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="issueNewChallenge()")
  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
  69           label(for="memorizeChall") {{ st.tr["Memorize"] }}
  70           input#memorizeChall(
  71             type="checkbox"
  72             v-model="newchallenge.memorize"
  73           )
  74         fieldset(v-if="st.user.id > 0")
  75           label(for="selectPlayers") {{ st.tr["Play with"] }}
  76           select#selectPlayersInList(v-model="newchallenge.to")
  77             option(value="")
  78             option(
  79               v-for="p in Object.values(people)"
  80               :value="p.name"
  81             )
  82               | {{ p.name }}
  83           input#selectPlayers(
  84             type="text"
  85             v-model="newchallenge.to"
  86           )
  87         fieldset(v-if="st.user.id > 0 && newchallenge.to.length > 0")
  88           input#inputFen(
  89             placeholder="FEN"
  90             @input="trySetNewchallDiag()"
  91             type="text"
  92             v-model="newchallenge.fen"
  93           )
  94         .diagram(v-html="newchallenge.diag")
  95       button(@click="issueNewChallenge()") {{ st.tr["Send challenge"] }}
  96   input#modalPeople.modal(
  97     type="checkbox"
  98     @click="resetSocialColor()"
  99   )
 100   div#peopleWrap(
 101     role="dialog"
 102     data-checkbox="modalPeople"
 103   )
 104     .card
 105       label.modal-close(for="modalPeople")
 106       #people
 107         #players
 108           p(
 109             v-for="sid in Object.keys(people)"
 110             v-if="!!people[sid].name"
 111           )
 112             span {{ people[sid].name }}
 113             button.player-action(
 114               v-if="isGamer(sid)"
 115               @click="watchGame(sid)"
 116             )
 117               | {{ st.tr["Observe"] }}
 118             button.player-action(
 119               v-else-if="isFocusedOnHall(sid)"
 120               @click="challenge(sid)"
 121             )
 122               | {{ st.tr["Challenge"] }}
 123           p.anonymous @nonymous ({{ anonymousCount }})
 124         #chat
 125           Chat(
 126             :newChat="newChat"
 127             @mychat="processChat"
 128             :pastChats="[]"
 129           )
 130         .clearer
 131   .row
 132     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
 133       .button-group
 134         button#peopleBtn(onClick="window.doClick('modalPeople')")
 135           | {{ st.tr["Who's there?"] }}
 136         button(@click="showNewchallengeForm()")
 137           | {{ st.tr["New game"] }}
 138   .row(v-if="presetChalls.length > 0")
 139     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
 140       h4.text-center {{ st.tr["Preset challenges"] }}
 141       table
 142         thead
 143           tr
 144             th {{ st.tr["Variant"] }}
 145             th {{ st.tr["Cadence"] }}
 146             th {{ st.tr["Random?"] }}
 147             th
 148         tbody
 149           tr(
 150             v-for="pc in presetChalls"
 151             @click="newChallFromPreset(pc)"
 152           )
 153             td {{ pc.vname }}
 154             td {{ pc.cadence }}
 155             td(:class="getRandomnessClass(pc)")
 156             td.remove-preset(@click="removePresetChall($event, pc)")
 157               img(src="/images/icons/delete.svg")
 158   .row
 159     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
 160       div#div2
 161         .button-group
 162           button.tabbtn#btnClive(@click="setDisplay('c','live',$event)")
 163             | {{ st.tr["Live challenges"] }}
 164           button.tabbtn#btnCcorr(@click="setDisplay('c','corr',$event)")
 165             | {{ st.tr["Correspondance challenges"] }}
 166         ChallengeList(
 167           v-show="cdisplay=='live'"
 168           :challenges="filterChallenges('live')"
 169           @click-challenge="clickChallenge"
 170         )
 171         ChallengeList(
 172           v-show="cdisplay=='corr'"
 173           :challenges="filterChallenges('corr')"
 174           @click-challenge="clickChallenge"
 175         )
 176       div#div3
 177         .button-group
 178           button.tabbtn#btnGlive(@click="setDisplay('g','live',$event)")
 179             | {{ st.tr["Live games"] }}
 180           button.tabbtn#btnGcorr(@click="setDisplay('g','corr',$event)")
 181             | {{ st.tr["Correspondance games"] }}
 182         GameList(
 183           v-show="gdisplay=='live'"
 184           :games="filterGames('live')"
 185           :showBoth="true"
 186           @show-game="showGame"
 187         )
 188         GameList(
 189           v-show="gdisplay=='corr'"
 190           :games="filterGames('corr')"
 191           :showBoth="true"
 192           @show-game="showGame"
 193         )
 194 </template>
 195
 196 <script>
 197 import { store } from "@/store";
 198 import { checkChallenge } from "@/data/challengeCheck";
 199 import { ArrayFun } from "@/utils/array";
 200 import { ajax } from "@/utils/ajax";
 201 import params from "@/parameters";
 202 import { getRandString, shuffle } from "@/utils/alea";
 203 import { getDiagram } from "@/utils/printDiagram";
 204 import Chat from "@/components/Chat.vue";
 205 import GameList from "@/components/GameList.vue";
 206 import ChallengeList from "@/components/ChallengeList.vue";
 207 import { GameStorage } from "@/utils/gameStorage";
 208 import { processModalClick } from "@/utils/modalClick";
 209 export default {
 210   name: "my-hall",
 211   components: {
 212     Chat,
 213     GameList,
 214     ChallengeList
 215   },
 216   data: function() {
 217     return {
 218       st: store.state,
 219       cdisplay: "live", //or corr
 220       gdisplay: "live",
 221       games: [],
 222       challenges: [],
 223       people: {},
 224       infoMessage: "",
 225       newchallenge: {
 226         fen: "",
 227         vid: parseInt(localStorage.getItem("vid")) || 0,
 228         to: "", //name of challenged player (if any)
 229         cadence: localStorage.getItem("cadence") || "",
 230         randomness: parseInt(localStorage.getItem("randomness")) || 2,
 231         // VariantRules object, stored to not interfere with
 232         // diagrams of targetted challenges:
 233         V: null,
 234         vname: "",
 235         diag: "", //visualizing FEN
 236         memorize: false //put settings in localStorage
 237       },
 238       tchallDiag: "",
 239       curChallToAccept: {from: {}},
 240       presetChalls: JSON.parse(localStorage.getItem("presetChalls") || "[]"),
 241       newChat: "",
 242       conn: null,
 243       connexionString: "",
 244       // Related to (killing of) self multi-connects:
 245       newConnect: {},
 246       killed: {}
 247     };
 248   },
 249   watch: {
 250     // st.variants changes only once, at loading from [] to [...]
