client/src/store.js

   1 import { ajax } from "./utils/ajax";
   2 import { getRandString } from "./utils/alea";
   3
   4 // Global store: see https://medium.com/fullstackio/managing-state-in-vue-js-23a0352b1c87
   5 export const store = {
   6   state: {
   7     variants: [],
   8     tr: {},
   9     user: {},
  10     settings: {},
  11     lang: ""
  12   },
  13   socketCloseListener: null,
  14   initialize() {
  15     ajax("/variants", "GET", res => {
  16       this.state.variants = res.variantArray;
  17     });
  18     let mysid = localStorage.getItem("mysid");
  19     if (!mysid) {
  20       mysid = getRandString();
  21       localStorage.setItem("mysid", mysid); //done only once (unless user clear browser data)
  22     }
  23     // Quick user setup using local storage:
  24     this.state.user = {
  25       id: localStorage.getItem("myid") || 0,
  26       name: localStorage.getItem("myname") || "", //"" for "anonymous"
  27       email: "", //unknown yet
  28       notify: false, //email notifications
  29       sid: mysid
  30     };
  31     // Slow verification through the server:
  32     // NOTE: still superficial identity usurpation possible, but difficult.
  33     ajax("/whoami", "GET", res => {
  34       this.state.user.id = res.id;
  35       const storedId = localStorage.getItem("myid");
  36       if (res.id > 0 && !storedId)
  37         //user cleared localStorage
  38         localStorage.setItem("myid", res.id);
  39       else if (res.id == 0 && !!storedId)
  40         //user cleared cookie
  41         localStorage.removeItem("myid");
  42       this.state.user.name = res.name;
  43       const storedName = localStorage.getItem("myname");
  44       if (!!res.name && !storedName)
  45         //user cleared localStorage
  46         localStorage.setItem("myname", res.name);
  47       else if (!res.name && !!storedName)
  48         //user cleared cookie
  49         localStorage.removeItem("myname");
  50       this.state.user.email = res.email;
  51       this.state.user.notify = res.notify;
  52     });
  53     // Settings initialized with values from localStorage
  54     this.state.settings = {
  55       bcolor: localStorage.getItem("bcolor") || "lichess",
  56       sound: parseInt(localStorage.getItem("sound")) || 1,
  57       hints: localStorage.getItem("hints") == "true",
  58       highlight: localStorage.getItem("highlight") == "true"
  59     };
  60     const supportedLangs = ["en", "es", "fr"];
  61     this.state.lang =
  62       localStorage["lang"] ||
  63       (supportedLangs.includes(navigator.language) ? navigator.language : "en");
  64     this.setTranslations();
  65   },
  66   updateSetting: function(propName, value) {
  67     this.state.settings[propName] = value;
  68     localStorage.setItem(propName, value);
  69   },
  70   setTranslations: async function() {
  71     // Import translations from "./translations/$lang.js"
  72     const tModule = await import("@/translations/" + this.state.lang + ".js");
  73     this.state.tr = tModule.translations;
  74   },
  75   setLanguage(lang) {
  76     this.state.lang = lang;
  77     this.setTranslations();
  78   }
  79 };