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         div(v-show="gdisplay=='corr'")
 189           GameList(
 190             :games="filterGames('corr')"
 191             :showBoth="true"
 192             @show-game="showGame"
 193           )
 194           button#loadMoreBtn(
 195             v-if="hasMore"
 196             @click="loadMore()"
 197           )
 198             | {{ st.tr["Load more"] }}
 199 </template>
 200
 201 <script>
 202 import { store } from "@/store";
 203 import { checkChallenge } from "@/data/challengeCheck";
 204 import { ArrayFun } from "@/utils/array";
 205 import { ajax } from "@/utils/ajax";
 206 import params from "@/parameters";
 207 import { getRandString, shuffle } from "@/utils/alea";
 208 import { getDiagram } from "@/utils/printDiagram";
 209 import Chat from "@/components/Chat.vue";
 210 import GameList from "@/components/GameList.vue";
 211 import ChallengeList from "@/components/ChallengeList.vue";
 212 import { GameStorage } from "@/utils/gameStorage";
 213 import { processModalClick } from "@/utils/modalClick";
 214 export default {
 215   name: "my-hall",
 216   components: {
 217     Chat,
 218     GameList,
 219     ChallengeList
 220   },
 221   data: function() {
 222     return {
 223       st: store.state,
 224       cdisplay: "live", //or corr
 225       gdisplay: "live",
 226       // timestamp of last showed (oldest) corr game:
 227       cursor: Number.MAX_SAFE_INTEGER,
 228       // hasMore == TRUE: a priori there could be more games to load
 229       hasMore: true,
 230       games: [],
 231       challenges: [],
 232       people: {},
 233       infoMessage: "",
 234       newchallenge: {
 235         fen: "",
 236         vid: parseInt(localStorage.getItem("vid")) || 0,
 237         to: "", //name of challenged player (if any)
 238         cadence: localStorage.getItem("cadence") || "",
 239         randomness: parseInt(localStorage.getItem("challRandomness")) || 2,
 240         // VariantRules object, stored to not interfere with
 241         // diagrams of targetted challenges:
 242         V: null,
 243         vname: "",
 244         diag: "", //visualizing FEN
 245         memorize: false //put settings in localStorage
 246       },
 247       tchallDiag: "",
 248       curChallToAccept: {from: {}},
 249       presetChalls: JSON.parse(localStorage.getItem("presetChalls") || "[]"),
 250       newChat: "",
 251       conn: null,
 252       connexionString: "",
 253       // Related to (killing of) self multi-connects:
 254       newConnect: {},
 255       killed: {}
 256     };
 257   },
 258   watch: {
 259     // st.variants changes only once, at loading from [] to [...]
 260     "st.variants": function() {
 261       // Set potential challenges and games variant names:
 262       this.challenges.concat(this.games).forEach(o => {
 263         if (!o.vname) o.vname = this.getVname(o.vid);
 264       });
 265       if (!this.newchallenge.V && this.newchallenge.vid > 0)
 266         this.loadNewchallVariant();
 267     }
 268   },
 269   computed: {
 270     anonymousCount: function() {
 271       let count = 0;
 272       Object.values(this.people).forEach(p => {
 273         // Do not cound people who did not send their identity yet:
 274         count += (!p.name && p.id === 0) ? 1 : 0;
 275       });
 276       return count;
 277     }
 278   },
 279   created: function() {
 280     if (this.st.variants.length > 0 && this.newchallenge.vid > 0)
 281       this.loadNewchallVariant();
 282     const my = this.st.user;
 283     this.$set(
 284       this.people,
 285       my.sid,
 286       {
 287         id: my.id,
 288         name: my.name,
 289         pages: [{ path: "/", focus: true }]
 290       }
 291     );
 292     const connectAndPoll = () => {
 293       this.send("connect");
 294       this.send("pollclientsandgamers");
 295     };
 296     // Initialize connection
 297     this.connexionString =
 298       params.socketUrl +
 299       "/?sid=" +
 300       this.st.user.sid +
 301       "&id=" +
 302       this.st.user.id +
 303       "&tmpId=" +
 304       getRandString() +
 305       "&page=" +
 306       // Hall: path is "/" (could be hard-coded as well)
 307       encodeURIComponent(this.$route.path);
 308     this.conn = new WebSocket(this.connexionString);
 309     this.conn.onopen = connectAndPoll;
 310     this.conn.onmessage = this.socketMessageListener;
 311     this.conn.onclose = this.socketCloseListener;
 312   },
 313   mounted: function() {
 314     document.addEventListener('visibilitychange', this.visibilityChange);
 315     ["peopleWrap", "infoDiv", "newgameDiv"].forEach(eltName => {
 316       document.getElementById(eltName)
 317         .addEventListener("click", processModalClick);
 318     });
 319     document.querySelectorAll("#predefinedCadences > button").forEach(b => {
 320       b.addEventListener("click", () => {
 321         this.newchallenge.cadence = b.innerHTML;
 322       });
 323     });
 324     const dispCorr = this.$route.query["disp"];
 325     const showCtype =
 326       dispCorr || localStorage.getItem("type-challenges") || "live";
 327     const showGtype =
 328       dispCorr || localStorage.getItem("type-games") || "live";
 329     this.setDisplay('c', showCtype);
 330     this.setDisplay('g', showGtype);
 331     // Ask server for current corr games (all but mines)
 332     ajax(
 333       "/observedgames",
 334       "GET",
 335       {
 336         data: {
 337           uid: this.st.user.id,
 338           cursor: this.cursor
 339         },
 340         success: (response) => {
 341           const L = response.games.length;
 342           if (L > 0) {
 343             this.cursor = response.games[L - 1].created;
 344             if (this.games.length == 0 && this.gdisplay == "live") {
 345               document
 346                 .getElementById("btnGcorr")
 347                 .classList.add("somethingnew");