 251     "st.variants": function() {
 252       // Set potential challenges and games variant names:
 253       this.challenges.concat(this.games).forEach(o => {
 254         if (!o.vname) o.vname = this.getVname(o.vid);
 255       });
 256       if (!this.newchallenge.V && this.newchallenge.vid > 0)
 257         this.loadNewchallVariant();
 258     }
 259   },
 260   computed: {
 261     anonymousCount: function() {
 262       let count = 0;
 263       Object.values(this.people).forEach(p => {
 264         // Do not cound people who did not send their identity yet:
 265         count += (!p.name && p.id === 0) ? 1 : 0;
 266       });
 267       return count;
 268     }
 269   },
 270   created: function() {
 271     if (this.st.variants.length > 0 && this.newchallenge.vid > 0)
 272       this.loadNewchallVariant();
 273     const my = this.st.user;
 274     this.$set(
 275       this.people,
 276       my.sid,
 277       {
 278         id: my.id,
 279         name: my.name,
 280         pages: [{ path: "/", focus: true }]
 281       }
 282     );
 283     // Ask server for current corr games (all but mines)
 284     ajax(
 285       "/games",
 286       "GET",
 287       {
 288         data: { uid: this.st.user.id, excluded: true },
 289         success: (response) => {
 290           this.games = this.games.concat(
 291             response.games.map(g => {
 292               const type = this.classifyObject(g);
 293               const vname = this.getVname(g.vid);
 294               return Object.assign(
 295                 {},
 296                 g,
 297                 {
 298                   type: type,
 299                   vname: vname
 300                 }
 301               );
 302             })
 303           );
 304         }
 305       }
 306     );
 307     // Also ask for corr challenges (open + sent by/to me)
 308     ajax(
 309       "/challenges",
 310       "GET",
 311       {
 312         data: { uid: this.st.user.id },
 313         success: (response) => {
 314           // Gather all senders names, and then retrieve full identity:
 315           // (TODO [perf]: some might be online...)
 316           let names = {};
 317           response.challenges.forEach(c => {
 318             if (c.uid != this.st.user.id) names[c.uid] = "";
 319             else if (!!c.target && c.target != this.st.user.id)
 320               names[c.target] = "";
 321           });
 322           const addChallenges = () => {
 323             names[this.st.user.id] = this.st.user.name; //in case of
 324             this.challenges = this.challenges.concat(
 325               response.challenges.map(c => {
 326                 const from = { name: names[c.uid], id: c.uid }; //or just name
 327                 const type = this.classifyObject(c);
 328                 const vname = this.getVname(c.vid);
 329                 return Object.assign(
 330                   {},
 331                   {
 332                     type: type,
 333                     vname: vname,
 334                     from: from,
 335                     to: c.target ? names[c.target] : ""
 336                   },
 337                   c
 338                 );
 339               })
 340             );
 341           };
 342           if (Object.keys(names).length > 0) {
 343             ajax(
 344               "/users",
 345               "GET",
 346               {
 347                 data: { ids: Object.keys(names).join(",") },
 348                 success: (response2) => {
 349                   response2.users.forEach(u => {
 350                     names[u.id] = u.name;
 351                   });
 352                   addChallenges();
 353                 }
 354               }
 355             );
 356           } else addChallenges();
 357         }
 358       }
 359     );
 360     const connectAndPoll = () => {
 361       this.send("connect");
 362       this.send("pollclientsandgamers");
 363     };
 364     // Initialize connection
 365     this.connexionString =
 366       params.socketUrl +
 367       "/?sid=" +
 368       this.st.user.sid +
 369       "&id=" +
 370       this.st.user.id +
 371       "&tmpId=" +
 372       getRandString() +
 373       "&page=" +
 374       // Hall: path is "/" (could be hard-coded as well)
 375       encodeURIComponent(this.$route.path);
 376     this.conn = new WebSocket(this.connexionString);
 377     this.conn.onopen = connectAndPoll;
 378     this.conn.onmessage = this.socketMessageListener;
 379     this.conn.onclose = this.socketCloseListener;
 380   },
 381   mounted: function() {
 382     document.addEventListener('visibilitychange', this.visibilityChange);
 383     ["peopleWrap", "infoDiv", "newgameDiv"].forEach(eltName => {
 384       let elt = document.getElementById(eltName);
 385       elt.addEventListener("click", processModalClick);
 386     });
 387     document.querySelectorAll("#predefinedCadences > button").forEach(b => {
 388       b.addEventListener("click", () => {
 389         this.newchallenge.cadence = b.innerHTML;
 390       });
 391     });
 392     const dispCorr = this.$route.query["disp"];
 393     const showCtype =
 394       dispCorr || localStorage.getItem("type-challenges") || "live";
 395     const showGtype =
 396       dispCorr || localStorage.getItem("type-games") || "live";
 397     this.setDisplay("c", showCtype);
 398     this.setDisplay("g", showGtype);
 399   },
 400   beforeDestroy: function() {
 401     document.removeEventListener('visibilitychange', this.visibilityChange);
 402     this.send("disconnect");
 403   },
 404   methods: {
 405     getRandomnessClass: function(pc) {
 406       return {
 407         ["random-" + pc.randomness]: true
 408       };
 409     },
 410     visibilityChange: function() {
