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(
  77             v-model="newchallenge.to"
  78             @change="changeChallTarget()"
  79           )
  80             option(value="")
  81             option(
  82               v-for="p in Object.values(people)"
  83               v-if="!!p.name"
  84               :value="p.name"
  85             )
  86               | {{ p.name }}
  87           input#selectPlayers(
  88             type="text"
  89             v-model="newchallenge.to"
  90           )
  91         fieldset(v-if="st.user.id > 0 && newchallenge.to.length > 0")
  92           input#inputFen(
  93             placeholder="FEN"
  94             @input="trySetNewchallDiag()"
  95             type="text"
  96             v-model="newchallenge.fen"
  97           )
  98         .diagram(v-html="newchallenge.diag")
  99       button(@click="issueNewChallenge()") {{ st.tr["Send challenge"] }}
 100   input#modalPeople.modal(
 101     type="checkbox"
 102     @click="resetSocialColor()"
 103   )
 104   div#peopleWrap(
 105     role="dialog"
 106     data-checkbox="modalPeople"
 107   )
 108     .card
 109       label.modal-close(for="modalPeople")
 110       #people
 111         #players
 112           p(
 113             v-for="sid in Object.keys(people)"
 114             v-if="!!people[sid].name"
 115           )
 116             span {{ people[sid].name }}
 117             button.player-action(
 118               v-if="isGamer(sid)"
 119               @click="watchGame(sid)"
 120             )
 121               | {{ st.tr["Observe"] }}
 122             button.player-action(
 123               v-else-if="isFocusedOnHall(sid)"
 124               @click="challenge(sid)"
 125             )
 126               | {{ st.tr["Challenge"] }}
 127           p.anonymous @nonymous ({{ anonymousCount() }})
 128         #chat
 129           Chat(
 130             ref="chatcomp"
 131             @mychat="processChat"
 132             :pastChats="[]"
 133           )
 134         .clearer
 135   .row
 136     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
 137       .button-group
 138         button#peopleBtn(@click="openModalPeople()")
 139           | {{ st.tr["Who's there?"] }}
 140         button(@click="showNewchallengeForm()")
 141           | {{ st.tr["New game"] }}
 142   .row(v-if="presetChalls.length > 0")
 143     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
 144       h4.text-center {{ st.tr["Preset challenges"] }}
 145       table
 146         thead
 147           tr
 148             th {{ st.tr["Variant"] }}
 149             th {{ st.tr["Cadence"] }}
 150             th {{ st.tr["Random?"] }}
 151             th
 152         tbody
 153           tr(
 154             v-for="pc in presetChalls"
 155             @click="newChallFromPreset(pc)"
 156           )
 157             td {{ pc.vname }}
 158             td {{ pc.cadence }}
 159             td(:class="getRandomnessClass(pc)")
 160             td.remove-preset(@click="removePresetChall($event, pc)")
 161               img(src="/images/icons/delete.svg")
 162   .row
 163     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
 164       div#div2
 165         .button-group
 166           button.tabbtn#btnClive(@click="setDisplay('c','live',$event)")
 167             | {{ st.tr["Live challenges"] }}
 168           button.tabbtn#btnCcorr(@click="setDisplay('c','corr',$event)")
 169             | {{ st.tr["Correspondance challenges"] }}
 170         ChallengeList(
 171           v-show="cdisplay=='live'"
 172           :challenges="filterChallenges('live')"
 173           @click-challenge="clickChallenge"
 174         )
 175         ChallengeList(
 176           v-show="cdisplay=='corr'"
 177           :challenges="filterChallenges('corr')"
 178           @click-challenge="clickChallenge"
 179         )
 180       div#div3
 181         .button-group
 182           button.tabbtn#btnGlive(@click="setDisplay('g','live',$event)")
 183             | {{ st.tr["Live games"] }}
 184           button.tabbtn#btnGcorr(@click="setDisplay('g','corr',$event)")
 185             | {{ st.tr["Correspondance games"] }}
 186         GameList(
 187           v-show="gdisplay=='live'"
 188           :games="filterGames('live')"
 189           :showBoth="true"
 190           @show-game="showGame"
 191         )
 192         div(v-show="gdisplay=='corr'")
 193           GameList(
 194             :games="filterGames('corr')"
 195             :showBoth="true"
 196             @show-game="showGame"
 197           )
 198           button#loadMoreBtn(
 199             v-if="hasMore"
 200             @click="loadMoreCorr()"
 201           )
 202             | {{ st.tr["Load more"] }}
 203 </template>
 204
 205 <script>
 206 import { store } from "@/store";
 207 import { checkChallenge } from "@/data/challengeCheck";
 208 import { ArrayFun } from "@/utils/array";
 209 import { ajax } from "@/utils/ajax";
 210 import params from "@/parameters";
 211 import { getRandString, shuffle } from "@/utils/alea";
 212 import { getDiagram } from "@/utils/printDiagram";
 213 import Chat from "@/components/Chat.vue";
 214 import GameList from "@/components/GameList.vue";
 215 import ChallengeList from "@/components/ChallengeList.vue";
 216 import { GameStorage } from "@/utils/gameStorage";
 217 import { processModalClick } from "@/utils/modalClick";
 218 export default {
 219   name: "my-hall",
 220   components: {
 221     Chat,
 222     GameList,
 223     ChallengeList
 224   },
 225   data: function() {
 226     return {
 227       st: store.state,
 228       cdisplay: "live", //or corr
 229       gdisplay: "live",
 230       // timestamp of last showed (oldest) corr game:
 231       cursor: Number.MAX_SAFE_INTEGER,
 232       // hasMore == TRUE: a priori there could be more games to load
 233       hasMore: true,
 234       games: [],
 235       challenges: [],
 236       people: {},
 237       infoMessage: "",
 238       newchallenge: {
 239         fen: "",
 240         vid: parseInt(localStorage.getItem("vid")) || 0,
 241         to: "", //name of challenged player (if any)
 242         cadence: localStorage.getItem("cadence") || "",
 243         randomness: parseInt(localStorage.getItem("challRandomness")) || 2,
 244         // VariantRules object, stored to not interfere with
 245         // diagrams of targetted challenges:
 246         V: null,
 247         vname: "",
 248         diag: "", //visualizing FEN
 249         memorize: false //put settings in localStorage
 250       },
 251       tchallDiag: "",
 252       curChallToAccept: {from: {}},
 253       presetChalls: JSON.parse(localStorage.getItem("presetChalls") || "[]"),
 254       conn: null,
 255       connexionString: "",
 256       // Related to (killing of) self multi-connects:
 257       newConnect: {},
 258       killed: {}
 259     };
 260   },
 261   watch: {
 262     // st.variants changes only once, at loading from [] to [...]
