client/settings: add accountless settings

client/js/controllers/settings_controller.js

@@ -0,0 +1,53 @@
+'use strict';
+
+const page = require('page');
+const events = require('../events.js');
+const topNavController = require('../controllers/top_nav_controller.js');
+const SettingsView = require('../views/settings_view.js');
+
+class SettingsController {
+    constructor() {
+        this.settingsView = new SettingsView();
+    }
+
+    registerRoutes() {
+        page('/settings', (ctx, next) => { this.settingsRoute(); });
+    }
+
+    settingsRoute() {
+        topNavController.activate('settings');
+        this.settingsView.render({
+            getSettings: () => this.getSettings(),
+            saveSettings: newSettings => this.saveSettings(newSettings),
+        });
+    }
+
+    saveSettings(browsingSettings) {
+        localStorage.setItem('settings', JSON.stringify(browsingSettings));
+        events.notify(events.Success, 'Settings saved');
+    }
+
+    getSettings(settings) {
+        const defaultSettings = {
+            endlessScroll: false,
+        };
+        let ret = {};
+        let userSettings = localStorage.getItem('settings');
+        if (userSettings) {
+            userSettings = JSON.parse(userSettings);
+        }
+        if (!userSettings) {
+            userSettings = {};
+        }
+        for (let key of Object.keys(defaultSettings)) {
+            if (key in userSettings) {
+                ret[key] = userSettings[key];
+            } else {
+                ret[key] = defaultSettings[key];
+            }
+        }
+        return ret;
+    }
+};
+
+module.exports = new SettingsController();