 411       // TODO: Use document.hidden? https://webplatform.news/issues/2019-03-27
 412       this.send(
 413         document.visibilityState == "visible"
 414           ? "getfocus"
 415           : "losefocus"
 416       );
 417     },
 418     partialResetNewchallenge: function() {
 419       // Reset potential target and custom FEN:
 420       this.newchallenge.to = "";
 421       this.newchallenge.fen = "";
 422       this.newchallenge.diag = "";
 423       this.newchallenge.memorize = false;
 424     },
 425     showNewchallengeForm: function() {
 426       this.partialResetNewchallenge();
 427       window.doClick("modalNewgame");
 428     },
 429     addPresetChall: function(chall) {
 430       // Add only if not already existing:
 431       if (this.presetChalls.some(c =>
 432         c.vid == chall.vid &&
 433         c.cadence == chall.cadence &&
 434         c.randomness == chall.randomness
 435       )) {
 436         return;
 437       }
 438       const L = this.presetChalls.length;
 439       this.presetChalls.push({
 440         index: L,
 441         vid: chall.vid,
 442         vname: chall.vname, //redundant, but easier
 443         cadence: chall.cadence,
 444         randomness: chall.randomness
 445       });
 446       localStorage.setItem("presetChalls", JSON.stringify(this.presetChalls));
 447     },
 448     removePresetChall: function(e, pchall) {
 449       e.stopPropagation();
 450       const pchallIdx = this.presetChalls.findIndex(pc => pc.index == pchall.index);
 451       this.presetChalls.splice(pchallIdx, 1);
 452       localStorage.setItem("presetChalls", JSON.stringify(this.presetChalls));
 453     },
 454     tchallButtonsMargin: function() {
 455       if (!!this.curChallToAccept.fen) return { "margin-top": "10px" };
 456       return {};
 457     },
 458     cadenceFocusIfOpened: function() {
 459       if (event.target.checked)
 460         document.getElementById("cadence").focus();
 461     },
 462     send: function(code, obj) {
 463       if (!!this.conn) {
 464         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 465       }
 466     },
 467     getVname: function(vid) {
 468       const variant = this.st.variants.find(v => v.id == vid);
 469       // this.st.variants might be uninitialized (variant == null)
 470       return variant ? variant.name : "";
 471     },
 472     filterChallenges: function(type) {
 473       return this.challenges.filter(c => c.type == type);
 474     },
 475     filterGames: function(type) {
 476       return this.games.filter(g => g.type == type);
 477     },
 478     classifyObject: function(o) {
 479       // o: challenge or game
 480       return o.cadence.indexOf("d") === -1 ? "live" : "corr";
 481     },
 482     setDisplay: function(letter, type, e) {
 483       this[letter + "display"] = type;
 484       localStorage.setItem(
 485         "type-" + (letter == "c" ? "challenges" : "games"),
 486         type
 487       );
 488       let elt = e
 489         ? e.target
 490         : document.getElementById("btn" + letter.toUpperCase() + type);
 491       elt.classList.add("active");
 492       elt.classList.remove("somethingnew"); //in case of
 493       if (!!elt.previousElementSibling)
 494         elt.previousElementSibling.classList.remove("active");
 495       else elt.nextElementSibling.classList.remove("active");
 496     },
 497     isGamer: function(sid) {
 498       return this.people[sid].pages
 499         .some(p => p.focus && p.path.indexOf("/game/") >= 0);
 500     },
 501     isFocusedOnHall: function(sid) {
 502       return (
 503         // This is meant to challenge people, thus the next 2 conditions:
 504         this.st.user.id > 0 &&
 505         sid != this.st.user.sid &&
 506         this.people[sid].pages.some(p => p.path == "/" && p.focus)
 507       );
 508     },
 509     challenge: function(sid) {
 510       this.partialResetNewchallenge();
 511       // Available, in Hall
 512       this.newchallenge.to = this.people[sid].name;
 513       // TODO: also store target sid to not re-search for it
 514       document.getElementById("modalPeople").checked = false;
 515       window.doClick("modalNewgame");
 516     },
 517     watchGame: function(sid) {
 518       // In some game, maybe playing maybe not: show a random one
 519       let gids = [];
 520       this.people[sid].pages.forEach(p => {
 521         if (p.focus) {
 522           const matchGid = p.path.match(/[a-zA-Z0-9]+$/);
 523           if (!!matchGid) gids.push(matchGid[0]);
 524         }
 525       });
 526       const gid = gids[Math.floor(Math.random() * gids.length)];
 527       const game = this.games.find(g => g.id == gid);
 528       if (!!game) this.showGame(game);
 529       else this.$router.push("/game/" + gid); //game vs. me
 530     },
 531     showGame: function(g) {
 532       // NOTE: we are an observer, since only games I don't play are shown here
 533       // ==> Moves sent by connected remote player(s) if live game
 534       let url = "/game/" + g.id;
 535       if (g.type == "live")
 536         url += "?rid=" + g.rids[Math.floor(Math.random() * g.rids.length)];
 537       this.$router.push(url);
 538     },
 539     resetSocialColor: function() {
 540       // TODO: this is called twice, once on opening an once on closing
 541       document.getElementById("peopleBtn").classList.remove("somethingnew");
 542     },
 543     processChat: function(chat) {
 544       this.send("newchat", { data: chat });
 545     },
 546     getOppsid: function(c) {
 547       let oppsid = c.from.sid; //may not be defined if corr + offline opp
 548       if (!oppsid) {
 549         oppsid = Object.keys(this.people).find(
 550           sid => this.people[sid].id == c.from.id
