NodeBB/NodeBB

'use strict';

const validator = require('validator');

const meta = require('../meta');
const db = require('../database');
const plugins = require('../plugins');
const notifications = require('../notifications');
const languages = require('../languages');

module.exports = function (User) {
    const spiderDefaultSettings = {
        usePagination: 1,
        topicPostSort: 'oldest_to_newest',
        postsPerPage: 20,
        topicsPerPage: 20,
    };
    User.getSettings = async function (uid) {
        if (parseInt(uid, 10) <= 0) {
            const isSpider = parseInt(uid, 10) === -1;
            return await onSettingsLoaded(uid, isSpider ? spiderDefaultSettings : {});
        }
        let settings = await db.getObject(`user:${uid}:settings`);
        settings = settings || {};
        settings.uid = uid;
        return await onSettingsLoaded(uid, settings);
    };

    User.getMultipleUserSettings = async function (uids) {
        if (!Array.isArray(uids) || !uids.length) {
            return [];
        }

        const keys = uids.map(uid => `user:${uid}:settings`);
        let settings = await db.getObjects(keys);
        settings = settings.map((userSettings, index) => {
            userSettings = userSettings || {};
            userSettings.uid = uids[index];
            return userSettings;
        });
        return await Promise.all(settings.map(s => onSettingsLoaded(s.uid, s)));
    };

    async function onSettingsLoaded(uid, settings) {
        const data = await plugins.hooks.fire('filter:user.getSettings', { uid: uid, settings: settings });
        settings = data.settings;

        const defaultTopicsPerPage = meta.config.topicsPerPage;
        const defaultPostsPerPage = meta.config.postsPerPage;

        settings.showemail = parseInt(getSetting(settings, 'showemail', 0), 10) === 1;
        settings.showfullname = parseInt(getSetting(settings, 'showfullname', 0), 10) === 1;
        settings.openOutgoingLinksInNewTab = parseInt(getSetting(settings, 'openOutgoingLinksInNewTab', 0), 10) === 1;
        settings.dailyDigestFreq = getSetting(settings, 'dailyDigestFreq', 'off');
        settings.usePagination = parseInt(getSetting(settings, 'usePagination', 0), 10) === 1;
        settings.topicsPerPage = Math.min(
            meta.config.maxTopicsPerPage,
            settings.topicsPerPage ? parseInt(settings.topicsPerPage, 10) : defaultTopicsPerPage,
            defaultTopicsPerPage
        );
        settings.postsPerPage = Math.min(
            meta.config.maxPostsPerPage,
            settings.postsPerPage ? parseInt(settings.postsPerPage, 10) : defaultPostsPerPage,
            defaultPostsPerPage
        );
        settings.userLang = settings.userLang || meta.config.defaultLang || 'en-GB';
        settings.acpLang = settings.acpLang || settings.userLang;
        settings.topicPostSort = getSetting(settings, 'topicPostSort', 'oldest_to_newest');
        settings.categoryTopicSort = getSetting(settings, 'categoryTopicSort', 'recently_replied');
        settings.followTopicsOnCreate = parseInt(getSetting(settings, 'followTopicsOnCreate', 1), 10) === 1;
        settings.followTopicsOnReply = parseInt(getSetting(settings, 'followTopicsOnReply', 0), 10) === 1;
        settings.upvoteNotifFreq = getSetting(settings, 'upvoteNotifFreq', 'all');
        settings.restrictChat = parseInt(getSetting(settings, 'restrictChat', 0), 10) === 1;
        settings.topicSearchEnabled = parseInt(getSetting(settings, 'topicSearchEnabled', 0), 10) === 1;
        settings.updateUrlWithPostIndex = parseInt(getSetting(settings, 'updateUrlWithPostIndex', 1), 10) === 1;
        settings.bootswatchSkin = validator.escape(String(settings.bootswatchSkin || ''));
        settings.homePageRoute = validator.escape(String(settings.homePageRoute || '')).replace(/&#x2F;/g, '/');
        settings.scrollToMyPost = parseInt(getSetting(settings, 'scrollToMyPost', 1), 10) === 1;
        settings.categoryWatchState = getSetting(settings, 'categoryWatchState', 'notwatching');

        const notificationTypes = await notifications.getAllNotificationTypes();
        notificationTypes.forEach((notificationType) => {
            settings[notificationType] = getSetting(settings, notificationType, 'notification');
        });

        return settings;
    }

    function getSetting(settings, key, defaultValue) {
        if (settings[key] || settings[key] === 0) {
            return settings[key];
        } else if (meta.config[key] || meta.config[key] === 0) {
            return meta.config[key];
        }
        return defaultValue;
    }