 263     "st.variants": function() {
 264       // Set potential challenges and games variant names:
 265       this.challenges.concat(this.games).forEach(o => {
 266         if (!o.vname) o.vname = this.getVname(o.vid);
 267       });
 268       if (!this.newchallenge.V && this.newchallenge.vid > 0)
 269         this.loadNewchallVariant();
 270     },
 271     $route: function(to, from) {
 272       if (to.path != "/") this.cleanBeforeDestroy();
 273     }
 274   },
 275   created: function() {
 276     document.addEventListener('visibilitychange', this.visibilityChange);
 277     window.addEventListener("beforeunload", this.cleanBeforeDestroy);
 278     if (this.st.variants.length > 0 && this.newchallenge.vid > 0)
 279       this.loadNewchallVariant();
 280     const my = this.st.user;
 281     this.$set(
 282       this.people,
 283       my.sid,
 284       {
 285         id: my.id,
 286         name: my.name,
 287         pages: [{ path: "/", focus: true }]
 288       }
 289     );
 290     const connectAndPoll = () => {
 291       this.send("connect");
 292       this.send("pollclientsandgamers");
 293     };
 294     // Initialize connection
 295     this.connexionString =
 296       params.socketUrl +
 297       "/?sid=" +
 298       this.st.user.sid +
 299       "&id=" +
 300       this.st.user.id +
 301       "&tmpId=" +
 302       getRandString() +
 303       "&page=" +
 304       // Hall: path is "/" (could be hard-coded as well)
 305       encodeURIComponent(this.$route.path);
 306     this.conn = new WebSocket(this.connexionString);
 307     this.conn.onopen = connectAndPoll;
 308     this.conn.addEventListener("message", this.socketMessageListener);
 309     this.conn.addEventListener("close", this.socketCloseListener);
 310   },
 311   mounted: function() {
 312     ["peopleWrap", "infoDiv", "newgameDiv"].forEach(eltName => {
 313       document.getElementById(eltName)
 314         .addEventListener("click", processModalClick);
 315     });
 316     document.querySelectorAll("#predefinedCadences > button").forEach(b => {
 317       b.addEventListener("click", () => {
 318         this.newchallenge.cadence = b.innerHTML;
 319       });
 320     });
 321     const dispCorr = this.$route.query["disp"];
 322     const showCtype =
 323       dispCorr || localStorage.getItem("type-challenges") || "live";
 324     const showGtype =
 325       dispCorr || localStorage.getItem("type-games") || "live";
 326     this.setDisplay('c', showCtype);
 327     this.setDisplay('g', showGtype);
 328     // Ask server for current corr games (all but mines)
 329     this.loadMoreCorr();
 330     // Also ask for corr challenges (open + sent by/to me)
 331     // List them all, because they are not supposed to be that many (TODO?)
 332     ajax(
 333       "/challenges",
 334       "GET",
 335       {
 336         data: { uid: this.st.user.id },
 337         success: (response) => {
 338           if (
 339             response.challenges.length > 0 &&
 340             this.challenges.length == 0 &&
 341             this.cdisplay == "live"
 342           ) {
 343             document
 344               .getElementById("btnCcorr")
 345               .classList.add("somethingnew");
 346           }
 347           // Gather all senders names, and then retrieve full identity:
 348           // (TODO [perf]: some might be online...)