 551         );
 552       }
 553       return oppsid;
 554     },
 555     // Messaging center:
 556     socketMessageListener: function(msg) {
 557       if (!this.conn) return;
 558       const data = JSON.parse(msg.data);
 559       switch (data.code) {
 560         case "pollclientsandgamers": {
 561           // Since people can be both in Hall and Game,
 562           // need to track "askIdentity" requests:
 563           let identityAsked = {};
 564           data.sockIds.forEach(s => {
 565             const page = s.page || "/";
 566             if (s.sid != this.st.user.sid && !identityAsked[s.sid]) {
 567               this.send("askidentity", { target: s.sid, page: page });
 568               identityAsked[s.sid] = true;
 569             }
 570             if (!this.people[s.sid]) {
 571               // Do not set name or id: identity unknown yet
 572               this.people[s.sid] = { pages: [{path: page, focus: true}] };
 573             }
 574             else if (!(this.people[s.sid].pages.find(p => p.path == page)))
 575               this.people[s.sid].pages.push({ path: page, focus: true });
 576             if (!s.page)
 577               // Peer is in Hall
 578               this.send("askchallenges", { target: s.sid });
 579             // Peer is in Game
 580             else this.send("askgame", { target: s.sid, page: page });
 581           });
 582           break;
 583         }
 584         case "connect":
 585         case "gconnect": {
 586           const page = data.page || "/";
 587           // Only ask game / challenges if first connexion:
 588           if (!this.people[data.from]) {
 589             this.people[data.from] = { pages: [{ path: page, focus: true }] };
 590             if (data.code == "connect")
 591               this.send("askchallenges", { target: data.from });
 592             else this.send("askgame", { target: data.from, page: page });
 593           } else {
 594             // Append page if not already in list
 595             if (!(this.people[data.from].pages.find(p => p.path == page)))
 596               this.people[data.from].pages.push({ path: page, focus: true });
 597           }
 598           if (!this.people[data.from].name && this.people[data.from].id !== 0) {
 599             // Identity not known yet
 600             this.newConnect[data.from] = true; //for self multi-connects tests
 601             this.send("askidentity", { target: data.from, page: page });
 602           }
 603           break;
 604         }
 605         case "disconnect":
 606         case "gdisconnect": {
 607           // If the user reloads the page twice very quickly (experienced with Firefox),
 608           // the first reload won't have time to connect but will trigger a "close" event anyway.
 609           // ==> Next check is required.
 610           if (!this.people[data.from]) return;
 611           // Disconnect means no more tmpIds:
 612           if (data.code == "disconnect") {
 613             // Remove the live challenges sent by this player:
 614             ArrayFun.remove(
 615               this.challenges,
 616               c => c.type == "live" && c.from.sid == data.from,
 617               "all"
 618             );
 619           } else {
 620             // Remove the matching live game if now unreachable
 621             const gid = data.page.match(/[a-zA-Z0-9]+$/)[0];
 622             const gidx = this.games.findIndex(g => g.id == gid);
 623             if (gidx >= 0) {
 624               const game = this.games[gidx];
 625               if (
 626                 game.type == "live" &&
 627                 game.rids.length == 1 &&
 628                 game.rids[0] == data.from
 629               ) {
 630                 this.games.splice(gidx, 1);
 631               }
 632             }
 633           }
 634           const page = data.page || "/";
 635           ArrayFun.remove(this.people[data.from].pages, p => p.path == page);
 636           if (this.people[data.from].pages.length == 0)
 637             this.$delete(this.people, data.from);
 638           break;
 639         }
 640         case "getfocus":
 641           // If user reload a page, focus may arrive earlier than connect
 642           if (!!this.people[data.from]) {
 643             this.people[data.from].pages
 644               .find(p => p.path == data.page).focus = true;
 645             this.$forceUpdate(); //TODO: shouldn't be required
 646           }
 647           break;
 648         case "losefocus":
 649           if (!!this.people[data.from]) {
 650             this.people[data.from].pages
 651               .find(p => p.path == data.page).focus = false;
 652             this.$forceUpdate(); //TODO: shouldn't be required
 653           }
 654           break;
 655         case "killed":
 656           // I logged in elsewhere:
 657           this.conn = null;
 658           alert(this.st.tr["New connexion detected: tab now offline"]);
 659           break;
 660         case "askidentity": {
 661           // Request for identification (TODO: anonymous shouldn't need to reply)
 662           const me = {
 663             // Decompose to avoid revealing email
 664             name: this.st.user.name,
 665             sid: this.st.user.sid,
 666             id: this.st.user.id
 667           };
 668           this.send("identity", { data: me, target: data.from });
 669           break;
 670         }
 671         case "identity": {
 672           const user = data.data;
 673           let player = this.people[user.sid];
 674           // player.pages is already set
 675           player.id = user.id;
 676           player.name = user.name;
 677           // TODO: this.$set(people, ...) fails. So forceUpdate.
