93 lines
2.6 KiB
JavaScript

"use strict";
const repository = require("../repository");
const utils = require('../utils');
async function exportToOpml(taskContext, branch, version, res) {
if (!['1.0', '2.0'].includes(version)) {
throw new Error("Unrecognized OPML version " + version);
}
const opmlVersion = parseInt(version);
const note = await branch.getNote();
async function exportNoteInner(branchId) {
const branch = await repository.getBranch(branchId);
const note = await branch.getNote();
if (await note.hasOwnedLabel('excludeFromExport')) {
return;
}
const title = (branch.prefix ? (branch.prefix + ' - ') : '') + note.title;
if (opmlVersion === 1) {
const preparedTitle = escapeXmlAttribute(title);
const preparedContent = note.isStringNote() ? prepareText(await note.getContent()) : '';
res.write(`<outline title="${preparedTitle}" text="${preparedContent}">\n`);
}
else if (opmlVersion === 2) {
const preparedTitle = escapeXmlAttribute(title);
const preparedContent = note.isStringNote() ? escapeXmlAttribute(await note.getContent()) : '';
res.write(`<outline text="${preparedTitle}" _note="${preparedContent}">\n`);
}
else {
throw new Error("Unrecognized OPML version " + opmlVersion);
}
taskContext.increaseProgressCount();
for (const child of await note.getChildBranches()) {
await exportNoteInner(child.branchId);
}
res.write('</outline>');
}
const filename = (branch.prefix ? (branch.prefix + ' - ') : '') + note.title + ".opml";
res.setHeader('Content-Disposition', utils.getContentDisposition(filename));
res.setHeader('Content-Type', 'text/x-opml');
res.write(`<?xml version="1.0" encoding="UTF-8"?>
<opml version="${version}">
<head>
<title>Trilium export</title>
</head>
<body>`);
await exportNoteInner(branch.branchId);
res.write(`</body>
</opml>`);
res.end();
taskContext.taskSucceeded();
}
function prepareText(text) {
const newLines = text.replace(/(<p[^>]*>|<br\s*\/?>)/g, '\n')
.replace(/&nbsp;/g, ' '); // nbsp isn't in XML standard (only HTML)
const stripped = utils.stripTags(newLines);
const escaped = escapeXmlAttribute(stripped);
return escaped.replace(/\n/g, '&#10;');
}
function escapeXmlAttribute(text) {
return text.replace(/&/g, '&amp;')
.replace(/</g, '&lt;')
.replace(/>/g, '&gt;')
.replace(/"/g, '&quot;')
.replace(/'/g, '&apos;');
}
module.exports = {
exportToOpml
};