 348             }
 349           }
 350           this.games = this.games.concat(
 351             response.games.map(g => {
 352               const vname = this.getVname(g.vid);
 353               return Object.assign(
 354                 {},
 355                 g,
 356                 {
 357                   type: "corr",
 358                   vname: vname
 359                 }
 360               );
 361             })
 362           );
 363         }
 364       }
 365     );
 366     // Also ask for corr challenges (open + sent by/to me)
 367     ajax(
 368       "/challenges",
 369       "GET",
 370       {
 371         data: { uid: this.st.user.id },
 372         success: (response) => {
 373           if (
 374             response.challenges.length > 0 &&
 375             this.challenges.length == 0 &&
 376             this.cdisplay == "live"
 377           ) {
 378             document
 379               .getElementById("btnCcorr")
 380               .classList.add("somethingnew");
 381           }
 382           // Gather all senders names, and then retrieve full identity:
 383           // (TODO [perf]: some might be online...)
 384           let names = {};
 385           response.challenges.forEach(c => {
 386             if (c.uid != this.st.user.id) names[c.uid] = "";
 387             else if (!!c.target && c.target != this.st.user.id)
 388               names[c.target] = "";
 389           });
 390           const addChallenges = () => {
 391             names[this.st.user.id] = this.st.user.name; //in case of
 392             this.challenges = this.challenges.concat(
 393               response.challenges.map(c => {
 394                 const from = { name: names[c.uid], id: c.uid }; //or just name
 395                 const type = this.classifyObject(c);
 396                 const vname = this.getVname(c.vid);
 397                 return Object.assign(
 398                   {},
 399                   {
 400                     type: type,
 401                     vname: vname,
 402                     from: from,
 403                     to: c.target ? names[c.target] : ""
 404                   },
 405                   c
 406                 );
 407               })
 408             );
 409           };
 410           if (Object.keys(names).length > 0) {
 411             ajax(
 412               "/users",
 413               "GET",
 414               {
 415                 data: { ids: Object.keys(names).join(",") },
 416                 success: (response2) => {
 417                   response2.users.forEach(u => {
 418                     names[u.id] = u.name;
 419                   });
 420                   addChallenges();
 421                 }
 422               }
 423             );
 424           } else addChallenges();
 425         }
 426       }
 427     );
 428   },
 429   beforeDestroy: function() {
 430     document.removeEventListener('visibilitychange', this.visibilityChange);
 431     this.send("disconnect");
 432   },
 433   methods: {
 434     getRandomnessClass: function(pc) {
 435       return {
 436         ["random-" + pc.randomness]: true
 437       };
 438     },
 439     visibilityChange: function() {
 440       // TODO: Use document.hidden? https://webplatform.news/issues/2019-03-27
 441       this.send(
 442         document.visibilityState == "visible"
 443           ? "getfocus"
 444           : "losefocus"
 445       );
 446     },
 447     partialResetNewchallenge: function() {
 448       // Reset potential target and custom FEN:
 449       this.newchallenge.to = "";
 450       this.newchallenge.fen = "";
 451       this.newchallenge.diag = "";
 452       this.newchallenge.memorize = false;
 453     },
 454     showNewchallengeForm: function() {
 455       this.partialResetNewchallenge();
 456       window.doClick("modalNewgame");
 457     },
 458     addPresetChall: function(chall) {
 459       // Add only if not already existing:
 460       if (this.presetChalls.some(c =>
 461         c.vid == chall.vid &&
 462         c.cadence == chall.cadence &&
 463         c.randomness == chall.randomness
 464       )) {
 465         return;
 466       }
 467       const L = this.presetChalls.length;
 468       this.presetChalls.push({
 469         index: L,
 470         vid: chall.vid,
 471         vname: chall.vname, //redundant, but easier
 472         cadence: chall.cadence,
 473         randomness: chall.randomness
 474       });
 475       localStorage.setItem("presetChalls", JSON.stringify(this.presetChalls));
 476     },
 477     removePresetChall: function(e, pchall) {
 478       e.stopPropagation();
 479       const pchallIdx = this.presetChalls.findIndex(pc => pc.index == pchall.index);
 480       this.presetChalls.splice(pchallIdx, 1);
 481       localStorage.setItem("presetChalls", JSON.stringify(this.presetChalls));
 482     },
 483     tchallButtonsMargin: function() {
 484       if (!!this.curChallToAccept.fen) return { "margin-top": "10px" };
 485       return {};
 486     },
 487     cadenceFocusIfOpened: function() {
 488       if (event.target.checked)
 489         document.getElementById("cadence").focus();
 490     },
 491     send: function(code, obj) {
 492       if (!!this.conn) {
 493         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 494       }
 495     },
 496     getVname: function(vid) {
 497       const variant = this.st.variants.find(v => v.id == vid);
 498       // this.st.variants might be uninitialized (variant == null)
 499       return variant ? variant.name : "";
 500     },
 501     filterChallenges: function(type) {
 502       return this.challenges.filter(c => c.type == type);
 503     },
 504     filterGames: function(type) {
 505       return this.games.filter(g => g.type == type);
 506     },
 507     classifyObject: function(o) {
 508       // o: challenge or game
 509       return o.cadence.indexOf("d") === -1 ? "live" : "corr";
 510     },