 349           let names = {};
 350           response.challenges.forEach(c => {
 351             if (c.uid != this.st.user.id) names[c.uid] = "";
 352             else if (!!c.target && c.target != this.st.user.id)
 353               names[c.target] = "";
 354           });
 355           const addChallenges = () => {
 356             names[this.st.user.id] = this.st.user.name; //in case of
 357             this.challenges = this.challenges.concat(
 358               response.challenges.map(c => {
 359                 const from = { name: names[c.uid], id: c.uid }; //or just name
 360                 const type = this.classifyObject(c);
 361                 const vname = this.getVname(c.vid);
 362                 return Object.assign(
 363                   {},
 364                   {
 365                     type: type,
 366                     vname: vname,
 367                     from: from,
 368                     to: c.target ? names[c.target] : ""
 369                   },
 370                   c
 371                 );
 372               })
 373             );
 374           };
 375           if (Object.keys(names).length > 0) {
 376             ajax(
 377               "/users",
 378               "GET",
 379               {
 380                 data: { ids: Object.keys(names).join(",") },
 381                 success: (response2) => {
 382                   response2.users.forEach(u => {
 383                     names[u.id] = u.name;
 384                   });
 385                   addChallenges();
 386                 }
 387               }
 388             );
 389           } else addChallenges();
 390         }
 391       }
 392     );
 393   },
 394   beforeDestroy: function() {
 395     this.cleanBeforeDestroy();
 396   },
 397   methods: {
 398     cleanBeforeDestroy: function() {
 399       document.removeEventListener('visibilitychange', this.visibilityChange);
 400       window.removeEventListener("beforeunload", this.cleanBeforeDestroy);
 401       this.conn.removeEventListener("message", this.socketMessageListener);
 402       this.conn.removeEventListener("close", this.socketCloseListener);
 403       this.send("disconnect");
 404       this.conn = null;
 405     },
 406     getRandomnessClass: function(pc) {
 407       return {
 408         ["random-" + pc.randomness]: true
 409       };
 410     },
 411     openModalPeople: function() {
 412       window.doClick("modalPeople");
 413       document.getElementById("inputChat").focus();
 414     },
 415     anonymousCount: function() {
 416       let count = 0;
 417       Object.values(this.people).forEach(p => {
 418         // Do not cound people who did not send their identity yet:
 419         count += (!p.name && p.id === 0) ? 1 : 0;
 420       });
 421       return count;
 422     },
 423     visibilityChange: function() {
 424       // TODO: Use document.hidden? https://webplatform.news/issues/2019-03-27
 425       this.send(
 426         document.visibilityState == "visible"
 427           ? "getfocus"
 428           : "losefocus"
 429       );
 430     },
 431     partialResetNewchallenge: function() {
 432       // Reset potential target and custom FEN:
 433       this.newchallenge.to = "";
 434       this.newchallenge.fen = "";
 435       this.newchallenge.diag = "";
 436       this.newchallenge.memorize = false;
 437     },
 438     showNewchallengeForm: function() {
 439       this.partialResetNewchallenge();
 440       window.doClick("modalNewgame");
 441     },
 442     addPresetChall: function(chall) {
 443       // Add only if not already existing:
 444       if (this.presetChalls.some(c =>
 445         c.vid == chall.vid &&
 446         c.cadence == chall.cadence &&
 447         c.randomness == chall.randomness
 448       )) {
 449         return;
 450       }
 451       const L = this.presetChalls.length;
 452       this.presetChalls.push({
 453         index: L,
 454         vid: chall.vid,
 455         vname: chall.vname, //redundant, but easier
 456         cadence: chall.cadence,
 457         randomness: chall.randomness
 458       });
 459       localStorage.setItem("presetChalls", JSON.stringify(this.presetChalls));
 460     },
 461     removePresetChall: function(e, pchall) {
 462       e.stopPropagation();
 463       const pchallIdx = this.presetChalls.findIndex(pc => pc.index == pchall.index);
 464       this.presetChalls.splice(pchallIdx, 1);
 465       localStorage.setItem("presetChalls", JSON.stringify(this.presetChalls));
 466     },
 467     tchallButtonsMargin: function() {
 468       if (!!this.curChallToAccept.fen) return { "margin-top": "10px" };
 469       return {};
 470     },
 471     changeChallTarget: function() {
 472       if (!this.newchallenge.to) {
 473         // Reset potential FEN + diagram
 474         this.newchallenge.fen = "";
 475         this.newchallenge.diag = "";
 476       }
 477     },
 478     cadenceFocusIfOpened: function() {
 479       if (event.target.checked)
 480         document.getElementById("cadence").focus();
 481     },
 482     send: function(code, obj) {
 483       if (!!this.conn) {
 484         this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
 485       }
 486     },
 487     getVname: function(vid) {
 488       const variant = this.st.variants.find(v => v.id == vid);
 489       // this.st.variants might be uninitialized (variant == null)
 490       return variant ? variant.name : "";
 491     },
 492     filterChallenges: function(type) {
 493       return this.challenges.filter(c => c.type == type);
 494     },
 495     filterGames: function(type) {
 496       return this.games.filter(g => g.type == type);
 497     },
 498     classifyObject: function(o) {
 499       // o: challenge or game
 500       return o.cadence.indexOf("d") === -1 ? "live" : "corr";
 501     },
 502     setDisplay: function(letter, type, e) {
 503       this[letter + "display"] = type;
 504       localStorage.setItem(
 505         "type-" + (letter == "c" ? "challenges" : "games"),
 506         type
 507       );
 508       let elt = e
 509         ? e.target
 510         : document.getElementById("btn" + letter.toUpperCase() + type);
 511       elt.classList.add("active");
 512       elt.classList.remove("somethingnew"); //in case of
 513       if (!!elt.previousElementSibling)
 514         elt.previousElementSibling.classList.remove("active");
 515       else elt.nextElementSibling.classList.remove("active");
 516     },
 517     isGamer: function(sid) {
 518       return this.people[sid].pages
 519         .some(p => p.focus && p.path.indexOf("/game/") >= 0);
 520     },
 521     isFocusedOnHall: function(sid) {
 522       return (
 523         // This is meant to challenge people, thus the next 2 conditions:
 524         this.st.user.id > 0 &&
 525         sid != this.st.user.sid &&
 526         this.people[sid].pages.some(p => p.path == "/" && p.focus)
 527       );
 528     },
 529     challenge: function(sid) {
 530       this.partialResetNewchallenge();
 531       // Available, in Hall
 532       this.newchallenge.to = this.people[sid].name;
 533       // TODO: also store target sid to not re-search for it
 534       document.getElementById("modalPeople").checked = false;
 535       window.doClick("modalNewgame");
 536     },
 537     watchGame: function(sid) {
