97 lines
1.8 KiB
JavaScript
97 lines
1.8 KiB
JavaScript
var App = App || {};
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App.BrowsingSettings = function(
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promise,
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auth,
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api) {
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var settings = getDefaultSettings();
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auth.startObservingLoginChanges('browsing-settings', loginStateChanged);
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readFromLocalStorage();
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if (auth.isLoggedIn()) {
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loginStateChanged();
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}
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function setSettings(newSettings) {
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settings = newSettings;
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return save();
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}
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function getSettings() {
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return settings;
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}
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function getDefaultSettings() {
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return {
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hideDownvoted: true,
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endlessScroll: false,
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listPosts: {
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safe: true,
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sketchy: true,
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unsafe: true,
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},
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keyboardShortcuts: true,
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};
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}
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function loginStateChanged() {
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readFromUser(auth.getCurrentUser());
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}
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function readFromLocalStorage() {
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readFromString(localStorage.getItem('browsingSettings'));
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}
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function readFromUser(user) {
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readFromString(user.browsingSettings);
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}
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function readFromString(string) {
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if (!string) {
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return;
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}
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try {
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if (typeof(string) === 'string' || string instanceof String) {
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settings = JSON.parse(string);
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} else {
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settings = string;
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}
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} catch (e) {
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}
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}
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function saveToLocalStorage() {
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localStorage.setItem('browsingSettings', JSON.stringify(settings));
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}
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function saveToUser(user) {
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var formData = {
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browsingSettings: JSON.stringify(settings),
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};
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return api.post('/users/' + user.name, formData);
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}
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function save() {
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return promise.make(function(resolve, reject) {
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saveToLocalStorage();
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if (auth.isLoggedIn()) {
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promise.wait(saveToUser(auth.getCurrentUser()))
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.then(resolve)
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.fail(reject);
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} else {
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resolve();
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}
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});
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}
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return {
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getSettings: getSettings,
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setSettings: setSettings,
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};
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};
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App.DI.registerSingleton('browsingSettings', ['promise', 'auth', 'api'], App.BrowsingSettings);
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