 511     setDisplay: function(letter, type, e) {
 512       this[letter + "display"] = type;
 513       localStorage.setItem(
 514         "type-" + (letter == "c" ? "challenges" : "games"),
 515         type
 516       );
 517       let elt = e
 518         ? e.target
 519         : document.getElementById("btn" + letter.toUpperCase() + type);
 520       elt.classList.add("active");
 521       elt.classList.remove("somethingnew"); //in case of
 522       if (!!elt.previousElementSibling)
 523         elt.previousElementSibling.classList.remove("active");
 524       else elt.nextElementSibling.classList.remove("active");
 525     },
 526     isGamer: function(sid) {
 527       return this.people[sid].pages
 528         .some(p => p.focus && p.path.indexOf("/game/") >= 0);
 529     },
 530     isFocusedOnHall: function(sid) {
 531       return (
 532         // This is meant to challenge people, thus the next 2 conditions:
 533         this.st.user.id > 0 &&
 534         sid != this.st.user.sid &&
 535         this.people[sid].pages.some(p => p.path == "/" && p.focus)
 536       );
 537     },
 538     challenge: function(sid) {
 539       this.partialResetNewchallenge();
 540       // Available, in Hall
 541       this.newchallenge.to = this.people[sid].name;
 542       // TODO: also store target sid to not re-search for it
 543       document.getElementById("modalPeople").checked = false;
 544       window.doClick("modalNewgame");
 545     },
 546     watchGame: function(sid) {
 547       // In some game, maybe playing maybe not: show a random one
 548       let gids = [];
 549       this.people[sid].pages.forEach(p => {
 550         if (p.focus) {
 551           const matchGid = p.path.match(/[a-zA-Z0-9]+$/);
 552           if (!!matchGid) gids.push(matchGid[0]);
 553         }
 554       });
 555       const gid = gids[Math.floor(Math.random() * gids.length)];
 556       const game = this.games.find(g => g.id == gid);
 557       if (!!game) this.showGame(game);
 558       else this.$router.push("/game/" + gid); //game vs. me
 559     },
 560     showGame: function(g) {
 561       // NOTE: we are an observer, since only games I don't play are shown here
 562       // ==> Moves sent by connected remote player(s) if live game
 563       let url = "/game/" + g.id;
 564       if (g.type == "live")
 565         url += "?rid=" + g.rids[Math.floor(Math.random() * g.rids.length)];
 566       this.$router.push(url);
 567     },
 568     resetSocialColor: function() {
 569       // TODO: this is called twice, once on opening an once on closing
 570       document.getElementById("peopleBtn").classList.remove("somethingnew");
 571     },
 572     processChat: function(chat) {
 573       this.send("newchat", { data: chat });
 574     },
 575     getOppsid: function(c) {
 576       let oppsid = c.from.sid; //may not be defined if corr + offline opp
 577       if (!oppsid) {
 578         oppsid = Object.keys(this.people).find(
 579           sid => this.people[sid].id == c.from.id
 580         );
 581       }
 582       return oppsid;
 583     },
 584     // Messaging center:
 585     socketMessageListener: function(msg) {
 586       if (!this.conn) return;
 587       const data = JSON.parse(msg.data);
 588       switch (data.code) {
 589         case "pollclientsandgamers": {
 590           // Since people can be both in Hall and Game,
 591           // need to track "askIdentity" requests:
 592           let identityAsked = {};
 593           data.sockIds.forEach(s => {
 594             const page = s.page || "/";
 595             if (s.sid != this.st.user.sid && !identityAsked[s.sid]) {
 596               this.send("askidentity", { target: s.sid, page: page });
 597               identityAsked[s.sid] = true;
 598             }
 599             if (!this.people[s.sid]) {
 600               // Do not set name or id: identity unknown yet
 601               this.people[s.sid] = { pages: [{path: page, focus: true}] };
 602             }
 603             else if (!(this.people[s.sid].pages.find(p => p.path == page)))
 604               this.people[s.sid].pages.push({ path: page, focus: true });
 605             if (!s.page)
 606               // Peer is in Hall
 607               this.send("askchallenges", { target: s.sid });
 608             // Peer is in Game: ask only if live game
 609             else if (!page.match(/\/[0-9]+$/))
 610               this.send("askgame", { target: s.sid, page: page });
 611           });
 612           break;
 613         }
 614         case "connect":
 615         case "gconnect": {
 616           const page = data.page || "/";
 617           // Only ask game / challenges if first connexion:
 618           if (!this.people[data.from]) {
 619             this.people[data.from] = { pages: [{ path: page, focus: true }] };
 620             if (data.code == "connect")
 621               this.send("askchallenges", { target: data.from });
 622             // Ask game only if live:
 623             else if (!page.match(/\/[0-9]+$/))
 624               this.send("askgame", { target: data.from, page: page });
 625           } else {
 626             // Append page if not already in list
 627             if (!(this.people[data.from].pages.find(p => p.path == page)))
 628               this.people[data.from].pages.push({ path: page, focus: true });
 629           }
 630           if (!this.people[data.from].name && this.people[data.from].id !== 0) {
 631             // Identity not known yet
 632             this.newConnect[data.from] = true; //for self multi-connects tests
 633             this.send("askidentity", { target: data.from, page: page });
 634           }
 635           break;
 636         }
 637         case "disconnect":
 638         case "gdisconnect": {
 639           // If the user reloads the page twice very quickly (experienced with Firefox),
 640           // the first reload won't have time to connect but will trigger a "close" event anyway.