 538       // In some game, maybe playing maybe not: show a random one
 539       let gids = [];
 540       this.people[sid].pages.forEach(p => {
 541         if (p.focus) {
 542           const matchGid = p.path.match(/[a-zA-Z0-9]+$/);
 543           if (!!matchGid) gids.push(matchGid[0]);
 544         }
 545       });
 546       const gid = gids[Math.floor(Math.random() * gids.length)];
 547       const game = this.games.find(g => g.id == gid);
 548       if (!!game) this.showGame(game);
 549       else this.$router.push("/game/" + gid); //game vs. me
 550     },
 551     showGame: function(g) {
 552       // NOTE: we are an observer, since only games I don't play are shown here
 553       // ==> Moves sent by connected remote player(s) if live game
 554       this.$router.push("/game/" + g.id);
 555     },
 556     resetSocialColor: function() {
 557       // TODO: this is called twice, once on opening an once on closing
 558       document.getElementById("peopleBtn").classList.remove("somethingnew");
 559     },
 560     processChat: function(chat) {
 561       this.send("newchat", { data: chat });
 562     },
 563     getOppsid: function(c) {
 564       let oppsid = c.from.sid; //may not be defined if corr + offline opp
 565       if (!oppsid) {
 566         oppsid = Object.keys(this.people).find(
 567           sid => this.people[sid].id == c.from.id
 568         );
 569       }
 570       return oppsid;
 571     },
 572     // Messaging center:
 573     socketMessageListener: function(msg) {
 574       if (!this.conn) return;
 575       const data = JSON.parse(msg.data);
 576       switch (data.code) {
 577         case "pollclientsandgamers": {
 578           // Since people can be both in Hall and Game,
 579           // need to track "askIdentity" requests:
 580           let identityAsked = {};
 581           // TODO: shuffling and random filtering on server, if
 582           // the room is really crowded.
 583           data.sockIds.forEach(s => {
 584             const page = s.page || "/";
 585             if (s.sid != this.st.user.sid && !identityAsked[s.sid]) {
 586               this.send("askidentity", { target: s.sid, page: page });
 587               identityAsked[s.sid] = true;
 588             }
 589             if (!this.people[s.sid]) {
 590               // Do not set name or id: identity unknown yet
 591               this.people[s.sid] = { pages: [{path: page, focus: true}] };
 592             }
 593             else if (!(this.people[s.sid].pages.find(p => p.path == page)))
 594               this.people[s.sid].pages.push({ path: page, focus: true });
 595             if (!s.page)
 596               // Peer is in Hall
 597               this.send("askchallenges", { target: s.sid });
 598             // Peer is in Game: ask only if live game
 599             else if (!page.match(/\/[0-9]+$/))
 600               this.send("askgame", { target: s.sid, page: page });
 601           });
 602           break;
 603         }
 604         case "connect":
 605         case "gconnect": {
 606           const page = data.page || "/";
 607           if (data.code == "connect") {
 608             // Ask challenges only on first connexion:
 609             if (!this.people[data.from])
 610               this.send("askchallenges", { target: data.from });
 611           }
 612           // Ask game only if live:
 613           else if (!page.match(/\/[0-9]+$/))
 614             this.send("askgame", { target: data.from, page: page });
 615           if (!this.people[data.from])
 616             this.people[data.from] = { pages: [{ path: page, focus: true }] };
 617           else {
 618             // Append page if not already in list
 619             let ppage = this.people[data.from].pages.find(p => p.path == page);
 620             if (!ppage)
 621               this.people[data.from].pages.push({ path: page, focus: true });
 622             else ppage.focus = true;
 623             this.$forceUpdate(); //TODO: shouldn't be required
 624           }
 625           if (!this.people[data.from].name && this.people[data.from].id !== 0) {
 626             // Identity not known yet
 627             this.newConnect[data.from] = true; //for self multi-connects tests
 628             this.send("askidentity", { target: data.from, page: page });
 629           }
 630           break;
 631         }
 632         case "disconnect":
 633         case "gdisconnect": {
 634           // If the user reloads the page twice very quickly (experienced with Firefox),
 635           // the first reload won't have time to connect but will trigger a "close" event anyway.
 636           // ==> Next check is required.
 637           if (!this.people[data.from]) return;
 638           const page = data.page || "/";
 639           ArrayFun.remove(this.people[data.from].pages, p => p.path == page);
 640           if (this.people[data.from].pages.length == 0)
 641             this.$delete(this.people, data.from);
 642           else this.$forceUpdate(); //TODO: shouldn't be required
 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 = page.match(/[a-zA-Z0-9]+$/)[0];
 654             // Corr games are always reachable:
 655             if (!gid.match(/^[0-9]+$/)) {
 656               // Live games are reachable as long as someone is on the game page
 657               if (Object.values(this.people).every(p =>
 658                 p.pages.every(pg => pg.path != page))) {
 659                 ArrayFun.remove(this.games, g => g.id == gid);
 660               }
 661             }
 662           }
 663           break;
 664         }
 665         case "getfocus":
 666           // If user reload a page, focus may arrive earlier than connect
 667           if (!!this.people[data.from]) {
 668             this.people[data.from].pages
 669               .find(p => p.path == data.page).focus = true;
 670             this.$forceUpdate(); //TODO: shouldn't be required
 671           }
 672           break;
 673         case "losefocus":
 674           if (!!this.people[data.from]) {
 675             this.people[data.from].pages
 676               .find(p => p.path == data.page).focus = false;
 677             this.$forceUpdate(); //TODO: shouldn't be required
 678           }
 679           break;
 680         case "killed":
 681           // I logged in elsewhere:
 682           this.conn.removeEventListener("message", this.socketMessageListener);
 683           this.conn.removeEventListener("close", this.socketCloseListener);
 684           this.conn = null;
 685           alert(this.st.tr["New connexion detected: tab now offline"]);
 686           break;
 687         case "askidentity": {
 688           // Request for identification
 689           const me = {
 690             // Decompose to avoid revealing email
 691             name: this.st.user.name,
 692             sid: this.st.user.sid,
 693             id: this.st.user.id
 694           };
 695           this.send("identity", { data: me, target: data.from });
 696           break;
 697         }
 698         case "identity": {
 699           const user = data.data;
 700           let player = this.people[user.sid];
 701           // player.pages is already set
 702           player.id = user.id;
 703           player.name = user.name;
 704           // TODO: this.$set(people, ...) fails. So forceUpdate.
