client/src/store.js

   1 // NOTE: do not use ajax() here because ajax.js requires the store
   2 import params from "./parameters"; //for server URL
   3 import { getRandString } from "./utils/alea";
   4 import { delCookie } from "./utils/cookie";
   5
   6 // Global store: see
   7 // https://medium.com/fullstackio/managing-state-in-vue-js-23a0352b1c87
   8 export const store = {
   9   state: {
  10     variants: [],
  11     tr: {},
  12     user: {},
  13     settings: {},
  14     lang: ""
  15   },
  16   initialize() {
  17     const headers = {
  18       "Content-Type": "application/json;charset=UTF-8",
  19       "X-Requested-With": "XMLHttpRequest"
  20     };
  21     fetch(
  22       params.serverUrl + "/variants",
  23       {
  24         method: "GET",
  25         headers: headers
  26       }
  27     )
  28     .then(res => res.json())
  29     .then(json => {
  30       if (!Array.isArray(json.variantArray)) {
  31         alert("Variants loading failed: reload the page");
  32         return;
  33       }
  34       this.state.variants = json.variantArray
  35         .sort((v1,v2) => v1.name.localeCompare(v2.name));
  36     });
  37     let mysid = localStorage.getItem("mysid");
  38     // Assign mysid only once (until next time user clear browser data)
  39     if (!mysid) {
  40       mysid = getRandString();
  41       localStorage.setItem("mysid", mysid);
  42     }
  43     // Quick user setup using local storage:
  44     this.state.user = {
  45       id: localStorage.getItem("myid") || 0,
  46       name: localStorage.getItem("myname") || "", //"" for "anonymous"
  47       email: "", //unknown yet
  48       notify: false, //email notifications
  49       sid: mysid
  50     };
  51     // Slow verification through the server:
  52     fetch(
  53       params.serverUrl + "/whoami",
  54       {
  55         method: "GET",
  56         headers: headers,
  57         credentials: params.credentials
  58       }
  59     )
  60     .then(res => res.json())
  61     .then(json => {
  62       if (!json.id) {
  63         // Removed, or wrong token
  64         if (this.state.user.id > 0) {
  65           this.state.user.id = 0;
  66           localStorage.removeItem("myid");
  67         }
  68         if (!!this.state.user.name) {
  69           this.state.user.name = "";
  70           localStorage.removeItem("myname");
  71         }
  72         if (document.cookie.indexOf("token") >= 0) delCookie("token");
  73       }
  74       else {
  75         if (this.state.user.id != json.id) {
  76           this.state.user.id = json.id;
  77           localStorage.setItem("myid", json.id);
  78         }
  79         if (this.state.user.name != json.name) {
  80           this.state.user.name = json.name;
  81           localStorage.setItem("myname", json.name);
  82         }
  83         this.state.user.email = json.email;
  84         this.state.user.notify = json.notify;
  85       }
  86     });
  87     // Settings initialized with values from localStorage
  88     const getItemDefault = (item, defaut) => {
  89       const value = localStorage.getItem(item);
  90       if (!value) return defaut;
  91       return value == "true";
  92     };
  93     this.state.settings = {
  94       bcolor: localStorage.getItem("bcolor") || "lichess",
  95       sound: getItemDefault("sound", true),
  96       hints: getItemDefault("hints", true),
  97       highlight: getItemDefault("highlight", true),
  98       gotonext: getItemDefault("gotonext", true),
  99       scrollmove: getItemDefault("scrollmove", false)
 100     };
 101     const supportedLangs = ["en", "es", "fr"];
 102     const navLanguage = navigator.language.substr(0, 2);
 103     this.state.lang =
 104       localStorage["lang"] ||
 105       (supportedLangs.includes(navLanguage) ? navLanguage : "en");
 106     this.setTranslations();
 107   },
 108   updateSetting: function(propName, value) {
 109     this.state.settings[propName] = value;
 110     localStorage.setItem(propName, value);
 111   },
 112   setTranslations: async function() {
 113     // Import translations from "./translations/$lang.js"
 114     const tModule = await import("@/translations/" + this.state.lang + ".js");
 115     this.state.tr = tModule.translations;
 116   },
 117   setLanguage(lang) {
 118     this.state.lang = lang;
 119     this.setTranslations();
 120   }
 121 };