88 lines
2.8 KiB
JavaScript
88 lines
2.8 KiB
JavaScript
/*
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* Copyright (C) 2020 Luciano Iam <lucianito@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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(() => {
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const INDEX_RESOURCE = 'index.json';
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async function fetchIndex (url) {
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const response = await fetch(url);
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if (response.status == 200) {
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return await response.json();
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} else {
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throw new Error(`HTTP response status ${response.status}`);
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}
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}
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function buildItem (groupPath, surface) {
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const li = document.createElement('li');
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li.innerHTML = `<li>
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<a href="${groupPath}/${surface.path}/">${surface.name}</a>
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<p>${surface.description}</p>
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</li>`;
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return li;
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}
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function printIndex (index) {
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for (let group of index) {
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const path = group['path'];
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const span = document.querySelector(`#${path} span`);
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span.innerHTML = group['diskPath'];
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let surfaces = group.surfaces;
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if (surfaces.length > 0) {
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const ul = document.querySelector(`#${path} > ul`);
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surfaces.sort((a, b) => a.name.localeCompare(b.name));
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for (surface of surfaces) {
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ul.appendChild(buildItem(path, surface));
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}
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} else {
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const p = document.createElement('p');
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p.innerHTML = '<p>No surfaces found</p>';
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document.getElementById(path).appendChild(p);
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}
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}
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document.getElementById('index').style.display = 'inline';
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}
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function printError (message) {
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const error = document.getElementById('error');
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error.innerHTML = message;
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error.style.display = 'inline';
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}
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async function main () {
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try {
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const indexUrl = `${location.protocol}//${location.host}/${INDEX_RESOURCE}`;
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const index = await fetchIndex (indexUrl);
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printIndex(index);
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} catch (err) {
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printError(`Error loading ${INDEX_RESOURCE}: ${err.message}`);
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}
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document.getElementById('loading').style.display = 'none';
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}
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main();
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})();
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