 678           //       But this shouldn't be like that!
 679           this.$forceUpdate();
 680           // If I multi-connect, kill current connexion if no mark (I'm older)
 681           if (this.newConnect[user.sid]) {
 682             if (
 683               user.id > 0 &&
 684               user.id == this.st.user.id &&
 685               user.sid != this.st.user.sid &&
 686               !this.killed[this.st.user.sid]
 687             ) {
 688                 this.send("killme", { sid: this.st.user.sid });
 689                 this.killed[this.st.user.sid] = true;
 690             }
 691             delete this.newConnect[user.sid];
 692           }
 693           break;
 694         }
 695         case "askchallenges": {
 696           // Send my current live challenges (if any)
 697           const myChallenges = this.challenges
 698             .filter(c =>
 699               c.from.sid == this.st.user.sid && c.type == "live"
 700             )
 701             .map(c => {
 702               // NOTE: in principle, should only send targeted challenge to the target.
 703               // But we may not know yet the identity of the target (just name),
 704               // so cannot decide if data.from is the target or not.
 705               return {
 706                 id: c.id,
 707                 from: this.st.user.sid,
 708                 to: c.to,
 709                 randomness: c.randomness,
 710                 fen: c.fen,
 711                 vid: c.vid,
 712                 cadence: c.cadence,
 713                 added: c.added
 714               };
 715             });
 716           if (myChallenges.length > 0)
 717             this.send("challenges", { data: myChallenges, target: data.from });
 718           break;
 719         }
 720         case "challenges": //after "askchallenges"
 721           data.data.forEach(this.addChallenge);
 722           break;
 723         case "newchallenge":
 724           this.addChallenge(data.data);
 725           break;
 726         case "refusechallenge": {
 727           const cid = data.data;
 728           ArrayFun.remove(this.challenges, c => c.id == cid);
 729           alert(this.st.tr["Challenge declined"]);
 730           break;
 731         }
 732         case "deletechallenge_s": {
 733           // NOTE: the challenge(s) may be already removed
 734           const cref = data.data;
 735           if (!!cref.cid) ArrayFun.remove(this.challenges, c => c.id == cref.cid);
 736           else if (!!cref.sids) {
 737             cref.sids.forEach(s => {
 738               ArrayFun.remove(
 739                 this.challenges,
 740                 c => c.type == "live" && c.from.sid == s,
 741                 "all"
 742               );
 743             });
 744           }
 745           break;
 746         }
 747         case "game": //individual request
 748         case "newgame": {
 749           const game = data.data;
 750           // Ignore games where I play (will go in MyGames page)
 751           if (game.players.every(p =>
 752             p.sid != this.st.user.sid || p.uid != this.st.user.id))
 753           {
 754             let locGame = this.games.find(g => g.id == game.id);
 755             if (!locGame) {
 756               let newGame = game;
 757               newGame.type = this.classifyObject(game);
 758               newGame.vname = this.getVname(game.vid);
 759               if (!game.score)
 760                 // New game from Hall
 761                 newGame.score = "*";
 762               newGame.rids = [game.rid];
 763               delete newGame["rid"];
 764               this.games.push(newGame);
 765               if (
 766                 (newGame.type == "live" && this.gdisplay == "corr") ||
 767                 (newGame.type == "corr" && this.gdisplay == "live")
 768               ) {
 769                 document
 770                   .getElementById("btnG" + newGame.type)
 771                   .classList.add("somethingnew");
 772               }
 773             } else {
 774               // Append rid (if not already in list)
 775               if (!locGame.rids.includes(game.rid)) locGame.rids.push(game.rid);
 776             }
 777           }
 778           break;
 779         }
 780         case "result": {
 781           let g = this.games.find(g => g.id == data.gid);
 782           if (!!g) g.score = data.score;
 783           break;
 784         }
 785         case "startgame": {
 786           // New game just started, I'm involved
 787           const gameInfo = data.data;
 788           if (this.classifyObject(gameInfo) == "live")
 789             this.startNewGame(gameInfo);
 790           else {
 791             this.infoMessage =
 792               this.st.tr["New correspondance game:"] +
 793               " <a href='#/game/" +
 794               gameInfo.id +
 795               "'>" +
 796               "#/game/" +
 797               gameInfo.id +
 798               "</a>";
 799             document.getElementById("modalInfo").checked = true;
 800           }
 801           break;
 802         }
 803         case "newchat":
 804           this.newChat = data.data;
 805           if (!document.getElementById("modalPeople").checked)
 806             document.getElementById("peopleBtn").classList.add("somethingnew");
 807           break;
 808       }
 809     },
 810     socketCloseListener: function() {
 811       if (!this.conn) return;
 812       this.conn = new WebSocket(this.connexionString);
 813       this.conn.addEventListener("message", this.socketMessageListener);
 814       this.conn.addEventListener("close", this.socketCloseListener);
 815     },
 816     // Challenge lifecycle:
 817     addChallenge: function(chall) {
 818       // NOTE about next condition: see "askchallenges" case.