 705           //       But this shouldn't be like that!
 706           this.$forceUpdate();
 707           // If I multi-connect, kill current connexion if no mark (I'm older)
 708           if (this.newConnect[user.sid]) {
 709             if (
 710               user.id > 0 &&
 711               user.id == this.st.user.id &&
 712               user.sid != this.st.user.sid &&
 713               !this.killed[this.st.user.sid]
 714             ) {
 715                 this.send("killme", { sid: this.st.user.sid });
 716                 this.killed[this.st.user.sid] = true;
 717             }
 718             delete this.newConnect[user.sid];
 719           }
 720           break;
 721         }
 722         case "askchallenges": {
 723           // Send my current live challenges (if any)
 724           const myChallenges = this.challenges
 725             .filter(c =>
 726               c.from.sid == this.st.user.sid && c.type == "live"
 727             )
 728             .map(c => {
 729               // NOTE: in principle, should only send targeted challenge to the target.
 730               // But we may not know yet the identity of the target (just name),
 731               // so cannot decide if data.from is the target or not.
 732               return {
 733                 id: c.id,
 734                 from: this.st.user.sid,
 735                 to: c.to,
 736                 randomness: c.randomness,
 737                 fen: c.fen,
 738                 vid: c.vid,
 739                 cadence: c.cadence,
 740                 added: c.added
 741               };
 742             });
 743           if (myChallenges.length > 0)
 744             this.send("challenges", { data: myChallenges, target: data.from });
 745           break;
 746         }
 747         case "challenges": //after "askchallenges"
 748           data.data.forEach(this.addChallenge);
 749           break;
 750         case "newchallenge":
 751           this.addChallenge(data.data);
 752           break;
 753         case "refusechallenge": {
 754           const cid = data.data;
 755           ArrayFun.remove(this.challenges, c => c.id == cid);
 756           alert(this.st.tr["Challenge declined"]);
 757           break;
 758         }
 759         case "deletechallenge_s": {
 760           // NOTE: the challenge(s) may be already removed
 761           const cref = data.data;
 762           if (!!cref.cid) ArrayFun.remove(this.challenges, c => c.id == cref.cid);
 763           else if (!!cref.sids) {
 764             cref.sids.forEach(s => {
 765               ArrayFun.remove(
 766                 this.challenges,
 767                 c => c.type == "live" && c.from.sid == s,
 768                 "all"
 769               );
 770             });
 771           }
 772           break;
 773         }
 774         case "game": // Individual request
 775         case "newgame": {
 776           const game = data.data;
 777           // Ignore games where I play (will go in MyGames page),
 778           // and also games that I already received.
 779           if (
 780             game.players.every(p =>
 781               p.sid != this.st.user.sid && p.id != this.st.user.id) &&
 782             this.games.findIndex(g => g.id == game.id) == -1
 783           ) {
 784             let newGame = game;
 785             newGame.type = this.classifyObject(game);
 786             newGame.vname = this.getVname(game.vid);
 787             if (!game.score)
 788               // New game from Hall
 789               newGame.score = "*";
 790             this.games.push(newGame);
 791             if (
 792               (newGame.type == "live" && this.gdisplay == "corr") ||
 793               (newGame.type == "corr" && this.gdisplay == "live")
 794             ) {
 795               document
 796                 .getElementById("btnG" + newGame.type)
 797                 .classList.add("somethingnew");
 798             }
 799           }
 800           break;
 801         }
 802         case "result": {
 803           let g = this.games.find(g => g.id == data.gid);
 804           if (!!g) g.score = data.score;
 805           break;
 806         }
 807         case "startgame": {
 808           // New game just started, I'm involved
 809           const gameInfo = data.data;
 810           if (this.classifyObject(gameInfo) == "live")
 811             this.startNewGame(gameInfo);
 812           else {
 813             this.infoMessage =
 814               this.st.tr["New correspondance game:"] +
 815               " <a href='#/game/" +
 816               gameInfo.id +
 817               "'>" +
 818               "#/game/" +
 819               gameInfo.id +
 820               "</a>";
 821             document.getElementById("modalInfo").checked = true;
 822           }
 823           break;
 824         }
 825         case "newchat":
 826           this.$refs["chatcomp"].newChat(data.data);
 827           if (!document.getElementById("modalPeople").checked)
 828             document.getElementById("peopleBtn").classList.add("somethingnew");
 829           break;
 830       }
 831     },
 832     socketCloseListener: function() {
 833       if (!this.conn) return;
 834       this.conn = new WebSocket(this.connexionString);
 835       this.conn.addEventListener("message", this.socketMessageListener);
 836       this.conn.addEventListener("close", this.socketCloseListener);
 837     },
 838     loadMoreCorr: function() {
 839       ajax(
 840         "/observedgames",
 841         "GET",
 842         {
 843           data: {
 844             uid: this.st.user.id,
 845             cursor: this.cursor
 846           },
 847           success: (res) => {
 848             const L = res.games.length;
 849             if (L > 0) {
 850               if (
 851                 this.cursor == Number.MAX_SAFE_INTEGER &&
 852                 this.games.length == 0 &&
 853                 this.gdisplay == "live"
 854               ) {
 855                 // First loading: show indicators
 856                 document
 857                   .getElementById("btnGcorr")
 858                   .classList.add("somethingnew");
 859               }
 860               this.cursor = res.games[L - 1].created;
 861               let moreGames = res.games.map(g => {
 862                 const vname = this.getVname(g.vid);
 863                 return Object.assign(
 864                   {},
 865                   g,
 866                   {
 867                     type: "corr",
 868                     vname: vname
 869                   }
 870                 );
 871               });
 872               this.games = this.games.concat(moreGames);
 873             } else this.hasMore = false;
 874           }
 875         }
 876       );
 877     },
 878     // Challenge lifecycle:
 879     addChallenge: function(chall) {
 880       // NOTE about next condition: see "askchallenges" case.
