             this.people[data.from].pages
 567               .find(p => p.path == data.page).focus = true;
 568             this.$forceUpdate(); //TODO: shouldn't be required
 569           }
 570           break;
 571         case "losefocus":
 572           if (!!this.people[data.from]) {
 573             this.people[data.from].pages
 574               .find(p => p.path == data.page).focus = false;
 575             this.$forceUpdate(); //TODO: shouldn't be required
 576           }
 577           break;
 578         case "killed":
 579           // I logged in elsewhere:
 580           this.conn = null;
 581           alert(this.st.tr["New connexion detected: tab now offline"]);
 582           break;
 583         case "askidentity": {
 584           // Request for identification (TODO: anonymous shouldn't need to reply)
 585           const me = {
 586             // Decompose to avoid revealing email
 587             name: this.st.user.name,
 588             sid: this.st.user.sid,
 589             id: this.st.user.id
 590           };
 591           this.send("identity", { data: me, target: data.from });
 592           break;
 593         }
 594         case "identity": {
 595           const user = data.data;
 596           let player = this.people[user.sid];
 597           // player.pages is already set
 598           player.id = user.id;
 599           player.name = user.name;
 600           // TODO: this.$set(people, ...) fails. So forceUpdate.
 601           //       But this shouldn't be like that!
 602           this.$forceUpdate();
 603           // If I multi-connect, kill current connexion if no mark (I'm older)
 604           if (this.newConnect[user.sid]) {
 605             if (
 606               user.id > 0 &&
 607               user.id == this.st.user.id &&
 608               user.sid != this.st.user.sid &&
 609               !this.killed[this.st.user.sid]
 610             ) {
 611                 this.send("killme", { sid: this.st.user.sid });
 612                 this.killed[this.st.user.sid] = true;
 613             }
 614             delete this.newConnect[user.sid];
 615           }
 616           break;
 617         }
 618         case "askchallenge": {
 619           // Send my current live challenge (if any)
 620           const cIdx = this.challenges.findIndex(
 621             c => c.from.sid == this.st.user.sid && c.type == "live"
 622           );
 623           if (cIdx >= 0) {
 624             const c = this.challenges[cIdx];
 625             // NOTE: in principle, should only send targeted challenge to the target.
 626             // But we may not know yet the identity of the target (just name),
 627             // so cannot decide if data.from is the target or not.
 628             const myChallenge = {
 629               id: c.id,
 630               from: this.st.user.sid,
 631               to: c.to,
 632               randomness: c.randomness,
 633               fen: c.fen,
 634               vid: c.vid,
 635               cadence: c.cadence,
 636               added: c.added
 637             };
 638             this.send("challenge", { data: myChallenge, target: data.from });
 639           }
 640           break;
 641         }
 642         case "challenge": //after "askchallenge"
 643         case "newchallenge": {
 644           // NOTE about next condition: see "askchallenge" case.
 645           const chall = data.data;
 646           if (
 647             !chall.to ||
 648             (this.people[chall.from].id > 0 &&
 649               (chall.from == this.st.user.sid || chall.to == this.st.user.name))
 650           ) {
 651             let newChall = Object.assign({}, chall);
 652             newChall.type = this.classifyObject(chall);
 653             newChall.randomness = chall.randomness;
 654             newChall.added = Date.now();
 655             let fromValues = Object.assign({}, this.people[chall.from]);
 656             delete fromValues["pages"]; //irrelevant in this context
 657             newChall.from = Object.assign({ sid: chall.from }, fromValues);
 658             newChall.vname = this.getVname(newChall.vid);
 659             this.challenges.push(newChall);
 660             if (
 661               (newChall.type == "live" && this.cdisplay == "corr") ||
 662               (newChall.type == "corr" && this.cdisplay == "live")
 663             ) {
 664               document
 665                 .getElementById("btnC" + newChall.type)
 666                 .classList.add("somethingnew");
 667             }
 668           }
 669           break;
 670         }
 671         case "refusechallenge": {