 819       if (
 820         !chall.to ||
 821         (this.people[chall.from].id > 0 &&
 822           (chall.from == this.st.user.sid || chall.to == this.st.user.name))
 823       ) {
 824         let newChall = Object.assign({}, chall);
 825         newChall.type = this.classifyObject(chall);
 826         newChall.randomness = chall.randomness;
 827         newChall.added = Date.now();
 828         let fromValues = Object.assign({}, this.people[chall.from]);
 829         delete fromValues["pages"]; //irrelevant in this context
 830         newChall.from = Object.assign({ sid: chall.from }, fromValues);
 831         newChall.vname = this.getVname(newChall.vid);
 832         this.challenges.push(newChall);
 833         if (
 834           (newChall.type == "live" && this.cdisplay == "corr") ||
 835           (newChall.type == "corr" && this.cdisplay == "live")
 836         ) {
 837           document
 838             .getElementById("btnC" + newChall.type)
 839             .classList.add("somethingnew");
 840         }
 841       }
 842     },
 843     loadNewchallVariant: async function(cb) {
 844       const vname = this.getVname(this.newchallenge.vid);
 845       const vModule = await import("@/variants/" + vname + ".js");
 846       this.newchallenge.V = vModule.VariantRules;
 847       this.newchallenge.vname = vname;
 848       if (!!cb)
 849         cb();
 850     },
 851     trySetNewchallDiag: function() {
 852       if (!this.newchallenge.fen) {
 853         this.newchallenge.diag = "";
 854         return;
 855       }
 856       // If vid > 0 then the variant is loaded (function above):
 857       window.V = this.newchallenge.V;
 858       if (
 859         this.newchallenge.vid > 0 &&
 860         !!this.newchallenge.fen &&
 861         V.IsGoodFen(this.newchallenge.fen)
 862       ) {
 863         const parsedFen = V.ParseFen(this.newchallenge.fen);
 864         this.newchallenge.diag = getDiagram({
 865           position: parsedFen.position,
 866           orientation: parsedFen.turn
 867         });
 868       }
 869     },
 870     newChallFromPreset(pchall) {
 871       this.partialResetNewchallenge();
 872       this.newchallenge.vid = pchall.vid;
 873       this.newchallenge.cadence = pchall.cadence;
 874       this.newchallenge.randomness = pchall.randomness;
 875       this.issueNewChallenge();
 876     },
 877     issueNewChallenge: async function() {
 878       if (!!(this.newchallenge.cadence.match(/^[0-9]+$/)))
 879         this.newchallenge.cadence += "+0"; //assume minutes, no increment
 880       const ctype = this.classifyObject(this.newchallenge);
 881       // TODO: cadence still unchecked so ctype could be wrong...
 882       let error = "";
 883       if (!this.newchallenge.vid)
 884         error = this.st.tr["Please select a variant"];
 885       else if (ctype == "corr" && this.st.user.id <= 0)
 886         error = this.st.tr["Please log in to play correspondance games"];
 887       else if (!!this.newchallenge.to) {
 888         if (this.newchallenge.to == this.st.user.name)
 889           error = this.st.tr["Self-challenge is forbidden"];
 890         else if (
 891           ctype == "live" &&
 892           Object.values(this.people).every(p => p.name != this.newchallenge.to)
 893         )
 894           error = this.newchallenge.to + " " + this.st.tr["is not online"];
 895       }
 896       if (error) {
 897         alert(error);
 898         return;
 899       }
 900       window.V = this.newchallenge.V;
 901       error = checkChallenge(this.newchallenge);
 902       if (error) {
 903         alert(error);
 904         return;
 905       }
 906       // NOTE: "from" information is not required here
 907       let chall = Object.assign({}, this.newchallenge);
 908       // Add only if not already issued (not counting target or FEN):
 909       if (this.challenges.some(c =>
 910         (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id) &&
 911         c.vid == chall.vid &&
 912         c.cadence == chall.cadence &&
 913         c.randomness == chall.randomness
 914       )) {
 915         alert(this.st.tr["Challenge already exists"]);
 916         return;
 917       }
 918       if (this.newchallenge.memorize) this.addPresetChall(this.newchallenge);
 919       delete chall["V"];
 920       delete chall["diag"];
 921       const finishAddChallenge = cid => {
 922         chall.id = cid || "c" + getRandString();
 923         const MAX_ALLOWED_CHALLS = 3;
 924         // Remove oldest challenge if 3 found: only 3 at a time of a given type
 925         let countMyChalls = 0;
 926         let challToDelIdx = 0;
 927         let oldestAdded = Number.MAX_SAFE_INTEGER;
 928         for (let i=0; i<this.challenges.length; i++) {
 929           const c = this.challenges[i];
 930           if (
 931             c.type == ctype &&
 932             (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id)
 933           ) {
 934             countMyChalls++;
 935             if (c.added < oldestAdded) {
 936               challToDelIdx = i;
 937               oldestAdded = c.added;
 938             }
 939           }
 940         }
 941         if (countMyChalls >= MAX_ALLOWED_CHALLS) {
 942           this.send(
 943             "deletechallenge_s",
 944             { data: { cid: this.challenges[challToDelIdx].id } }
 945           );
 946           if (ctype == "corr") {
 947             ajax(
 948               "/challenges",
 949               "DELETE",
 950               { data: { id: this.challenges[challToDelIdx].id } }
 951             );
 952           }
 953           this.challenges.splice(challToDelIdx, 1);
 954         }
 955         this.send("newchallenge", {
 956           data: Object.assign({ from: this.st.user.sid }, chall)
 957         });
 958         // Add new challenge:
 959         chall.from = {
 960           // Decompose to avoid revealing email
 961           sid: this.st.user.sid,
