client/src/store.js

   1 import { ajax } from "./utils/ajax";
   2 import { getRandString } from "./utils/alea";
   3 import params from "./parameters"; //for socket connection
   4
   5 // Global store: see https://medium.com/fullstackio/managing-state-in-vue-js-23a0352b1c87
   6 export const store =
   7 {
   8   state: {
   9     variants: [],
  10     tr: {},
  11     user: {},
  12     conn: null,
  13     settings: {},
  14     lang: "",
  15   },
  16   socketCloseListener: null,
  17   initialize(page) {
  18     ajax("/variants", "GET", res => { this.state.variants = res.variantArray; });
  19     let mysid = localStorage["mysid"];
  20     if (!mysid)
  21     {
  22       mysid = getRandString();
  23       localStorage["mysid"] = mysid; //done only once (unless user clear browser data)
  24     }
  25     this.state.user = {
  26       id: localStorage["myid"] || 0,
  27       name: localStorage["myname"] || "", //"" for "anonymous"
  28       email: "", //unknown yet
  29       notify: false, //email notifications
  30       sid: mysid,
  31     };
  32     if (this.state.user.id > 0)
  33     {
  34       ajax("/whoami", "GET", res => {
  35         this.state.user.email = res.email;
  36         this.state.user.notify = res.notify;
  37       });
  38     }
  39     this.state.conn = new WebSocket(params.socketUrl + "/?sid=" + mysid +
  40       "&page=" + encodeURIComponent(page));
  41     // Settings initialized with values from localStorage
  42     this.state.settings = {
  43       bcolor: localStorage["bcolor"] || "lichess",
  44       sound: parseInt(localStorage["sound"]) || 2,
  45       hints: parseInt(localStorage["hints"]) || 1,
  46       coords: !!eval(localStorage["coords"]),
  47       highlight: !!eval(localStorage["highlight"]),
  48       sqSize: parseInt(localStorage["sqSize"]),
  49     };
  50     this.socketCloseListener = () => {
  51       // Next line may fail at first, but should retry and eventually success (TODO?)
  52       this.state.conn = new WebSocket(params.socketUrl + "/?sid=" + mysid +
  53         "&page=" + encodeURIComponent(page));
  54     };
  55     this.state.conn.onclose = this.socketCloseListener;
  56     const supportedLangs = ["en","es","fr"];
  57     this.state.lang = localStorage["lang"] ||
  58       supportedLangs.includes(navigator.language)
  59         ? navigator.language
  60         : "en";
  61     this.setTranslations();
  62   },
  63   setTranslations: async function() {
  64     // Import translations from "./translations/$lang.js"
  65     const tModule = await import("@/translations/" + this.state.lang + ".js");
  66     this.state.tr = tModule.translations;
  67   },
  68   setLanguage(lang) {
  69     this.state.lang = lang;
  70     this.setTranslations();
  71   },
  72 };