 672           const cid = data.data;
 673           ArrayFun.remove(this.challenges, c => c.id == cid);
 674           alert(this.st.tr["Challenge declined"]);
 675           break;
 676         }
 677         case "deletechallenge": {
 678           // NOTE: the challenge may be already removed
 679           const cid = data.data;
 680           ArrayFun.remove(this.challenges, c => c.id == cid);
 681           break;
 682         }
 683         case "game": //individual request
 684         case "newgame": {
 685           const game = data.data;
 686           // Ignore games where I play (will go in MyGames page)
 687           if (game.players.every(p =>
 688             p.sid != this.st.user.sid || p.id != this.st.user.id))
 689           {
 690             let locGame = this.games.find(g => g.id == game.id);
 691             if (!locGame) {
 692               let newGame = game;
 693               newGame.type = this.classifyObject(game);
 694               newGame.vname = this.getVname(game.vid);
 695               if (!game.score)
 696                 //if new game from Hall
 697                 newGame.score = "*";
 698               newGame.rids = [game.rid];
 699               delete newGame["rid"];
 700               this.games.push(newGame);
 701               if (
 702                 (newGame.type == "live" && this.gdisplay == "corr") ||
 703                 (newGame.type == "corr" && this.gdisplay == "live")
 704               ) {
 705                 document
 706                   .getElementById("btnG" + newGame.type)
 707                   .classList.add("somethingnew");
 708               }
 709             } else {
 710               // Append rid (if not already in list)
 711               if (!locGame.rids.includes(game.rid)) locGame.rids.push(game.rid);
 712             }
 713           }
 714           break;
 715         }
 716         case "result": {
 717           let g = this.games.find(g => g.id == data.gid);
 718           if (!!g) g.score = data.score;
 719           break;
 720         }
 721         case "startgame": {
 722           // New game just started, I'm involved
 723           const gameInfo = data.data;
 724           if (this.classifyObject(gameInfo) == "live")
 725             this.startNewGame(gameInfo);
 726           else {
 727             this.infoMessage =
 728               this.st.tr["New correspondance game:"] +
 729               " <a href='#/game/" +
 730               gameInfo.id +
 731               "'>" +
 732               "#/game/" +
 733               gameInfo.id +
 734               "</a>";
 735             document.getElementById("modalInfo").checked = true;
 736           }
 737           break;
 738         }
 739         case "newchat":
 740           this.newChat = data.data;
 741           if (!document.getElementById("modalPeople").checked)
 742             document.getElementById("peopleBtn").classList.add("somethingnew");
 743           break;
 744       }
 745     },
 746     socketCloseListener: function() {
 747       if (!this.conn) return;
 748       this.conn = new WebSocket(this.connexionString);
 749       this.conn.addEventListener("message", this.socketMessageListener);
 750       this.conn.addEventListener("close", this.socketCloseListener);
 751     },
 752     // Challenge lifecycle:
 753     loadNewchallVariant: async function(cb) {
 754       const vname = this.getVname(this.newchallenge.vid);
 755       const vModule = await import("@/variants/" + vname + ".js");
 756       this.newchallenge.V = vModule.VariantRules;
 757       this.newchallenge.vname = vname;
 758       if (!!cb)
 759         cb();
 760     },
 761     trySetNewchallDiag: function() {
 762       if (!this.newchallenge.fen) {
 763         this.newchallenge.diag = "";
 764         return;
 765       }
 766       // If vid > 0 then the variant is loaded (function above):
 767       window.V = this.newchallenge.V;
 768       if (
 769         this.newchallenge.vid > 0 &&
 770         !!this.newchallenge.fen &&
 771         V.IsGoodFen(this.newchallenge.fen)
 772       ) {
 773         const parsedFen = V.ParseFen(this.newchallenge.fen);
 774         this.newchallenge.diag = getDiagram({
 775           position: parsedFen.position,
 776           orientation: parsedFen.turn
 777         });
 778       }
 779     },
 780     newChallenge: async function() {
 781       if (!!(this.newchallenge.cadence.match(/^[0-9]+$/)))
 782         this.newchallenge.cadence += "+0"; //assume minutes, no increment
 783       const ctype = this.classifyObject(this.newchallenge);
 784       // TODO: cadence still unchecked so ctype could be wrong...