 962           id: this.st.user.id,
 963           name: this.st.user.name
 964         };
 965         chall.added = Date.now();
 966         // NOTE: vname and type are redundant (can be deduced from cadence + vid)
 967         chall.type = ctype;
 968         chall.vname = this.newchallenge.vname;
 969         this.challenges.push(chall);
 970         // Remember cadence  + vid for quicker further challenges:
 971         localStorage.setItem("cadence", chall.cadence);
 972         localStorage.setItem("vid", chall.vid);
 973         localStorage.setItem("randomness", chall.randomness);
 974         document.getElementById("modalNewgame").checked = false;
 975         // Show the challenge if not on current display
 976         if (
 977           (ctype == "live" && this.cdisplay == "corr") ||
 978           (ctype == "corr" && this.cdisplay == "live")
 979         ) {
 980           this.setDisplay('c', ctype);
 981         }
 982       };
 983       if (ctype == "live") {
 984         // Live challenges have a random ID
 985         finishAddChallenge(null);
 986       } else {
 987         // Correspondance game: send challenge to server
 988         ajax(
 989           "/challenges",
 990           "POST",
 991           {
 992             data: { chall: chall },
 993             success: (response) => {
 994               finishAddChallenge(response.cid);
 995             }
 996           }
 997         );
 998       }
 999     },
1000     // Callback function after a diagram was showed to accept
1001     // or refuse targetted challenge:
1002     decisionChallenge: function(accepted) {
1003       this.curChallToAccept.accepted = accepted;
1004       this.finishProcessingChallenge(this.curChallToAccept);
1005       document.getElementById("modalAccept").checked = false;
1006     },
1007     finishProcessingChallenge: function(c) {
1008       if (c.accepted) {
1009         c.seat = {
1010           // Again, avoid c.seat = st.user to not reveal email
1011           sid: this.st.user.sid,
1012           id: this.st.user.id,
1013           name: this.st.user.name
1014         };
1015         this.launchGame(c);
1016         if (c.type == "live")
1017           // Remove all live challenges of both players
1018           this.send("deletechallenge_s", { data: { sids: [c.from.sid, c.seat.sid] } });
1019         else
1020           // Corr challenge: just remove the challenge
1021           this.send("deletechallenge_s", { data: { cid: c.id } });
1022       } else {
1023         const oppsid = this.getOppsid(c);
1024         if (!!oppsid)
1025           this.send("refusechallenge", { data: c.id, target: oppsid });
1026         if (c.type == "corr") {
1027           ajax(
1028             "/challenges",
1029             "DELETE",
1030             { data: { id: c.id } }
1031           );
1032         }
1033         this.send("deletechallenge_s", { data: { cid: c.id } });
1034       }
1035     },
1036     // TODO: if several players click same challenge at the same time: problem
1037     clickChallenge: async function(c) {
1038       const myChallenge =
1039         c.from.sid == this.st.user.sid || //live
1040         (this.st.user.id > 0 && c.from.id == this.st.user.id); //corr
1041       if (!myChallenge) {
1042         if (c.type == "corr" && this.st.user.id <= 0) {
1043           alert(this.st.tr["Please log in to accept corr challenges"]);
1044           return;
1045         }
1046         c.accepted = true;
1047         const vModule = await import("@/variants/" + c.vname + ".js");
1048         window.V = vModule.VariantRules;
1049         if (!!c.to) {
1050           // c.to == this.st.user.name (connected)
1051           if (!!c.fen) {
1052             const parsedFen = V.ParseFen(c.fen);
1053             c.mycolor = V.GetOppCol(parsedFen.turn);
1054             this.tchallDiag = getDiagram({
1055               position: parsedFen.position,
1056               orientation: c.mycolor
1057             });
1058           }
1059           this.curChallToAccept = c;
1060           document.getElementById("modalAccept").checked = true;
1061         }
1062         else this.finishProcessingChallenge(c);
1063       }
1064       else {
1065         // My challenge
1066         if (c.type == "corr") {
1067           ajax(
1068             "/challenges",
1069             "DELETE",
1070             { data: { id: c.id } }
1071           );
1072         }
1073         this.send("deletechallenge_s", { data: { cid: c.id } });
1074       }
1075       // In all cases, the challenge is consumed:
1076       ArrayFun.remove(this.challenges, ch => ch.id == c.id);
1077     },
1078     // NOTE: when launching game, the challenge is already being deleted
1079     launchGame: function(c) {
1080       let players =
1081         !!c.mycolor
1082           ? (c.mycolor == "w" ? [c.seat, c.from] : [c.from, c.seat])
1083           : shuffle([c.from, c.seat]);
1084       // Convention for players IDs in stored games is 'uid'
1085       players.forEach(p => {
1086         let pWithUid = p;
1087         pWithUid["uid"] = p.id;
1088         delete pWithUid["id"];
1089       });
1090       // These game informations will be shared
1091       let gameInfo = {
1092         id: getRandString(),
1093         fen: c.fen || V.GenRandInitFen(c.randomness),
1094         // White player index 0, black player index 1:
1095         players: c.mycolor
1096           ? (c.mycolor == "w" ? [c.seat, c.from] : [c.from, c.seat])
1097           : shuffle([c.from, c.seat]),
1098         vid: c.vid,
1099         cadence: c.cadence
1100       };
1101       const notifyNewgame = () => {
1102         const oppsid = this.getOppsid(c);
1103         if (!!oppsid)
1104           // Opponent is online
1105           this.send("startgame", { data: gameInfo, target: oppsid });
1106         // Send game info (only if live) to everyone except me and opponent
1107         // TODO: this double message send could be avoided.
