Fix Chakart (promotions + queen visibility)
[vchess.git] / 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
5 // Global store: see
6 // https://medium.com/fullstackio/managing-state-in-vue-js-23a0352b1c87
7 export const store = {
8 state: {
9 variants: [],
10 tr: {},
11 user: {},
12 settings: {},
13 lang: ""
14 },
15 socketCloseListener: null,
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 newsRead: localStorage.getItem("newsRead") || 0,
50 sid: mysid
51 };
52 // Slow verification through the server:
53 // NOTE: still superficial identity usurpation possible, but difficult.
54 fetch(
55 params.serverUrl + "/whoami",
56 {
57 method: "GET",
58 headers: headers,
59 credentials: params.credentials
60 }
61 )
62 .then(res => res.json())
63 .then(json => {
64 this.state.user.id = json.id;
65 const storedId = localStorage.getItem("myid");
66 if (json.id > 0 && !storedId)
67 // User cleared localStorage
68 localStorage.setItem("myid", json.id);
69 else if (json.id == 0 && !!storedId)
70 // User cleared cookie
71 localStorage.removeItem("myid");
72 this.state.user.name = json.name;
73 const storedName = localStorage.getItem("myname");
74 if (!!json.name && !storedName)
75 // User cleared localStorage
76 localStorage.setItem("myname", json.name);
77 else if (!json.name && !!storedName)
78 // User cleared cookie
79 localStorage.removeItem("myname");
80 this.state.user.email = json.email;
81 this.state.user.notify = json.notify;
82 if (!!json.newsRead && json.newsRead > this.state.user.newsRead)
83 this.state.user.newsRead = json.newsRead;
84 });
85 // Settings initialized with values from localStorage
86 const getItemDefaultTrue = (item) => {
87 const value = localStorage.getItem(item);
88 if (!value) return true;
89 return value == "true";
90 };
91 this.state.settings = {
92 bcolor: localStorage.getItem("bcolor") || "lichess",
93 sound: getItemDefaultTrue("sound"),
94 hints: getItemDefaultTrue("hints"),
95 highlight: getItemDefaultTrue("highlight"),
96 gotonext: getItemDefaultTrue("gotonext"),
97 randomness: parseInt(localStorage.getItem("randomness"))
98 };
99 if (isNaN(this.state.settings.randomness))
100 // Default: random asymmetric
101 this.state.settings.randomness = 2;
102 const supportedLangs = ["en", "es", "fr"];
103 const navLanguage = navigator.language.substr(0,2);
104 this.state.lang =
105 localStorage["lang"] ||
106 (supportedLangs.includes(navLanguage) ? navLanguage : "en");
107 this.setTranslations();
108 },
109 updateSetting: function(propName, value) {
110 this.state.settings[propName] = value;
111 localStorage.setItem(propName, value);
112 },
113 setTranslations: async function() {
114 // Import translations from "./translations/$lang.js"
115 const tModule = await import("@/translations/" + this.state.lang + ".js");
116 this.state.tr = tModule.translations;
117 },
118 setLanguage(lang) {
119 this.state.lang = lang;
120 this.setTranslations();
121 }
122 };