 641           // ==> Next check is required.
 642           if (!this.people[data.from]) return;
 643           // Disconnect means no more tmpIds:
 644           if (data.code == "disconnect") {
 645             // Remove the live challenges sent by this player:
 646             ArrayFun.remove(
 647               this.challenges,
 648               c => c.type == "live" && c.from.sid == data.from,
 649               "all"
 650             );
 651           } else {
 652             // Remove the matching live game if now unreachable
 653             const gid = data.page.match(/[a-zA-Z0-9]+$/)[0];
 654             // Corr games are always reachable:
 655             if (!gid.match(/^[0-9]+$/)) {
 656               const gidx = this.games.findIndex(g => g.id == gid);
 657               // NOTE: gidx should always be >= 0 (TODO?)
 658               if (gidx >= 0) {
 659                 const game = this.games[gidx];
 660                 ArrayFun.remove(game.rids, rid => rid == data.from);
 661                 if (game.rids.length == 0) this.games.splice(gidx, 1);
 662               }
 663             }
 664           }
 665           const page = data.page || "/";
 666           ArrayFun.remove(this.people[data.from].pages, p => p.path == page);
 667           if (this.people[data.from].pages.length == 0)
 668             this.$delete(this.people, data.from);
 669           break;
 670         }
 671         case "getfocus":
 672           // If user reload a page, focus may arrive earlier than connect
 673           if (!!this.people[data.from]) {
 674             this.people[data.from].pages
 675               .find(p => p.path == data.page).focus = true;
 676             this.$forceUpdate(); //TODO: shouldn't be required
 677           }
 678           break;
 679         case "losefocus":
 680           if (!!this.people[data.from]) {
 681             this.people[data.from].pages
 682               .find(p => p.path == data.page).focus = false;
 683             this.$forceUpdate(); //TODO: shouldn't be required
 684           }
 685           break;
 686         case "killed":
 687           // I logged in elsewhere:
 688           this.conn = null;
 689           alert(this.st.tr["New connexion detected: tab now offline"]);
 690           break;
 691         case "askidentity": {
 692           // Request for identification
 693           const me = {
 694             // Decompose to avoid revealing email
 695             name: this.st.user.name,
 696             sid: this.st.user.sid,
 697             id: this.st.user.id
 698           };
 699           this.send("identity", { data: me, target: data.from });
 700           break;
 701         }
 702         case "identity": {
 703           const user = data.data;
 704           let player = this.people[user.sid];
 705           // player.pages is already set
 706           player.id = user.id;
 707           player.name = user.name;
 708           // TODO: this.$set(people, ...) fails. So forceUpdate.
 709           //       But this shouldn't be like that!
 710           this.$forceUpdate();
 711           // If I multi-connect, kill current connexion if no mark (I'm older)
 712           if (this.newConnect[user.sid]) {
 713             if (
 714               user.id > 0 &&
 715               user.id == this.st.user.id &&
 716               user.sid != this.st.user.sid &&
 717               !this.killed[this.st.user.sid]
 718             ) {
 719                 this.send("killme", { sid: this.st.user.sid });
 720                 this.killed[this.st.user.sid] = true;
 721             }
 722             delete this.newConnect[user.sid];
 723           }
 724           break;
 725         }
 726         case "askchallenges": {
 727           // Send my current live challenges (if any)
 728           const myChallenges = this.challenges
 729             .filter(c =>
 730               c.from.sid == this.st.user.sid && c.type == "live"
 731             )
 732             .map(c => {
 733               // NOTE: in principle, should only send targeted challenge to the target.
 734               // But we may not know yet the identity of the target (just name),
 735               // so cannot decide if data.from is the target or not.