1108         this.send("newgame", { data: gameInfo, oppsid: oppsid });
1109         // Also to MyGames page:
1110         this.send(
1111           "notifynewgame",
1112           {
1113             data: gameInfo,
1114             targets: gameInfo.players.map(p => {
1115               return { sid: p.sid, uid: p.uid };
1116             })
1117           }
1118         );
1119       };
1120       if (c.type == "live") {
1121         notifyNewgame();
1122         this.startNewGame(gameInfo);
1123       } else {
1124         // corr: game only on server
1125         ajax(
1126           "/games",
1127           "POST",
1128           {
1129             // cid is useful to delete the challenge:
1130             data: { gameInfo: gameInfo, cid: c.id },
1131             success: (response) => {
1132               gameInfo.id = response.gameId;
1133               notifyNewgame();
1134               this.$router.push("/game/" + response.gameId);
1135             }
1136           }
1137         );
1138       }
1139     },
1140     // NOTE: for live games only (corr games start on the server)
1141     startNewGame: function(gameInfo) {
1142       const game = Object.assign(
1143         {},
1144         gameInfo,
1145         {
1146           // (other) Game infos: constant
1147           fenStart: gameInfo.fen,
1148           vname: this.getVname(gameInfo.vid),
1149           created: Date.now(),
1150           // Game state (including FEN): will be updated
1151           moves: [],
1152           clocks: [-1, -1], //-1 = unstarted
1153           initime: [0, 0], //initialized later
1154           score: "*"
1155         }
1156       );
1157       setTimeout(
1158         () => {
1159           GameStorage.add(game, (err) => {
1160             // If an error occurred, game is not added: a tab already
1161             // added the game and (if focused) is redirected toward it.
1162             // If no error and the tab is hidden: do not show anything.
1163             if (!err && !document.hidden) {
1164               if (this.st.settings.sound)
1165                 new Audio("/sounds/newgame.flac").play().catch(() => {});
1166               this.$router.push("/game/" + gameInfo.id);
1167             }
1168           });
1169         },
1170         document.hidden ? 500 + 1000 * Math.random() : 0
1171       );
1172     }
1173   }
1174 };
1175 </script>
1176
1177 <style lang="sass" scoped>
1178 .active
1179   color: #42a983
1180
1181 #infoDiv > .card
1182   padding: 15px 0
1183   max-width: 430px
1184
1185 #newgameDiv > .card, #acceptDiv > .card
1186   max-width: 767px
1187   max-height: 100%
1188
1189 div#peopleWrap > .card
1190   max-height: 100%
1191
1192 @media screen and (min-width: 1281px)
1193   div#peopleWrap > .card
1194     max-width: 66.67%
1195
1196 @media screen and (max-width: 1280px)
1197   div#peopleWrap > .card
1198     max-width: 83.33%
1199
1200 @media screen and (max-width: 767px)
1201   div#peopleWrap > .card
1202     max-width: 100%
1203
1204 #players
1205   width: 50%
1206   position: relative
1207   float: left
1208
1209 #chat
1210   width: 50%
1211   float: left
1212   position: relative
1213
1214 @media screen and (max-width: 767px)
1215   #players, #chats
1216     width: 100%
1217
1218 #chat > .card
1219   max-width: 100%
1220   margin: 0;
1221   border: none;
1222
1223 #players > p
1224   margin-left: 5px
1225
1226 .anonymous
1227   font-style: italic
1228
1229 button.player-action
1230   margin-left: 32px
1231
1232 .somethingnew
1233   background-color: #c5fefe !important
1234
1235 .tabbtn
1236   background-color: #f9faee
1237
1238 button.acceptBtn
1239   background-color: lightgreen
1240 button.refuseBtn
1241   background-color: red
1242
1243 #buttonsTchall
1244   // margin-top set dynamically (depends if diagram showed or not)
1245   & > button > span
1246     width: 100%
1247     text-align: center
1248
1249 .variantName
1250   font-weight: bold
1251
1252 .diagram
1253   margin: 0 auto
1254   max-width: 400px
1255   // width: 100% required for Firefox
1256   width: 100%
1257
1258 #inputFen
1259   width: 100%
1260
1261 #div2, #div3
1262   margin-top: 15px
1263 @media screen and (max-width: 767px)
1264   #div2, #div3
1265     margin-top: 0
1266
1267 tr > td
1268   &.random-0
1269     background-color: #FF5733
1270   &.random-1
1271     background-color: #2B63B4
1272   &.random-2
1273     background-color: #33B42B
1274
1275 @media screen and (max-width: 767px)
1276   h4
1277     margin: 5px 0
1278
1279 td.remove-preset
1280   background-color: lightgrey
1281   text-align: center
1282   & > img
1283     height: 1em
1284 </style>