 785       let error = "";
 786       if (!this.newchallenge.vid)
 787         error = this.st.tr["Please select a variant"];
 788       else if (ctype == "corr" && this.st.user.id <= 0)
 789         error = this.st.tr["Please log in to play correspondance games"];
 790       else if (!!this.newchallenge.to) {
 791         if (this.newchallenge.to == this.st.user.name)
 792           error = this.st.tr["Self-challenge is forbidden"];
 793         else if (
 794           ctype == "live" &&
 795           Object.values(this.people).every(p => p.name != this.newchallenge.to)
 796         )
 797           error = this.newchallenge.to + " " + this.st.tr["is not online"];
 798       }
 799       if (error) {
 800         alert(error);
 801         return;
 802       }
 803       window.V = this.newchallenge.V;
 804       error = checkChallenge(this.newchallenge);
 805       if (error) {
 806         alert(error);
 807         return;
 808       }
 809       // NOTE: "from" information is not required here
 810       let chall = Object.assign({}, this.newchallenge);
 811       delete chall["V"];
 812       delete chall["diag"];
 813       const finishAddChallenge = cid => {
 814         chall.id = cid || "c" + getRandString();
 815         // Remove old challenge if any (only one at a time of a given type):
 816         const cIdx = this.challenges.findIndex(
 817           c =>
 818             (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id) &&
 819             c.type == ctype
 820         );
 821         if (cIdx >= 0) {
 822           // Delete current challenge (will be replaced now)
 823           this.send("deletechallenge", { data: this.challenges[cIdx].id });
 824           if (ctype == "corr") {
 825             ajax(
 826               "/challenges",
 827               "DELETE",
 828               { data: { id: this.challenges[cIdx].id } }
 829             );
 830           }
 831           this.challenges.splice(cIdx, 1);
 832         }
 833         this.send("newchallenge", {
 834           data: Object.assign({ from: this.st.user.sid }, chall)
 835         });
 836         // Add new challenge:
 837         chall.from = {
 838           // Decompose to avoid revealing email
 839           sid: this.st.user.sid,
 840           id: this.st.user.id,
 841           name: this.st.user.name
 842         };
 843         chall.added = Date.now();
 844         // NOTE: vname and type are redundant (can be deduced from cadence + vid)
 845         chall.type = ctype;
 846         chall.vname = this.newchallenge.vname;
 847         this.challenges.push(chall);
 848         // Remember cadence  + vid for quicker further challenges:
 849         localStorage.setItem("cadence", chall.cadence);
 850         localStorage.setItem("vid", chall.vid);
 851         localStorage.setItem("randomness", chall.randomness);
 852         document.getElementById("modalNewgame").checked = false;
 853         // Show the challenge if not on current display
 854         if (
 855           (ctype == "live" && this.cdisplay == "corr") ||
 856           (ctype == "corr" && this.cdisplay == "live")
 857         ) {
 858           this.setDisplay('c', ctype);
 859         }
 860       };
 861       if (ctype == "live") {
 862         // Live challenges have a random ID
 863         finishAddChallenge(null);
 864       } else {
 865         // Correspondance game: send challenge to server
 866         ajax(
 867           "/challenges",
 868           "POST",
 869           {
 870             data: { chall: chall },
 871             success: (response) => {
 872               finishAddChallenge(response.cid);
 873             }
 874           }
 875         );
 876       }
 877     },
 878     // Callback function after a diagram was showed to accept
 879     // or refuse targetted challenge:
 880     decisionChallenge: function(accepted) {
 881       this.curChallToAccept.accepted = accepted;
 882       this.finishProcessingChallenge(this.curChallToAccept);
 883       document.getElementById("modalAccept").checked = false;
 884     },
 885     finishProcessingChallenge: function(c) {
 886       if (c.accepted) {
 887         c.seat = {
 888           // Again, avoid c.seat = st.user to not reveal email
 889           sid: this.st.user.sid,
 890           id: this.st.user.id,
 891           name: this.st.user.name
 892         };
 893         this.launchGame(c);
 894       } else {
 895         const oppsid = this.getOppsid(c);
 896         if (!!oppsid)
 897           this.send("refusechallenge", { data: c.id, target: oppsid });
 898         if (c.type == "corr") {
 899           ajax(
 900             "/challenges",
 901             "DELETE",
 902             { data: { id: c.id } }
 903           );
 904         }
 905       }
 906       this.send("deletechallenge", { data: c.id });
 907     },
 908     clickChallenge: async function(c) {
 909       const myChallenge =
 910         c.from.sid == this.st.user.sid || //live
 911         (this.st.user.id > 0 && c.from.id == this.st.user.id); //corr
 912       if (!myChallenge) {
 913         if (c.type == "corr" && this.st.user.id <= 0) {
 914           alert(this.st.tr["Please log in to accept corr challenges"]);
 915           return;
 916         }
 917         c.accepted = true;
 918         const vModule = await import("@/variants/" + c.vname + ".js");
 919         window.V = vModule.VariantRules;
 920         if (!!c.to) {
 921           // c.to == this.st.user.name (connected)
 922           if (!!c.fen) {
 923             const parsedFen = V.ParseFen(c.fen);
 924             c.mycolor = V.GetOppCol(parsedFen.turn);
 925             this.tchallDiag = getDiagram({
 926               position: parsedFen.position,
 927               orientation: c.mycolor
 928             });
 929           }
 930           this.curChallToAccept = c;
 931           document.getElementById("modalAccept").checked = true;
 932         }
 933         else this.finishProcessingChallenge(c);
 934       }
 935       else {
 936         // My challenge
 937         if (c.type == "corr") {
 938           ajax(
 939             "/challenges",
 940             "DELETE",
 941             { data: { id: c.id } }
 942           );
 943         }
 944         this.send("deletechallenge", { data: c.id });
 945       }
 946       // In all cases, the challenge is consumed:
 947       ArrayFun.remove(this.challenges, ch => ch.id == c.id);
 948     },
 949     // NOTE: when launching game, the challenge is already being deleted
 950     launchGame: function(c) {
 951       // These game informations will be shared
 952       let gameInfo = {
 953         id: getRandString(),
 954         fen: c.fen || V.GenRandInitFen(c.randomness),
 955         // White player index 0, black player index 1:
 956         players: c.mycolor
 957           ? (c.mycolor == "w" ? [c.seat, c.from] : [c.from, c.seat])
 958           : shuffle([c.from, c.seat]),
 959         vid: c.vid,
 960         cadence: c.cadence
 961       };
 962       const notifyNewgame = () => {
 963         const oppsid = this.getOppsid(c);
 964         if (!!oppsid)
 965           // Opponent is online
 966           this.send("startgame", { data: gameInfo, target: oppsid });
 967         // Send game info (only if live) to everyone except me and opponent
 968         // TODO: this double message send could be avoided.