 736               return {
 737                 id: c.id,
 738                 from: this.st.user.sid,
 739                 to: c.to,
 740                 randomness: c.randomness,
 741                 fen: c.fen,
 742                 vid: c.vid,
 743                 cadence: c.cadence,
 744                 added: c.added
 745               };
 746             });
 747           if (myChallenges.length > 0)
 748             this.send("challenges", { data: myChallenges, target: data.from });
 749           break;
 750         }
 751         case "challenges": //after "askchallenges"
 752           data.data.forEach(this.addChallenge);
 753           break;
 754         case "newchallenge":
 755           this.addChallenge(data.data);
 756           break;
 757         case "refusechallenge": {
 758           const cid = data.data;
 759           ArrayFun.remove(this.challenges, c => c.id == cid);
 760           alert(this.st.tr["Challenge declined"]);
 761           break;
 762         }
 763         case "deletechallenge_s": {
 764           // NOTE: the challenge(s) may be already removed
 765           const cref = data.data;
 766           if (!!cref.cid) ArrayFun.remove(this.challenges, c => c.id == cref.cid);
 767           else if (!!cref.sids) {
 768             cref.sids.forEach(s => {
 769               ArrayFun.remove(
 770                 this.challenges,
 771                 c => c.type == "live" && c.from.sid == s,
 772                 "all"
 773               );
 774             });
 775           }
 776           break;
 777         }
 778         case "game": // Individual request
 779         case "newgame": {
 780           const game = data.data;
 781           // Ignore games where I play (will go in MyGames page)
 782           if (game.players.every(p =>
 783             p.sid != this.st.user.sid && p.id != this.st.user.id))
 784           {
 785             let locGame = this.games.find(g => g.id == game.id);
 786             if (!locGame) {
 787               let newGame = game;
 788               newGame.type = this.classifyObject(game);
 789               newGame.vname = this.getVname(game.vid);
 790               if (!game.score)
 791                 // New game from Hall
 792                 newGame.score = "*";
 793               newGame.rids = [game.rid];
 794               delete newGame["rid"];
 795               this.games.push(newGame);
 796               if (
 797                 (newGame.type == "live" && this.gdisplay == "corr") ||
 798                 (newGame.type == "corr" && this.gdisplay == "live")
 799               ) {
 800                 document
 801                   .getElementById("btnG" + newGame.type)
 802                   .classList.add("somethingnew");
 803               }
 804             } else {
 805               // Append rid (if not already in list)
 806               if (!locGame.rids.includes(game.rid)) locGame.rids.push(game.rid);
 807             }
 808           }
 809           break;
 810         }
 811         case "result": {
 812           let g = this.games.find(g => g.id == data.gid);
 813           if (!!g) g.score = data.score;
 814           break;
 815         }
 816         case "startgame": {
 817           // New game just started, I'm involved
 818           const gameInfo = data.data;
 819           if (this.classifyObject(gameInfo) == "live")
 820             this.startNewGame(gameInfo);
 821           else {
 822             this.infoMessage =
 823               this.st.tr["New correspondance game:"] +
 824               " <a href='#/game/" +
 825               gameInfo.id +
 826               "'>" +
 827               "#/game/" +
 828               gameInfo.id +
 829               "</a>";
 830             document.getElementById("modalInfo").checked = true;
 831           }
 832           break;
 833         }
 834         case "newchat":
 835           this.newChat = data.data;
 836           if (!document.getElementById("modalPeople").checked)
 837             document.getElementById("peopleBtn").classList.add("somethingnew");
 838           break;
 839       }
 840     },
 841     socketCloseListener: function() {
 842       if (!this.conn) return;
 843       this.conn = new WebSocket(this.connexionString);
 844       this.conn.addEventListener("message", this.socketMessageListener);
 845       this.conn.addEventListener("close", this.socketCloseListener);
 846     },
 847     loadMore: function() {
 848       ajax(
 849         "/observedgames",
 850         "GET",
 851         {
 852           data: {
 853             uid: this.st.user.id,
 854             cursor: this.cursor
 855           },
 856           success: (res) => {
 857             const L = res.games.length;
 858             if (L > 0) {
 859               this.cursor = res.games[L - 1].created;
 860               let moreGames = res.games.map(g => {
 861                 const vname = this.getVname(g.vid);
 862                 return Object.assign(
 863                   {},
 864                   g,
 865                   {
 866                     type: "corr",
 867                     vname: vname
 868                   }
 869                 );
 870               });
 871               this.games = this.games.concat(moreGames);
 872             } else this.hasMore = false;
 873           }
 874         }
 875       );
 876     },
 877     // Challenge lifecycle:
 878     addChallenge: function(chall) {
 879       // NOTE about next condition: see "askchallenges" case.