 881       if (
 882         !chall.to ||
 883         (this.people[chall.from].id > 0 &&
 884           (chall.from == this.st.user.sid || chall.to == this.st.user.name))
 885       ) {
 886         let newChall = Object.assign({}, chall);
 887         newChall.type = this.classifyObject(chall);
 888         newChall.randomness = chall.randomness;
 889         newChall.added = Date.now();
 890         let fromValues = Object.assign({}, this.people[chall.from]);
 891         delete fromValues["pages"]; //irrelevant in this context
 892         newChall.from = Object.assign({ sid: chall.from }, fromValues);
 893         newChall.vname = this.getVname(newChall.vid);
 894         this.challenges.push(newChall);
 895         if (
 896           (newChall.type == "live" && this.cdisplay == "corr") ||
 897           (newChall.type == "corr" && this.cdisplay == "live")
 898         ) {
 899           document
 900             .getElementById("btnC" + newChall.type)
 901             .classList.add("somethingnew");
 902         }
 903       }
 904     },
 905     loadNewchallVariant: async function(cb) {
 906       const vname = this.getVname(this.newchallenge.vid);
 907       await import("@/variants/" + vname + ".js")
 908       .then((vModule) => {
 909         window.V = vModule[vname + "Rules"];
 910         this.newchallenge.V = window.V;
 911         this.newchallenge.vname = vname;
 912         if (!!cb) cb();
 913       });
 914     },
 915     trySetNewchallDiag: function() {
 916       if (!this.newchallenge.fen) {
 917         this.newchallenge.diag = "";
 918         return;
 919       }
 920       // If vid > 0 then the variant is loaded (function above):
 921       window.V = this.newchallenge.V;
 922       if (
 923         this.newchallenge.vid > 0 &&
 924         !!this.newchallenge.fen &&
 925         V.IsGoodFen(this.newchallenge.fen)
 926       ) {
 927         const parsedFen = V.ParseFen(this.newchallenge.fen);
 928         this.newchallenge.diag = getDiagram({
 929           position: parsedFen.position,
 930           orientation: parsedFen.turn
 931         });
 932       } else this.newchallenge.diag = "";
 933     },
 934     newChallFromPreset(pchall) {
 935       this.partialResetNewchallenge();
 936       this.newchallenge.vid = pchall.vid;
 937       this.newchallenge.cadence = pchall.cadence;
 938       this.newchallenge.randomness = pchall.randomness;
 939       this.loadNewchallVariant(this.issueNewChallenge);
 940     },
 941     issueNewChallenge: async function() {
 942       if (!!(this.newchallenge.cadence.match(/^[0-9]+$/)))
 943         this.newchallenge.cadence += "+0"; //assume minutes, no increment
 944       const ctype = this.classifyObject(this.newchallenge);
 945       // TODO: cadence still unchecked so ctype could be wrong...
 946       let error = "";
 947       if (!this.newchallenge.vid)
 948         error = this.st.tr["Please select a variant"];
 949       else if (ctype == "corr" && this.st.user.id <= 0)
 950         error = this.st.tr["Please log in to play correspondance games"];
 951       else if (!!this.newchallenge.to) {
 952         if (this.newchallenge.to == this.st.user.name)
 953           error = this.st.tr["Self-challenge is forbidden"];
 954         else if (
 955           ctype == "live" &&
 956           Object.values(this.people).every(p => p.name != this.newchallenge.to)
 957         ) {
 958           error = this.newchallenge.to + " " + this.st.tr["is not online"];
 959         }
 960       }
 961       if (error) {
 962         alert(error);
 963         return;
 964       }
 965       window.V = this.newchallenge.V;
 966       error = checkChallenge(this.newchallenge);
 967       if (error) {
 968         alert(error);
 969         return;
 970       }
 971       // NOTE: "from" information is not required here
 972       let chall = Object.assign({}, this.newchallenge);
 973       // Add only if not already issued (not counting target or FEN):
 974       if (this.challenges.some(c =>
 975         (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id) &&
 976         c.vid == chall.vid &&
 977         c.cadence == chall.cadence &&
 978         c.randomness == chall.randomness
 979       )) {
 980         alert(this.st.tr["Challenge already exists"]);
 981         return;
 982       }
 983       if (this.newchallenge.memorize) this.addPresetChall(this.newchallenge);
 984       delete chall["V"];
 985       delete chall["diag"];
 986       const finishAddChallenge = cid => {
 987         chall.id = cid || "c" + getRandString();
 988         const MAX_ALLOWED_CHALLS = 3;
 989         // Remove oldest challenge if 3 found: only 3 at a time of a given type
 990         let countMyChalls = 0;
 991         let challToDelIdx = 0;
 992         let oldestAdded = Number.MAX_SAFE_INTEGER;
 993         for (let i=0; i<this.challenges.length; i++) {
 994           const c = this.challenges[i];
 995           if (
 996             c.type == ctype &&
 997             (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id)
 998           ) {
 999             countMyChalls++;
1000             if (c.added < oldestAdded) {
1001               challToDelIdx = i;
1002               oldestAdded = c.added;
1003             }
1004           }
1005         }
1006         if (countMyChalls >= MAX_ALLOWED_CHALLS) {
1007           this.send(
1008             "deletechallenge_s",
1009             { data: { cid: this.challenges[challToDelIdx].id } }
1010           );
1011           if (ctype == "corr") {
1012             ajax(
1013               "/challenges",
1014               "DELETE",
1015               { data: { id: this.challenges[challToDelIdx].id } }
1016             );
1017           }
1018           this.challenges.splice(challToDelIdx, 1);
1019         }
1020         this.send("newchallenge", {
1021           data: Object.assign({ from: this.st.user.sid }, chall)
1022         });
1023         // Add new challenge:
1024         chall.from = {
1025           sid: this.st.user.sid,
1026           id: this.st.user.id,
1027           name: this.st.user.name
1028         };
