NodeBB/NodeBB

'use strict';


const nconf = require('nconf');
const meta = require('./meta');

const relative_path = nconf.get('relative_path');

const coverPhoto = module.exports;

coverPhoto.getDefaultGroupCover = function (groupName) {
    return getCover('groups', groupName);
};

coverPhoto.getDefaultProfileCover = function (uid) {
    return getCover('profile', parseInt(uid, 10));
};

function getCover(type, id) {
    const defaultCover = `${relative_path}/assets/images/cover-default.png`;
    if (meta.config[`${type}:defaultCovers`]) {
        const covers = String(meta.config[`${type}:defaultCovers`]).trim().split(/[\s,]+/g);
        let coverPhoto = defaultCover;
        if (!covers.length) {
            return coverPhoto;
        }

        if (typeof id === 'string') {
            id = (id.charCodeAt(0) + id.charCodeAt(1)) % covers.length;
        } else {
            id %= covers.length;
        }
        if (covers[id]) {
            coverPhoto = covers[id].startsWith('http') ? covers[id] : (relative_path + covers[id]);
        }
        return coverPhoto;
    }

    return defaultCover;
}