 880       if (
 881         !chall.to ||
 882         (this.people[chall.from].id > 0 &&
 883           (chall.from == this.st.user.sid || chall.to == this.st.user.name))
 884       ) {
 885         let newChall = Object.assign({}, chall);
 886         newChall.type = this.classifyObject(chall);
 887         newChall.randomness = chall.randomness;
 888         newChall.added = Date.now();
 889         let fromValues = Object.assign({}, this.people[chall.from]);
 890         delete fromValues["pages"]; //irrelevant in this context
 891         newChall.from = Object.assign({ sid: chall.from }, fromValues);
 892         newChall.vname = this.getVname(newChall.vid);
 893         this.challenges.push(newChall);
 894         if (
 895           (newChall.type == "live" && this.cdisplay == "corr") ||
 896           (newChall.type == "corr" && this.cdisplay == "live")
 897         ) {
 898           document
 899             .getElementById("btnC" + newChall.type)
 900             .classList.add("somethingnew");
 901         }
 902       }
 903     },
 904     loadNewchallVariant: async function(cb) {
 905       const vname = this.getVname(this.newchallenge.vid);
 906       const vModule = await import("@/variants/" + vname + ".js");
 907       this.newchallenge.V = vModule.VariantRules;
 908       this.newchallenge.vname = vname;
 909       if (!!cb) cb();
 910     },
 911     trySetNewchallDiag: function() {
 912       if (!this.newchallenge.fen) {
 913         this.newchallenge.diag = "";
 914         return;
 915       }
 916       // If vid > 0 then the variant is loaded (function above):
 917       window.V = this.newchallenge.V;
 918       if (
 919         this.newchallenge.vid > 0 &&
 920         !!this.newchallenge.fen &&
 921         V.IsGoodFen(this.newchallenge.fen)
 922       ) {
 923         const parsedFen = V.ParseFen(this.newchallenge.fen);
 924         this.newchallenge.diag = getDiagram({
 925           position: parsedFen.position,
 926           orientation: parsedFen.turn
 927         });
 928       }
 929     },
 930     newChallFromPreset(pchall) {
 931       this.partialResetNewchallenge();
 932       this.newchallenge.vid = pchall.vid;
 933       this.newchallenge.cadence = pchall.cadence;
 934       this.newchallenge.randomness = pchall.randomness;
 935       this.loadNewchallVariant(this.issueNewChallenge);
 936     },
 937     issueNewChallenge: async function() {
 938       if (!!(this.newchallenge.cadence.match(/^[0-9]+$/)))
 939         this.newchallenge.cadence += "+0"; //assume minutes, no increment
 940       const ctype = this.classifyObject(this.newchallenge);
 941       // TODO: cadence still unchecked so ctype could be wrong...
 942       let error = "";
 943       if (!this.newchallenge.vid)
 944         error = this.st.tr["Please select a variant"];
 945       else if (ctype == "corr" && this.st.user.id <= 0)
 946         error = this.st.tr["Please log in to play correspondance games"];
 947       else if (!!this.newchallenge.to) {
 948         if (this.newchallenge.to == this.st.user.name)
 949           error = this.st.tr["Self-challenge is forbidden"];
 950         else if (
 951           ctype == "live" &&
 952           Object.values(this.people).every(p => p.name != this.newchallenge.to)
 953         ) {
 954           error = this.newchallenge.to + " " + this.st.tr["is not online"];
 955         }
 956       }
 957       if (error) {
 958         alert(error);
 959         return;
 960       }
 961       window.V = this.newchallenge.V;
 962       error = checkChallenge(this.newchallenge);
 963       if (error) {
 964         alert(error);
 965         return;
 966       }
 967       // NOTE: "from" information is not required here
 968       let chall = Object.assign({}, this.newchallenge);
 969       // Add only if not already issued (not counting target or FEN):
 970       if (this.challenges.some(c =>
 971         (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id) &&
 972         c.vid == chall.vid &&
 973         c.cadence == chall.cadence &&
 974         c.randomness == chall.randomness
 975       )) {
 976         alert(this.st.tr["Challenge already exists"]);
 977         return;
 978       }
 979       if (this.newchallenge.memorize) this.addPresetChall(this.newchallenge);
 980       delete chall["V"];
 981       delete chall["diag"];
 982       const finishAddChallenge = cid => {
 983         chall.id = cid || "c" + getRandString();
 984         const MAX_ALLOWED_CHALLS = 3;
 985         // Remove oldest challenge if 3 found: only 3 at a time of a given type
 986         let countMyChalls = 0;
 987         let challToDelIdx = 0;
 988         let oldestAdded = Number.MAX_SAFE_INTEGER;
 989         for (let i=0; i<this.challenges.length; i++) {
 990           const c = this.challenges[i];
 991           if (
 992             c.type == ctype &&
 993             (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id)
 994           ) {
 995             countMyChalls++;
 996             if (c.added < oldestAdded) {
 997               challToDelIdx = i;
 998               oldestAdded = c.added;
 999             }
1000           }
1001         }
1002         if (countMyChalls >= MAX_ALLOWED_CHALLS) {
1003           this.send(
1004             "deletechallenge_s",
1005             { data: { cid: this.challenges[challToDelIdx].id } }
1006           );
1007           if (ctype == "corr") {
1008             ajax(
1009               "/challenges",
1010               "DELETE",
1011               { data: { id: this.challenges[challToDelIdx].id } }
1012             );
1013           }
1014           this.challenges.splice(challToDelIdx, 1);
1015         }
1016         this.send("newchallenge", {
1017           data: Object.assign({ from: this.st.user.sid }, chall)
1018         });
1019         // Add new challenge:
1020         chall.from = {
1021           sid: this.st.user.sid,
1022           id: this.st.user.id,
1023           name: this.st.user.name
1024         };
1025         chall.added = Date.now();