1029         chall.added = Date.now();
1030         // NOTE: vname and type are redundant (can be deduced from cadence + vid)
1031         chall.type = ctype;
1032         chall.vname = this.newchallenge.vname;
1033         this.challenges.push(chall);
1034         // Remember cadence  + vid for quicker further challenges:
1035         localStorage.setItem("cadence", chall.cadence);
1036         localStorage.setItem("vid", chall.vid);
1037         localStorage.setItem("challRandomness", chall.randomness);
1038         document.getElementById("modalNewgame").checked = false;
1039         // Show the challenge if not on current display
1040         if (
1041           (ctype == "live" && this.cdisplay == "corr") ||
1042           (ctype == "corr" && this.cdisplay == "live")
1043         ) {
1044           this.setDisplay('c', ctype);
1045         }
1046       };
1047       if (ctype == "live") {
1048         // Live challenges have a random ID
1049         finishAddChallenge(null);
1050       } else {
1051         // Correspondance game: send challenge to server
1052         ajax(
1053           "/challenges",
1054           "POST",
1055           {
1056             data: { chall: chall },
1057             success: (response) => {
1058               finishAddChallenge(response.id);
1059             }
1060           }
1061         );
1062       }
1063     },
1064     // Callback function after a diagram was showed to accept
1065     // or refuse targetted challenge:
1066     decisionChallenge: function(accepted) {
1067       this.curChallToAccept.accepted = accepted;
1068       this.finishProcessingChallenge(this.curChallToAccept);
1069       document.getElementById("modalAccept").checked = false;
1070     },
1071     finishProcessingChallenge: function(c) {
1072       if (c.accepted) {
1073         c.seat = {
1074           sid: this.st.user.sid,
1075           id: this.st.user.id,
1076           name: this.st.user.name
1077         };
1078         this.launchGame(c);
1079         if (c.type == "live")
1080           // Remove all live challenges of both players
1081           this.send("deletechallenge_s", { data: { sids: [c.from.sid, c.seat.sid] } });
1082         else
1083           // Corr challenge: just remove the challenge
1084           this.send("deletechallenge_s", { data: { cid: c.id } });
1085       } else {
1086         const oppsid = this.getOppsid(c);
1087         if (!!oppsid)
1088           this.send("refusechallenge", { data: c.id, target: oppsid });
1089         if (c.type == "corr") {
1090           ajax(
1091             "/challenges",
1092             "DELETE",
1093             { data: { id: c.id } }
1094           );
1095         }
1096         this.send("deletechallenge_s", { data: { cid: c.id } });
1097       }
1098     },
1099     // TODO: if several players click same challenge at the same time: problem
1100     clickChallenge: async function(c) {
1101       const myChallenge =
1102         c.from.sid == this.st.user.sid || //live
1103         (this.st.user.id > 0 && c.from.id == this.st.user.id); //corr
1104       if (!myChallenge) {
1105         if (c.type == "corr" && this.st.user.id <= 0) {
1106           alert(this.st.tr["Please log in to accept corr challenges"]);
1107           return;
1108         }
1109         c.accepted = true;
1110         await import("@/variants/" + c.vname + ".js")
1111         .then((vModule) => {
1112           window.V = vModule[c.vname + "Rules"];
1113           if (!!c.to) {
1114             // c.to == this.st.user.name (connected)
1115             if (!!c.fen) {
1116               const parsedFen = V.ParseFen(c.fen);
1117               c.mycolor = V.GetOppCol(parsedFen.turn);
1118               this.tchallDiag = getDiagram({
1119                 position: parsedFen.position,
1120                 orientation: c.mycolor
1121               });
1122             }
1123             this.curChallToAccept = c;
1124             document.getElementById("modalAccept").checked = true;
1125           }
1126           else this.finishProcessingChallenge(c);
1127         });
1128       }
1129       else {
1130         // My challenge
1131         if (c.type == "corr") {
1132           ajax(
1133             "/challenges",
1134             "DELETE",
1135             { data: { id: c.id } }
1136           );
1137         }
1138         this.send("deletechallenge_s", { data: { cid: c.id } });
1139       }
1140       // In all cases, the challenge is consumed:
1141       ArrayFun.remove(this.challenges, ch => ch.id == c.id);
1142     },
1143     // NOTE: when launching game, the challenge is already being deleted
1144     launchGame: function(c) {
1145       // White player index 0, black player index 1:
1146       const players =
1147         !!c.mycolor
1148           ? (c.mycolor == "w" ? [c.seat, c.from] : [c.from, c.seat])
1149           : shuffle([c.from, c.seat]);
1150       // These game informations will be shared
1151       let gameInfo = {
1152         id: getRandString(),
1153         fen: c.fen || V.GenRandInitFen(c.randomness),
1154         randomness: c.randomness, //for rematch
1155         players: players,
1156         vid: c.vid,
1157         cadence: c.cadence
1158       };
1159       const notifyNewgame = () => {
1160         const oppsid = this.getOppsid(c);
1161         if (!!oppsid)
1162           // Opponent is online
1163           this.send("startgame", { data: gameInfo, target: oppsid });
1164         // If new corr game, notify Hall (except opponent and me)
1165         if (c.type == "corr") {
1166           this.send(
1167             "newgame",
1168             {
1169               data: gameInfo,
1170               excluded: [this.st.user.sid, oppsid]
1171             }
1172           );
1173         }
1174         // Notify MyGames page:
1175         this.send(
1176           "notifynewgame",
1177           {
1178             data: gameInfo,
1179             targets: gameInfo.players
1180           }
1181         );
1182         // NOTE: no need to send the game to the room, since I'll connect
1183         // on game just after, the main Hall will be notified.