    User.saveSettings = async function (uid, data) {
        const maxPostsPerPage = meta.config.maxPostsPerPage || 20;
        if (
            !data.postsPerPage ||
            parseInt(data.postsPerPage, 10) <= 1 ||
            parseInt(data.postsPerPage, 10) > maxPostsPerPage
        ) {
            throw new Error(`[[error:invalid-pagination-value, 2, ${maxPostsPerPage}]]`);
        }

        const maxTopicsPerPage = meta.config.maxTopicsPerPage || 20;
        if (
            !data.topicsPerPage ||
            parseInt(data.topicsPerPage, 10) <= 1 ||
            parseInt(data.topicsPerPage, 10) > maxTopicsPerPage
        ) {
            throw new Error(`[[error:invalid-pagination-value, 2, ${maxTopicsPerPage}]]`);
        }

        const languageCodes = await languages.listCodes();
        if (data.userLang && !languageCodes.includes(data.userLang)) {
            throw new Error('[[error:invalid-language]]');
        }
        if (data.acpLang && !languageCodes.includes(data.acpLang)) {
            throw new Error('[[error:invalid-language]]');
        }
        data.userLang = data.userLang || meta.config.defaultLang;

        plugins.hooks.fire('action:user.saveSettings', { uid: uid, settings: data });

        const settings = {
            showemail: data.showemail,
            showfullname: data.showfullname,
            openOutgoingLinksInNewTab: data.openOutgoingLinksInNewTab,
            dailyDigestFreq: data.dailyDigestFreq || 'off',
            usePagination: data.usePagination,
            topicsPerPage: Math.min(data.topicsPerPage, parseInt(maxTopicsPerPage, 10) || 20),
            postsPerPage: Math.min(data.postsPerPage, parseInt(maxPostsPerPage, 10) || 20),
            userLang: data.userLang || meta.config.defaultLang,
            acpLang: data.acpLang || meta.config.defaultLang,
            followTopicsOnCreate: data.followTopicsOnCreate,
            followTopicsOnReply: data.followTopicsOnReply,
            restrictChat: data.restrictChat,
            topicSearchEnabled: data.topicSearchEnabled,
            updateUrlWithPostIndex: data.updateUrlWithPostIndex,
            homePageRoute: ((data.homePageRoute === 'custom' ? data.homePageCustom : data.homePageRoute) || '').replace(/^\//, ''),
            scrollToMyPost: data.scrollToMyPost,
            upvoteNotifFreq: data.upvoteNotifFreq,
            bootswatchSkin: data.bootswatchSkin,
            categoryWatchState: data.categoryWatchState,
            categoryTopicSort: data.categoryTopicSort,
            topicPostSort: data.topicPostSort,
        };
        const notificationTypes = await notifications.getAllNotificationTypes();
        notificationTypes.forEach((notificationType) => {
            if (data[notificationType]) {
                settings[notificationType] = data[notificationType];
            }
        });
        const result = await plugins.hooks.fire('filter:user.saveSettings', { uid: uid, settings: settings, data: data });
        await db.setObject(`user:${uid}:settings`, result.settings);
        await User.updateDigestSetting(uid, data.dailyDigestFreq);
        return await User.getSettings(uid);
    };

    User.updateDigestSetting = async function (uid, dailyDigestFreq) {
        await db.sortedSetsRemove(['digest:day:uids', 'digest:week:uids', 'digest:month:uids'], uid);
        if (['day', 'week', 'biweek', 'month'].includes(dailyDigestFreq)) {
            await db.sortedSetAdd(`digest:${dailyDigestFreq}:uids`, Date.now(), uid);
        }
    };

    User.setSetting = async function (uid, key, value) {
        if (parseInt(uid, 10) <= 0) {
            return;
        }

        await db.setObjectField(`user:${uid}:settings`, key, value);
    };
};