1026         // NOTE: vname and type are redundant (can be deduced from cadence + vid)
1027         chall.type = ctype;
1028         chall.vname = this.newchallenge.vname;
1029         this.challenges.push(chall);
1030         // Remember cadence  + vid for quicker further challenges:
1031         localStorage.setItem("cadence", chall.cadence);
1032         localStorage.setItem("vid", chall.vid);
1033         localStorage.setItem("challRandomness", chall.randomness);
1034         document.getElementById("modalNewgame").checked = false;
1035         // Show the challenge if not on current display
1036         if (
1037           (ctype == "live" && this.cdisplay == "corr") ||
1038           (ctype == "corr" && this.cdisplay == "live")
1039         ) {
1040           this.setDisplay('c', ctype);
1041         }
1042       };
1043       if (ctype == "live") {
1044         // Live challenges have a random ID
1045         finishAddChallenge(null);
1046       } else {
1047         // Correspondance game: send challenge to server
1048         ajax(
1049           "/challenges",
1050           "POST",
1051           {
1052             data: { chall: chall },
1053             success: (response) => {
1054               finishAddChallenge(response.id);
1055             }
1056           }
1057         );
1058       }
1059     },
1060     // Callback function after a diagram was showed to accept
1061     // or refuse targetted challenge:
1062     decisionChallenge: function(accepted) {
1063       this.curChallToAccept.accepted = accepted;
1064       this.finishProcessingChallenge(this.curChallToAccept);
1065       document.getElementById("modalAccept").checked = false;
1066     },
1067     finishProcessingChallenge: function(c) {
1068       if (c.accepted) {
1069         c.seat = {
1070           sid: this.st.user.sid,
1071           id: this.st.user.id,
1072           name: this.st.user.name
1073         };
1074         this.launchGame(c);
1075         if (c.type == "live")
1076           // Remove all live challenges of both players
1077           this.send("deletechallenge_s", { data: { sids: [c.from.sid, c.seat.sid] } });
1078         else
1079           // Corr challenge: just remove the challenge
1080           this.send("deletechallenge_s", { data: { cid: c.id } });
1081       } else {
1082         const oppsid = this.getOppsid(c);
1083         if (!!oppsid)
1084           this.send("refusechallenge", { data: c.id, target: oppsid });
1085         if (c.type == "corr") {
1086           ajax(
1087             "/challenges",
1088             "DELETE",
1089             { data: { id: c.id } }
1090           );
1091         }
1092         this.send("deletechallenge_s", { data: { cid: c.id } });
1093       }
1094     },
1095     // TODO: if several players click same challenge at the same time: problem
1096     clickChallenge: async function(c) {
1097       const myChallenge =
1098         c.from.sid == this.st.user.sid || //live
1099         (this.st.user.id > 0 && c.from.id == this.st.user.id); //corr
1100       if (!myChallenge) {
1101         if (c.type == "corr" && this.st.user.id <= 0) {
1102           alert(this.st.tr["Please log in to accept corr challenges"]);
1103           return;
1104         }
1105         c.accepted = true;
1106         const vModule = await import("@/variants/" + c.vname + ".js");
1107         window.V = vModule.VariantRules;
1108         if (!!c.to) {
1109           // c.to == this.st.user.name (connected)
1110           if (!!c.fen) {
1111             const parsedFen = V.ParseFen(c.fen);
1112             c.mycolor = V.GetOppCol(parsedFen.turn);
1113             this.tchallDiag = getDiagram({
1114               position: parsedFen.position,
1115               orientation: c.mycolor
1116             });
1117           }
1118           this.curChallToAccept = c;
1119           document.getElementById("modalAccept").checked = true;
1120         }
1121         else this.finishProcessingChallenge(c);
1122       }
1123       else {
1124         // My challenge
1125         if (c.type == "corr") {
1126           ajax(
1127             "/challenges",
1128             "DELETE",
1129             { data: { id: c.id } }
1130           );
1131         }
1132         this.send("deletechallenge_s", { data: { cid: c.id } });
1133       }
1134       // In all cases, the challenge is consumed:
1135       ArrayFun.remove(this.challenges, ch => ch.id == c.id);
1136     },
1137     // NOTE: when launching game, the challenge is already being deleted
1138     launchGame: function(c) {
1139       // White player index 0, black player index 1:
1140       const players =
1141         !!c.mycolor
1142           ? (c.mycolor == "w" ? [c.seat, c.from] : [c.from, c.seat])
1143           : shuffle([c.from, c.seat]);
1144       // These game informations will be shared
1145       let gameInfo = {
1146         id: getRandString(),
1147         fen: c.fen || V.GenRandInitFen(c.randomness),
1148         randomness: c.randomness, //for rematch
1149         players: players,
1150         vid: c.vid,
1151         cadence: c.cadence
1152       };
1153       const notifyNewgame = () => {
1154         const oppsid = this.getOppsid(c);
1155         if (!!oppsid)
1156           // Opponent is online
1157           this.send("startgame", { data: gameInfo, target: oppsid });
1158         // If new corr game, notify Hall (except opponent and me)
1159         if (c.type == "corr") {
1160           this.send(
1161             "newgame",
1162             {
1163               data: gameInfo,
1164               excluded: [this.st.user.sid, oppsid]
1165             }
1166           );
1167         }
1168         // Notify MyGames page:
1169         this.send(
1170           "notifynewgame",
1171           {
1172             data: gameInfo,
1173             targets: gameInfo.players
1174           }
1175         );
1176         // NOTE: no need to send the game to the room, since I'll connect
1177         // on game just after, the main Hall will be notified.