1184       };
1185       if (c.type == "live") {
1186         notifyNewgame();
1187         this.startNewGame(gameInfo);
1188       } else {
1189         // corr: game only on server
1190         ajax(
1191           "/games",
1192           "POST",
1193           {
1194             // cid is useful to delete the challenge:
1195             data: {
1196               gameInfo: gameInfo,
1197               cid: c.id
1198             },
1199             success: (response) => {
1200               gameInfo.id = response.id;
1201               notifyNewgame();
1202               this.$router.push("/game/" + response.id);
1203             }
1204           }
1205         );
1206       }
1207     },
1208     // NOTE: for live games only (corr games start on the server)
1209     startNewGame: function(gameInfo) {
1210       const game = Object.assign(
1211         {},
1212         gameInfo,
1213         {
1214           // (other) Game infos: constant
1215           fenStart: gameInfo.fen,
1216           vname: this.getVname(gameInfo.vid),
1217           created: Date.now(),
1218           // Game state (including FEN): will be updated
1219           moves: [],
1220           clocks: [-1, -1], //-1 = unstarted
1221           score: "*"
1222         }
1223       );
1224       setTimeout(
1225         () => {
1226           GameStorage.add(game, (err) => {
1227             // If an error occurred, game is not added: a tab already
1228             // added the game. Maybe a focused one, maybe not.
1229             // We know for sure that it emitted the gong start sound.
1230             // ==> Do not play it again.
1231             if (!err && this.st.settings.sound)
1232               new Audio("/sounds/newgame.flac").play().catch(() => {});
1233             this.$router.push("/game/" + gameInfo.id);
1234           });
1235         },
1236         document.hidden ? 500 + 1000 * Math.random() : 0
1237       );
1238     }
1239   }
1240 };
1241 </script>
1242
1243 <style lang="sass" scoped>
1244 .active
1245   color: #42a983
1246
1247 #infoDiv > .card
1248   padding: 15px 0
1249   max-width: 430px
1250
1251 #newgameDiv > .card, #acceptDiv > .card
1252   max-width: 767px
1253   max-height: 100%
1254
1255 div#peopleWrap > .card
1256   max-height: 100%
1257
1258 @media screen and (min-width: 1281px)
1259   div#peopleWrap > .card
1260     max-width: 66.67%
1261
1262 @media screen and (max-width: 1280px)
1263   div#peopleWrap > .card
1264     max-width: 83.33%
1265
1266 @media screen and (max-width: 767px)
1267   div#peopleWrap > .card
1268     max-width: 100%
1269
1270 #players
1271   width: 50%
1272   position: relative
1273   float: left
1274
1275 #chat
1276   width: 50%
1277   float: left
1278   position: relative
1279
1280 @media screen and (max-width: 767px)
1281   #players, #chats
1282     width: 100%
1283
1284 #chat > .card
1285   max-width: 100%
1286   margin: 0;
1287   border: none;
1288
1289 #players > p
1290   margin-left: 5px
1291
1292 .anonymous
1293   font-style: italic
1294
1295 button.player-action
1296   margin-left: 32px
1297
1298 .somethingnew
1299   background-color: #c5fefe !important
1300
1301 .tabbtn
1302   background-color: #f9faee
1303
1304 button.acceptBtn
1305   background-color: lightgreen
1306 button.refuseBtn
1307   background-color: red
1308
1309 #buttonsTchall
1310   // margin-top set dynamically (depends if diagram showed or not)
1311   & > button > span
1312     width: 100%
1313     text-align: center
1314
1315 .variantName
1316   font-weight: bold
1317
1318 .diagram
1319   margin: 0 auto
1320   max-width: 400px
1321   // width: 100% required for Firefox
1322   width: 100%
1323
1324 #inputFen
1325   width: 100%
1326
1327 #div2, #div3
1328   margin-top: 15px
1329 @media screen and (max-width: 767px)
1330   #div2, #div3
1331     margin-top: 0
1332
1333 tr > td
1334   &.random-0
1335     background-color: #FF5733
1336   &.random-1
1337     background-color: #2B63B4
1338   &.random-2
1339     background-color: #33B42B
1340
1341 @media screen and (max-width: 767px)
1342   h4
1343     margin: 5px 0
1344
1345 button#loadMoreBtn
1346   display: block
1347   margin: 0 auto
1348
1349 td.remove-preset
1350   background-color: lightgrey
1351   text-align: center
1352   & > img
1353     height: 1em
1354 </style>