client/src/views/Hall.vue

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