1178       };
1179       if (c.type == "live") {
1180         notifyNewgame();
1181         this.startNewGame(gameInfo);
1182       } else {
1183         // corr: game only on server
1184         ajax(
1185           "/games",
1186           "POST",
1187           {
1188             // cid is useful to delete the challenge:
1189             data: {
1190               gameInfo: gameInfo,
1191               cid: c.id
1192             },
1193             success: (response) => {
1194               gameInfo.id = response.id;
1195               notifyNewgame();
1196               this.$router.push("/game/" + response.id);
1197             }
1198           }
1199         );
1200       }
1201     },
1202     // NOTE: for live games only (corr games start on the server)
1203     startNewGame: function(gameInfo) {
1204       const game = Object.assign(
1205         {},
1206         gameInfo,
1207         {
1208           // (other) Game infos: constant
1209           fenStart: gameInfo.fen,
1210           vname: this.getVname(gameInfo.vid),
1211           created: Date.now(),
1212           // Game state (including FEN): will be updated
1213           moves: [],
1214           clocks: [-1, -1], //-1 = unstarted
1215           initime: [0, 0], //initialized later
1216           score: "*"
1217         }
1218       );
1219       setTimeout(
1220         () => {
1221           GameStorage.add(game, (err) => {
1222             // If an error occurred, game is not added: a tab already
1223             // added the game. Maybe a focused one, maybe not.
1224             // We know for sure that it emitted the gong start sound.
1225             // ==> Do not play it again.
1226             if (!err && this.st.settings.sound)
1227               new Audio("/sounds/newgame.flac").play().catch(() => {});
1228             this.$router.push("/game/" + gameInfo.id);
1229           });
1230         },
1231         document.hidden ? 500 + 1000 * Math.random() : 0
1232       );
1233     }
1234   }
1235 };
1236 </script>
1237
1238 <style lang="sass" scoped>
1239 .active
1240   color: #42a983
1241
1242 #infoDiv > .card
1243   padding: 15px 0
1244   max-width: 430px
1245
1246 #newgameDiv > .card, #acceptDiv > .card
1247   max-width: 767px
1248   max-height: 100%
1249
1250 div#peopleWrap > .card
1251   max-height: 100%
1252
1253 @media screen and (min-width: 1281px)
1254   div#peopleWrap > .card
1255     max-width: 66.67%
1256
1257 @media screen and (max-width: 1280px)
1258   div#peopleWrap > .card
1259     max-width: 83.33%
1260
1261 @media screen and (max-width: 767px)
1262   div#peopleWrap > .card
1263     max-width: 100%
1264
1265 #players
1266   width: 50%
1267   position: relative
1268   float: left
1269
1270 #chat
1271   width: 50%
1272   float: left
1273   position: relative
1274
1275 @media screen and (max-width: 767px)
1276   #players, #chats
1277     width: 100%
1278
1279 #chat > .card
1280   max-width: 100%
1281   margin: 0;
1282   border: none;
1283
1284 #players > p
1285   margin-left: 5px
1286
1287 .anonymous
1288   font-style: italic
1289
1290 button.player-action
1291   margin-left: 32px
1292
1293 .somethingnew
1294   background-color: #c5fefe !important
1295
1296 .tabbtn
1297   background-color: #f9faee
1298
1299 button.acceptBtn
1300   background-color: lightgreen
1301 button.refuseBtn
1302   background-color: red
1303
1304 #buttonsTchall
1305   // margin-top set dynamically (depends if diagram showed or not)
1306   & > button > span
1307     width: 100%
1308     text-align: center
1309
1310 .variantName
1311   font-weight: bold
1312
1313 .diagram
1314   margin: 0 auto
1315   max-width: 400px
1316   // width: 100% required for Firefox
1317   width: 100%
1318
1319 #inputFen
1320   width: 100%
1321
1322 #div2, #div3
1323   margin-top: 15px
1324 @media screen and (max-width: 767px)
1325   #div2, #div3
1326     margin-top: 0
1327
1328 tr > td
1329   &.random-0
1330     background-color: #FF5733
1331   &.random-1
1332     background-color: #2B63B4
1333   &.random-2
1334     background-color: #33B42B
1335
1336 @media screen and (max-width: 767px)
1337   h4
1338     margin: 5px 0
1339
1340 button#loadMoreBtn
1341   display: block
1342   margin: 0 auto
1343
1344 td.remove-preset
1345   background-color: lightgrey
1346   text-align: center
1347   & > img
1348     height: 1em
1349 </style>