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.sort(
  17         (v1,v2) => v1.name.localeCompare(v2.name));
  18     });
  19     let mysid = localStorage.getItem("mysid");
  20     // Assign mysid only once (until next time user clear browser data)
  21     if (!mysid) {
  22       mysid = getRandString();
  23       localStorage.setItem("mysid", mysid);
  24     }
  25     // Quick user setup using local storage:
  26     this.state.user = {
  27       id: localStorage.getItem("myid") || 0,
  28       name: localStorage.getItem("myname") || "", //"" for "anonymous"
  29       email: "", //unknown yet
  30       notify: false, //email notifications
  31       sid: mysid
  32     };
  33     // Slow verification through the server:
  34     // NOTE: still superficial identity usurpation possible, but difficult.
  35     ajax("/whoami", "GET", res => {
  36       this.state.user.id = res.id;
  37       const storedId = localStorage.getItem("myid");
  38       if (res.id > 0 && !storedId)
  39         // User cleared localStorage
  40         localStorage.setItem("myid", res.id);
  41       else if (res.id == 0 && !!storedId)
  42         // User cleared cookie
  43         localStorage.removeItem("myid");
  44       this.state.user.name = res.name;
  45       const storedName = localStorage.getItem("myname");
  46       if (!!res.name && !storedName)
  47         // User cleared localStorage
  48         localStorage.setItem("myname", res.name);
  49       else if (!res.name && !!storedName)
  50         // User cleared cookie
  51         localStorage.removeItem("myname");
  52       this.state.user.email = res.email;
  53       this.state.user.notify = res.notify;
  54     });
  55     // Settings initialized with values from localStorage
  56     const getItemDefaultTrue = (item) => {
  57       const value = localStorage.getItem(item);
  58       if (!value) return true;
  59       return value == "true";
  60     };
  61     this.state.settings = {
  62       bcolor: localStorage.getItem("bcolor") || "lichess",
  63       sound: getItemDefaultTrue("sound"),
  64       hints: getItemDefaultTrue("hints"),
  65       highlight: getItemDefaultTrue("highlight")
  66     };
  67     const supportedLangs = ["en", "es", "fr"];
  68     const navLanguage = navigator.language.substr(0,2);
  69     this.state.lang =
  70       localStorage["lang"] ||
  71       (supportedLangs.includes(navLanguage) ? navLanguage : "en");
  72     this.setTranslations();
  73   },
  74   updateSetting: function(propName, value) {
  75     this.state.settings[propName] = value;
  76     localStorage.setItem(propName, value);
  77   },
  78   setTranslations: async function() {
  79     // Import translations from "./translations/$lang.js"
  80     const tModule = await import("@/translations/" + this.state.lang + ".js");
  81     this.state.tr = tModule.translations;
  82   },
  83   setLanguage(lang) {
  84     this.state.lang = lang;
  85     this.setTranslations();
  86   }
  87 };