 969         this.send("newgame", { data: gameInfo, oppsid: oppsid });
 970       };
 971       if (c.type == "live") {
 972         notifyNewgame();
 973         this.startNewGame(gameInfo);
 974       } else {
 975         // corr: game only on server
 976         ajax(
 977           "/games",
 978           "POST",
 979           {
 980             // cid is useful to delete the challenge:
 981             data: { gameInfo: gameInfo, cid: c.id },
 982             success: (response) => {
 983               gameInfo.id = response.gameId;
 984               notifyNewgame();
 985               this.$router.push("/game/" + response.gameId);
 986             }
 987           }
 988         );
 989       }
 990     },
 991     // NOTE: for live games only (corr games start on the server)
 992     startNewGame: function(gameInfo) {
 993       const game = Object.assign(
 994         {},
 995         gameInfo,
 996         {
 997           // (other) Game infos: constant
 998           fenStart: gameInfo.fen,
 999           vname: this.getVname(gameInfo.vid),
1000           created: Date.now(),
1001           // Game state (including FEN): will be updated
1002           moves: [],
1003           clocks: [-1, -1], //-1 = unstarted
1004           initime: [0, 0], //initialized later
1005           score: "*"
1006         }
1007       );
1008       setTimeout(
1009         () => {
1010           GameStorage.add(game, (err) => {
1011             // If an error occurred, game is not added: a tab already
1012             // added the game and (if focused) is redirected toward it.
1013             // If no error and the tab is hidden: do not show anything.
1014             if (!err && !document.hidden) {
1015               if (this.st.settings.sound)
1016                 new Audio("/sounds/newgame.flac").play().catch(() => {});
1017               this.$router.push("/game/" + gameInfo.id);
1018             }
1019           });
1020         },
1021         document.hidden ? 500 + 1000 * Math.random() : 0
1022       );
1023     }
1024   }
1025 };
1026 </script>
1027
1028 <style lang="sass" scoped>
1029 .active
1030   color: #42a983
1031
1032 #infoDiv > .card
1033   padding: 15px 0
1034   max-width: 430px
1035
1036 #newgameDiv > .card, #acceptDiv > .card
1037   max-width: 767px
1038   max-height: 100%
1039
1040 div#peopleWrap > .card
1041   max-height: 100%
1042
1043 @media screen and (min-width: 1281px)
1044   div#peopleWrap > .card
1045     max-width: 66.67%
1046
1047 @media screen and (max-width: 1280px)
1048   div#peopleWrap > .card
1049     max-width: 83.33%
1050
1051 @media screen and (max-width: 767px)
1052   div#peopleWrap > .card
1053     max-width: 100%
1054
1055 #players
1056   width: 50%
1057   position: relative
1058   float: left
1059
1060 #chat
1061   width: 50%
1062   float: left
1063   position: relative
1064
1065 @media screen and (max-width: 767px)
1066   #players, #chats
1067     width: 100%
1068
1069 #chat > .card
1070   max-width: 100%
1071   margin: 0;
1072   border: none;
1073
1074 #players > p
1075   margin-left: 5px
1076
1077 .anonymous
1078   font-style: italic
1079
1080 button.player-action
1081   margin-left: 32px
1082
1083 .somethingnew
1084   background-color: #c5fefe !important
1085
1086 .tabbtn
1087   background-color: #f9faee
1088
1089 button.acceptBtn
1090   background-color: lightgreen
1091 button.refuseBtn
1092   background-color: red
1093
1094 #buttonsTchall
1095   // margin-top set dynamically (depends if diagram showed or not)
1096   & > button > span
1097     width: 100%
1098     text-align: center
1099
1100 .variantName
1101   font-weight: bold
1102
1103 .diagram
1104   margin: 0 auto
1105   max-width: 400px
1106   // width: 100% required for Firefox
1107   width: 100%
1108
1109 #inputFen
1110   width: 100%
1111
1112 #div2, #div3
1113   margin-top: 15px
1114 @media screen and (max-width: 767px)
1115   #div2, #div3
1116     margin-top: 0
1117 </style>